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RenovoRx, Inc.

For the period ended Jun 30, 2025. Filed Aug 14, 2025.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2025 · Filed Aug 14, 2025

RNXT$1.18+4.4%Stored close · as of Nov 9, 2026

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Notes to the Unaudited Condensed Interim Financial Statements

1. Business and Principal Activities

Description of Business

RenovoRx, Inc. (the “Company”) was incorporated in the state of Delaware in December 2012 and operates from its headquarters in Mountain View, California. The Company is a commercial and clinical stage life sciences company offeringRenovoCath®, a novel, U.S. Food and Drug Administration (“FDA”) cleared local drug delivery device, targeting high unmet medical needs with a present focus on difficult to treat cancers.

The Company’s clinical stage lead product candidate is a novel drug-device combination product consisting of intra-arterial delivery of the chemotherapy gemcitabine via RenovoCath which the Company refers to as “IAG.” IAG is currently the subject of a Phase III clinical study for the treatment of locally advanced pancreatic cancer (“LAPC”).

The Company is also commercializing RenovoCath as a standalone device for use by interventional radiologists, oncologists, and other medical professionals who can use the device to treat patients within its FDA-cleared fields of use. RenovoCath is indicated for temporary vessel occlusion in applications including arteriography, preoperative occlusion, and chemotherapeutic drug infusion.

RenovoCath utilizes the patentedTrans-Arterial Micro-Perfusion (“TAMP™”) therapy platform, which is designed to ensure targeted therapeutic delivery across the arterial wall near the tumor site to bathe the target tumor, while potentially minimizing a therapy’s toxicities versus systemic intravenous therapy, including chemotherapy. The Company’s novel approach to targeted treatment offers the potential for increased safety, tolerance, and improved efficacy. The Company holds a robust portfolio of 19 issued patents and 11 pending patents covering our TAMP technology.

Liquidity and Capital Resources

From the Company’s inception through June 30, 2025, it has raised an aggregate of $71.4 million, primarily from private placements of convertible preferred stock, convertible debt securities, the issuance of securities in the Company’s August 2021 initial public offering (the “IPO”), registered and unregistered sales of common stock and common stock warrants and the exercise of common stock warrants and common stock options. After deducting underwriting discounts and commissions, placement agent fees and other offering expenses, the Company’s net proceeds raised since inception were $64.3 million. As of June 30, 2025, the Company had cash and cash equivalents of $12.3 million. As used herein, the term “common stock” refers to the Company’s common stock, par value $0.0001 per share.

The Company has incurred significant losses and negative cash flows from operations since its inception. At June 30, 2025, the Company had an accumulated deficit of approximately $55.5 million. For the six months ended June 30, 2025, the Company reported a net loss of $5.3 million. The Company does not expect to generate positive cash flows from operations unless and until its commercialization activities for RenovoCath as a standalone device (which activities remain in the relatively early stages) generate sufficient revenues. The Company expects to continue to incur significant losses until regulatory approval is granted for its first drug-device combination product candidate, IAG, or until revenues from RenovoCath commercialization increase substantially. Regulatory approval is not guaranteed and may never be obtained, and the Company’s plans to grow RenovoCath revenue may not be achieved at levels anticipated, or at all. The Company may also pursue other revenue-generating strategies such as licensing or collaboration agreements. No assurances can be made that the Company will pursue these strategies, and even if it does, there is a risk that the Company will be unable to generate revenue from such activities.

The Company believes it will be able to raise additional capital through debt financings, private or public equity financings, license agreements, collaborative agreements or other arrangements with other companies, or other sources of financing. There can be no assurance that such financing will be available or will be at terms acceptable to the Company. The inability to raise capital as and when needed would have a negative impact on the Company’s liquidity, financial condition and its ability to pursue its business strategy. The Company will need to generate significant revenue to achieve profitability, and it may never do so.

The Company has filed an omnibus shelf registration statement on Form S-3 (No. 333-268302) (the “Shelf Registration Statement”) that provides for the aggregate offerings of up to $50.0 million of the Company’s securities subject to various limitations, including limited sales in any twelve-month period while the Company is subject to the “baby-shelf” rules.

