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ALLURION TECHNOLOGIES, INC.

For the period ended Dec 31, 2024. Filed Mar 27, 2025.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2024 · Filed Mar 27, 2025

ALUR$0.67-5.6%Stored close · as of Mar 6, 2026

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Contents

Notes to Consolidated Financial Statements

NOTES TO THE CONSOLID ATED FINANCIAL STATEMENTS

(dollars in thousands, except per share amounts)

  1. Organization and Basis of Presentation

Organization

Allurion Technologies, Inc. (“Allurion” or the “Company”) is a vertically integrated medical device company that is developing, manufacturing, and commercializing innovative weight loss experiences centered around its Allurion™ Balloon. The Allurion Balloon is the world’s first and only swallowable, Procedureless™ intragastric balloon for weight loss that does not require surgery, endoscopy, or anesthesia for placement. Allurion sells the Allurion Balloon and connected scale through distributors or directly to health care providers.

The Company also offers tiered access to artificial intelligence ("AI")-powered remote patient monitoring tools, a mobile app for patients and a clinic dashboard for providers, referred to as the Allurion Virtual Care Suite (“VCS”) and, collectively with the Allurion Balloon, referred to as the “Allurion Program”. The base tier of the VCS is free of charge to those purchasing the Allurion Balloon, as well as customers looking for a weight-loss management platform for patients utilizing other weight loss treatments, including anti-obesity medications and bariatric surgery. More full-scale versions of the VCS are available to health care providers on an upgrade basis. Allurion currently markets the Allurion Program in over 50 countries, and the Company operates subsidiaries in the United States, France, the United Arab Emirates, the United Kingdom, Italy, Spain, Australia and Mexico.

Business Combination Agreement

On February 9, 2023, Allurion Technologies Opco, Inc. (formerly Allurion Technologies, Inc., “Legacy Allurion”) and Allurion Technologies, Inc. (formerly Allurion Technologies Holdings, Inc.) entered into the Business Combination Agreement (as subsequently amended on May 2, 2023, the “Business Combination Agreement”) with Compute Health Acquisition Corp. (“CPUH” or "Compute Health"), Compute Health Corp. (“Merger Sub I”) and Compute Health LLC (“Merger Sub II” and, together with Merger Sub I, the “Merger Subs”). Pursuant to the Business Combination Agreement, on August 1, 2023 (the “Closing Date”), the Mergers (as defined below) were consummated in three steps: (a) Compute Health merged with and into Allurion (the “CPUH Merger”), with Allurion surviving the CPUH Merger as a publicly listed entity (the time at which the CPUH Merger became effective, the “CPUH Merger Effective Time”) and becoming the sole owner of the Merger Subs; (b) three hours following the consummation of the CPUH Merger, Merger Sub I merged with and into Legacy Allurion (the “Intermediate Merger” and the time at which the Intermediate Merger became effective, the “Intermediate Merger Effective Time”), with Legacy Allurion surviving the Intermediate Merger and becoming a direct, wholly-owned subsidiary of Allurion; and (c) thereafter, Legacy Allurion merged with and into Merger Sub II (the “Final Merger” and, collectively with the CPUH Merger and the Intermediate Merger, the “Mergers”, and together with all other transactions contemplated by the Business Combination Agreement, the “Business Combination”), with Merger Sub II surviving the Final Merger and remaining a direct, wholly-owned subsidiary of Allurion (the time at which the Final Merger became effective, the “Final Merger Effective Time”). Shares of Allurion's Common Stock (defined below) began trading on the New York Stock Exchange ("NYSE") under the ticker symbol “ALUR” on August 2, 2023. Upon completion of the Business Combination, Legacy Allurion's business operations continued as our business operations.

The Business Combination was accounted for as a reverse capitalization in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). Under this method of accounting, Compute Health was treated as the “acquired” company for financial reporting purposes and Legacy Allurion was the accounting “acquirer”. Accordingly, the Business Combination was treated as the equivalent of Legacy Allurion issuing stock for the net assets of Compute Health, accompanied by a recapitalization. As a result of the reverse recapitalization, the assets and liabilities of the Company are presented at their historical carrying values, and the assets and liabilities of Compute Health are recognized on the acquisition date and measured on the basis of the net proceeds from the capital transaction, with no goodwill or other intangible assets recorded. This determination is primarily based on the fact that, immediately following the Business Combination, Legacy Allurion stockholders had a majority of the voting power of Allurion, Legacy Allurion controlled the majority of the board seats of Allurion, and Legacy Allurion senior management comprised all of the senior management of Allurion. The equity structure has been restated in all comparative periods up to the Closing Date to reflect the number of shares of the Company's common stock, $0.0001 par value per share ("Common Stock," “Allurion Common Stock” or the “Company’s Common Stock”), issued to Legacy Allurion stockholders in connection with the Business Combination. As such, the shares and corresponding capital amounts and earnings per share related to Legacy Allurion's convertible preferred stock and Legacy Allurion common stock prior to the Business Combination have been retroactively restated as shares reflecting the exchange ratio of approximately 0.9780 (the "Exchange Ratio") established in the Business Combination. The Exchange Ratio established in the Business Combination is prior to the Reverse Stock Split (as defined below) and did not change as a result of the Reverse Stock Split. As a result of this retrospective application, certain prior period balances within the consolidated financial statements have changed. Refer to Note 3, Business Combination for further discussion regarding the closing of the Business Combination with Compute Health.

Unless otherwise indicated, references in this Annual Report on Form 10-K to the "Company", "our", and "Allurion" refer to the consolidated operations of Allurion Technologies, Inc. and its subsidiaries. References to CPUH and Compute Health refer to Compute Health Acquisition Corp. and its subsidiaries prior to the consummation of the Business Combination and references to "Legacy Allurion" refer to Allurion Technologies, Inc. prior to the consummation of the Business Combination.

Basis of Presentation

The accompanying consolidated financial statements are prepared in conformity with accounting principles generally accepted in the United States of America (“US GAAP”) and the rules and regulations of the Securities and Exchange Commission (“SEC”). Any reference in these notes to the applicable accounting guidance is meant to refer to the authoritative U.S. GAAP as found in the Accounting Standards Codification ("ASC"), and Accounting Standards Update ("ASU"), of the Financial Accounting Standards Board ("FASB").

The consolidated financial statements include Allurion; and its consolidated subsidiaries, Allurion France SAS, and Allurion Middle East, LLC, which were both incorporated in 2017; Allurion UK Ltd., which was incorporated in 2021; Allurion Italy, Srl, Allurion Spain, Srl, Allurion Australia Pty Ltd. and Allurion Mexico S. de R.L de C.V, which were incorporated in 2022; and Allurion Technologies, LLC, which was incorporated in 2023. The Company’s operations are located in Europe, the Middle East, Africa, Latin America, Canada and the Asia-Pacific region, and it operates in one business segment.

Our foreign operations are subject to exchange rate fluctuations and foreign currency transaction costs. The functional currency for all of our foreign subsidiaries is the United States dollar except Allurion Australia Pty Ltd., which uses the Australian dollar. When remeasuring from a local currency to the functional currency, assets and liabilities are remeasured into U.S. dollars at exchange rates in effect at the balance sheet dates and results of operations transacted in local currency are remeasured into U.S. dollars using average exchange rates for the period presented. Gains (losses) from remeasurement of ($0.7) million and $0.1 million for the years ended December 31, 2024 and 2023, respectively, are recorded in the statements of operations and comprehensive loss within other expense, net. The Company translates the foreign functional currency financial statements to U.S. dollars for Allurion Australia Pty Ltd. using the exchange rates at the balance sheet date for assets and liabilities, the period average exchange rates for revenues and expenses, and the historical exchange rates for equity transactions. The effects of foreign currency translation adjustments were immaterial for the years ended December 31, 2024 and 2023.

Reverse Stock Split

The Company held its annual meeting of stockholders on December 16, 2024 (the “Annual Meeting”), and upon the recommendation of the Board of Directors (the “Board”) of the Company, the Company’s stockholders approved a certificate of amendment (the “Charter Amendment”) to the Company’s Amended and Restated Certificate of Incorporation to effect a reverse stock split of the Company’s common stock, par value $0.0001 per share (the “Common Stock”), at aratio between 1-for-10 and 1-for-25, with the final ratio to be determined by the Board in its sole discretion.

On December 23, 2024, following the Annual Meeting, the Board approved a reverse stock split of the Common Stock at a ratio of 1-for-25 (the “Reverse Stock Split”). Effective as of 12:01 a.m. Eastern Time on January 3, 2025, the Company filed an amendment (the “Certificate of Amendment”) to its Amended and Restated Certificate of Incorporation, as amended and/or restated from time to time, to effectuate the Reverse Stock Split.

As a result of the Reverse Stock Split, every 25 shares of the Company’s Common Stock issued or outstanding were automatically reclassified into one validly issued, fully-paid and non-assessable new share of Common Stock, subject to the treatment of fractional shares as described below, without any action on the part of the holders. Trading of the Common Stock on the NYSE commenced on a split-adjusted basis at market open on January 3, 2025, under the existing trading symbol “ALUR.”

No fractional shares were issued in connection with the Reverse Stock Split. Stockholders who would otherwise be entitled to receive fractional shares as a result of the Reverse Stock Split were automatically entitled to receive an additional fraction of a share of Common Stock to round up to the next whole share.

Proportional adjustments were also made to the number of shares of Common Stock awarded and available for issuance under the Company’s equity incentive plans, as well as the exercise price and the number of shares issuable upon the exercise or conversion of the Company’s outstanding stock options, restricted stock units and other equity securities under the Company’s equity incentive plans. Additionally, all outstanding convertible notes were adjusted in accordance with their terms, which will, among other changes to the convertible note terms, result in proportionate adjustments being made to the number of shares issuable upon exercise of such convertible notes and to the exercise and redemption prices of such convertible notes. All outstanding warrants were also adjusted in accordance with their terms, which will, among other changes to the warrant terms, result in proportionate adjustments being made to the number of shares issuable upon exercise of such warrants and to the exercise and redemption prices of such warrants. Specifically, following the effectiveness of the reverse stock split, every twenty five (25) shares of Common Stock that may be purchased pursuant to the exercise of public warrants will represent one (1) share of Common Stock that may be purchased pursuant to such warrants. Accordingly, for the Company’s warrants trading under the symbol “ALUR WS” on the NYSE, each whole public warrant will be exercisable for 0.056818 shares of common stock at an exercise price of $202.50 pershare of Common Stock, which is based on each public warrant being exercisable for 1.420455 shares of common stock before thereverse stock split, adjusted for the 25:1 reverse stock split ratio.

Unless otherwise indicated, all authorized, issued, and outstanding shares and per share amounts contained in the accompanying consolidated financial statements have been adjusted to reflect the 1-for-25 Reverse Stock Split for all periods presented. As a result, net loss per share was also retrospectively adjusted for periods ended prior to the Reverse Stock Split. Proportionate adjustments for the Reverse Stock Split were also made to the exercise prices and number of shares issuable under the Company's equity incentive plans, and the number of shares underlying outstanding equity awards, as applicable.

Going Concern

The Company has evaluated whether there are certain events, considered in the aggregate, that raise substantial doubt about the Company’s ability to continue as a going concern within one year after the date that the consolidated financial statements are issued.

The Company has incurred recurring losses since inception, anticipates net losses and negative operating cash flows for the near future, and may be unable to remain in compliance with certain financial covenants required under its credit facilities. Through December 31, 2024, the Company has funded its operations primarily with proceeds from the sale of its Common Stock, convertible preferred stock, issuance of convertible notes, issuance of term loans, and funds received upon consummation of the Business Combination. The Company has incurred recurring losses and cash outflows from operating activities since its inception, including losses from operations of $50.2 million and $79.1 million and cash outflows from operating activities of $42.3 million and $64.0 million for years ended December 31, 2024 and 2023, respectively. As of December 31, 2024, the Company had an accumulated deficit of $238.9 million. The Company expects to continue to generate operating losses for the foreseeable future.

Until such time as we can generate sufficient revenue to fund operations, we expect to use proceeds from the issuance of equity, debt financings, or other capital transactions to fund our operations and satisfy our liquidity requirements, but the amount and timing of such financings are uncertain. Based on the Company's recurring losses from operations incurred since inception, its expectation of continuing operating losses for the foreseeable future, the potential need to raise additional capital to finance its future operations, and the potential of being unable to remain in compliance with certain financial covenants under its credit facilities, the Company has concluded that there is substantial doubt about its ability to continue as a going concern for a period of one year from the date that these consolidated financial statements are issued. The accompanying consolidated financial statements have been prepared assuming that the Company will continue as a going concern, which contemplates the realization of assets and the settlement of liabilities and commitments in the normal course of business.

Summary of Significant Accounting Policies

Use of Estimates

The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements, and the reported amounts of revenues and expenses during the reporting period. Management considers many factors in selecting appropriate financial accounting policies and controls in developing the estimates and assumptions that are used in the preparation of these consolidated financial statements. Management must apply significant judgment in this process. In addition, other factors may affect estimates, including expected business and operational changes, sensitivity and volatility associated with the assumptions used in developing estimates, and whether historical trends are expected to be representative of future trends. The estimation process often may yield a range of reasonable estimates of the ultimate future outcomes, and management must select an amount that falls within that range of reasonable estimates. Actual results could differ from those estimates.

Reclassification of Prior Year Presentation

Certain prior year amounts have been reclassified for consistency with the current year presentation. These reclassifications had no effect on the reported results of operations. Adjustment has been made to the consolidated balance sheet as of December 31, 2023, to present the Legacy Allurion common stock warrant liabilities as part of the Warrant liabilities line item. These amounts were part of the Other liabilities line item in prior years.

Risk of Concentration of Credit, Significant Customers and Significant Suppliers

Financial instruments that potentially expose the Company to concentrations of credit risk consist primarily of cash equivalents and accounts receivable, net. The Company maintains deposits in accredited financial institutions in excess of federally insured limits. The Company maintains its cash, cash equivalents and restricted cash with financial institutions that management believes to be of high credit quality. The Company has not experienced any losses on such accounts and does not believe it is exposed to any unusual credit risk beyond the normal credit risk associated with commercial banking relationships.

Significant customers are those which represent more than 10% of the Company’s total revenue for the years ended December 31, 2024 and 2023 or accounts receivable, net balance as of December 31, 2024 and 2023. The following table presents customers that represent 10% or more of the Company’s total revenue and accounts receivable, net:

Revenue · Accounts Receivable
Years Ended December 31December 31,
2024202320242023
Customer AN/A10%14%16%

The Company relies on third parties for the supply of parts and components for its products as well as third-party logistics providers. In instances where these parties fail to perform their obligations, the Company may be unable to find alternative suppliers of parts and components to satisfactorily deliver its products to its customers on time, if at all, which could have a material adverse effect on the Company’s operating results, financial condition and cash flows and damage its customer relationships.

Leases

Effective January 1, 2022, the Company adopted ASC 842, Leases (“ASC 842"). At the inception of an arrangement, the Company determines whether the arrangement is or contains a lease. A contract is or contains a lease if the contract conveys the right to control the use of an identified asset for a period of time in exchange for consideration. At the lease commencement date, when control of the underlying asset is transferred from the lessor to the Company, the Company classifies a lease as either an operating or finance lease and recognizes a right-of-use (“ROU”) asset and a current and non-current lease liability as applicable, in the consolidated balance sheets if the lease has a term greater than one year. As permitted under ASC 842, the Company has made an accounting policy election, for all classes of underlying assets, to not recognize ROU assets and lease liabilities for leases having an original term of twelve months or less. When it determines the appropriate classification and accounting for a lease arrangement, the Company typically only considers the committed lease term. Options to extend a lease are not included in the Company’s assessment unless there is reasonable certainty that the Company will either renew or not cancel the lease.

At the lease commencement date, operating lease liabilities and their corresponding ROU assets are recorded at the present value of future lease payments over the expected remaining lease term using the discount rate implicit in the lease, if it is readily determinable, or the Company’s incremental borrowing rate. The Company’s incremental borrowing rate reflects the fixed rate at which the Company could borrow the amount of the lease payments in the same currency on a collateralized basis, for a similar term in a similar economic environment. Lease cost for operating leases is recognized on a straight-line basis over the lease term as an operating expense. In addition, certain adjustments to the ROU asset may be required for items such as lease prepayments, incentives received or initial direct costs.

The Company enters into contracts that contain both lease and non-lease components. Non-lease components include costs that do not provide a right to use a leased asset but instead provide a service, such as maintenance costs. Variable costs associated with the lease, such as maintenance and utilities, are not included in the measurement of right-of-use assets and lease liabilities but rather are expensed when the events determining the amount of variable consideration to be paid have occurred.

Cash and Cash Equivalents and Restricted Cash

Cash consists of amounts held in bank savings and checking accounts. Cash equivalents include all highly liquid investments maturing within 90 days from the date of purchase. Cash equivalents consist of money market funds. The Company’s restricted cash consists of cash that the Company is contractually obligated to maintain and deposits of cash collateral held in accordance with the terms of various corporate credit cards. Restricted cash is included within other long-term assets on the consolidated balance sheets. A reconciliation of the amounts of cash and cash equivalents and restricted cash in the consolidated balance sheets to the amount in the consolidated statements of cash flows is as follows (in thousands):

December 31,
20242023
Cash and cash equivalents$15,379$38,037
Restricted cash included in other long-term assets339384
Cash and cash equivalents and restricted cash shown in the statement of cash flows$15,718$38,421

Segment Reporting

The Company operates in a single operating and reportable segment. Operating segments are defined as components of an enterprise for which discrete financial information is available and is regularly reviewed by the chief operating decision maker (“CODM”) in order to make decisions regarding resource allocation and performance assessment. The Company has determined that its CODM is its Chief Executive Officer. The Company’s CODM reviews financial information presented on a regular basis at the consolidated level for purposes of allocating resources and evaluating financial performance. Since the Company operates as one operating segment, all required financial segment information can be found in the consolidated financial statements.

