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CERO THERAPEUTICS HOLDINGS, INC.

For the period ended Mar 31, 2026. Filed May 15, 2026.

View on SEC.gov

About this filing

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.

Mar 31, 2026 · Filed May 15, 2026

CERO$0.010.0%Stored close · as of Jul 8, 2026

What changed in Management’s Discussion and Analysis?

Read the current filing

Previous report: 10-Q

Period ended 2025-09-30; filed 2025-11-19.

0001213900-25-112619

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Current report: 10-Q

Period ended 2026-03-31; filed 2026-05-15.

0001213900-26-057753

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The baseline is this issuer’s latest earlier reporting period of the same form that was filed before the current report. A previous 10-Q is a different quarter, not a year-over-year comparison. Amendments are excluded.

Compared 93 previous paragraphs and 65 current paragraphs.

30 unchanged; 15 reworded; 18 added; 46 removed; 2 previous and 2 current paragraphs rearranged.

Tables are not compared: 18 previous and 17 current tables excluded. Dates, whitespace, punctuation and numbering changes are ignored; changes to financial figures remain significant.

A changed paragraph is not evidence that risk increased or decreased. An unchanged paragraph does not establish that risk stayed the same.

Added paragraphs (18)

Current report

CERo Therapeutics Holdings, Inc. (OTCQB: CERO) (“CERo”, or the “Company”), F/K/A Phoenix Biotech Acquisition Corp. (“PBAX”) was incorporated in Delaware on June 8, 2021. PBAX was formed for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization, or similar business combination with one or more businesses (a “business combination”).

Current report

The Company is an innovative immunotherapy company advancing the development of next generation engineered T cell therapeutics for the treatment of cancer. The Company’s proprietary approach to T cell engineering, which enables it to integrate certain desirable characteristics of both innate and adaptive immunity into a single therapeutic construct, is designed to engage the body’s full immune repertoire to achieve optimized cancer therapy. The Company is in early clinical development but has not yet begun product commercialization. The Company’s efforts will focus on continued product development, including clinical development, to support regulatory approval to commercialize and subsequent product commercialization.

Current report

During the three months ended March 31, 2026, we received net proceeds of $456,166 from the sale of our common stock from ELOC fundings. Furthermore, on February 9, 2026 and on March 6, 2026, we issued and sold Convertible Notes for an aggregate purchase price of $1,500,000 ($750,000 each), having an aggregate principal face value of $1,875,000 ($937,500 each) to Keystone. Additional funds are necessary to maintain current operations and to continue R&D activities. However, there can be no assurance that sufficient funding will be available to allow the Company to successfully continue its R&D activities and planned regulatory filings with the FDA. If the Company is unable to obtain the necessary funds, significant reductions in spending and the delay or cancellation of planned activities may be necessary. These actions would have a material adverse effect on the Company’s business, results of operations, and prospects. These conditions raise substantial doubt about the Company’s ability to continue as a going concern within one year from the date the unaudited consolidated financial statements are issued. These unaudited consolidated financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts or the amounts and classification of liabilities that might result from the outcome of this uncertainty.

Current report

On April 8, 2026, we issued and sold a convertible promissory note for a purchase price of $350,000, having a principal face value of $437,500 (the “April 2026 Note”) to Lender. Pursuant to the April 2026 Note, the Company may borrow, from time to time thereunder, up to a maximum aggregate amount not to exceed a sum of $1,000,000. The April 2026 Note bears interest at a rate of 10% per annum, matures on April 9, 2027, and is convertible into shares of the Company’s common stock. On April 27, 2026, we issued and sold a convertible promissory note for an purchase price of $400,000, having a principal face value of $500,000 (the “Second April Note”) to Lender. Pursuant to the Second April 2026 Note, the Company may borrow, from time to time thereunder, up to a maximum aggregate amount not to exceed a sum of $1,000,000. The Second April Note bears interest at a rate of 10% per annum, matures on April 27, 2027, and is convertible into shares of the Company’s common stock. At any time after the issuance of the Apri 2026 Note and the Second April Note, the Lender, at its option, is entitled to convert all or any lesser portion of the outstanding principal amount and accrued but unpaid interest into common stock at a conversion price equal to the lesser of (i) $0.05 and (ii) 80% of the average of the 5 (five) lowest intraday trading prices during the 20 (twenty) days prior to the day that the Lender requests conversion, unless otherwise modified by mutual agreement between the parties, subject to certain adjustments and limitations, including a beneficial ownership limitation of 4.99%.