The Company has also filed a registration statement on Form S-1 to register the cash exercise of the Company’s outstanding IPO, underwriter and private warrants. Cash exercise of these outstanding warrants is only expected to occur (if at all) when the trading price of the common stock is in excess of the $10.80 per share exercise price of such outstanding warrants.

On April 3, 2023, the Company completed a registered direct offering (“RDO”) utilizing its Shelf Registration Statement for the purchase and sale of 1,557,632 shares of common stock (or pre-funded common stock warrants) to a certain institutional investor. In a concurrent private placement, the Company issued to the investor unregistered common warrants to purchase up to 1,947,040 shares of common stock (the “April 2023 Warrant”). The aggregate gross proceeds from this offering were $5.0 million, and the net offering proceeds were $4.3 million after deducting placement agent fees and placement agent’s expenses of $0.4 million and other professional expenses of $0.3 million.

On January 26, 2024, the Company completed a private placement to 92 accredited investors with gross proceeds of $6.1 million before deducting placement agent fees and other offering expenses of approximately $0.7 million. In this private placement, the Company issued 6,133,414 shares of its common stock and common warrants to purchase up to an aggregate of 6,133,414 shares of common stock, which expire five years from the issuance date, or January 26, 2029. In connection with such private placement, the Company entered into a placement agent agreement as additional compensation to the placement agent, and issued common warrants to purchase up to an aggregate of 511,940 shares of common stock, which warrants expire five years from the issuance date. The significant majority of the warrants issued in this private placement have an exercise price of $0.99 per share. The warrants purchased by directors, officers, employees and consultants of the Company in this private placement have an exercise price of $1.22 per share.

On April 11, 2024, the Company completed another private placement offering to 172 accredited investors, issuing common stock, pre-funded warrants, Series A warrants, and Series B warrants. The aggregate gross proceeds from this offering were $11.1 million, and the net offering proceeds were $9.6 million after deducting placement agent fees of $1.3 million and other professional expenses of $0.2 million. In conjunction with the issuance of 6,960,864 shares of common stock, the Company bundled the offering with: (i) a pre-funded warrant exercisable for 951,500 shares of common stock at an exercise price of $0.0001 per share, with an unlimited term and immediate exercisability upon issuance, subject to specific beneficial ownership limitations; (ii) Series A warrants exercisable for 7,912,364 shares of common stock at $1.22 per share, valid for 5 years and immediately exercisable subject to customary adjustments and beneficial ownership limitations; (iii) Series B warrants exercisable for 3,956,182 shares of common stock at $1.22 per share, valid for 2 years and immediately exercisable subject to customary adjustments and beneficial ownership limitations, with the Company retaining the right to call these warrants under certain conditions. Additionally, as compensation to the placement agent, the Company issued warrants on the same date, to purchase up to an aggregate of 701,243 shares of common stock (the “April 2024 PA Warrants”) at $1.69 per share over a 5-year term, with provisions for cashless exercise if the shares are unregistered or no current prospectus is available for resale. The April 2024 PA Warrants become exercisable on October 11, 2024, subject to specific beneficial ownership limitations and customary adjustments.

On February 10, 2025, the Company closed an underwritten public offering of common stock, utilizing its Shelf Registration Statement (the “February 2025 Offering”) and received gross proceeds of approximately $12.1 million. The net proceeds were $10.8 million after deducting underwriting fees of $0.8 million and other professional expenses of $0.5 million. The Company issued an aggregate 11,523,810 shares of its common stock in this offering and issued to the underwriters of this offering underwriter warrants to purchase 576,191 shares of common stock at $1.21 per share over a 5-year term.

The accompanying condensed interim financial statements have been prepared assuming that the Company will continue as a going concern and has reviewed the relevant conditions and events surrounding its ability to continue as a going concern including among others: historical losses, projected future results, negative cash flows from operations, including cash requirements for the upcoming year, funding capacity, net working capital, total stockholders’ equity and future access to capital. Based upon this review and the Company’s current financial condition and operating plans, the Company has concluded that its current cash and cash equivalents will be sufficient to fund its operations through at least the next 12 months from the issuance of this Report.