The Company’s products include the Allurion Balloon and related accessories. See Note 17, Segment Information and Note 4, Revenue, below for financial information about the Company's significant segment expenses and sales in geographic areas, respectively.

Fair Value Measurements

Fair value is defined as the exchange price that would be received for an asset or an exit price that would be paid to transfer a liability in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The carrying value of the Company’s financial instruments such as cash and cash equivalents, accounts payable, and accrued expenses approximate their fair values due to their short-term maturity. The Company’s assets and liabilities recorded at fair value have been categorized based upon a fair value hierarchy, which is distinguished between observable and unobservable inputs in accordance with authoritative accounting guidance:

Level 1 inputs: Observable inputs such as unadjusted, quoted prices in active markets for identical assets or liabilities at the measurement date

Level 2 inputs: Other than quoted prices included in Level 1, inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the asset or liability

Level 3 inputs: Unobservable inputs for the asset or liability used to measure fair value to the extent that the observable inputs are not available, thereby allowing for situations in which there is little, if any, market activity for the asset.

Inventories

Inventories, which include the costs of material, labor, and overhead, are stated at the lower of cost or net realizable value, with cost generally computed using the first-in, first out method. Estimated losses from obsolete and slow-moving inventories are recorded to reduce inventory values to their estimated net realizable value and are charged to cost of sales. At the point of loss recognition, a new cost basis for that inventory is established, and subsequent changes in facts and circumstances do not result in a recovery in carrying value.

Property and Equipment

Property and equipment include computers, laboratory equipment, machinery, and leasehold improvements. Property and equipment are recorded at cost less accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful lives of the related assets, except for leasehold improvements, which are depreciated on a straight-line basis over the shorter of the estimated life or the lease term. Expenditures for repairs and maintenance are expensed as incurred.

Capitalized Internal-Use Software

Software development costs consist of certain consulting costs and compensation expenses for employees who devote time to the development projects of our internal-use software, as well as certain upgrades and enhancements that are expected to result in enhanced functionality. The Company amortizes these development costs over the estimated useful life, which is determined based on our best estimate of the useful life of the internal-use software after considering factors such as continuous developments in the technology, obsolescence, and anticipated life of the service offering before significant upgrades. Management evaluates the useful lives of these assets and tests for impairment whenever events or changes in circumstances occur that could impact the recoverability of these assets.

The Company determined the amount of internal software costs to be capitalized based on the amount of time spent by our developers on projects in the application stage of development. There is judgment in estimating the time allocated to a particular project in the application stage. A significant change in the time spent on each project could have a material impact on the amount capitalized and related amortization expense in subsequent periods. As of December 31, 2024 and 2023, capitalized internal-use software was immaterial.

Impairment of Long-Lived Assets

The Company evaluates its long-lived assets, which consist primarily of property and equipment, for impairment whenever events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to the future undiscounted net cash flows expected to be generated by the asset. If such assets are considered to be impaired, the impairment to be recognized is measured by the amount by which the carrying amount of the asset exceeds the fair value of the asset. To date, no impairments have occurred.

Debt Issuance Costs

The Company defers costs directly associated with acquiring third-party financing. Fees incurred to issue debt are generally deferred and amortized as a component of interest expense over the estimated term of the related debt using the effective interest rate method. Fees incurred in connection with a modification are deferred and amortized as a component of interest expense over the remaining life of the loan if due to the creditor. Third-party fees incurred in connection with a modification are expensed as incurred. Issuance costs and third-party fees incurred in connection with debt that is accounted for under the fair value options ("FVO") are expensed as incurred.

Deferred Offering Costs

Deferred offering costs include certain legal, accounting, consulting and other third-party fees incurred directly related to the Business Combination. The Company deferred offering costs classified as a long-term asset until the closing or termination of the transaction. At the closing of the Business Combination, these costs were recorded in stockholders’ deficit as a reduction of additional paid-in capital. Deferred offering costs are included in other long-term assets. As of December 31, 2024 and 2023, there wereno deferred offering costs recorded within other long-term assets on the consolidated balance sheet, respectively.

Warrants

The Company determines the accounting classification of warrants it issues, as either liability or equity classified, by first assessing whether the warrants meet liability classification in accordance with ASC 480-10, Accounting for Certain Financial Instruments with Characteristics of both Liabilities and Equity (“ASC 480-10”), then in accordance with ASC 815-40, Accounting for Derivative Financial Instruments Indexed to, and Potentially Settled in, a Company’s Own Stock (“ASC 815-40”). Under ASC 480-10, warrants are considered liability classified if the warrants are mandatorily redeemable, obligate the Company to settle the warrants or the underlying shares by paying cash or other assets, or are warrants that must or may require settlement by issuing a variable number of shares. If warrants do not meet liability classification under ASC 480-10, the Company assesses the requirements under ASC 815-40, which states that contracts that require or may require the issuer to settle the contract for cash are liabilities recorded at fair value, irrespective of the likelihood of the transaction occurring that triggers the net cash settlement feature. If the warrants do not require liability classification under ASC 815-40, and in order to conclude equity classification, the Company also assesses whether the warrants are indexed to its common stock and whether the warrants are classified as equity under ASC 815-40 or other applicable GAAP. After all relevant assessments, the Company concludes whether the warrants are classified as liability or equity. Liability classified warrants require fair value accounting at issuance and subsequent to initial issuance, with all changes in fair value after the issuance date recorded in the consolidated statements of operations. Equity classified warrants only require fair value accounting at issuance with no changes recognized subsequent to the issuance date.

Derivative Liabilities

The Company evaluates its convertible instruments and other contracts, including warrants, to determine if those contracts or embedded components of those contracts are required to be accounted for as derivatives, either in whole or in part. If an embedded derivative is bifurcated from a debt host contract, changes in the fair value of the bifurcated derivative are recorded in the accompanying consolidated statements of operations.

The Company accounted for the convertible notes issued between February 2023 and August 2023 (the "2023 Convertible Notes") under the FVO election of ASC Topic 825, Financial Instruments (“ASC 825”). The convertible notes accounted for under the FVO election were each debt host financial instruments containing embedded features wherein the entire financial instrument was initially measured at its issue-date estimated fair value and then subsequently remeasured at estimated fair value on a recurring basis at each reporting period date. Changes in the estimated fair value of the convertible notes were recorded as a component of Other (expense) income in the consolidated statements of operations. As a result of electing the FVO, direct costs and fees related to the 2023 Convertible Notes were expensed as incurred. The convertible notes issued in 2020, 2021 and 2022 are accounted for as disclosed in Note 8, Debt. In connection with the closing of the Business Combination on August 1, 2023, a portion of the 2023 convertible notes was repaid, with the remaining balance converted to shares of our Common Stock.

Earn-Out Liabilities

In connection with the Business Combination, certain holders of Legacy Allurion common stock and Legacy Allurion preferred stock and holders of vested options, warrants and restricted stock units exercisable or convertible into Legacy Allurion capital stock received the contingent right to receive up to 360,000 additional shares of Allurion Common Stock (the “Earn-Out Shares”) upon the achievement of certain earn-out targets. The contingent earn-out consideration contains a settlement provision that in the event of a change in control, the number of Earn-Out Shares issued may vary. This settlement provision precludes the earn-out liability from being indexed to the Company's Common Stock as a change in control event is not an input into the pricing of a fixed-for-fixed forward or option on equity shares. As such, it is classified as a liability under ASC 480, Distinguishing Liabilities from Equity ("ASC 480").

The fair value of the earn-out consideration is remeasured on a quarterly basis over the earn-out period with changes in the estimated fair value of the contingent earn-out consideration recorded in Other (expense) income in the consolidated statements of operations, and are reflected in the period in which they are identified. Changes in the estimated fair value of the contingent earn-out consideration may materially impact or cause volatility in our operating results.

Revenue Interest Financing and PIPE Conversion Option

In connection with the Business Combination, the Company entered into a revenue interest financing agreement, dated as of February 9, 2023 (the "Revenue Interest Financing Agreement") with certain entities that have engaged RTW Investments, LP as investment manager (collectively, “RTW”), under which the Company received $40.0 million upfront (the "Revenue Interest Financing"). In exchange, the Company is obligated to remit to RTW certain revenue interest payments on all current and future products, digital solutions and services developed, imported, manufactured, marketed, offered for sale, promoted, sold, tested or otherwise distributed by Allurion and its subsidiaries at a rate up to 6.0% of annual net sales prior to December 31, 2026. On or after January 1, 2027, the Company will remit revenue interest payments at a rate up to 10.0% of annual net sales, and it will continue to make revenue interest payments to RTW until December 31, 2030. Concurrently, and in connection with the Amended Note Purchase Agreement (as defined below), the Revenue Interest Financing Agreement was amended pursuant to the Omnibus Amendment (the "RIFA Amendment") by and among the Company, Allurion Opco, Allurion Australia Pty Ltd, a proprietary limited company organized under the laws of Australia and a wholly-owned subsidiary of the Company, the Original RIFA Investors (as defined therein) and RTW, on April 14, 2024. The RIFA Amendment, among other things, increased the rate of interest payments for net sales less than or equal to $100 million prior to December 31, 2026 from 6% to 12% and increased the rate on net sales in less than or equal to $100 million on or after January 1, 2027 from 10% to 12%. Additionally, the Prepayment Amount was modified such that, prior to March 31, 2026, the Company is entitled to settle the Revenue Interest Financing for a prepayment amount that would allow the investors to yield a 20% internal rate of return.

The Company accounts for the Revenue Interest Financing Agreement under the fair value option election of ASC 825. The Revenue Interest Financing Agreement accounted for under the FVO election is a debt host financial instrument that contains embedded features. The embedded features include requirements to settle the Revenue Interest Financing prior to maturity upon the occurrence of certain contingent events, a change in royalty rates upon the occurrence of certain contingent events, and the Company's ability to prepay the Revenue Interest Financing. As the Company has elected the FVO, these embedded features would not meet the criteria for bifurcation and separate accounting as the entire financial instrument is initially measured at its issue-date estimated fair value and then subsequently remeasured at estimated fair value on a recurring basis on each reporting period date. Changes in the estimated fair value of the Revenue Interest Financing Agreement are recorded as a component of Other (expense) income in the consolidated statements of operations. A portion of the estimated change in fair value must be reported in other comprehensive loss to the extent that it is attributable to instrument-specific credit risk. As a result of electing the FVO, direct costs and fees related to the Revenue Interest Financing are expensed as incurred.

In connection with the Company entering in the Revenue Interest Financing, the Company and RTW entered into the RTW side letter, as subsequently amended and restated on May 2, 2023 (the "Amended and Restated RTW Side Letter") under which RTW may elect to convert up to $7.5 million of its initial PIPE (as defined in Note 3, Business Combination below) subscription into an additional revenue interest financing by forfeiting a number of shares of Allurion Common Stock acquired by the PIPE subscription (the "PIPE Conversion Option"). The Company accounts for the PIPE Conversion Option as a freestanding financial instrument that qualifies for derivative liability accounting in accordance with ASC 815, Derivatives and Hedging ("ASC 815"). The PIPE Conversion Option is initially measured at its fair value within Other liabilities on the consolidated balance sheets with corresponding recognition of expense at inception as there is no right received by the Company that meets the definition of an asset and the transaction did not involve a distribution or a dividend. Subsequent changes in fair value of the derivative liability are recognized as a gain or loss as a component of Other (expense) income in the consolidated statements of operations.

On October 22, 2024, funds affiliated with RTW provided notice to the Company of their election under the Amended and Restated RTW Side Letter, to surrender 30,000 shares of Common Stock of the Company representing $7.5 million in consideration for an additional Revenue Interest Financing Agreement. Accordingly, on October 30, 2024, the Company and the funds affiliated with RTW entered into the additional Revenue Interest Financing Agreement (the “New RIFA”). The New RIFA has substantially identical terms and conditions as the RIFA Amendment, except that the amount of financing provided under the New RIFA is equal to the conversion amount of $7.5 million. The Company accounts for the New RIFA under the fair value option elections of ASC 825.

The Company accounted for the RTW Convertible Notes (defined below) under the FVO election of ASC 825. The RTW Convertible Notes accounted for under the FVO election was a debt host financial instrument containing embedded features wherein the entire financial instrument was initially measured at its issue-date estimated fair value and then subsequently remeasured at estimated fair value on a recurring basis at each reporting period date. Changes in the estimated fair value of the RTW Convertible Notes were recorded as a component of Other income (expense) in the consolidated statements of operations. A portion of the estimated change in fair value must be reported in other comprehensive loss to the extent that it is attributable to instrument-specific credit risk. As a result of electing the FVO, direct costs and fees related to the RTW Convertible Notes were expensed as incurred.

Accounts Receivable

Accounts receivable are unsecured and are carried at net realizable value, including an allowance for doubtful accounts. Trade credit is generally extended on a short-term basis; trade receivables do not bear interest, although a finance charge may be applied to such receivables that are past due. The allowance for doubtful accounts is based on the Company’s assessment of the collectability of customer accounts. The Company regularly reviews the allowance by considering factors that may affect a customer’s ability to pay, such as historical expense, credit quality, the age of the account receivable balances, and current economic conditions. Amounts determined to be uncollectible are charged or written off against the allowance.

The following table summarizes activity in the allowance for doubtful accounts:

Year Ended December 31,
20242023
Balance at beginning of period$(12,671)$(741)
Provision for uncollectible accounts(1,343)(12,675)
Uncollectible accounts written off7,313745
Balance at end of period$(6,701)$(12,671)

Revenue Recognition

The Company recognizes revenue under ASU No. 2014-09, Revenue from Contracts with Customers (“Topic 606” or “ASC 606”). In general, the Company’s sales contracts fall under its standard sales agreement whereby control transfers to the customer upon shipment, satisfying the performance obligations of the contract.

The Company recognizes revenue when control of its products is transferred to customers at an amount that reflects the consideration it expects to receive in exchange for those products. The Company’s revenue recognition process involves identifying the contract with a customer, determining the performance obligations in the contract, determining the transaction price, allocating the transaction price to the distinct performance obligations in the contract, and recognizing revenue as performance obligations are satisfied. A performance obligation is considered distinct from other obligations in a contract when it provides a benefit to the customer either on its own or together with other resources that are readily available to the customer and is separately identified in the contract. Performance obligations are considered satisfied once the Company has transferred control of a good or service to the customer, meaning that such customer has the ability to use and obtain the benefit of the good or service.

The Company has provided customers purchasing the Allurion Balloon with an implied license for access to its VCS software. This implied software license was given to customers for no additional consideration and was not negotiated as part of the customer’s contracts. Further, the customer contracts and related purchase orders do not include nor specify rights or obligations associated with the VCS software. Based on this assessment, the Company determined the implied license to be immaterial in the context of the contract with customers purchasing the Allurion Balloon, and as such did not allocate any value to the implied VCS license.

The Company generates revenue from sales of its Allurion Balloon to distributors and health care providers. Customers typically purchase the Allurion Balloon, including the gastric balloon and related accessories together, although customers can purchase the gastric balloon and its accessories separately. Therefore, each component of the Allurion Balloon and accessories represents a distinct performance obligation and is separately identifiable. In arrangements with multiple performance obligations, the transaction price is allocated to each performance obligation using the relative standalone selling price. The Company determines standalone selling prices based on the price at which the performance obligation is sold separately. If the standalone selling price is not observable through past transactions, the Company estimates the standalone selling price taking into account internally approved pricing guidelines and market conditions. Revenue is generally recognized upon shipment of the product because at that point, the customer obtains control of the product and has the ability to direct the use and obtain the benefit of the product. Components of the Allurion Balloon are typically shipped to the customer together, resulting in the performance obligations in the contract being satisfied at the same time. Components shipped separately are recognized upon shipment at their relative standalone selling price.

The Company recognizes revenue at the transaction price, which reflects the consideration it believes it is entitled to receive. Transaction price includes estimates of variable consideration for promotions and prompt pay discounts, which are recorded as a reduction of transaction price in the period the related product revenue is recognized. The Company may also make payments to customers for marketing programs. Payments to customers for a distinct good or service that reasonably estimate the fair value of the distinct benefit received, such as marketing programs, are recorded as a marketing expense on the consolidated statement of operations and comprehensive loss. Shipping and logistics costs inclusive of these payments to customers and other costs included in sales and marketing expense for the years ended December 31, 2024 and 2023 were $0.9 million and $3.3 million, respectively.

The Company expenses incremental costs of obtaining a contract, such as sales commissions, when incurred because the amortization period would have been one year or less. These costs are recorded within sales and marketing expenses in the Company’s consolidated statement of operations and comprehensive loss.

The Company has also elected the sales tax practical expedient; therefore, sales and other taxes assessed by a governmental authority that are collected concurrently with revenue-producing activities are excluded from the transaction price.

The Company has also elected the significant financing component practical expedient, which allows management to not assess whether the contract has a significant financing component in circumstances where, at contract inception, the expected contract duration is less than one year.

Product Warranty

The Company does not provide general rights of return of products sold to its customers. However, the Company does provide for rights of exchange to its distributors and end-use customers for products that fail to conform to the Company’s specifications for a limited time following delivery. These performance specifications include that the Allurion Balloon (i) is successfully filled upon initial placement when used according to the instructions for use provided by the Company and/or (ii) remains in the patient’s body for 90 days or more once placed. Customers may exchange product within 30 calendar days if they discover product nonconformities through a reasonable inspection and within 30 calendar days after discovery of any hidden or latent product nonconformities that could not have been discovered by a reasonable inspection.