Current report

The Company’s shares of Common Stock commenced trading on OTCQB as of December 2, 2025. On January 29, 2026, after considering the written record in this matter, the Nasdaq Listing and Hearing Review Council issued its decision affirming the Panel’s decision to delist the Company’s securities from Nasdaq.

Current report

Results of operations for the three months ended March 31, 2026 and 2025 is summarized as follows:

Current report

Research and development expenses were $2.3 million for the three months ended March 31, 2026, compared to $2.9 million for the three months ended March 31, 2025, reflecting a decrease of $0.6 million. The decrease was related to decreased R&D activity in the 2026 period as compared to the 2025 period. During the 2025 period, the Company prepared and filed the IND for CER-1236, prepared for the clinical trials initiation, and began the clinical trial. The decrease in research and development expenses reflected (i) a decrease in clinical expenses of $0.8 million, (ii) a decrease in scientific consulting expenses of $0.2 million, and (iii) a decrease in rent expense of $0.2 million due to the receipt of subtenant rental income and a credit received from the landlord on common area charges paid. These decreases were offset by an increase in drug manufacturing costs of $0.2 million and stock-based stock option expense of approximately $0.4 million.

Current report

General and administrative expenses were $2.5 million for three months ended March 31, 2026, compared to $2.0 million for the three months ended March 31, 2025, reflecting an increase of $0.5 million. The increase in the three months ended March 31, 2026 over the three months ended March 31, 2025 was partially due to an increase in stock-based stock options expense of approximately $0.9 million, offset by a decrease in professional fees of $0.2 million and a decrease in other general and administrative expenses of approximately $0.2 million.

Current report

Other expenses, net was $(1.0) million for the three months ended March 31, 2026, compared to other expenses, net of $0.2 million for the three months ended March 31, 2025, reflecting a negative change of $0.8 million. The negative change during the three months ended March 31, 2026 as compared to the three months ended March 31, 2025 was primarily due to the recording of derivative expense of $0.9 million and interest expense of $0.2 million related to the issuance of convertible notes payable during the 2026 period, offset by a reduction in stock-based inducement expense of $0.2. million.

Current report

On April 8, 2026, we issued and sold a convertible promissory note for a purchase price of $350,000, having a principal face value of $437,500 (the “April 2026 Note”) to Lender. Pursuant to the April 2026 Note, the Company may borrow, from time to time thereunder, up to a maximum aggregate amount not to exceed a sum of $1,000,000. The April 2026 Note bears interest at a rate of 10% per annum, matures on April 9, 2027, and is convertible into shares of the Company’s common stock. On April 27, 2026, we issued and sold a convertible promissory note for an purchase price of $400,000, having a principal face value of $500,000 (the “Second April Note”) to Lender. Pursuant to the Second April Note, the Company may borrow, from time to time thereunder, up to a maximum aggregate amount not to exceed a sum of $1,000,000. The Second April Note bears interest at a rate of 10% per annum, matures on April 27, 2027, and is convertible into shares of the Company’s common stock. At any time after the issuance of the April 2026 Note and the Second April Note , the Lender, at its option, is entitled to convert all or any lesser portion of the outstanding principal amount and accrued but unpaid interest into common stock at a conversion price equal to the lesser of (i) $0.05 and (ii) 80% of the average of the 5 (five) lowest intraday trading prices during the 20 (twenty) days prior to the day that the Lender requests conversion, unless otherwise modified by mutual agreement between the parties, subject to certain adjustments and limitations, including a beneficial ownership limitation of 4.99%.

Current report

We did not have any investing activities during the three months ended March 31, 2026 and 2025.

Current report

During the three months ended March 31, 2026, net cash provided by financing activities of $1,956,000 was primarily attributable to the receipt of net proceeds of $456,000 from the sale of Common Stock under the ELOC, and net proceeds of $1,500,000 from the sale of convertible notes payable.

Current report

During the three months ended March 31, 2026, there were no material changes to our critical accounting policies from those described in our Annual Report on Form 10-K filed with the SEC on April 15, 2025.
Removed paragraphs (46)

Previous report

CERo Therapeutics, Inc. (the “Predecessor”) was incorporated in Delaware on September 23, 2016, and is based in South San Francisco, California. Predecessor was focused on developing its therapeutic platform to genetically engineer human immune cells to fight cancer and did not begin clinical development or product commercialization. The Company’s efforts will focus on continued product development, including clinical development, to support regulatory approval to commercialize and subsequent product commercialization.