2. Summary of Significant Accounting Policies

Basis of Presentation and Unaudited Condensed Interim Financial Information

The accompanying unaudited condensed interim financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and applicable rules and regulations of the Securities and Exchange Commission (“SEC”) for interim reporting. As permitted under those rules and regulations, certain footnotes or other financial information normally included in unaudited condensed interim financial statements prepared in accordance with GAAP have been condensed or omitted. The unaudited condensed interim financial statements have been prepared on the same basis as the annual financial statements and, in the opinion of management, reflect all adjustments, which include only normal, recurring adjustments that are necessary to present fairly the Company’s results for the interim periods presented. The condensed balance sheet as of December 31, 2024, is derived from the Company’s audited financial statements. The results of operations for the three months ended June 30, 2025, are not necessarily indicative of the results to be expected for the year ending December 31, 2025, or for any other future annual or interim period. Any reference in these notes to applicable guidance is meant to refer to the authoritative GAAP as found in the Accounting Standards Codification (“ASC”) and as amended by Accounting Standards Update (“ASU”) of the Financial Accounting Standards Board (“FASB”).

There have been no material changes to the significant accounting policies during the six months ended June 30, 2025 from those previously disclosed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 filed with the SEC on April 1, 2025, other than the accounting policies adopted in connection with the Company’s February 2025 Offering as described below.

February 2025 Offering

The Company evaluated the underwriter warrants Common issued in connection with the February 2025 Offering in accordance with ASC Topic 480,Distinguishing Liabilities from Equity and ASC 815-40,Derivatives and Hedging – Contracts in Entity’s Own Entityand concluded that the underwriter warrants are freestanding financial instruments, meeting ASC Topic 480’s criteria for legal detachment and separate exercisability from the common stock. The underwriter warrants are classified as equity, not liabilities, as they do not embody obligations for cash settlement or issuance of variable shares. The initial recognition involves recording proceeds in Additional Paid-In Capital (“APIC”) with issuance costs as contra-equity. For diluted Earnings Per Share (“EPS”), the treasury stock method applies, as the underwriter warrants are dilutive but not participating securities before exercise, ensuring no impact on basic EPS until shares are issued.

Risks and Uncertainties

The Company and its business are subject to a number of significant risks associated with clinical-stage and early commercial stage life science companies, including the risks associated with (i) its relatively early stage commercialization efforts for RenovoCath, (ii) the development of IAG or other product candidates that must receive regulatory approval before market launch, (iii) possible failure of current or future preclinical studies or clinical trials, (iv) dependence on key third parties such as device manufacturers and providers of clinical trial administration services; (v) the need to obtain and maintain insurance coding for its products and product candidates, (vi) dependence on key officer and employees, (vii) competition from larger and more established companies, (viii) obtaining and maintaining intellectual property protections, (ix) changes in the Company’s technology or industry, (x) volatility in the public capital markets, (xi) the Company’s ability to obtain adequate financing when needed to support the Company’s business plan, (xii) the ability to attract and retain additional qualified personnel to manage the anticipated growth of the Company and (xiii) general economic and political conditions.

Use of Estimates

The preparation of condensed interim financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, revenue, income and expenses as well as the disclosure of contingent assets and liabilities, at the date of the condensed interim financial statements during the reporting periods. In preparing these condensed interim financial statements, management has made its best estimates and judgments of certain amounts included in the condensed interim financial statements. Significant estimates and assumptions made in the accompanying condensed interim financial statements include, but are not limited to, accruals of certain liabilities, including clinical trial accruals and other contingences, the valuation of financial instruments, the fair value of the Company’s common stock and the fair value of options granted under the Company’s equity incentive plan. On an ongoing basis, the Company evaluates its estimates, including those related to the fair values of assets, stock-based compensation, clinical trial accruals and other contingencies. Management bases its estimates on historical experience or on various other assumptions that it believes to be reasonable under the circumstances. Actual results could differ materially from these estimates.

Emerging Growth Company and Smaller Reporting Company Status

The Company is an emerging growth company as defined in the Jumpstart Our Business Startups Act of 2012 (the “JOBS Act”) and may take advantage of reduced reporting requirements that are otherwise applicable to public companies. Section 107 of the JOBS Act exempts emerging growth companies from complying with new or revised financial accounting standards until private companies are required to comply with those standards. The Company has elected to use the extended transition period for complying with new or revised accounting standards. The Company expects to lose its status as an emerging growth company status as of December 31, 2026, the last day of the fiscal year following the fifth anniversary of the closing its August 2021 initial public offering.