These instances of nonconformity have been immaterial, and the Company’s management expects instances of nonconformity to be extremely rare.

Research and Development Costs

The Company expenses research and development costs as incurred. Research and development expenses consist of costs associated with performing research and development activities, including salaries and benefits, stock-based compensation, product development costs, materials and supplies, clinical trial activities, depreciation of equipment, and contract and other outside services. Payments for activities that are provided by outside vendors are based upon the terms of the individual arrangements with each vendor. Costs of certain of these activities are expensed based upon an evaluation of the progress to completion of specific tasks and actual costs incurred, using information provided to the Company by its vendors. As payments for these activities may differ from the pattern of costs actually incurred, additional costs are reflected in the consolidated financial statements as prepaid or accrued research and development expenses.

Advertising and Marketing Costs

The Company expenses advertising and marketing costs as incurred. Advertising and marketing expenses are included in sales and marketing operating expenses. Advertising and marketing costs for the years ended December 31, 2024 and 2023 were $4.9 million and $10.8 million, respectively.

Intellectual Property Prosecution Costs

The Company incurs registration and prosecution costs related to its intellectual property. The related costs are expensed as incurred and are classified as a component of general and administrative expenses.

Income Taxes

The Company recognizes deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the Company’s consolidated financial statements and tax returns. Deferred tax assets and liabilities are determined based upon the differences between the financial statement carrying amounts and the tax bases of existing assets and liabilities and for net operating loss and tax credit carryforwards, using enacted tax rates expected to be in effect in the year in which the differences are expected to reverse. Deferred tax assets are reduced by a valuation allowance if it is more likely than not that these assets may not be realized.

The Company determines whether a tax position will be sustained upon examination. If it is not more likely than not that a position will be sustained, none of the benefit attributable to the position is recognized. The tax benefit to be recognized for any tax position that meets the more likely than not recognition threshold is calculated as the largest amount that is more than 50% likely of being realized upon resolution of the contingency. The Company accounts for interest and penalties related to uncertain tax positions as part of its provision for income taxes. As of December 31, 2024 and 2023, the Company hasnot identified any uncertain tax positions for which reserves would be required.

Net Loss Per Share

The Company applies the two-class method to compute basic and diluted net loss per share attributable to common stockholders, when shares meet the definition of participating securities. The two-class method determines net loss per share for each class of common and participating securities according to dividends declared or accumulated and participation rights in undistributed earnings. The two-class method requires income (loss) available to common stockholders for the period to be allocated between common and participating securities based upon their respective rights to share in the earnings as if all income (loss) for the period had been distributed. The Company reported a net loss attributable to common stockholders for the years ended December 31, 2024 and 2023.

Basic net loss per share attributable to common stockholders is computed by dividing the net loss attributable to common stockholders less the cumulative undeclared dividend by the weighted average number of common shares outstanding for the period.

Diluted net loss attributable to common stockholders is computed by adjusting net loss attributable to common stockholders to reallocate undistributed earnings based on the potential impact of dilutive securities. Diluted net loss per share attributable to common stockholders is computed by dividing the diluted net loss attributable to common stockholders by the weighted average number of common shares outstanding for the period, including potential dilutive common shares assuming the dilutive effect of common stock equivalents.

The holders of the Legacy Allurion Series D convertible preferred stock were contractually entitled to receive a cumulative dividend, whether or not declared, and therefore, Legacy Allurion Series D convertible preferred stocks were participating securities. The holders of all other redeemable and convertible preferred stock were not entitled to cumulative dividends. The preferred equity holders were also not contractually required to participate in losses of the Company. Accordingly, in periods in which the Company reports a net loss, such losses are not allocated to such participating securities. In periods in which the Company reports a net loss attributable to common stockholders, diluted net loss per share attributable to common stockholders is the same as basic net loss per share attributable to common stockholders, since dilutive common shares are not assumed to have been issued if their effect is anti-dilutive.

Stock-Based Compensation

The Company recognizes compensation expense for awards based on the grant-date fair value of stock-based awards on a straight-line basis over the period during which an award holder provides service in exchange for the award. The Company accounts for awards issued to nonemployees under ASU No. 2018-07, Compensation—Stock Compensation (“Topic 718”): Improvements to Nonemployee Share-Based Payment Accounting, with the measurement date for nonemployee awards being the date of grant. The fair value of stock options is calculated using the Black-Scholes option-pricing model. The fair value of Restricted Stock Units (“RSUs”) is based on the fair market value of common stock at the date of grant. The Company records forfeitures as they occur.

Mezzanine Equity

Mezzanine equity represents the Series A Preferred Stock (defined below) issued by the Company. The shares of Series A Preferred Stock are redeemable at a determinable price on a fixed date, which results in mezzanine equity classification (outside of permanent equity) on the Company’s consolidated balance sheet. Refer to Note 12, Redeemable Convertible Preferred Stock and Stockholder's Deficit, for additional information regarding the Series A Preferred Stock. On December 19, 2024 the shares Series A Preferred Stock were converted into shares of Common Stock following the Series A Stockholder Approval (defined below). As of December 31, 2024 no shares of preferred stock are outstanding.

Comprehensive Loss

For the years ended December 31, 2024 and 2023, comprehensive loss consists of net loss and other comprehensive loss, which includes changes in the fair value attributable to instrument-specific credit risk related to the Revenue Interest Financing with RTW and the RTW Convertible Notes.

Recently Adopted Accounting Pronouncements

In August 2020, the FASB issued ASU 2020-06, Debt with Conversion and Other Options and Derivatives and Hedging—Contracts in Entity’s Own Equity, which simplifies the accounting for convertible instruments. The guidance removes certain accounting models which separate the embedded conversion features from the host contract for convertible instruments. The Company adopted ASU 2020-06 effective January 1, 2024 under the modified retrospective method of transition approach. The adoption of ASU 2020-06 didnot have an impact on the Company’s consolidated financial statements.

In November 2023, the FASB issued ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which requires disclosure of incremental segment information on an interim and annual basis. The Company adopted ASU 2023-07 effective January 1, 2024 under the retrospective method. We have disclosed significant segment expenses, other segment items, and our measure of segment profit or loss in Note 17, Segment Information.

Recently Issued Accounting Pronouncements Not Yet Adopted

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which require public entities, on an annual basis, to provide disclosure of specific categories in the rate reconciliation, as well as disclosure of income taxes paid disaggregated by jurisdiction. This ASU is effective for fiscal years beginning after December 15,

2024, with early adoption permitted. The adoption of this standard is not expected to have a material impact on the Company’s consolidated financial statements and related disclosures.

Business Combination

As discussed in Note 1, Organization and Basis of Presentation, on August 1, 2023 the Company consummated the Business Combination with Compute Health pursuant to the Business Combination Agreement. The Business Combination was accounted for as a reverse capitalization in accordance with U.S. GAAP. Under this method of accounting, Compute Health, which was the legal acquirer, was treated as the “acquired” company for financial reporting purposes. Accordingly, the Business Combination was treated as the equivalent of Allurion issuing stock for the net assets of Compute Health, accompanied by a recapitalization.

Upon the closing of the Business Combination, (a) holders of Legacy Allurion common stock received shares of Allurion Common Stock in an amount determined by application of the Exchange Ratio of approximately 0.9780, (the Exchange Ratio established in the Business Combination is prior to the Reverse Stock Split and did not change as a result of the Reverse Stock Split)(b) each then-outstanding share of Legacy Allurion preferred stock was converted into the right to receive shares of Allurion Common Stock equal to the number of shares of Legacy Allurion common stock that would be issued upon conversion of such outstanding share of Legacy Allurion preferred stock based on the applicable conversion ratio multiplied by the Exchange Ratio, (c) each then-outstanding and unexercised Legacy Allurion option was converted into a new Allurion option on the same terms and conditions as were applicable to such Legacy Allurion option based on the Exchange Ratio, (d) each then-outstanding Legacy Allurion warrant was converted into a new Allurion warrant based on the Exchange Ratio ("Rollover Warrant"), (e) each then-outstanding Legacy Allurion restricted stock unit was converted into a rollover restricted stock unit based on the Exchange Ratio, and (f) certain amounts of loans made by Compute Health Sponsor LLC (the "Sponsor") to CPUH, which balance was $3.7 million at the time of the Business Combination, were converted into 21,023 shares of Allurion Common Stock. For periods prior to the Business Combination, the reported share and per share amounts have been retroactively converted by applying the Exchange Ratio. The consolidated assets, liabilities, and results of operations prior to the Business Combination are those of Legacy Allurion.

Further, upon the closing of the Business Combination and after giving effect to the Reverse Stock Split, each then-outstanding share of Compute Health Class A common stock was canceled and extinguished and was converted into the right to receive 1.420455 shares of Allurion Common Stock. Additionally, the Company assumed 13,206,922 outstanding public warrants to purchase an aggregate 750,394 shares of Allurion Common Stock at $202.50 per share.

In connection with the Business Combination, the Company incurred approximately $22.7 million of transaction costs, consisting of legal and other professional fees, of which $15.2 million was recorded to additional paid-in capital as a reduction of proceeds, $2.5 million was recorded as debt issuance costs in connection with the Fortress Term Loan (as defined below), and $5.0 million was recorded as an expense in general and administrative expenses on the consolidated statement of operations and comprehensive loss. Of the $5.0 million recorded as general and administrative expenses, $3.6 million relates to a one-time insurance payment related to any potential matters that might arise from the period prior to the Business Combination, and as such is not capitalized as an asset. An additional $1.2 million relates to direct costs and fees incurred as part of the Revenue Interest Financing with RTW (as defined below).

The following table reconciles the elements of the Business Combination to the consolidated statement of cash flows and the consolidated statement of changes in equity:

Cash – CPUH trust (net of redemptions)$38,395
Cash – PIPE Investors37,922
Gross Proceeds76,317
Less: transaction costs paid(14,665)
Net proceeds from the Business Combination61,652
Less: warrant liabilities assumed(13,762)
Less: repayment of note assumed in the Business Combination(2,500)
Less: accrued transaction costs at December 31, 2023(580)
Business Combination, net of transaction costs$44,810

The number of shares of Allurion Common Stock outstanding immediately following the consummation of the Business Combination and after giving effect to the Reverse Stock Split was as follows:

Common Stock
Legacy Allurion Equityholders (1)1,115,896
CPUH Stockholders (2)206,628
Shares Issued to PIPE Investors (2)215,468
Shares issued to RTW and Fortress (3)76,000
Shares issued to convertible note holders132,049
CPUH Sponsor Shares (2)130,509
Side Letter Termination Shares (3)15,508
Total shares of Common Stock immediately after Business Combination1,892,058

(1)

Consists of Legacy Allurion common stock and Legacy Allurion preferred stockholders, plus the issuance of common stock in connection with the vesting of RSUs at closing, less the Gaur Contributed Shares (as defined below).

(2)

The CPUH Stockholders shares, PIPE shares, and CPUH Sponsor shares are presented combined within the consolidated statements of stockholders deficit on the "Reverse recapitalization, net of transaction costs" line, which is less the Gaur Contributed Shares (as defined below).

(3)

The shares issued to RTW and Fortress and the Side Letter Termination shares are presented combined within the consolidated statements of stockholders deficit on the "Derecognition of liabilities associated with the Backstop Shares, Hunter shares, and additional RTW and Fortress shares and issuance of related shares" line.

PIPE Investment

In connection with the execution of the Business Combination Agreement, Allurion and Compute Health entered into subscription agreements, each dated February 9, 2023, with certain accredited investors and qualified institutional buyers (the “PIPE Investors”), pursuant to which, upon the terms and subject to the conditions set forth therein, the PIPE Investors, among other things, purchased an aggregate of 215,468 shares of Allurion Common Stock at a purchase price of $176.00 per share (other than as set forth in the Amended and Restated RTW Side Letter, as defined below), for an aggregate purchase price of $37.9 million, following the CPUH Merger Effective Time (the "PIPE Investment").

Revenue Interest Financing Agreement, Side Letter and PIPE Conversion Option

On February 9, 2023, concurrently with the execution of the Business Combination Agreement, the Company entered into the Revenue Interest Financing Agreement (the "Revenue Interest Financing Agreement") with certain entities that engaged RTW Investments, LP (together with its affiliates, "RTW") as investment manager. Pursuant to the Revenue Interest Financing Agreement, at the closing of the Business Combination, RTW paid Allurion an aggregate of $40.0 million (the “Investment Amount”). In exchange for the Investment Amount, Allurion will remit revenue interest payments on all current and future products, digital solutions and services developed, imported, manufactured, marketed, offered for sale, promoted, sold, tested or otherwise distributed by Allurion and its subsidiaries at a rate up to 6.0% of annual net sales prior to December 31, 2026. On or after January 1, 2027, the Company will remit revenue interest payments at a rate up to 10.0% of annual net sales, and it will continue to make revenue interest payments to RTW until December 31, 2030. The Revenue Interest Financing Agreement was amended pursuant to the RIFA Amendment (as defined below) on April 14, 2024. The RIFA Amendment, among other things, increased the rate of revenue interest payments to be paid to RTW on all current and future products, digital solutions and services developed, imported, manufactured, marketed, offered for sale, promoted, sold, tested or otherwise distributed by Allurion and its subsidiaries. Refer to Note 9, Revenue Interest Financing, Side Letter, and PIPE Conversion Option below for further discussion on the Revenue Interest Financing.

Additionally, in connection with the Company entering into the Revenue Interest Financing Agreement, the Company, Compute Health, Legacy Allurion, Merger Sub II and RTW entered into a side letter (the "RTW Side Letter") on February 9, 2023 under which RTW may elect to convert up to $7.5 million of its initial PIPE Investment into an additional revenue interest financing by forfeiting a number of shares of Allurion Common Stock acquired by its PIPE Investment. Refer to Note 9, Revenue Interest Financing, Side Letter, and PIPE Conversion Option below for further discussion on the Revenue Interest Financing.

On May 2, 2023, the parties amended and restated the RTW Side Letter (as amended, the "Amended and Restated RTW Side Letter"), in connection with the Backstop Agreement (defined below), pursuant to which, among other things, Allurion issued 10,000 shares of Allurion Common Stock to RTW immediately prior to the Intermediate Merger Effective Time.

On October 22, 2024, funds affiliated with RTW provided notice to the Company of their election under the Amended and Restated RTW Side Letter, to surrender 30,000 shares of Common Stock of the Company representing $7.5 million in consideration for the New RIFA (as defined below). Refer to Note 9, Revenue Interesting Financing, Side Letter, and PIPE Conversion Option, below for further discussion on the RTW conversion.

Fortress Credit Agreement

In connection with the closing of the Business Combination, the Company entered into a term loan facility (the “Fortress Term Loan”) pursuant to a Credit Agreement and Guaranty, dated as of August 1, 2023 (the “Fortress Credit Agreement”), with Fortress Credit Corp. (“Fortress”), as administrative agent for the lenders party thereto from time to time (the “Lenders”). Under the terms of the Fortress Term Loan, we borrowed $60.0 million, which was used to repay the outstanding principal, accrued and unpaid interest, and other obligations with respect to the 2021 Term Loan (as defined below). Additionally, per the terms of the Fortress Term Loan and Backstop Agreement (as defined below), Allurion issued an aggregate of 38,000 shares of Allurion Common Stock to an affiliate of Fortress pursuant to a subscription agreement between Allurion and such affiliate. Refer to Note 8, Debtfor further discussion on the Fortress Term Loan.

Backstop Agreement

On May 2, 2023, CFIP2 ALLE LLC, an affiliate of Fortress Credit Corp., and RTW (collectively, the “Backstop Purchasers”), Legacy Allurion, Allurion and Hunter Ventures Limited (“HVL”) entered into the backstop agreement (the “Backstop Agreement”). Pursuant to the Backstop Agreement, immediately prior to the Intermediate Merger Closing, (a) each Backstop Purchaser purchased $2 million of the aggregate principal amount outstanding of HVL's Legacy Allurion convertible note issued in February 2023, (b) Allurion canceled the existing HVL Legacy Allurion Convertible Note and issued a new Allurion Convertible Note to HVL for the remaining balance together with all unpaid interest accrued since the date of issuance thereof, (c) Allurion issued new Allurion Convertible Notes to each Backstop Purchaser with an issuance date of August 1, 2023 and an original principal amount of $2 million each and (d) Allurion issued 28,000 shares of Allurion Common Stock to each Backstop Purchaser. Refer to Note 8, Debt for further discussion around the Backstop Agreement.

HVL Termination Agreement

On May 2, 2023, HVL and Legacy Allurion entered into a letter agreement (the “HVL Termination Agreement”), terminating the side letter agreement entered into between Legacy Allurion and HVL in connection with the issuance of HVL’s Legacy Allurion convertible note on February 15, 2023. Pursuant to the HVL Termination Agreement, among other things, at the closing of the Business Combination, upon the terms and subject to the conditions set forth therein, Allurion issued to HVL 15,508 shares of Allurion Common Stock. Refer to Note 8, Debt for further discussion regarding the HVL Termination Agreement.

Gaur Contribution Agreement

On May 2, 2023, Shantanu K. Gaur and Neha Gaur, trustees of The Shantanu K. Gaur Revocable Trust of 2021 (the “Gaur Trust”) and Allurion entered into a contribution agreement (the “Gaur Contribution Agreement”), pursuant to which, among other things, upon the terms and subject to the conditions set forth therein, the Gaur Trust contributed to Allurion, as a contribution of capital,3,170 shares of Allurion Common Stock (the “Gaur Trust Contributed Shares”). The Gaur Trust’s contribution of the Gaur Trust Contributed Shares was effective immediately following the consummation of the Business Combination and the issuance of shares of Allurion Common Stock to the Gaur Trust pursuant to the terms of the Business Combination Agreement.