Previous report

On June 4, 2023, Predecessor entered into a Business Combination Agreement (as amended by that certain Amendment No. 1 to the Business Combination Agreement, dated as of February 5, 2024 and Amendment No. 2 to the Business Combination Agreement, dated as of February 13, 2024, the “Business Combination Agreement”) by and among PBAX and PBCE Merger Sub, Inc., pursuant to which Merger Sub merged with and into Predecessor, with Predecessor surviving as a wholly-owned subsidiary of PBAX (the “Merger”). In connection with the consummation of the Business Combination on February 14, 2024, PBAX changed its corporate name to “CERo Therapeutics Holdings, Inc.”

Previous report

At the effective time of the Merger, (i) each outstanding share of Predecessor common stock, was cancelled and converted into the right to receive shares of Common Stock; (ii) each outstanding option to purchase Predecessor common stock was converted into an option to purchase shares of Common Stock, par value $0.0001 per share; (iii) each outstanding share of Predecessor preferred stock, was converted into the right to receive shares of Common Stock, and (iv) each outstanding warrant to purchase Predecessor preferred stock was converted into a warrant to acquire shares of Common Stock. In addition, each outstanding Predecessor convertible bridge note was exchanged for shares of Series A Preferred Stock.

Previous report

In addition, the holders of Predecessor common stock and Predecessor preferred stock have the contingent right to receive the Earnout Shares. At the Closing, the Company issued three pools of shares of Common Stock subject to forfeiture if the applicable conditions to transferability thereof are not satisfied: (i) 600 shares of Common Stock (giving retroactive effect to the Reverse Stock Splits), which will be fully vested upon the achievement of certain adjusted stock price-based earnout targets or upon a qualifying transaction (ii) 438 shares of Common Stock (giving retroactive effect to the Reverse Stock Splits), pursuant to a Letter Agreement, dated as of February 14, 2024 which were fully vested at Closing of the Merger and which were issued as an offset to the Sponsor Share Forfeiture Agreement, and (iii) 500 shares of Common Stock (giving retroactive effect to the Reverse Stock Splits), which were fully vested upon the June 28, 2024 achievement of certain regulatory milestone-based earnout targets.

Previous report

As consideration for the Merger, the Company issued to Predecessor stockholders an aggregate of 4,038 shares of Common Stock, including 1,100 Earnout Shares and 187 shares issuable upon exercise of rollover options or warrants (giving retroactive effect to the Reverse Stock Splits).

Previous report

On February 5, 2025, we entered into a securities purchase agreement, with participation from a member of the Board and a single institutional investor, for the purchase and sale of (i) 127,551 shares of Common Stock or Common Stock equivalents in lieu thereof; and (ii) February 2025 Common Warrants to purchase up to 127,551 shares of Common Stock at an exercise price of $39.20. In connection with such offering, we received net proceeds of approximately $4.2 million. Additionally, during the nine months ended September 30, 2025, we received net proceeds from the exercise of the remaining Series A Preferred Warrants, the collection of subscriptions receivable and equity line of credit fundings of approximately $4.2 million.

Previous report

On April 21, 2025, the Company entered into a Securities Purchase Agreement (the “Fourth Securities Purchase Agreement”) with certain accredited investors named therein. Further, on April 22, 2025, the Company filed the Certificate of Designations of Rights and Preferences of the Series D Preferred Stock (the “Series D Certificate of Designations”) for the purpose of designating and establishing the Company’s Series D Preferred Stock. Pursuant to the Securities Purchase Agreement, up to 10,000 shares of the Company’s Series D Preferred Stock shall be purchased for an aggregate purchase price of up to $8 million in one or more closings (each a “Closing”).