The Company is also a “smaller reporting company,” as defined in Rule 12b-2 of the Exchange Act. If the Company is a smaller reporting company at the time the Company ceases to be an emerging growth company, the Company may continue to rely on exemptions from certain disclosure requirements that are available to smaller reporting companies. Specifically, as a smaller reporting company, the Company may choose to present only the two most recent fiscal years of audited financial statements in its Annual Report on Form 10-K and, like emerging growth companies, smaller reporting companies have reduced disclosure obligations regarding executive compensation.

From time to time, new accounting pronouncements are issued by the FASB or other standard-setting bodies and adopted by the Company as of the specified effective date. Unless otherwise discussed, the impact of recently issued standards that are not yet effective will not have a material impact on the Company’s financial position or results of operations upon adoption.

Recent Accounting Pronouncements

Accounting Pronouncements Not Yet Adopted

In December 2023, FASB issued ASU 2023-09,Income Taxes (Topic 740): Improvements to Income Tax Disclosures (ASU 2023-09). ASU 2023-09 modifies the rules on income tax disclosures to enhance the transparency and decision-usefulness of income tax disclosures, particularly in the rate reconciliation table and disclosures about income taxes paid. The amendments are intended to address investors’ requests for income tax disclosures that provide more information to help them better understand an entity’s exposure to potential changes in tax laws and the ensuing risks and opportunities and to assess income tax information that affects cash flow forecasts and capital allocation decisions. The guidance also eliminates certain existing disclosure requirements related to uncertain tax positions and unrecognized deferred tax liabilities. The guidance is effective for all entities for annual periods beginning after December 15, 2025. All entities should apply the guidance prospectively but have the option to apply it retrospectively. Early adoption is permitted. The Company is continuing to assess the timing of adoption and the potential impacts of ASU 2023-09 on the condensed interim financial statements and related disclosures.

In November 2024, the FASB issued ASU 2024-03,Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40)(ASU 2024-03). ASU 2024-03 modifies the rules on income statement disclosures to enhance the transparency of and include more detailed information about the types of expenses, including purchases of inventory, employee compensation, depreciation, amortization, and depletion, in commonly presented expense captions such as cost of sales, research and development, and selling, general and administrative expenses. The amendments are intended to address investors’ requests for income statement expense disclosures that provide more information to help them better understand the components of an entity’s expenses, make their own judgments about the entity’s performance, and more accurately forecast expenses, and enable investors to better assess an entity’s prospects for future cash flows. It will also provide contextual information for an entity’s presentation and consideration of management’s discussion and analysis of financial position and results of operations. The guidance is effective for all entities for annual periods beginning after December 15, 2026. All entities should apply the guidance prospectively but have the option to apply it retrospectively. Early adoption is permitted. The Company is continuing to assess the timing of adoption and the potential impacts of ASU 2024-03 on the condensed interim financial statements and related disclosures.

The Company continues to monitor new accounting pronouncements issued by the FASB and does not believe any accounting pronouncements issued through the date of this report will have a material impact on the Company’s condensed interim financial statements.

3. Fair Value Measurements

As of June 30, 2025, and December 31, 2024, the Company held cash equivalents of $12.2 million and $7.0 million, respectively, in a money market account.

The following tables summarize the Company’s financial assets and liabilities, measured at fair value on a recurring basis by level within the fair value hierarchy (in thousands):

Assets · Level 1 · Level 2 · Level 3 · Total
Cash equivalents:
Money market funds$12,151$-$-$12,151
$12,151$-$-$12,151
Liabilities · Level 1 · Level 2 · Level 3 · Total
Common stock warrant liability$-$-$1,285$1,285
$-$-$1,285$1,285
Assets · Level 1 · Level 2 · Level 3 · Total
Cash equivalents:
Money market funds$7,008$-$-$7,008
$7,008$-$-$7,008
Liabilities · Level 1 · Level 2 · Level 3 · Total
Common stock warrant liability$-$-$1,519$1,519
$-$-$1,519$1,519

There were no transfers between Level 1, Level 2 or Level 3 during the periods presented. The Company had no other financial assets or liabilities that were required to be measured at fair value on a recurring basis.