RSU Forfeiture Agreement

On May 2, 2023, Krishna Gupta, a member of the Company's Board of Directors (the “Board” or “Board of Directors”), entered into a letter agreement with Legacy Allurion (the “RSU Forfeiture Agreement”), pursuant to which, among other things, upon the terms and subject to the conditions set forth therein, Mr. Gupta agreed to forfeit 3,170 restricted stock units of Allurion (the “Forfeited RSUs”). The Forfeited RSUs were terminated and canceled without consideration therefor immediately following the closing of the Business Combination Agreement.

Sponsor Contribution Agreement

On May 2, 2023, the Sponsor and Compute Health entered into a letter agreement (the "Sponsor Contribution Agreement") pursuant to which, among other things, upon the terms and subject to the conditions set forth therein, the Sponsor agreed to contribute to Compute Health, as a contribution of capital,161,379 shares of Compute Health Class A Common Stock (“Sponsor Contributed Shares”), prior to giving effect to the Reverse Stock Split. The Sponsor’s contribution of the Sponsor Contributed Shares was made immediately following the CPUH Recapitalization (defined below) and immediately prior to the CPUH Merger Effective Time.

Sponsor Support Agreement

On February 9, 2023, Allurion entered into a support agreement (the "Sponsor Support Agreement"), pursuant to which immediately prior to the CPUH Merger Effective time, (a) the Sponsor recapitalized each of the Sponsor’s 21,442,500 shares of Compute Health Class B Common Stock, and all 12,833,333 of the Sponsor’s warrants to purchase shares of Class A Common Stock, into 2,088,327 shares of Compute Health Class A Common Stock and (b) the additional Class B Holders set forth on Schedule I of the Sponsor Support Agreement recapitalized his or her 30,000 shares of Compute Health Class B Common Stock into 21,120 shares of Compute Health Class A Common Stock (the "CPUH Recapitalization"). Subsequently, at the CPUH Merger Effective Time, each such share of Compute Health Class A Common Stock was converted into shares of Allurion Common Stock at an exchange ratio of 1.420455 (the "CPUH Exchange Ratio"), prior to giving effect to the Reverse Stock Split.

Conversion of Convertible Notes

In connection with the closing of the Business Combination, outstanding Legacy Allurion Convertible Notes with an aggregate principal amount together with accrued but unpaid interest of approximately $21.8 million were converted into 132,049 shares of Allurion Common Stock with a corresponding recognition of additional paid-in capital ("APIC") of $25.6 million provided for under the terms of such Legacy Allurion Convertible Notes, and are no longer outstanding. Refer to Note 8, Debt for further information on the Company's convertible notes.

Public Warrants and Warrant Amendment

In connection with the closing of the Business Combination, the Company assumed 13,206,922 outstanding public warrants (the "Public Warrants") to purchase an aggregate 750,394 shares of Allurion Common Stock at $202.50 per share following the Warrant Amendment (defined below). The total value of the liability associated with the Public Warrants was $13.8 million measured at fair value based on the public warrant quoted price. The Company concluded the warrants met the definition of a liability based on the settlement provision that allows the warrant holders to net-share settle their warrants in the event of a failed registration statement within 60 days of the Business Combination or any time a registration is not effective. As such, they have been classified as a liability on the balance sheet. See Note 12, Redeemable Convertible Preferred Stock and Stockholders Deficit and Note 10, Fair Value Measurements for further information on the Public Warrants and Warrant Amendment.

Earn-Out Liabilities

In connection with the closing of the Business Combination, Legacy Allurion equity holders are entitled to receive additional shares of Allurion Common Stock if the share price achieves certain targets (the "Earn-Out Shares"). The Company accounts for the potential issuance of the Earn-Out Shares as a contingent consideration arrangement, which was initially valued and recorded at $53.0 million. See Note 10, Fair Value Measurements for further information on the earn-out liabilities.

Revenue

Revenue by geographic region is based on the country in which our customer is domiciled and is summarized by geographic area as follows (in thousands):

Year Ended December 31,
20242023
Spain$4,008$4,618
France2,4905,569
Turkey1,5735,494
All other countries24,03937,786
Total Revenues$32,110$53,467

There is currentlyno revenue generated in the United States from sales of the Allurion Balloon. For the year ended December 31, 2024, $10.2 million of revenue was generated infive countries included within All other countries in the table above, representing approximately 32% of Total Revenues, with each country responsible for approximately 4%-8% of the total. The remaining revenue was generated by sales in 52 other countries included within All other countries. For the year ended December 31, 2023, $16.0 million of revenue was generated infive countries included within All other countries, representing approximately 30% of Total Revenues, with each country responsible for approximately 5%-9% of the total. Remaining revenue was generated by sales in 55 other countries included within All other countries.

Inventory

Inventory consists of the following (in thousands):

December 31,
20242023
Finished goods$1,789$3,427
Work in progress763967
Raw materials8481,777
Total Inventory$3,400$6,171

Inventory is stated net of $1.6 million and less than$0.1 million for the provision of excess and obsolete inventory as of December 31, 2024 and 2023, respectively.

Property and Equipment, net

Property and equipment consist of the following (in thousands):

December 31,
Estimates Useful Life (in Years)20242023
Computers and purchased software3$618$618
Leasehold improvementsShorter of useful lifeor lease term1,9431,943
Furniture and fixtures5291291
Machinery and equipment3-53,9602,893
Property and equipment—at cost6,8125,745
Less accumulated depreciation and amortization(4,357)(3,559)
Construction in progress141,195
Property and equipment—net$2,469$3,381

Depreciation expense was$1.0 million and $0.7 million for the years ended December 31, 2024 and 2023, respectively, recorded as follows (in thousands):

Year Ended December 31,
20242023
Cost of revenue$553$367
Research and development235179
General and administrative116138
Sales and marketing9362
Total depreciation and amortization expense$997$746

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consist of the following (in thousands):

December 31,
20242023
Marketing reimbursement$821$2,834
Accrued compensation1,0461,687
Accrued clinical trials and R&D—3,694
Accrued selling and marketing911,110
Accrued professional fees1,1641,505
Accrued warranty1444
Accrued restructuring3,165655
Other accrued expenses5,1213,966
Total accrued expenses and other current liabilities$11,422$15,495

In December 2023, the Company's management approved and initiated plans to reduce its cost structure. The Company recorded less than $0.1 million of restructuring charges, and paid $0.7 million of restructuring charges during the year ended December 31, 2024 related to the December 2023 action. Substantially all of the charges represented the severance cost of terminated employees, and are included in cost of revenue and operating expenses in the statement of operations. The following table rolls forward the activity in the restructuring accrual for the December 2023 action for the year ended December 31, 2024:

Accrual at December 31, 2023$655
Additional restructuring and related costs19
Cash payments(674)
Accrual at December 31, 2024$—

In December 2024, the Company's management approved and initiated plans to reduce its cost structure. The Company recorded $3.9 million ofrestructuring charges, and paid $1.5 millionof restructuring charges during the year ended December

31,2024 related to this restructuring plan. The restructuring plan initiated during the year ended December 31, 2024 is expected to the be completed during the first half of 2025. Substantially all of the charge represent the severance cost of terminated employees, and are included in cost of revenue and operating expenses in the statement of operations. The following table rolls forward the activity in the restructuring accrual for the November 2024 action for the year ended December 31, 2024:

Accrual at December 31, 2023$—
Restructuring charges and related costs3,953
Cash payments(788)
Accrual at December 31, 2024$3,165

Debt

The components of the Company’s third-party debt consisted of the following (in thousands):

December 31,
20242023
Fortress Term Loan$—$43,100
RTW Convertible Notes50,069—
Total principal amounts of debt50,06943,100
Change in fair value(14,359)—
Plus: Accretion—148
Less: current portion of long-term debt, net of discounts—(38,643)
Less: unamortized deferred financing costs and debt discounts—(4,605)
Long-term debt, net of current portion and discounts$35,710$—

As of December 31, 2023 the fair value for the Company’s Fortress Term Loan approximated the respective carrying amounts.

Term Loans

2021 Term Loan

In March 2021, the Company entered into a loan and security agreement (as amended, the “2021 Term Loan” and the “2021 Term Loan Agreement”) with Runway Growth Credit Fund, Inc. (“Runway”) that provided for borrowings up to $25.0 million.

In December 2021, the 2021 Term Loan Agreement was amended (the “Amendment”) to extend the maturity date of the 2021 Term Loan to December 30, 2025 and provide for an additional $20.0 million of borrowings. In December 2021, the Company issued warrants exercisable for 132,979 shares of Legacy Allurion Series C preferred stock as consideration for the Amendment and the draw down related to the 2021 Term Loan Agreement. The fair value of these warrants was determined to be $0.3 million upon issuance and are classified as a warrant liability on the consolidated balance sheet as of December 31, 2024 and 2023 (see Note 10, Fair Value Measurements). Upon the closing of the Business Combination and after giving effect to the Reverse Stock Split, these warrants were converted into warrants exercisable for 5,203 shares of Allurion Common Stock.

In June 2022, the 2021 Term Loan Agreement was amended to revise definitional terms for certain milestone events, the final payment amount and certain financial covenants. In September 2022, the 2021 Term Loan Agreement was further amended to, among other things, increase additional borrowing up to $15.0 million.

During June through December of 2022, the Company drew an additional $30.0 million of the 2021 Term Loan and warrants exercisable for 88,440 shares of Series D-1 preferred stock were issued. The fair value of these warrants was determined to be $0.8 million upon issuance and are classified as a warrant liability on the consolidated balance sheets as of December 31, 2024 and 2023 (see Note 10, Fair Value Measurements). Upon the closing of the Business Combination and after giving effect to the Reverse Stock Split, the warrants exercisable for 88,440 shares of Series D-1 preferred stock were converted into warrants exercisable for 3,620 shares of Allurion Common Stock.

On August 1, 2023, the 2021 Term Loan was paid off using the proceeds from the Fortress Term Loan (see below). The total payoff amount was $58.0 million, consisting of $55.0 million repayment of principal, a $1.1 million prepayment fee, and a $1.6 million final payment fee. The prepayment fee was calculated as 2% of the outstanding principal balance as of August 1, 2023. The final payment fee was calculated as 3% of the outstanding principal balance as of August 1, 2023 less the original final payment of $0.1 million. The Company recorded a $3.9 million loss on extinguishment of debt in connection with the 2021 Term Loan repayment.

Interest expense for the year ended December 31, 2023 related to the 2021 Term Loan was $5.0 million, consisting of $4.7 million of contractual interest, $0.1 million amortization of debt discount, $0.1 million amortization of the warrant, and $0.1 million of term loan accretion.

Fortress Term Loan

On August 1, 2023, the Company entered into the Fortress Term Loan pursuant to the Fortress Credit Agreement with Fortress that provided gross proceeds of $60 million. The Fortress Term Loan has a maturity date of June 30, 2027 and accrues interest per annum at a rate of 6.44% plus the greater of (i) the Wall Street Journal Prime Rate and (ii)3.0%, which interest is payable in arrears on a monthly basis. An exit payment equal to 3.0% of the Fortress Term Loan (the "Exit Fee") is due upon prepayment or the maturity date of the Fortress Term Loan, in addition to any early prepayment fee. The Exit Fee is treated as additional interest expense and is accreted over the life of the loan using the effective interest method. Proceeds of the Fortress Term Loan were used, in part, to repay all amounts outstanding under the 2021 Term Loan. In connection with the issuance of the Fortress Term Loan, the Company paid issuance costs of $2.5 million, which were recorded as a debt discount and were amortized over the remaining life of the loan.

On December 29, 2023, the Company entered into an amendment to the Fortress Credit Agreement (the "Fortress Amendment"). The Fortress Amendment waived the December 31, 2023 minimum revenue covenant under the Fortress Credit Agreement and modified the minimum liquidity covenant by increasing the minimum liquidity amount from $12.5 million to $33.5 million until March 31, 2024, $23.5 million from April 1, 2024 to June 30, 2024, $16.9 million from July 1, 2024 to September 30, 2024 and $12.5 million on October 1, 2024 and thereafter. The Fortress Amendment also provided that at any time after March 31, 2024, each lender will have the right to convert a portion of the outstanding principal amount, not to exceed the lender's proportionate share of a maximum of $20.0 million in aggregate outstanding principal amount, into shares of Common Stock of the Company at a conversion price based on the 30-day volume weighted average price ("VWAP") of the Common Stock on the NYSE ending on the trading day immediately preceding the date of exercise of the lender's conversion right (the "Fortress Conversion Option"). As part of the Fortress Amendment, the Company prepaid $20.0 million of the principal outstanding under the Fortress Credit Agreement. Additionally, $3.1 million of fees were incurred and considered paid-in-kind and capitalized as an additional debt discount and added to the outstanding principal amount of the loans under the Fortress Amendment. The fees will be amortized through interest expense over the remaining life of the loan. The Fortress Amendment was accounted for as a modification under ASC 470, Debt. In connection with the modification and related prepayment, the Company wrote off $0.8 million of the unamortized debt issuance costs which was recorded within interest expense on the consolidated statement of operations for the year ended December 31, 2023.

The Company assessed the terms and features of the Fortress Credit Agreement in order to identify any potential embedded features that would require bifurcation or any beneficial conversion features. The terms and features assessed include, under certain circumstances, a default interest rate of 3% which will apply to all outstanding obligations during the occurrence and continuance of an event of default. The Company concluded that this feature is not clearly and closely related to the host instrument and represents an embedded derivative (the "Term Loan Derivative Liability") that is required to be re-remeasured at fair value on a quarterly basis. At the inception of the Fortress Term Loan, the fair value of the embedded derivative was determined to be immaterial. The fair value of the Term Loan Derivative Liability was $1.9 million as of December 31, 2023, with a corresponding recognition of Other income (expense), net in the consolidated statement of operations. The Term Loan Derivative Liability was fair valued tozero in connection with the repayment of the Fortress Term Loan, with a corresponding $2.0 million gain recorded inother income (expense), net in the consolidated statement of operations for the year ended December 31, 2024.

On April 16, 2024, the Company repaid all outstanding obligations under the Fortress Term Loan with proceeds from the Amended Note Purchase Agreement (as defined below) with RTW. The total payoff amount was $48.0 million, consisting of $43.1 million repayment of principal, a $2.7 million prepayment fee, a $1.3 million exit fee, $0.6 million of other fees paid directly to Fortress, and $0.3 million of accrued interest. The Company recorded an $8.7 million loss on extinguishment of debt in connection with the Fortress Term Loan repayment in the consolidated statement of operations for year ended December 31, 2024.

Interest expense for the year ended December 31, 2024 related to the Fortress Term Loan was$2.3 million, consisting of $1.9 million of contractual interest, $0.3 million amortization of the debt discount, and term loan accretion of $0.1 million. Interest expense from August 1, 2023 through December 31, 2023 related to the Fortress Term Loan was $4.1 million, consisting of $3.8 million of contractual interest, $0.2 million amortization of the debt discount, and term loan accretion of $0.1 million. The average interest rate through April 16, 2024 was 14.94%.

Convertible Notes

2021 Convertible Notes

In December 2021, the Company entered into a convertible note agreement with an investor for gross proceeds of $2.0 million with a stated interest rate of 5.0% per annum (the “2021 Convertible Notes”) and a maturity date 36 months from the date of issuance unless previously converted pursuant to their terms of the agreement. No issuance costs were incurred.

The 2021 Convertible Notes provided that, effective upon either a Special Purpose Acquisition Company (i.e. “deSPAC”) transaction, closing of a qualified financing, or closing of a non-qualified financing, all of the outstanding principal and interest would automatically convert into common shares or shares of the same class or series of capital stock issued in the qualified financing in an amount equal to the balance of the 2021 Convertible Notes on the date of conversion divided by the capped conversion price, which is calculated by dividing $600.0 million by the fully diluted capitalization of the Company immediately prior to the conversion of the 2021 Convertible Notes.

Interest expense for the year ended December 31, 2023 related to the 2021 Convertible Notes was $0.1 million, consisting entirely of contractual interest. Interest expense related to the 2021 Convertible Notes is recorded within Interest expense on the consolidated statement of operations. On August 1, 2023, in connection with the closing of the Business Combination and after giving effect to the Reverse Stock Split, the outstanding 2021 Convertible Notes were converted into an aggregate 5,345 shares of Allurion Common Stock with a corresponding recognition of APIC of $2.2 million, and are no longer outstanding.

2022 Convertible Notes

In January 2022, the Company entered into a convertible note agreement with investors for gross proceeds of $1.1 million with a stated interest rate of 5.0% per annum (the “2022 Convertible Notes”). The 2022 Convertible Notes mature 36 months from the issuance date unless previously converted pursuant to their terms of the agreement. Issuance costs were de minimis. The 2022 Convertible Notes had the same terms as the 2021 Convertible notes.

Interest expense for the year ended December 31, 2023 related to the 2022 Convertible Notes was less than $0.1 million, consisting entirely of contractual interest. Interest expense related to the 2022 Convertible Notes is recorded within Interest expense on the consolidated statement of operations. On August 1, 2023, in connection with the closing of the Business Combination and after giving effect to the Reverse Stock Split, the outstanding 2022 Convertible Notes were converted into an aggregate 3,329 shares of Allurion Common Stock with a corresponding recognition of APIC of $1.2 million, and are no longer outstanding.

Between February and August 2023, the Company entered into a convertible note purchase agreement, and related side letters, for the sale of the 2023 Convertible Notes to certain investors for gross proceeds of $28.7 million, with a stated interest rate of 7.0% per annum. The 2023 Convertible Notes provided that they would mature on December 31, 2026 unless previously converted pursuant to the terms of their agreement. The 2023 Convertible Notes also provided that, effective upon a deSPAC transaction, all of the outstanding principal and interest would automatically convert into a number of shares of common stock equal to the balance of the 2023 Convertible Notes on the date of conversion divided by the discounted capped conversion price, which is calculated by dividing $217.3 million by the fully diluted capitalization of the Company immediately prior to the conversion of the 2023 Convertible Notes.

Additionally, the 2023 Convertible Notes provided that, effective upon the closing of a qualified financing, holders of the 2023 Convertible Notes could optionally accelerate repayment of the principal and interest of the 2023 Convertible Notes or convert all of the outstanding principal and interest into shares of Legacy Allurion common stock or shares of the same class or series of capital stock issued in the qualified financing equal to the balance of the 2023 Convertible Notes on the date of conversion divided by the greater of the capped price or the discounted price. The capped price is calculated by dividing $260.0 million by the fully diluted capitalization of the Company immediately prior to the conversion of the 2023 Convertible Notes, and the discounted price is calculated as 85% of the cash price of the same class or series of capital stock issued in the qualified financing. The 2023 Convertible Notes were accounted for under the FVO election as the notes contain embedded derivatives including the automatic conversion upon a deSPAC transaction prior to the deSPAC deadline, voluntary conversion upon a qualified financing, automatic repayment upon a sale event, and conversion rate adjustment, which would require bifurcation and separate accounting. These convertible notes are initially measured at their issue-date estimated fair value and subsequently remeasured at estimated fair value on a recurring basis at each reporting period date.

Interest expense for the year ended December 31, 2023 related to the 2023 Convertible Notes was $0.5 million, consisting entirely of contractual interest. Interest expense related to the 2023 Convertible Notes is recorded within Interest expense on the consolidated statement of operations.

On May 2, 2023 the Company entered into termination agreements (the “Termination Agreements”) with respect to side letters entered into with certain holders of the 2023 Convertible Notes. With respect to the Termination Agreement with HVL, the Company had the right to prepay, in one or more transactions, all or a portion of the outstanding principal amount, plus accrued interest, under the 2023 Convertible Note (the “HVL Bridge Note”), including by way of (a) a $2.0 million payment in cash by the Company to HVL on May 2, 2023, $1.5 million of which is deemed a prepayment penalty and recorded as other expense on the income statement, with the remaining $0.5 million recorded as a reduction of the principal amount, (b) immediately prior to the consummation of the transactions contemplated by the Business Combination Agreement, an additional payment of at least $6.0 million, up to the then-outstanding principal amount, plus accrued interest, under the HVL Bridge Note by way of (i) payment in cash by the Company and/or (ii) the sale and transfer of all or any portion of the HVL Bridge Note, equivalent in value to the portion of the additional payment to be repaid pursuant to this clause (b)(ii), to any person or persons designated in writing by the Company. The Termination Agreements were accounted for as a modification of debt and the modified convertible notes continued to be accounted for under the FVO with any change in fair value recognized in other expense on the income statement.

In addition, under the Termination Agreement executed with HVL, the Company agreed to issue to HVL a number of shares of Allurion Common Stock (“PubCo Additional Shares”) equal to (a) the outstanding principal and accrued interest under the HVL Bridge Note immediately prior to the consummation of the transactions contemplated by the Business Combination Agreement (after giving effect to the payment of the repayments) divided by $125.00, plus (b)12,000 shares of Allurion Common Stock. The PubCo Additional Shares were accounted for as a freestanding financing liability. The liability for the PubCo Additional Shares was initially measured at its issue-date estimated fair value and subsequently remeasured at fair value at each reporting period with changes in fair value reflected in earnings until the PubCo Additional Shares were issued. A $3.4 million liability was recorded at issuance for the PubCo Additional Shares as Other liabilities on the consolidated balance sheet. On August 1, 2023, upon closing of the Business Combination and after giving effect to the Reverse Stock Split, HVL was issued 15,508 PubCo Additional Shares with a corresponding recognition of APIC of $2.7 million, and the liability is no longer outstanding.

Further on May 2, 2023, RTW and Fortress as the Backstop Purchasers entered into the Backstop Agreement with the Company, Legacy Allurion and HVL. Pursuant to the Backstop Agreement, each Backstop Purchaser agreed that to the extent any HVL Bridge Notes remain outstanding prior to the consummation of the Business Combination, such Backstop Purchaser would, at the closing of the Business Combination, purchase up to $2.0 million of the HVL Bridge Notes from HVL in exchange for shares of Allurion Common Stock (the “Base PubCo Shares”, “Backstop Shares” and “Conditional Additional PubCo Shares”). The Base PubCo Shares and Backstop Shares were accounted for as a freestanding financing liability. The Base PubCo Shares and Backstop Shares liability was initially measured at its issue-date estimated fair value and subsequently remeasured at fair value at each reporting period with changes in fair value reflected in earnings until the Base PubCo Shares and Backstop Shares were issued. A $3.3 million liability was recorded at issuance for the Base PubCo Shares and Backstop Shares liability as Other liabilities on the consolidated balance sheet. On August 1, 2023, upon closing of the Business Combination and after giving effect to the Reverse Stock Split, per the terms of the Fortress Term Loan, the Amended and Restated RTW Side Letter and the Backstop Agreement, the Backstop Purchasers were each issued 38,000 shares of Allurion Common Stock with a corresponding recognition of APIC of $13.4 million, and the liability is no longer outstanding.

On August 1, 2023, immediately prior to the closing of the Business Combination and after giving effect to the Reverse Stock Split, the Company repaid $6.3 million of the HVL Bridge Note, leaving a principal balance of $6.3 million. Each Backstop Purchaser then purchased $2.0 million principal amount of the outstanding portion of the HVL Bridge Note, Allurion canceled the existing HVL Bridge Note and issued a new convertible note to HVL for the remaining balance together with all unpaid interest accrued since the date of issuance of $2.7 million, Allurion issued convertible notes to each Backstop Purchaser with an issuance date of the Closing Date (August 1, 2023) and an original principal amount of $2.0 million each, and Allurion issued 28,000 shares of Allurion Common Stock to each Backstop Purchaser. Additionally, the outstanding 2023 Convertible Notes were converted into an aggregate 123,376 shares of Allurion Common Stock with a corresponding recognition of APIC of $22.2 million, and are no longer outstanding.

On April 14, 2024, the Company entered into a note purchase agreement (the "Original Note Purchase Agreement") with RTW as agent for the purchasers (the "Purchasers") party thereto from time to time (RTW in such capacity, the "Principal Purchaser"), and Acquiom Agency Services LLC ("Acquiom") as collateral agent for the Purchasers. Subsequently, on April 16, 2024, the Company, the Principal Purchaser, the Purchasers, and Acquiom entered into the First Amendment to the Original Note Purchase Agreement (the Original Note Purchase Agreement as amended, the "Amended Note Purchase Agreement").

Pursuant to the Amended Note Purchase Agreement, the Company issued and sold $48.0 million of convertible senior secured notes (the "RTW Convertible Notes"). The RTW Convertible Notes bear interest at an annual rate of 6%, which interest is paid quarterly in cash or, at the Company's option, in kind for the first three years. The RTW Convertible Notes will mature on April 16, 2031 unless previously converted pursuant to the terms of the Amended Note Purchase Agreement. The RTW Convertible Notes are convertible into shares of Allurion Common Stock, at a Purchaser’s election at any time after the earliest of (i) the date on which Stockholder Approval (as defined below) is obtained, (ii) December 31, 2025, (iii) the date of a Fundamental Change Company Notice (as defined in the Amended Note Purchase Agreement), and (iv) the Make-Whole Fundamental Change Effective Date (as defined in the Amended Note Purchase Agreement), subject to certain terms and limitations in the Amended Note Purchase Agreement, based on a conversion rate of 24.6920 shares of common stock per $1,000 principal amount of Notes (equivalent to a conversion price of approximately $40.50 per share, which represents a 35% premium to the lowest price per share in an equity financing for capital raising purposes ending on the date on which the Company has raised aggregate gross offering proceeds of at least $15,000,000 (the “Next Equity Financing”). On July 1, 2024, we consummated the Public Offering, as described elsewhere in this Annual Report on Form 10-K, which constituted a Next Equity Financing. The Amended Note Purchase Agreement provides that unless and until requisite approval of the Company’s stockholders is obtained (“Stockholder Approval”), the Company will not deliver Allurion Common Stock upon conversion of the RTW Convertible Notes in excess of 1% of the number of shares of Allurion Common Stock outstanding as of April 14, 2024.

The RTW Convertible Notes are accounted for under the FVO election as the notes contain embedded derivatives, including the conversion upon Stockholder Approval, the conversion upon a Fundamental Change Company Notice, the conversion upon a Make-Whole Fundamental Change, redemption upon the event of default, and redemption upon a Fundamental Change, which would require bifurcationand separate accounting. The RTW Convertible Notes were initially measured at their issue-date estimated fair value and subsequently remeasured at estimated fair value on a recurring basis at each reporting period date. The fair value of the RTW Convertible Notes at issuance was $49.1 million, with a corresponding $1.1 million loss recognized in Other income (expense), net in the consolidated statement of operations. In connection with the issuance of the RTW Convertible Notes and RIFA Amendment (as defined below), we incurred $1.4 million in issuance costs, which were directly expensed through general and administrative expense due to the FVO election of the RTW Convertible Notes and Revenue Interest Financing.

For the year ended December 31, 2024, the Company recorded gains of $8.7 million and $4.7 million through the consolidated statements of operations and other comprehensive income (loss), respectively.

The Amended Note Purchase Agreement contains financial maintenance covenants, which require (i) the Company maintain not less than $12.5 million in unrestricted cash in controlled accounts in the U.S. at all times, (ii) the Company to receive minimum trailing twelve-month consolidated revenue at amounts designated in the Amended Note Purchase Agreement, tested quarterly beginning with the twelve-month period ending March 31, 2025, and (iii) the Company's and its subsidiaries’ consolidated business operations outside the United States to be profitable for the trailing three-month period, tested quarterly beginning with the three-month period ending December 31, 2025. The Company is in compliance with the covenants in the Amended Note Purchase Agreement as of December 31, 2024.

The Company elected paid in kind interest for the year ended December 31, 2024 related to the RTW Convertible Notes.

Revenue Interest Financing, Side Letter, and PIPE Conversion Option

On February 9, 2023, Legacy Allurion entered into the Revenue Interest Financing Agreement. Pursuant to the Revenue Interest Financing, at the closing of the Business Combination, RTW paid Allurion an aggregate of $40.0 million Investment Amount. In exchange for the Investment Amount, Allurion will remit revenue interest payments on all current and future products, digital solutions and services developed, imported, manufactured, marketed, offered for sale, promoted, sold, tested or otherwise distributed by Allurion and its subsidiaries at a rate up to 6.0% of annual net sales prior to December 31, 2026. On or after January 1, 2027, the Company will remit revenue interest payments at a rate up to 10.0% of annual net sales, and it will continue to make revenue interest payments to RTW until December 31, 2030.

If RTW has not received aggregate revenue interest payments equal to at least 100% of the Investment Amount by December 31, 2027, the Company must make a cash payment in an amount sufficient to catch RTW up to 100% of the Investment Amount. If RTW has not received revenue interest payments equal to at least 240% of the Investment Amount by December 31, 2030, the Company must make a cash payment in an amount sufficient to catch RTW up to 240% of the Investment Amount. In any event, RTW shall not receive aggregated revenue interest payments in excess of 260% of the Investment Amount (the "Hard Cap"). In addition, prior to December 31, 2025, the Company may prepay a pre-specified payment amount (the "Prepayment Amount") and terminate the Revenue Interest Financing Agreement. The Prepayment Amount shall be an amount equal to 165% of the Investment Amount less the sum of all revenue interest payments made to RTW prior to such date of prepayment.

The Revenue Interest Financing is accounted for under the FVO election as the Revenue Interest Financing contains embedded derivatives, including the requirements to settle the Revenue Interest Financing prior to maturity upon the occurrence of certain contingent events and our ability to prepay the Revenue Interest Financing, which would require bifurcation and separate accounting. The Revenue Interest Financing is initially measured at its issue-date estimated fair value and subsequently remeasured at estimated fair value on a recurring basis at each reporting period date. Changes in fair value are recorded as a component of Other income (expense) in the consolidated statements of operations. A portion of the estimated change in fair value must be reported in other comprehensive loss to the extent that it is attributable to instrument-specific credit risk. In connection with the issuance of the Investment Amount, we paid $1.2 million in issuance costs in August 2023, which were directly expensed through general and administrative expenses due to the FVO election. As of December 31, 2024 the Company has made $4.2 million in royalty payments to RTW. Refer to FN 10, Fair Value Measurements, for additional information regarding the changes in fair value of the Revenue Interest Financing.

Concurrently, and in connection with the Amended Note Purchase Agreement, the Revenue Interest Financing Agreement was amended pursuant to the Omnibus Amendment (the "RIFA Amendment") by and among the Company, Allurion Opco, Allurion Australia Pty Ltd, a proprietary limited company organized under the laws of Australia and a wholly-owned subsidiary of the Company, the Original RIFA Investors (as defined therein) and RTW, on April 14, 2024. The RIFA Amendment, among other things, increased the rate of revenue interest payments to be paid to RTW on all current and future products, digital solutions and services developed, imported, manufactured, marketed, offered for sale, promoted, sold, tested or otherwise distributed by Allurion and its subsidiaries for net sales less than or equal to $100 million prior to December 31, 2026 from 6% to 12% and increased the rate on net sales in less than or equal to $100 million on or after January 1, 2027 from 10% to 12%. Additionally, the Prepayment Amount was modified such that, prior to March 31, 2026, the Company is entitled to settle the Revenue Interest Financing for a prepayment amount that would allow the investors to yield a 20% internal rate of return.

The RIFA Amendment was accounted for as a modification with the change in fair value of the PIPE Conversion Option treated as an exchange between the Company and RTW as part of the RIFA Amendment. As such, the Revenue Interest Financing and PIPE Conversion Option were remeasured as of April 16, 2024 just prior to the RIFA Amendment, to $33.0 million and $6.6 million, respectively. The Revenue Interest Financing and PIPE Conversion Option were subsequently remeasured as of April 16, 2024 under the terms of the RIFA Amendment, to $39.0 million and $4.6 million, respectively.

In connection with the Company entering into the Revenue Interest Financing, if, at any time beginning 12 months and ending 24 months following the closing of the Mergers, the VWAP per share of Allurion Common Stock is less than $176.00 for the average of 20 trading days within any 30 trading day period (“Stock Price Drop”); and the absolute value of the percentage decrease of such Stock Price Drop measured from a reference price of $250.00 per share of Allurion Common Stock is greater than the absolute value of the percentage decrease in the VWAP of a comparable publicly traded peer index as defined in the Amended and Restated RTW Side Letter over the same time period, then RTW may elect to convert up to $7.5 million of its initial PIPE subscription into additional revenue interest financing to be added to the Investment Amount by forfeiting a number of shares of Allurion Common Stock acquired in the PIPE subscription. The PIPE Conversion Option is accounted for as a derivative under ASC 815. The PIPE Conversion Option was initially measured at its issue-date estimated fair value of $3.3 million within Other liabilities on the consolidated balance sheet with corresponding recognition of expense at inception as there is no right received by the Company that meets the definition of an asset and the transaction did not involve a distribution or a dividend. The PIPE Conversion Option was subsequently remeasured at its estimated fair value on a recurring basis at each reporting period date, with a gain or loss recognized within Other income (expense).

On October 22, 2024, funds affiliated with RTW provided notice to the Company of their election of the PIPE Conversion Option under the Amended and Restated RTW Side Letter, to surrender 30,000 shares of Common Stock of the Company representing $7.5 million in consideration for an additional Revenue Interest Financing Agreement. Accordingly, on October 30, 2024, the Company and the funds affiliated with RTW entered into the additional Revenue Interest Financing Agreement (the "New RIFA"). The New RIFA has substantially identical terms and conditions as the Revenue Interest Financing Agreement except that the amount of financing provided under the New RIFA is equal to the conversion amount of $7.5 million (the "Additional Investment Amount"). The Additional Investment Amount results in proportional increases to the minimum aggregate revenue interest payments described above.

The exercise of the PIPE Conversion Option was accounted for as a settlement of the derivative liability. As such, the PIPE Conversion Option was remeasured as of October 30, 2024 just prior to conversion, to $7.4 million. The PIPE Conversion Option was subsequently reclassified as an addition to the Revenue Interest Financing liability upon conversion into the New RIFA. The New RIFA was accounted for under the FVO election, similar to the Revenue Interest Financing. As such, the New RIFA, together with the Revenue Interest Financing was remeasured as of October 30, 2024, to $48.9 million. Additionally, to account for the 30,000 forfeited shares in connection with the exercise of the PIPE Conversion Option, the total shares were valued based on the October 30, 2024 closing share price of $18.25, resulting in a $0.5 million reduction to APIC. As of December 31, 2024, the fair value of the Revenue Interest Financing and New RIFA was $49.2 million.

For the year ended December 31, 2024, the Company recorded a $13.1 million loss and a $4.4 million gain on the Revenue Interest Financing through the consolidated statements of operations and other comprehensive income (loss), respectively. The change in fair value were recorded in the Changes in fair value of Revenue Interest Financing and PIPE Conversion Option in the consolidated statement of operations.