Common Stock Warrants Liability, Changes on Level 3 Liabilities Measured at Fair Value on a Recurring Basis

The following table reflects the change in the Company’s Level 3 common stock warrant liability for the six months ended June 30, 2025 (in thousands):

Fair value as of December 31, 2024$1,519
Change in fair value(234)
Fair value as of June 30, 2025$1,285

The Company remeasures the fair value of its common stock warrant liability at each reporting date. The fair value of the common stock warrants was determined using a probability weighted scenario method with a Monte Carlo simulation and Black-Scholes model. The scenario-based method estimates the fair value of the Company’s common stock warrants by considering various outcomes as assessed by the Company. Quantitative elements associated with the inputs impacting the fair value measurement of the common stock warrants include the underlying fair value of common stock, timing of the expected scenarios, risk-free rate, and volatility of the Company’s shares. The risk-free rate is determined by reference to the U.S. Treasury yield curve for the respective time periods based on the remaining contractual term of the warrants. The volatility is based on the historical volatility of the Company’s stock. The Monte Carlo simulation projects the Company’s volume weighted average stock price based on the various fundamental transaction scenarios considered and utilizes a Black-Scholes model to value the warrants within these scenarios.

The following table details the assumptions used in the Monte Carlo simulation to estimate the fair value of the common stock warrant liability:

June 30, 2025December 31, 2024
Stock price$1.315$1.29
Strike price$3.21$3.21
Expected volatility100% – 104%108.0%
Expected term (years)0.00 – 3.263.76
Risk-free interest rate3.69% – 4.41%4.31%
Dividend rate—%—%

There were no transfers between Level 1, Level 2 or Level 3 during the periods presented. The Company had no other financial assets or liabilities that were required to be measured at fair value on a recurring basis.

4. Property and Equipment, Net

Property and equipment, net are as follows (in thousands):

June 30, 2025December 31, 2024
Property and equipment$15$12
Subtotal1512
Less accumulated depreciation(2)-
Property and equipment, net$13$12

Depreciation is computed on a straight-line basis over the estimated useful lives of the assets. The useful life for furniture and equipment isseven years.

Depreciation expense was approximately $1,000 andnil for the three months ended June 30, 2025 and 2024, respectively. Depreciation expense was approximately $2,000 andnil for the six months ended June 30, 2025 and 2024, respectively.

5. Accrued Expenses

The components of accrued expenses are as follows (in thousands):

June 30, 2025December 31, 2024
Clinical trial$406$432
Employee benefits358817
Lease liability — current9966
Other228
Total accrued expenses$885$1,323

6. Leases, Commitments and Contingencies

Operating Leases

In October 2024, the Company entered into a 36-month non-cancelable operating lease, commencing on December 1, 2024, for approximately 1,900 rentable square feet of office space in Mountain View, California. The lease has a one-time option to renew the term for an extension period of 36 months. The office space lease has a remaining lease term of approximately three years. The option to renew the term was not included for purposes of determining the right-of-use asset and associated lease liabilities as the Company determined that the renewal of the lease is not reasonably certain so only the original lease term was taken into consideration. The accounting lease commencement in accordance with ASC Topic 842,Leases, occurred on December 1, 2024, and the Company recorded a total associated right-of-use asset and corresponding lease liability of $285,000.

Classification of the Company’s operating lease on the condensed balance sheets are as follows (in thousands):

June 30, 2025December 31, 2024
Assets
Right-of-use operating asset$235$278
Liability
Operating lease liability – current$99$66
Operating lease liability – noncurrent161212
Total liability$260$278

The current portion of operating lease liability of $99,000 and $66,000 as of June 30, 2025 and December 31, 2024, respectively, is included within accrued expense on the condensed balance sheet, see “Note 5. Accrued Expenses” in Notes to Condensed Interim Financial Statements.

Lease expense and cash paid by lease type that was recognized during the three months ended June 30, 2025 and 2024 are as follows (in thousands):

Three Months Ended · Six Months Ended
June 30, · June 30,
2025 · 2024 · 2025 · 2024
Operating lease$28$-$57$-
Short-term lease-20-41
Total lease expense$28$20$57$41

For three and six months ended June 30, 2024, short-term leases of $20,000 and $41,000, respectively, were month-to-month lease arrangements where the Company recognized the lease payments as an expense in the period in which the obligation for those payments incurred. The Company made an election policy not to apply the recognition requirements under ASC Topic 842,Leases, for month-to-month lease agreements.