Fair Value Measurements

The following tables present the fair value hierarchy for assets and liabilities that are measured at fair value at issuance date and on a recurring basis and indicate the level within the fair value hierarchy of the valuation techniques the Company utilized to determine such fair value (in thousands):

Fair Value Measurement as of December 31, 2024
TotalCarryingValueLevel 1Level 2Level 3
Assets:
Cash equivalents
Money market funds$11,992$11,992$—$—
Total assets$11,992$11,992$—$—
Liabilities:
Legacy Allurion Common Stock Warrant Liabilities$41$—$—$41
Public Warrants396396——
Public Offering Warrants3,630——3,630
Private Placement Warrants500——500
Revenue Interest Financing49,200——49,200
Earn-out Liability1,090——1,090
RTW Convertible Notes35,710——35,710
Success Fee Derivative Liability14——14
Total Liabilities$90,581$396$—$90,185
Fair Value Measurement as of December 31, 2023
TotalCarryingValueLevel 1Level 2Level 3
Assets:
Cash equivalents
Money market funds$30,582$30,582$—$—
Total assets$30,582$30,582$—$—
Liabilities:
Legacy Allurion Common Stock Warrant Liability$821$—$—$821
Public Warrants5,9435,943——
Revenue Interest Financing36,200——36,200
PIPE Conversion Option5,600——5,600
Earn-out Liability23,990——23,990
Term Loan Derivative Liability1,895——1,895
Success Fee Derivative Liability14——14
Total Liabilities$74,463$5,943$—$68,520

Public Warrants

As a result of the Business Combination on August 1, 2023, the Company recorded a liability for Public Warrants to purchase the Company's Common Stock. The Public Warrants are traded on the NYSE and are recorded at fair value using the closing price as of December 31, 2024 of $0.03, which is a Level 1 input.

Legacy Allurion Warrants, Public Offering Warrants, and Private Placement Warrants

The Company has classified the Legacy Allurion Common Stock Warrants, Public Offering Warrants (defined below), and Private Placement Warrants (defined below) within Level 3 of the hierarchy as the fair value is derived using the Black-Scholes option pricing model, which uses a combination of observable (Level 2) and unobservable (level 3) inputs. See table below for the assumptions used in the pricing model of the Legacy Allurion Common Stock Warrants, Public Offering Warrants, and Private Placement Warrants:

MeasurementDateInterestRateExercisePriceEstimated Fair Value of Underlying Share PriceExpectedVolatilityExpectedLife(Years)
Legacy Allurion Series C Preferred Stock warrants (as converted to Common)December 31, 20244.44%168.2510.7590%6.25
Legacy Allurion Other Common StockDecember 31, 20244.26%26.2510.7590%2.69
Legacy Allurion Series D-1 Preferred Stock warrants (as converted to Common)December 31, 20244.44%-4.5%303.5010.7590%6.25-7.71
Public Offering WarrantsDecember 31, 20244.35%30.0010.7590%4.50
Private Placement WarrantsDecember 31, 20244.35%30.0010.7590%4.50
MeasurementDateInterestRateExercisePriceEstimated Fair Value of Underlying Share PriceExpectedVolatilityExpectedLife(Years)
Legacy Allurion Series C Preferred Stock warrants (as converted to Common)December 31, 20233.88%$168.25$93.50100%7.25
Legacy Allurion Other Common StockDecember 31, 20233.95%26.2593.50100%3.69
Legacy Allurion Series D-1 Preferred Stock warrants (as converted to Common)December 31, 20233.88%303.5093.50100%7.25-8.71

Expected dividend yield for all calculations is 0.00%.

The following table reconciles the changes in fair value for the years ended December 31, 2024 and 2023 of the warrant liabilities valued using Level 3 inputs:

Preferred Stock Warrants (as converted to Common)Common Stock WarrantsPublic Offering WarrantsPrivate Placement WarrantsTotal
Balance – January 1, 2023$1,777$596——$2,373
Change in fair value(720)172——(548)
Exercise of warrants(75)———(75)
Derecognition of liability to equity(340)(589)——(929)
Balance – December 31, 2023$642$179$—$—$821
Fair value at issuance$—$—$13,157$1,670$14,827
Change in fair value(610)(170)(9,527)(1,170)(11,477)
Balance – December 31, 2024$32$9$3,630$500$4,171

2019 Term Loan Success Fee Derivative Liability

Thederivative liability for the success fee associated with Legacy Allurion's November 2019 loan and security agreement with Western Alliance Bank (the "2019 Term Loan" and such fee, the "Success Fee") was recorded at fair value as of December 31, 2024 and 2023 using the following assumptions: weighted-average probability for the likelihood of a change in control or liquidity event within four years from the initial valuation date of the derivative liability and a market-based discount rate that will increase or decrease each period based on changes in the probability in the future cash flows.

The 2023 Convertible Notes were accounted for using the FVO election. Under the FVO election, the financial instrument is initially measured at its issue-date estimated fair value and subsequently re-measured at estimated fair value on a recurring basis at each reporting period date. The fair value was measured as of August 1, 2023, just prior to the conversion of the 2023 Convertible Notes, using the share price at conversion after giving effect to the Reverse Stock Split ($176.00 per share). Upon the conversion of the 2023 Convertible Notes, the convertible note liability was derecognized.

PubCo Additional Shares Liability

The PubCo Additional Shares liability was initially recorded at fair value as of May 2, 2023 and revalued as of August 1, 2023, just prior to the close of the Business Combination, using the number of shares issued at the close of the Business Combination and after giving effect to the Reverse Stock Split of 15,508 and an estimated price of shares at settlement of $176.00. Upon the issuance of shares, the PubCo Additional Shares liability was derecognized.

Base PubCo Shares and Backstop Shares Liability

The Base PubCo Shares and Backstop Shares liability was initially recorded at fair value as of May 2, 2023 and revalued as of August 1, 2023, just prior to the close of the Business Combination, using the number of shares for each Backstop Purchaser at the close of the Business Combination and after giving effect to Reverse Stock Split of 38,000 and an estimated price of shares at settlement of $176.00. Upon the issuance of shares, the Base PubCo Shares and Backstop Shares liability was derecognized.

Revenue Interest Financing and PIPE Conversion Option

The Revenue Interest Financing was accounted for using the FVO election. Under the FVO election, the financial instrument is initially measured at its issue-date estimated fair value and subsequently remeasured at estimated fair value on a recurring basis at each reporting period date. The fair value of the Revenue Interest Financing was remeasured as of December 31, 2024 using a discounted cash flow ("DCF") method under the income approach utilizing future revenue projections and a discount rate of 21.1%.

The fair value of the PIPE Conversion Option was accounted for as a derivative under ASC 815. The instrument was measured using a Monte Carlo Simulation Method using the number of shares convertible of 42,614 and the below assumptions. Upon the exercise of the PIPE Conversion Option and resulting New RIFA on October 30, 2024, the PIPE Conversion Option was reclassified as an additional to the Revenue Interest Financing liability, and as such there is no PIPE Conversion Option liability as of December 31, 2024.

Stock Price93.5
Risk-free interest rate4.46%
Expected term (in years)1.6
Expected volatility82.5%

Earn-Out Liability

Upon the closing of the Business Combination, the Earn-Out Shares were accounted for as a liability because the triggering events that determine the number of shares to be earned included events that were not indexed to Allurion Common Stock, with the change in fair value recognized in Change in the fair value of earn-out liabilities in the consolidated statement of operations. The estimated fair value of the earn-out shares was determined using a Monte Carlo Simulation Method using the following assumptions at the following valuation dates:

December 31, 2024December 31, 2023
Stock Price10.7593.5
Risk-free interest rate4.3%3.9%
Expected term (in years)3.64.6
Expected volatility109.0%87.0%

Term Loan Derivative Liability

The Term Loan Derivative Liability associated with the Fortress Term Loan was derecognized during the second quarter of 2024 as the Fortress Loan was repaid on April 16, 2024.

The RTW Convertible Notes are accounted for using the FVO election. Under the FVO election, the financial instrument is initially measured at its issue-date estimated fair value and subsequently measured at estimated fair value on a recurring basis at each reporting period date. The fair value of the RTW Convertible Notes was remeasured as of December 31, 2024 using a DCF method under the income approach with MCSM applied to determine the simulated stock price at each payment date and event that may trigger conversion of the RTW Convertible Notes. The fair value was measured using the $48.0 million principal amount of the RTW Convertible Notes and the following assumptions:

Stock Price10.75
Risk-free interest rate4.4%
Expected term (in years)6.3
Expected volatility90.0%

The changes in the fair values of the Success Fee derivative liability, 2023 Convertible Notes, PubCo Additional Shares liability, Base PubCo Shares and Backstop Shares liability, Revenue Interest Financing, PIPE Conversion Option, Earn-out liability, Term Loan Derivative Liability, and RTW Convertible Notes categorized with Level 3 inputs for the years ended December 31, 2024 and 2023 were as follows:

Success FeeDerivative Liability2023ConvertibleNotesRevenueInterestFinancingPIPEConversionDerivativeEarn-Out LiabilityTerm Loan Derivative LiabilityRTW Convertible NotesPubCoShareLiabilityBasePubCo &BackstopShareLiabilityTotal
Balance – January 1, 2023$178$—$—$—$—$—$—$—$—$178
Fair value upon issuance—28,70040,0003,34053,0401,895—3,3703,264133,609
Change in fair value(164)3,751(3,408)2,260(29,050)——(642)10,106(17,147)
Change in fair value - OCI——700——————700
Repayments of debt—(10,750)(1,092)——————(11,842)
Derecognition of liability to equity—(21,701)—————(2,728)(13,370)(37,799)
Balance – December 31, 2023$14$—$36,200$5,600$23,990$1,895$—$—$—$67,699
Fair value upon issuance—$—————49,100——49,100
Change in fair value——13,0681,800(22,900)(1,895)(8,690)——(18,617)
Change in fair value - OCI——(4,370)———(4,700)——(9,070)
Exercise of warrants——————————
Exercise of PIPE Conversion Option——7,400(7,400)——————
Repayments of debt——(3,098)——————(3,098)
Balance – December 31, 2024$14$—$49,200$—$1,090$—$35,710$—$—$86,014

Thechange in fair value of the Success Fee derivative liability, 2023 Convertible Notes, PubCo Additional Shares liability, Base PubCo Shares and Backstop Shares liability, Revenue Interest Financing, PIPE Conversion Option, Earn-Out liability, Term Loan Derivative Liability, and RTW Convertible Notes at each period is recorded as a component of Other income (expense) in the consolidated statements of operations, with the exception of the change in fair value associated with the change in credit risk related to the Revenue Interest Financing and RTW Convertible Notes, which is recorded as a component of other comprehensive loss.

  1. Income Taxes

The components of net loss before income taxes are as follows (in thousands):

Year Ended December 31,
20242023
U.S.$(26,254)$(81,259)
Foreign824916
Loss before income taxes$(25,430)$(80,343)

The reconciliation between the effective tax rate and the statutory federal income tax rate for the years ended December 31, 2023 and 2022 is as follows:

Year Ended December 31,
20242023
U.S. statutory federal income tax rate21.0%21.0%
State income taxes, net of federal income tax benefit18.0%7.1%
Change in fair value of financial instruments37.5%3.0%
Tax credits0.4%0.4%
Valuation allowance(79.1)%(30.5)%
Non-deductible expenses(1.5)%(0.9)%
Other0.8%(0.4)%
Effective tax rate(2.9)%(0.3)%

Significant components of the Company’s deferred tax assets are as follows (in thousands):

December 31,
20242023
U.S. federal and state net operating loss carryforwards$49,591$36,092
Capitalized start-up and research and development expenses13,36210,868
Research and development tax credits2,4362,275
Interest expense6,6393,918
Lease liability485659
Depreciation151203
Bad debt reserve1,8313,461
Accrued costs5,4562,075
Other temporary differences1,87070
Total deferred tax assets81,82159,621
Valuation allowance(77,750)(57,985)
Net deferred tax assets4,0711,636
Right of use asset(451)(623)
Other deferred tax liability(66)(1,013)
Convertible debt(3,358)—
Total deferred tax liabilities(3,875)(1,636)
Net deferred tax asset$196$—

The Company recorded income tax expense of $0.7 million during the year ended December 31, 2024 due to foreign operating income. The Company recorded $0.3 million of income tax expense during the year ended December 31, 2023. The Company maintains a valuation allowance for the full amount of the net United States deferred tax assets, as the realization of the deferred tax assets is not determined to be more likely than not. The valuation allowance increased for the years ended December 31, 2024 and 2023 by approximately $19.8 million and $24.5 million, respectively, due to an increase in deferred tax assets having a full valuation allowance primarily due to the operating losses incurred, capitalized research and development expenses and tax credits generated.

As of December 31, 2024, the Company had $181.5 million and $181.6 million of federal and state NOL carryforwards, respectively. Of the federal NOL carryforwards, $12.8 million expire between 2030 and 2037 and $168.7 million do not expire. The state NOL carryforwards expire between 2030 and 2044. As of December 31, 2024, the Company had $1.6 million and $1.0 million of federal and state research and development tax credits, which expire beginning in 2031 and 2028, respectively.

Changes to the Company’s valuation allowance are as follows (in thousands):

Year Ended December 31,
20242023
Beginning balances$57,985$33,484
Additions charged to net loss19,76524,501
Ending balances$77,750$57,985

Realization of the future tax benefits from these assets is dependent on many factors, including the Company’s ability to generate taxable income within the net operating loss carryforward period. Under the provisions of the Internal Revenue Code, certain substantial changes in the Company’s ownership, including a sale of the Company or significant changes in ownership due to sales of equity, may have limited, or may limit in the future, the amount of net operating loss and research and development credit carryforwards that could be used annually to offset future taxable income. The Company has not completed a study to assess whether a change of control has occurred or whether there have been multiple changes of control since the Company’s formation due to the significant complexity and cost associated with such study and because there could be additional changes in control in the future. As a result, the Company is not able to estimate the effect of the change in control, if any, on the Company’s ability to utilize net operating loss and research and development credit carryforwards in the future.

The Company is subject to US federal income tax, state income tax in Massachusetts, and income tax in certain foreign jurisdictions. The Company’s historical income taxes in foreign jurisdictions have been immaterial to the consolidated financial statements. The Company is not currently under examination by the Internal Revenue Service (“IRS”) or any other jurisdictions for any tax years; however, all tax years since inception remain open to examination by the major taxing jurisdictions to which the Company is subject, as carryforward attributes generated in years past may still be adjusted upon examination by the U.S. IRS or other authorities if they have, or will be, used in a future period.

As of December 31, 2024 and 2023, the unremitted earnings of the Company’s foreign subsidiaries are immaterial.

Interpretive guidance on the accounting for global intangible low-taxed income (“GILTI”) states that an entity can make an accounting policy election to either recognize deferred taxes for temporary basis differences expected to reverse as GILTI in future years or provide for the tax expense related to GILTI in the year the tax is incurred as a period expense. The Company made the accounting policy election to recognize GILTI as a period expense.

As of December 31, 2024 and 2023, the Company hasnot recorded a tax liability for any uncertain tax positions. Interest and penalties associated with uncertain tax positions are recorded as a component of income tax expense. There areno accrued interest and penalties as of December 31, 2024 and 2023.

  1. Redeemable Convertible Preferred Stock and Stockholders' Deficit

Preferred Equity

On June 28, 2024, the Company entered into a subscription agreement (the “Subscription Agreement”) with RTW, pursuant to which the Company agreed to sell to RTW 2,260,159 shares of a newly created series of preferred stock, the Series A non-voting convertible preferred stock, par value $0.0001 per share (“Series A Preferred Stock”) and 90,407 private placement warrants (“Private Placement Warrants”) to purchase common stock, equal to the per share Public Offering (defined below) price for the shares of common stock and Public Offering Warrants (defined below) in the Public Offering (the “Private Placement”). The Private Placement closed on July 1, 2024 with net proceeds received of $2.5 million after deducting offering costs of $0.2 million.

The Private Placement Warrants met the definition of a derivative under ASC 815. The gross proceeds from the Private Placement were first allocated to the Private Placement Warrants based on its issue-date estimated fair value of $1.7 million. The Private Placement Warrants are subsequently remeasured at their estimated fair value on a recurring basis at each reporting period date, with a gain or loss recognized within Other income (expense). The remaining gross proceeds of $1.0 million were allocated to the Series A Preferred Stock. Of the $0.2 million in offering costs, $0.1 million was recorded against the Series A Preferred Stock as a reduction of proceeds and $0.1 million was expensed as general and administrative expenses in the consolidated statement of operations and comprehensive loss.

On December 19, 2024, following the Series A Stockholder Approval (as defined below) and after giving effect to the Reverse Stock Split, the 2,260,159 shares of Series A Preferred Stock were converted to 90,407 shares of Common Stock.

The Allurion certificate of incorporation authorizes the issuance of up to 100,000,000 shares of Allurion preferred stock. As of December 31, 2024, no shares of Allurion preferred stock were outstanding. The rights and preferences of the Series A Preferred Shares were as follows:

Voting Rights

The Series A Preferred Stockholders haveno voting rights.

Dividend Rights

The Series A Preferred Stock participates in dividends with Common Stock on an as-converted basis when declared by the Board of Directors. No dividends were declared through December 31, 2024.

Liquidation Preference

In the event of any voluntary or involuntary liquidation, dissolution, or winding-up of the Company, payment shall be made to the holders of shares of Series A Preferred Stock on a pari passu basis with all holders of Common Stock. Each Series A Preferred Stock holder shall be entitled to receive out of the assets, whether capital or surplus, of the Company the same amount that a holder of Common Stock would receive if such holder’s Series A Convertible Preferred Stock were fully converted to Common Stock plus an additional amount equal to any dividends declared but unpaid to such share.

Conversion Rights

Each share of Series A Preferred Stock is convertible after the date that the Company’s stockholders approve the conversion of the Series A Preferred Stock into shares of Common Stock in accordance with the listing rules of the NYSE (the “Series A Stockholder Approval”). Upon the Series A Stockholder Approval, each share of Series A Preferred Stock then outstanding shall automatically convert into (i) a number of shares of Common Stock equal to the number of Series A Preferred Stock outstanding at the time of conversion, adjustable for certain dilutive events, and (ii) pre-funded conversion warrants in the form agreed by the holder and the Company, exercisable for a number of shares of Common Stock equal to the number of Series A Preferred Stock outstanding at the time of conversion, adjustable for certain dilutive events. The Series A Stockholder Approval was received on December 19, 2024.

Redemption

Each share of Series A Preferred Stock outstanding on December 31, 2026 (the “Redemption Date”) shall be automatically redeemed by the Company for cash at a redemption price equal to the volume-weighted average price per share of the Common Stock on the NYSE during the twenty consecutive trading day period ending and including the trading day immediately preceding the Redemption Date (the “Redemption Price”). The Series A Preferred Stock is redeemable at a determinable price (the Redemption Price) on a fixed date (the Redemption Date), which results in mezzanine equity classification (outside of permanent equity) on the Company’s consolidated balance sheet.

Common Equity

The Allurion certificate of incorporation authorizes the issuance of up to 1,000,000,000 shares of Allurion Common Stock. As of December 31, 2024 and 2023,2,710,607 and 1,907,529 shares of common stock were outstanding, respectively, after retrospectively adjusting for the effect of the Reverse Stock Split.

On June 28, 2024, the Company entered into an underwriting agreement (the “Underwriting Agreement”) with Jefferies LLC and TD Securities (USA) LLC, as representative of the several underwriters (the “Underwriters”), pursuant to which the Company agreed to issue and sell 576,261 shares of the Company’s Common Stock and warrants (“Public Offering Warrants”) to purchase up to 576,261 shares of the Company’s Common Stock at an offering price of $30.00 per share and accompanying warrant (the “Public Offering”). The Public Offering closed on July 1, 2024 with net proceeds received of $15.2 million after deducting underwriting discounts of $1.0 million and offering costs of $1.0 million. The Underwriters fully exercised their option for additional Public Offering Warrants, with 86,440 additional Public Offering Warrants issued at closing, for a total of 662,701 Public Offering Warrants. Further, the Underwriters exercised a portion of the option with respect to the Common Stock (the “Share Overallotment”) on July 5, 2024 for net proceeds of $2.2 million, which resulted in the issuance of 77,091 shares of the Company’s Common Stock at an offering price of $30.00 per share.

The Public Offering Warrants met the definition of a derivative under ASC 815 and the Share Overallotment met the requirements for equity classification under ASC 815. The $17.4 million in net proceeds from the Public Offering and exercise of the Share Overallotment were first allocated to the Public Offering Warrants based on their issue-date estimated fair value of $13.2 million. The Public Offering Warrants are subsequently remeasured at their estimated fair value on a recurring basis at each reporting period date, with a gain or loss recognized within Other income (expense). The $0.8 million offerings costs allocated to the Public Offering Warrants were expensed as general and administrative expenses in the consolidated statement of operations and comprehensive loss. The remaining net proceeds of $5.1 million were allocated to Common Stock and APIC.

The number of shares of Common Stock that have been reserved for issuance upon the potential conversion or exercise, as applicable, of the Company's securities as of December 31, 2024, is as follows:

Outstanding options to purchase Common Stock265,772
Restricted Stock Units104,500
Warrants to purchase Common Stock767,697
Shares of Common Stock issued upon the exercise of Public Warrants750,383
Earn-Out shares360,000
Convertible Notes2,532,336
Total4,780,688

Warrants to Purchase Common Stock

In connection with the closing of the Business Combination, all outstanding warrants to purchase Legacy Allurion preferred stock and Legacy Allurion common stock were converted into Rollover Warrants to purchase Allurion Common Stock using the Exchange Ratio. As of December 31, 2024, there were 14,589 Rollover Warrants outstanding to purchase Common Stock. Upon the closing of the Business Combination, certain Legacy Allurion preferred stock and Legacy Allurion common stock warrants that were converted into Rollover Warrants were determined to be equity classified.

In connection with the Public Offering and Private Placement, we issued the Public Offering Warrants and Private Placement Warrants. As of December 31, 2024, there were 662,701 Public Offering Warrants and 90,407 Private Placement Warrants outstanding to purchase Common Stock.

December 31, 2024
Issuance DateRemainingContractual Term(in years)Underlying Equity InstrumentBalance SheetClassificationShares IssuableUpon Exerciseof WarrantWeightedAverage ExercisePrice
12/1/2014-0.1Common stockEquity209$61.00
3/30/20216.2Common stockLiability5,203168.25
9/15/20227.7Common stockLiability1,810303.50
6/4/20227.4Common stockLiability1,810303.50
1/17/20172.0Common stockEquity2,9340.50
8/3/20172.6Common stockEquity39228.25
9/8/20172.7Common stockLiability1,15126.25
6/19/20183.5Common stockLiability72026.25
6/25/20194.5Common stockLiability36026.25
7/1/20244.5Common stockLiability753,10830.00
December 31, 2023
Issuance DateRemainingContractual Term(in years)Underlying Equity InstrumentBalance SheetClassificationShares IssuableUpon Exerciseof WarrantWeightedAverage ExercisePrice
12/1/20140.9Common stockEquity1,771$61.00
3/30/20217.2Common stockLiability5,203168.25
9/15/20228.7Common stockLiability1,810303.50
6/4/20228.4Common stockLiability1,810303.50
1/17/20173.0Common stockEquity2,9340.50
8/3/20173.6Common stockEquity39228.25
9/8/20173.7Common stockLiability1,15126.25
6/19/20184.5Common stockLiability72026.25
6/25/20195.5Common stockLiability36026.25

In Compute Health's initial public offering, it sold units at a price of $10.00 per unit, which consisted ofone share of Class A Common Stock, $0.0001 par value, of Compute Health ("Class A Common Stock") andone-half ofa redeemable warrant (each a

"Public Warrant") that entitled the holders the right to purchaseone share of Class A Common Stock of CPUH at a price of $11.50 per share. On July 26, 2023, Compute Health's Public Warrant holders approved an amendment (the “Warrant Amendment”) to the warrant agreement that governed all Compute Health’s Public Warrants. Per the terms of the Warrant Amendment, upon completion of the Business Combination, each of the outstanding Compute Health Public Warrants became exercisable for 0.056818 shares of the Company’s Common Stock, par value $0.0001 per share, at an exercise price of $202.50 per share and each Compute Health Public Warrant was exchanged for 0.6125 (prior to giving effect to the Reverse Stock Split) Allurion Public Warrants in the Business Combination. The Public Warrants will expire August 1, 2030, seven years after the completion of the Business Combination, or earlier upon redemption or liquidation.

The Company may redeem the outstanding Public Warrants for cash at a price of $0.25 per Public Warrant at any time commencing 90 days after the completion of the Business Combination, and provided that the last sales price of the Company’s Common Stock equals or exceeds $316.75 per share of any 20 trading days within a 30-day trading period ending on the third trading day prior to the date on which notice of redemption is given.

The Company may redeem the outstanding Public Warrants for shares of our Common Stock at a price of $2.50 per Public Warrant at any time commencing 90 days after the completion of the Business Combination, and provided that the last sales price of the Company’s Common Stock equals or exceeds $176.00 per share of any 20 trading days within a 30-day trading period ending on the third trading day prior to the date on which notice of redemption is given. Holders of the Public Warrants will be able to exercise their warrants on a cashless basis prior to redemption and receive that number of shares based on the redemption date and the fair market value (the “Redemption Fair Market Value”) of the shares of the Company's Common Stock. The Redemption Fair Market Value is determined based on the volume weighted average price of the Company’s Common Stock for the ten trading days immediately following the date on which notice of redemption is sent to the holders. As of December 31, 2024, the Company has not redeemed any of the outstanding Public Warrants. As of December 31, 2024, there were 13,206,720 outstanding Public Warrants exercisable for 750,383 shares of Allurion Common Stock.

Chardan Equity Facility

On December 18, 2023, we entered into a ChEF Purchase Agreement (the "Purchase Agreement") and a Registration Rights Agreement, each with Chardan Capital Markets ("Chardan") related to a "ChEF," Chardan's committed equity facility (the "Chardan Equity Facility"). Pursuant to the Purchase Agreement, the Company has the right from time to time at its option to sell to Chardan up to the lesser of (i) $100,000,000 in aggregate gross purchase price of newly issued shares of the Company's Common Stock, and (ii)379,299 shares of Common Stock, which number of shares is equal to 19.99% of the shares of the Common Stock outstanding immediately prior to the execution of the Purchase Agreement (the "Exchange Cap"). In consideration for Chardan’s entry into the Purchase Agreement, Allurion agreed to issue to Chardan 1,421 shares of Allurion Common Stock (the "Commitment Shares"). The Company recorded $0.1 million to additional paid-in capital and $0.1 million of expense in connection with the issuance of the Commitment Shares. The Company expensed an additional $0.1 million related to a non-refundable structuring fee (the "Structuring Fee") immediately following commencement. As of December 31, 2024, the Company had sold 75,618 shares of Common Stock to Chardan at a purchase price of $1.0 million in connection with the Purchase Agreement.

Net Loss per Share

Basic and diluted net loss per share was calculated as follows:

Year Ended December 31,
20242023
Numerator:
Net loss (in thousands)$(26,148)$(80,607)
Cumulative undeclared dividends to participating securities (Legacy Series D convertible preferred stock)—(1,697)
Net loss attributable to common stockholders$(26,148)$(82,304)
Denominator:
Basic and diluted weighted-average common stock outstanding2,247,1641,423,275
Net loss per share attributable to common stockholders, basic and diluted$(11.64)$(57.83)

The Company’s potentially dilutive securities have been excluded from the computation of diluted net loss per share as the effect would be to reduce the net loss per share. Therefore, the weighted average number of common shares outstanding used to calculate both basic and diluted net loss per share attributable to common stockholders is the same. The Company excluded the following potential common shares, presented based on amounts outstanding at each period end, from the computation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have had an anti-dilutive effect:

Year Ended December 31,
20242023
Outstanding options to purchase Common Stock265,772155,441
Restricted Stock Units104,50025,745
Warrants to purchase Common Stock767,69716,151
Shares of Common Stock issued upon the exercise of Public Warrants750,383750,394
Earn-Out Shares360,000360,000
Convertible notes (as converted to common stock)2,532,336—
Total4,780,6881,307,731

Stock Based Compensation

Stock Incentive Plans

The Company’s 2010 Stock Option Plan (the “2010 Plan”) provided for the grant of qualified incentive stock options, nonqualified stock options, and other awards to the Company’s employees, officers, directors, advisors, and outside consultants to purchase the Company’s Common Stock. On December 11, 2020, the Company’s Board of Directors adopted the 2020 Stock Option Plan (the “2020 Plan”), which provided for the grant of qualified incentive stock options, nonqualified stock options, and other awards to the Company’s employees, officers, directors, advisors, and outside consultants to purchase the Company’s Common Stock. Each stock option from the 2010 Plan and the 2020 Plan that was outstanding immediately prior to the Business Combination, whether vested or unvested, was canceled and exchanged for a stock option to purchase Allurion Common Stock based on the Exchange Ratio. The per share exercise price for each stock option was divided by the Exchange Ratio.

In connection with the closing of the Business Combination, the Company adopted the 2023 Stock Option and Incentive Plan (the "2023 Plan"), which provides for the award of stock options (both incentive and non-qualified), stock appreciation rights, restricted stock units, restricted stock awards, cash-based awards, and dividend equivalent rights. As of December 31, 2024, a total of 242,752 shares of Allurion Common Stock were reserved for issuance under the 2023 Plan. The 2023 Plan provides that the number of shares reserved for issuance under the 2023 Plan will automatically increase each January 1, beginning January 1, 2024 and ending January 1, 2033, by 5% of the number of fully diluted outstanding shares of Allurion Common Stock as of the immediately preceding December 31 or such lesser amount as determined by the Board and the Compensation Committee.

As of December 31, 2024, 370,272 options and RSUs were issued and outstanding under the 2010 Plan, 2020 Plan, and 2023 Plan. As of December 31, 2023,181,186 options and RSUs were issued and outstanding under the 2010 Plan, 2020 Plan, and 2023 Plan. The stock options generally vest over afour-year period and expire 10 years from the date of grant.

Stock-based compensation expense included in the consolidated statement of operations and comprehensive loss was as follows:

Year Ended December 31,
20242023
Cost of revenue$30$32
Selling, general, and administrative2,8828,198
Research and development144127
Total stock-based compensation expense$3,056$8,357

Stock Options

The following tables summarizes the option activity under the 2010 Plan, 2020 Plan, and the 2023 Plan during the year ended December 31, 2024:

Number ofOptionsWeightedAverage ExercisePriceWeightedAverageRemainingContractualTermAggregateIntrinsicValue
(per option) · (in years) · (in thousands)
Outstanding—January 1, 2024155,441$66.756.9$5,565
Granted147,51546.52
Cancellations and forfeitures(36,535)48.34
Exercised(649)34.26
Outstanding— December 31, 2024265,77258.197.4—
Exercisable at December 31, 2024120,965$62.915.4$—

Total stock compensation expense related to stock option awards during the year ended December 31, 2024 was $1.9 million. As of December 31, 2024, there was approximately$4.4 million of unrecognized compensation costs related to unvested stock options granted under the 2010 Plan, 2020 Plan, and 2023 Plan, which is expected to be recognized over a weighted-average vesting term of 2.9 years. The weighted average grant-date fair value of the stock option awards granted during the years ended December 31, 2024 and 2023 was $32.46 and $99.50 per option, respectively.

The fair value of each option award is estimated on the date of grant using the Black-Scholes option-pricing model and the assumptions noted in the table below. Expected volatility for the Company’s Common Stock was determined based on an average of the historical volatility of a peer group of public companies which are similar to the Company. The expected term of options granted to employees was calculated using the simplified method, which represents the average of the contractual term of the option and the weighted- average vesting period of the option. The Company uses the simplified method because it does not have sufficient historical option exercise data to provide a reasonable basis upon which to estimate expected term. The expected term of options granted to non-employees is the remaining contractual term of the award. The assumed dividend yield is based upon the Company’s expectation of not paying dividends in the foreseeable future. The risk-free rate for periods within the expected life of the option is based upon the U.S. Treasury yield curve in effect at the time of grant.

The assumptions used in the Black-Scholes option-pricing model are as follows:

Year Ended December 31,
20242023
Expected volatility71.2%85.8%
Risk-free interest rate4.4%4.5%
Expected dividend yield—%—%
Expected term (in years)6.15.8

Restricted Stock Units

In December 2022, the Company issued RSUs under the 2020 Plan to a member of the Board of Directors with vesting subject to both a performance-based closing condition dependent on the successful Business Combination with Compute Health and time-based vesting conditions. See Note 3, Business Combination above for information about the closing of the Business Combination with Compute Health. Upon the satisfaction of the closing condition,62.5% of the RSUs awarded vested. Thereafter, the remaining 37.5% of the RSUs vest monthly over a period oftwo years. In October 2023 and March 2024, the Company issued additional RSUs to Board of Director members with annual vesting over three years. In November 2024, additional RSUs were issued with annual vesting over two years. All RSUs are subject to forfeiture if the grantee’s continuous service relationship as a member of the Board of Directors or employee of the Company terminates prior to vesting. The following table summarizes the restricted stock unit activity under the 2020 Plan and 2023 Plan during the year ended December 31, 2024:

Number of RSUsWeightedAverage GrantDate Fair Value
(per share)
Outstanding—January 1, 202425,745$111.25
Granted91,79519.98
Cancellations and forfeitures——
Vested(13,040)111.65
Outstanding—December 31, 2024104,500$30.99

Total stock compensation expense related to RSUs for the year ended December 31, 2024 was $1.2 million. As of December 31, 2024, there were $2.3 million of unrecognized compensation costs related to nonvested RSUs granted under the 2020 Plan and 2023 Plan, which is expected to be recognized over a remaining weighted-average vesting term of 1.9 years. The weighted average grant-date fair value of time-vested restricted stock units granted during the years ended December 31, 2024 and 2023 was $19.98 and $108.00 per share, respectively.

Employee Stock Purchase Plan

In connection with the closing of the Business Combination, the Company adopted the 2023 Employee Stock Purchase Plan (the "2023 ESPP"). Under the 2023 ESPP plan, substantially all employees may voluntarily enroll to purchase the Company's Common Stock through payroll deductions at a price equal to 85% of the lower of the fair market values of the stock as of the beginning or end of the offering period. An employee's payroll deductions under the 2023 ESPP are limited to 15% of the employee's compensation.

A total of 85,446 shares of the Company's Common Stock are reserved and authorized for issuance under the 2023 ESPP as of December 31, 2024. In addition, the number of shares of Common Stock available for issuance under the 2023 ESPP will automatically increase each January 1, beginning on January 1, 2024 and each January thereafter, by the lesser of (i)1% of the fully diluted outstanding shares of our Common Stock as of the immediately preceding December 31, (ii)64,000 shares of our Common Stock, or (iii) such lesser number of shares determined by the administrator of the 2023 ESPP. As of December 31, 2024, no shares have been issued under the 2023 ESPP.