The minimum lease payments are expected to be as follows for the years ending December 31, (in thousands):

Remainder of 2025$57
2026118
2027111
Total lease payments$286
Less imputed interest(26)
Present value of operating lease liability$260

The interest rate implicit in lease contracts is typically not readily determinable and as such, the Company uses its incremental borrowing rate of 7.75% based on the information available at the lease commencement date, which represents an internally developed rate that would be incurred to borrow, on a collateralized basis, over a similar term, an amount equal to the lease payments in a similar economic environment. As of June 30, 2025, the Company had a remaining lease term of 2.42 years.

Commercial Supply Agreement

The Company entered into a Supply Agreement with Medical Murray, Inc., the Company’s primary third-party RenovoCath manufacturer, with an effective date of June 5, 2025. Under the supply agreement, the Company has agreed to purchase certain minimum order quantities of the Company’s RenovoCath device, based on issued purchase orders modified for limited cancellations or delays as provided in the supply agreement.

The supply agreement has an initial three-year term, with an automatic one-year renewal unless either party provides written notice of termination at least 30 days prior to the expiration date. The supply agreement may be terminated by either party in the event of a force majeure, bankruptcy or insolvency of the other party, and uncured material breach. The Company may terminate the supply agreement if RenovoCath is withdrawn or suspended by a government authority. In addition, either party may terminate for convenience with one-year written notice. In the event of early termination, the Company is obligated to pay the shortfall commitment as of the date of termination.

As of June 30, 2025, the value of the Company’s outstanding non-cancellable purchase commitments associated with the supply agreement is approximately $0.9 million. No payments were made under the supply agreement during the three and six months ended June 30, 2025.

Legal Proceedings

From time to time, the Company may become involved in legal proceedings arising in the ordinary course of business. The Company was not subject to any material legal proceedings during the three and six months ended June 30, 2025, and no material legal proceedings are subsequently outstanding or pending.

Guarantees and Indemnification

In the ordinary course of business, the Company enters into agreements that may include indemnification provisions. As permitted under Delaware law and in accordance with its bylaws, the Company indemnifies its officers and directors for certain events or occurrences while the officer or director is or was serving in such capacity. The Company is also party to indemnification agreements with its officers and directors. In some cases, the indemnification will continue after the termination of the agreement. The maximum potential amount of future payments that the Company could be required to make under these provisions is not determinable. The Company has never incurred material costs to defend lawsuits or settle claims related to these indemnification provisions. The Company is not currently aware of any indemnification claims. Accordingly, the Company had not recorded any liabilities for these indemnification rights and agreements as of June 30, 2025.

7. Equity Incentive Plan – Stock-Based Compensation Expense and Warrants

2021 Omnibus Equity Incentive Plan

On July 19, 2021, the Company’s Board of Directors (the “Board”) adopted the RenovoRx, Inc. 2021 Omnibus Equity Incentive Plan (the “2021 Plan”). The 2021 Plan, which became effective immediately prior to the closing of the IPO, initially reserved 2,185,832 shares of common stock, which included 10,832 shares of common shares reserved but unissued under the Amended and Restated 2013 Equity Incentive Plan (the “2013 Plan”). The Company’s 2013 Plan was terminated immediately prior to the closing of the IPO; however, shares subject to awards granted under the 2013 Plan continued to be governed by the 2013 Plan. In accordance with the terms of the 2021 Plan, on January 1, 2025, the number of shares reserved and available for issuance increased by 721,040 shares.

On April 29, 2025, the Board approved the following amendments to the 2021 Plan to be adopted at the Annual Shareholders’ Meeting, (i) the addition of 913,794 shares of common stock to the total number of shares of common stock available under the 2021 Plan and (ii) an increase in in the 2021 Plan’s evergreen provision to increase the size of the 2021 Plan each year from three percent of shares outstanding on the final day of the immediately preceding calendar year to five percent. The amendments to the 2021 Plan were adopted at the Annual Shareholder’ Meeting on June 24, 2025.