  1. Employee Benefit Plan

The Company has a 401(k) retirement plan that covers eligible U.S. employees. Eligible employees may elect to contribute up to the maximum limits, as set by the Internal Revenue Service, of their eligible compensation. The Company may elect to make a discretionary contribution or match a discretionary percentage of employee contributions. During the years ended December 31, 2024 and 2023, the Company’s matching contributions to the plan were less than $0.1 million and$0.1 million respectively.

Commitments and Contingencies

Leases

With respect to contracts involving the use of assets, if the Company has the right to direct the use of the asset and obtain substantially all economic benefits from the use of an asset, it accounts for the service contract as a lease.

In February 2023 and August 2023, the Company executed amendments to three of its leases in Natick, Massachusetts and its Hudson, Massachusetts lease, respectively. The amendments were accounted for as a modification of the existing lease agreements, with impacts to the lease term, lease payments, and related lease liability for each of the four leases. As a result of these amendments, the leases in Natick and Hudson will now expire between March 2025 and March 2028, and additional operating lease assets obtained in exchange for lease obligations were $0.9 million. In April 2024, the Company executed an amendment to one of its leases in Natick, Massachusetts. The amendment was accounted for as a modification of the existing lease agreement, with impacts to the lease term, lease payments, and related lease liability for the lease. As a result of this amendment, the lease in Natick will now expire in March 2025 and additional operating lease assets obtained in exchange for lease obligations were less than $0.1 million. In February 2024, the Company terminated one of its leases in Paris, France.

As of December 31, 2024, the Company was a party to six different leases for office, manufacturing, and laboratory space under non-cancelable office leases in three cities. These leases total approximately 51,000 square feet and will expire between March 2025 and March 2028. The Company has aright to extend certain of these leases for periods between three andfive years. Under its real property leases, the Company pays base rent and a proportional share of operating expenses. Such operating expenses are subject to annual adjustment and are accounted for as variable payments in the period in which they are incurred. The Company also holds immaterial leases related to vehicles and office equipment.

The components of right -of-use ("ROU") assets and lease liabilities are included in the consolidated balance sheets. The short-term portion of the Company's operating lease liability is recorded as part of Accrued expenses and other current liabilities on the consolidated balance sheets.

Aggregate Lease Information

Other pertinent lease information for the years ended December 31, 2024 and 2023 is as follows (in thousands):

December 31, 2024December 31, 2023
Operating lease costs$1,051$1,123
Short-term lease costs3012
Variable operating lease costs240187
Operating cash flows paid for amounts in the measurement of lease liabilities1,0781,084
Operating lease assets obtained in exchange for lease obligations15936

Future commitments under non-cancelable operating lease agreements as of December 31, 2024 are as follows (in thousands):

2025$1,036
2026725
2027638
2028108
Total lease payments$2,507
Less: present value adjustment(294)
Present value of total lease liabilities2,213
Less: current lease liability(869)
Long-term lease liabilities$1,344

The weighted-average remaining lease terms and discount rates related to our leases were as follows:

December 31, 2024December 31, 2023
Weighted -average remaining lease term (in years)2.73.5
Weighted-average discount rate9.9%9.9%

Product Liability

The Company has not received any material product liability claims. Notwithstanding this, the Company has obtained insurance related to potential product liability claims.

Litigation and Claims

In the normal course of operations, the Company may become involved in various claims and legal proceedings related to, for example, the validity or scope of its intellectual property rights, employee-related matters, securities class action, or adverse patient reactions. Additionally, during the normal course of business, the Company may be a party to legal claims that may not be covered by insurance. As of December 31, 2024 and 2023, the Company hasnot recorded accruals for probable losses related to any existing or pending litigation or claims as the Company’s management has determined that there are no matters where a potential loss is probable and reasonably estimable. The Company does not believe that any existing or pending claims would have a material impact on the Company’s consolidated financial statements.

French Regulatory Decision

On August 6, 2024, it was announced that the Agence Nationale de Sécurité du Médicament (“ANSM”), the French regulatory authority, had suspended sales of the Allurion Balloon in France, and the Company withdrew the device from the French market. The Company has implemented a remediation plan to reduce certain risks associated with the advertising, follow-up program, and adverse events for the Allurion Balloon. For the year ended December 31, 2024, the Company recognized a reduction to revenues of $1.2 million for customer returns of the Allurion Balloon, and no sales to France during the second half of 2024. On February 13, 2025, ANSM cleared us to resume sales, effective immediately.

NYSE Continued Listing Standards

On August 29, 2024, we received a notice from the NYSE notifying us that as of August 29, 2024, we were not in compliance with the continued listing standard set forth in Section 802.01B of the NYSE’s Listed Company Manual (the “Minimum Market Capitalization Standard”) because our average market capitalization was less than $50.0 million over the consecutive 30 period ended August 29, 2024 and our last reported stockholders’ equity as of August 29, 2024 was less than $50.0 million. In accordance with applicable NYSE procedures, within 45 days of receipt of the notice, we submitted a plan to the NYSE advising it of outlining measures that would bring us into conformity with the Minimum Market Capitalization Standard within 18 months of receipt of the notice (the “Cure Period”). We submitted a business plan to the NYSE demonstrating our ability to regain compliance with the NYSE’s rules, which the NYSE has accepted, and as a result we are subject to quarterly monitoring for compliance with the business plan and our common stock will continue to trade on the NYSE during the Cure Period, subject to our compliance with other NYSE continued listing requirements.

Segment Information

Segment reporting is prepared on the same basis that the Company'schief executive officer, who is our chief operating decision maker (“CODM”), manages the business, makes operating decisions, and assesses performance. The Company operates inone segment. We have selected net income (loss) as our reported measure of profit or loss because it is regularly provided to our CODM, allows our CODM to make decisions on resource allocations, and allows our CODM to assess performance of the business. Disclosures about significant segment expenses and long-lived assets by geography are presented below. Refer to Note 4, Revenue, for information on revenue by geography.

Significant segment expenses are set forth in the following table (in thousands):

Year Ended December 31,
20242023
Revenue$32,110$53,467
Cost of revenue10,60711,970
Gross profit21,50341,497
Operating expenses:
Sales and marketing25,93346,857
Clinical trials and medical affairs9,45515,700
Product development3,1904,477
Digital2,3794,451
Quality and regulatory2,3453,066
General and administrative28,39946,024
Total operating expenses:71,701120,575
Loss from operations(50,198)(79,078)
Other segment items (1)24,050(1,529)
Net loss(26,148)(80,607)

(1) Other segment items included in Net loss primarily include changes in fair value of warrant liabilities, changes in fair value of debt, changes in fair value of the Revenue Interest Financing, loss on extinguishment of debt, interest expense, and other income.

Long-lived assets, consisting of property and equipment, net and ROU assets by geography were as follows (in thousands):

December 31,
20242023
United States$3,929$5,381
France6191,010
All other countries——
Long-lived assets$4,548$6,391
  1. Related-party Transactions

Lease Agreement with Related Party

In August 2022, the Company entered into an operating lease agreement for additional office space in Paris, France with LNMP JPBC Invest. The Company’s then-Trade Marketing Director was the signor of this lease for LNMP JPBS Invest. Additionally, the Company’s former Chief Commercial Officer is also a partner of LNMP JPBC Invest. The lease agreement included lease payments of approximately $0.1 million per year. The lease commenced August 1, 2022 through July 31, 2025. The Company concluded that the commercial terms of the lease agreement were competitive, at the current market rate and conducted at arm’s-length. This lease was terminated in February 2024.

Consulting Agreements with KKG Enterprises, LLC and Remus Group Management, LLC

In the first quarter of 2023, Allurion entered into consulting agreements with KKG Enterprises, LLC (“KKG Enterprises”) and Remus Group Management, LLC (“Remus Group Management”) to assist Allurion in building out its AI platform, augment its AI advisory board, and provide advisory services related to the Business Combination. These agreements were tied to Allurion Board-related work by Krishna Gupta, who is a director of Allurion, CEO of Remus Group Management, principal at KKG Enterprises, and affiliated with Romulus Capital, a stockholder of Allurion. The agreements included payments of $0.2 million to KKG Enterprises and $0.3 million to Remus Group Management as board compensation to Krishna Gupta. These agreements were terminated on June 20, 2023.

Convertible Note with Hunter Ventures Limited

On February 15, 2023, Allurion sold $13.0 million of 2023 Convertible Notes to HVL and entered into a Side Letter with HVL, who is a limited partner of Romulus Growth Allurion L.P., which is a fund affiliated with Krishna Gupta (a director of Allurion; in addition, entities affiliated with him hold more than 5% of our outstanding Common Stock). Refer to Note 8, Debt for additional information regarding the 2023 Convertible Notes.

Consulting Agreement with Related Party

In September 2023, Allurion France, a French société par actions simplifiée and wholly-owned subsidiary of Allurion ("Allurion France"), entered into a new corporate officer agreement with the Company's then-Chief Commercial Officer and Benoit Chardon Consulting, a French société à responsabilité limitée which is solely owned by Mr. Chardon ("BCC"), pursuant to which BCC agreed to serve as Managing Director of Allurion France. The corporate officer agreement provided that BCC would receive base consulting fees of €28,333.33 per month and additional variable compensation subject to the incentive plan terms issued annually by Allurion and conditional on meeting Allurion France and personal performance attainment defined each year by Allurion. This agreement was terminated on December 12, 2023 by virtue of the termination agreement described below, effective December 31, 2023.

Termination Agreement with Related Party

On December 12, 2023, Allurion France, a French société par actions simplifiée and wholly-owned subsidiary of Allurion, entered into a termination agreement with the Company's Chief Commercial Officer, Benoit Chardon and BCC. Pursuant to the termination agreement, the parties agreed to terminate the corporate officer agreement as of December 31, 2023 and BCC resigned from its duties as managing director of Allurion France effective December 31, 2023. Allurion paid BCC all amounts due to it under the corporate officer agreement through December 31, 2023. In addition, Allurion paid BCC a lump-sum termination fee of $0.2 million.

Convertible Note Agreement with RTW

Pursuant to the Amended Note Purchase Agreement, on April 16, 2024, we issued and sold $48.0 million aggregate principal amount of convertible notes to RTW. RTW holds more than 5% of our outstanding Common Stock, has the right to designate an independent director nominee to be elected by our stockholders, is entitled to designate one representative to serve as a non-voting observer on our Board, and has the right to approve an additional director nominee for election. In September 2024, we expanded our Board and appointed a new director in satisfaction of certain of these obligations to RTW as set forth in the Amended Note Purchase Agreement. Refer to Note 8, Debt, for additional information regarding the RTW Convertible Notes.

RTW Participation in Public Offering

In connection with the Public Offering, the Company issued and sold 9,594 shares of Common Stock and accompanying warrants to funds affiliated with RTW, for an aggregate purchase price of approximately $0.3 million. The Public Offering closed on July 1, 2024.

Private Placement with RTW

On June 28, 2024, pursuant to the Subscription Agreement, the Company agreed to sell to RTW 2,260,159 shares of Series A Preferred Stock (as converted to 90,407 sharesof Common Stock on December 19, 2024 following the Series A Stockholder Approval andafter giving effect to the Reverse Stock Split), and 90,407 Private Placement Warrants, for an aggregate purchase price of approximately $2.7 million. The Private Placement closed on July 1, 2024.

Exercise of PIPE Conversion Option and New RIFA with RTW

On October 22, 2024, funds affiliated with RTW provided notice to the Company of their election of the PIPE Conversion Option under the Amended and Restated RTW Side Letter, to surrender 30,000 shares of Common Stock of the Company representing $7.5 million in consideration for an additional Revenue Interest Financing Agreement. Accordingly, on October 30, 2024, the Company and the funds affiliated with RTW entered into the New RIFA. The New RIFA has substantially identical terms and conditions as the Revenue Interest Financing Agreement except that the amount of financing provided under the New RIFA is equal to the conversion amount of $7.5 million.

  1. Subsequent Events

Amendment to Amended Note Purchase Agreement, RIFA Amendment, and New RIFA

On January 7, 2025, the Company and Allurion Technologies, LLC ("Allurion OpCo") entered into an Omnibus Amendment (the “Omnibus Amendment”) with Allurion Australia Pty Ltd, Allurion France, and RTW to amend the Amended Note Purchase Agreement, the RIFA Amendment, and the New RIFA.

The Omnibus Amendment requires, among other things, (i) the Company and Allurion OpCo to maintain certain minimum balances of unrestricted cash in controlled accounts in the U.S. in the amounts corresponding to the calculations set forth therein, and (ii) the Company to receive minimum trailing twelve-month consolidated Revenue (as defined in the Amended Note Purchase Agreement) in amounts set forth therein, tested quarterly beginning with the twelve-month period ending September 30, 2025. The Omnibus Amendment also requires that (i) Allurion France shall have successfully regained marketing authorization from ANSM in France on or prior to December 31, 2025 and (ii) Allurion OpCo shall have received Marketing Authorization from the U.S. Food & Drug Administration for the Commercialization of the Product in the United States no later than June 30, 2026.

Pursuant to the Omnibus Amendment, the Investors and the Purchasers will receive a number of shares of the Company’s Common Stock, representing in the aggregate five percent (5%) of the fully-diluted shares outstanding immediately after the closing of the offering and sale of Additional Shares (as defined in the Existing Documents) to be consummated no later than February 15, 2025, in connection with which the Company shall have raised at least $12,000,000 aggregate net proceeds (the “Amendment Fee”); provided that, in the event the Company cannot issue shares of Common Stock to the investors and the purchasers due to applicable law or NYSE listing rules, the Company will instead issue an equivalent (as-converted) number of shares of a newly created series of Series A-1 non-voting preferred stock (the “Series A-1 Preferred Stock”) and the Company shall include a proposal in a definitive proxy statement on Schedule 14A seeking stockholder approval no later than December 31, 2025 to allow the conversion of Series A-1 Preferred Stock into Common Stock; provided further that, each share of Series A-1 Preferred Stock outstanding on December 31, 2026 will, except to the extent prohibited by Delaware law governing distributions to stockholders (including the Delaware General Corporation Law), be redeemed by the Company for cash in an amount equal to the as-converted value of the underlying common stock.

RTW Private Placement

On January 14, 2025, Allurion Technologies, Inc. (the “Company”) entered into a subscription agreement (the “Subscription Agreement”) with funds affiliated with RTW, pursuant to which the Company agreed to sell to RTW 841,751 shares of its common stock, par value $0.0001 per share, for an aggregate purchase price of approximately $2.5 million at a purchase price per share of $2.97 (the “RTW Private Placement”). The Private Placement closed on January 16, 2025.

On January 24, 2025, the Company entered into a securities purchase agreement (the “January 2025 Securities Purchase Agreement”) with certain accredited investors named therein, pursuant to which the Company agreed to issue and sell 1,240,000 shares of the Company’s Common Stock (the “January 2025 Offering”) and 1,240,000 accompanying common warrants (the “January 2025 Warrants”) to purchase up to 1,240,000 shares of Common Stock upon exercise of the January 2025 Common Warrants in a concurrent private placement (the “January 2025 Private Placement”), at an offering price of $6.00 per share and accompanying January 2025 Common Warrant.

The January 2025 Offering and January 2025 Private Placement resulted in gross proceeds to the Company of approximately $7.4 million, before deducting the placement agent fees and commissions and estimated offering expenses payable by the Company. The January 2025 Offering and January 2025 Private Placement closed on January 27, 2025. The Company intends to use the net proceeds of the January 2025 Offering and January 2025 Private Placement for working capital and other general corporate purposes.

Certain purchasers in the January 2025 Offering and January 2025 Private Placement are holders of warrants to purchase Common Stock issued in the Public Offering in July 2024. The exercise price for the Public Offering Warrants initially was $30.00 pershare. In consideration for such purchasers’ purchase of securities in the January 2025 Offering and January 2025 Private Placement, we have agreed with each such purchaser to seek stockholder approval to reduce the exercise price of the Public Offering Warrants held by such purchasers to $6.00 per share. Such Public Offering Warrants will become exercisable at the revised exercise price upon the receipt of such stockholder approval.

On February 19, 2025, the Company entered into a securities purchase agreement (the “February 2025 Securities Purchase Agreement”) with certain accredited investors named therein, pursuant to which the Company agreed to issue and sell 900,000 shares of the Company’s Common Stock (the “February 2025 Offering”), and 1,800,000 accompanying common warrants (the “February 2025 Warrants”) to purchase up to 1,800,000 shares of Common Stock upon exercise of the February 2025 Common Warrants in a concurrent private placement (the “February 2025 Private Placement”), at an offering price of $5.23 per share and accompanying Common Warrant.

The February 2025 Offering and February 2025 Private Placement resulted in gross proceeds to the Company of approximately $4.7 million, before deducting the placement agent fees and commissions and estimated offering expenses payable by the Company. The February 2025 Offering and February 2025 Private Placement closed on February 20, 2025. The Company intends to use the net proceeds of the February 2025 Offering and February 2025 Private Placement to fund its clinical pipeline testing the effects of the combination of the Allurion Balloon and GLP-1 therapy on muscle mass and long-term GLP-1 adherence, for working capital and other general corporate purposes.

On February 19, 2025, the Company entered into a subscription agreement (the “Leavitt Subscription Agreement”) with an accredited investor affiliated with Leavitt Equity Partners LLC (collectively, “Leavitt”), pursuant to which the Company agreed to sell to Leavitt 267,686 shares of Common Stock (the “Private Placement Shares”) and common warrants to purchase up to 535,372 shares of Common Stock (the “Leavitt Private Placement Warrants” and together with the Private Placement Shares, the “Private Placement Securities”), for an aggregate purchase price of approximately $1.4 million at a purchase price of $5.23 per share and accompanying Private Placement Warrant (the “Leavitt Private Placement”). The Leavitt Private Placement closed on February 20, 2025.

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