A summary of the stock option activity for the six months ended June 30, 2025 is as follows:

Number of Stock Options · Weighted- Average Exercise Price · Weighted- Average Remaining Contractual Life · Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 20242,797,529$1.847.82$521
Granted1,028,576$0.86-$-
Exercised(39,650)$0.41-$-
Forfeited(16,910)$1.97-$-
Expired(32,779)$1.96-$-
Outstanding as of June 30, 20253,736,766$1.588.03$989
Exercisable as of June 30, 20251,837,384$1.996.88$415
Vested and expected to vest as of June 30, 20253,736,766$1.588.03$989

As of June 30, 2025, there was $1.9 million of unrecognized stock-based compensation expense related to options granted but not yet amortized, which will be recognized over a weighted-average period of approximately 2.73 years.

For the six months ended June 30, 2025 and 2024, the Company utilized the Black-Scholes option-pricing model for estimating the fair value of the stock option granted and records compensation expense on a straight-line basis over the vesting period of the awards. The Company estimated the fair value of each option grant on the grant date using the Black-Scholes option pricing model with the following weighted-average assumptions:

Six Months Ended June 30,
20252024
Expected volatility115.1% – 121.3%123.76% – 143.10%
Expected term (years)6.02 – 10.006.02 – 10.00
Risk-free interest rate4.11% – 4.79%4.03% – 4.30%
Dividend rate–%–%

The compensation expense is allocated on a departmental basis, based on the classification of the option holder. No income tax benefits have been recognized in the condensed statements of operations for stock-based compensation arrangements.

The following table summarizes the components of stock-based compensation expense recognized in the Company’s Condensed Statements of Operations (in thousands):

Three Months Ended · Six Months Ended
June 30,June 30,
2025202420252024
Research and development$106$81$243$207
General and administrative239163390460
Total stock-based compensation expense$345$244$633$667

Restricted Stock

In March 2025, the Board approved the issuance of 30,000 shares of restricted stock to an entity as consideration for a commercial contract, vested immediately, in a private placement. The shares were issued outside the 2021 Plan and the Company recognized $30,600 of stock-based compensation expense for the restricted stock.

In June 2025, the Board approved the issuance of 36,000 shares of restricted stock to an entity as consideration for a commercial contract vesting monthly over a one-year period. The shares were issued outside the 2021 Plan and the Company recognized approximately $1,000 of stock-based compensation expense for the restricted stock for the six months ended June 30, 2025.

2025 Underwriter Warrants

In connection with the Company’s February 2025 Offering, the Company issued to the underwriter warrants to purchase up to 576,191 shares of common at $1.21 per share over afive-year term. All such warrants expire on February 10, 2030.

The following is a summary of the common stock warrants activity during the six months ended June 30, 2025.

Shares Issuable Upon Exercise of Outstanding WarrantsWeighted- Average Exercise PriceWeighted- Average Remaining Contractual LifeAggregate Intrinsic Value (In thousands)
Outstanding as of December 31, 202425,558,845$2.323.42$59,298
Issued in February 2025 to:
Underwriter576,191$1.214.61$697
Exercised(976,752)$0.03-$(25)
Expired(9,000)$1.01-$(9)
Outstanding as of June 30, 202525,149,284$2.382.95$59,961

8. Income Taxes

The Company hadno income tax expense for the six months ended June 30, 2025, and 2024. The Company’s effective income tax rate was 0% for the three and six months ended June 30, 2025. During the six months ended June 30, 2025, and 2024, the Company had a net operating loss (“NOL”) for each period that generated deferred tax assets for NOL carryforwards. Deferred income tax assets and liabilities are recognized for temporary differences between the financial statements and income tax carrying values using tax rates in effect for the years such differences are expected to reverse. Due to uncertainties surrounding our ability to generate future taxable income and consequently realize such deferred income tax assets, the Company has determined that it is more likely than not that these deferred tax assets will not be realized. Accordingly, the Company has established a full valuation allowance against its deferred tax assets as of June 30, 2025.

The Company’s policy is to recognize any interest and penalties related to unrecognized tax benefits as a component of income tax expense. For the six months ended June 30, 2025, and 2024, the Company hadno accrued interest or penalties related to uncertain tax positions.

9. Net Loss Per Share

Basic and diluted net loss per common share was calculated as follows (in thousands except shares and per share amounts):

Three Months Ended · Six Months Ended
June 30,June 30,
2025202420252024
Numerator:
Net loss$(2,895)$(2,389)$(5,315)$(3,465)
Denominator:
Weighted average shares used in computing net loss per share – basic and diluted36,576,56724,049,11334,000,53919,498,306
Net loss per share – basic and diluted$(0.08)$(0.10)$(0.16)$(0.18)

For the three and six months ended June 30, 2025, and 2024, the Company had a net loss and as such, all outstanding shares of potentially dilutive securities were excluded from the calculation of diluted net loss per share as the inclusion would be anti-dilutive.

Potentially dilutive securities not included in the computation of diluted net loss per share because to do so would be antidilutive are as follows (in common stock equivalent shares):

As of June 30,
20252024
Options to purchase common stock936,657632,154
Common stock warrants19,714,00612,569,789
Total20,650,66313,201,943

10. Segment Information

Operating segments are defined as components of an entity for which separate financial information is available and that is regularly reviewed by the Company’s Chief Executive Officer (“CEO”), who for these purposes is the Company’s Chief Operating Decision Maker (“CODM”) in deciding how to allocate resources to an individual segment and in assessing performance. The Company operates as a single reporting segment, focused on developing novel targeted oncology therapies and offering RenovoCath delivery system as stand-alone device targeting high unmet medical needs. The Company’s measure of segment profit or loss is net loss. The CODM is the CEO. The CODM manages and allocates resources to the operations of the Company on a total company basis. Managing and allocating resources on a company basis enables the CEO to assess the overall level of resources available and how to best deploy these resources across functions, clinical, manufacturing and research and development projects that are in line with the Company’s long-term company-wide strategic goals. Consistent with this decision-making process, the CEO uses financial information for purposes of evaluating performance, forecasting future period financial results, allocating resources and setting incentive targets. Operating expenses are used to monitor budget versus actual results. The CODM also uses net loss in competitive analysis by benchmarking to the Company’s peer group. The competitive analysis along with the monitoring of budgeted versus actual results are used in assessing performance of the segment. All the Company’s assets are held in the United States and all the Company’s revenues are derived from the United States.

The following table is representative of revenue and significant expense categories regularly provided to the CODM when managing the Company’s single reporting segment (in thousands):

Three Months Ended · Six Months Ended
June 30, · June 30,
2025 · 2024 · 2025 · 2024
Revenues$422$-$619$-
Program expenses (1)
Clinical trial studies (1)5396041,2091,320
Manufacturing development, RenovoCath (1)383188720225
Other research and development expenses(1)781320416
Non-program expenses (2)9981,1052,1041,992
Personnel compensation and related expenses, including share-based compensation1,1021,1242,1701,957
Other segment items (3)217(645)(473)(2,045)
Net loss$(2,895)$(2,389)$(5,315)$(3,465)
(1)Includes external research expenses, clinical studies, manufacturing development and non-recurring engineering costs, professional and consulting, regulatory, and trade shows.
(2)Includes selling, general and administrative expenses for professional and consulting expenses, audit fees, board fees, legal expenses, insurance expenses, travel, and other office expenses.
(3)Includes interest income and interest expense and gain recognized on the fair value of common stock warrant liability.

11. Related Party Transactions

The Company has a consulting agreement with one of the Company’s co-founders, Dr. Ramtin Agah, pursuant to which Dr. Agah provides consulting services as the Company’s Chief Medical Officer assisting in, among other management items, the oversight of the Company-sponsored clinical trials. For the three months ended June 30, 2025, and 2024, consulting fees paid to Dr. Agah were $84,000 and $63,000, respectively. For the six months ending June 30, 2025, and 2024, consulting fees paid to Dr. Agah were $168,000 and $152,000, respectively. In addition, the Board approved a discretionary bonus of $121,000 paid in February 2025 to Dr. Agah in recognition of the Company’s and individual performance achieved in 2024.

12. Subsequent Events

On July 4, 2025, a budget and reconciliation package known as the One Big Beautiful Bill Act (“OBBBA”) was signed into law in the United States. Among other provisions, the OBBBA amends U.S. tax law including the permanent extension of certain expiring provisions of the 2017 Tax Cuts and Jobs Act, modifications to the international tax framework and the restoration of favorable tax treatment for certain business provisions. The legislation has multiple effective dates, with certain provisions effective in 2025 and others implemented through 2027. The Company is currently evaluating the impact of the OBBBA on its consolidated financial statements.

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