Previous report

On April 22, 2025, the Company issued 6,250 shares of its Series D preferred stock to investors in exchange for 1,000,279 shares of Series D preferred stock of Stella Diagnostics. The transaction was completed in lieu of a cash payment. The value of Stella’s Series D Preferred Stock received was determined to be $500,000 as of the transaction date, based on the subsequent sale of the 1,000,279 Stella Series D Preferred Stock for $500,000 in cash, pursuant to a Stock Purchase Agreements dated August 20, 2025. Accordingly, the Company recognized the issuance of its Series D preferred stock to investors at a cost of $500,000, which represents the fair value of the consideration received. The difference between the stated value of the Company Series D Preferred Stock ($5.0 million) and the fair value of the consideration received ($500,000) was recorded as a decrease to additional paid-in capital, which amounted to $4.5 million. The investment in Stella’s Series D Preferred Stock is classified as an equity security without a readily determinable fair value and is accounted for under the measurement alternative in accordance with ASC 321,Investments – Equity Securities. Under this method, the investment is initially recorded at cost, which was determined to be equal to the fair value of the consideration received, and is subsequently adjusted for observable price changes in orderly transactions for the same or similar securities and for impairment, if any. There was no impairment identified on the investment in equity securities during the period ended September 30, 2025. This non-cash transaction did not impact the Company’s cash flows and is disclosed as a non-cash investing and financing activity in the condensed consolidated statement of cash flows in accordance with ASC 230,Statement of Cash Flows. As of September 30, 2025, the value of Stella’s Series D Preferred Stock received was determined to be $500,000, based on the subsequent sale of the 1,000,279 Stella Series D Preferred Stock for $500,000 in cash, pursuant to Stock Purchase Agreements dated August 20, 2025.

Previous report

On June 5, 2025, we sold an additional 938 shares of Series D Preferred Stock for gross cash proceeds of $750,400 in an additional closing of the Fourth PIPE Financing. On June 25, 2025, we entered into an amendment (the “Amendment”) to the Fourth Securities Purchase Agreement pursuant to which the Company added certain new institutional investors to the schedule of buyers in the Fourth Securities Purchase Agreement, to issue and sell to such investors, in one or more closings shares of the Company’s Series D Preferred Stock. Also, on June 25, 2025, we sold an additional 2,315 shares of Series D Preferred Stock for gross cash proceeds of $1,852,000 in an additional closing of the Fourth PIPE Financing. On July 18, 2025, the Company sold an additional 497 shares of Series D Preferred Stock for gross cash proceeds of $432,600 in an additional closing, and the Company received net proceeds of $320,801.

Previous report

Each additional closing of the PIPE Financings is at the option of the investors upon notice to the Company and subject to satisfaction of customary closing conditions. Additional funds are necessary to maintain current operations and to continue R&D activities. However, there can be no assurance that sufficient funding will be available to allow the Company to successfully continue its R&D activities and planned regulatory filings with the FDA. If the Company is unable to obtain the necessary funds, significant reductions in spending and the delay or cancellation of planned activities may be necessary. These actions would have a material adverse effect on the Company’s business, results of operations, and prospects. These conditions raise substantial doubt about the Company’s ability to continue as a going concern within one year from the date these accompanying financial statements are issued. The accompanying financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts or the amounts and classification of liabilities that might result from the outcome of this uncertainty.

Previous report

As discussed above, on April 21, 2025, the Company entered into the Fourth Securities Purchase Agreement, pursuant to which the Company agreed to issue and sell up to 10,000 shares of Series D Preferred Stock for an aggregate purchase price of up to $8 million in one or more closings which were completed between April 22, 2025 through July 18, 2025.

Previous report

In connection with the Fourth PIPE Financing, we entered into the Fourth PIPE Registration Rights Agreement with the investors. The terms of the Fourth PIPE Registration Rights Agreement require us to register the number of shares of Common Stock equal to 250% of the maximum number of Common Stock issuable upon conversion of the Series D Preferred Stock (assuming for purposes hereof that (x) the Series D Preferred Stock is convertible at the Alternate Conversion Price (as defined in the Series D Certificate of Designations) assuming an Alternate Conversion Date (as defined in the Series D Certificate of Designations) of such date of determination, and (y) any such conversion shall not take into account any limitations on the conversion of the Series D Preferred Stock set forth in the Series D Certificate of Designations).

Previous report

On July 11, 2025, the Company entered into an agreement to issue and sell 12,500,000 shares of Common Stock under the New Keystone Purchase Agreement. As the New Keystone Purchase Agreement constitutes a continuation of the equity line program commenced under the February 2024 Purchase Agreement, the Commitment Shares issued to the Investor pursuant to the February 2024 Purchase Agreement shall satisfy in full the Company’s obligation to deliver any additional shares of Common Stock to the Investor as consideration for entering into the New Keystone Purchase Agreement.

Previous report

On October 14, 2025, we entered into the Fifth Securities Purchase Agreement, pursuant to which we agreed to issue and sell up to 9,750 shares of Series E Preferred Stock for an aggregate purchase price of up to $7 million in one or more closings. On October 16, 2025, we and the requisite buyers party to the Fifth Securities Purchase Agreement entered into Amendment No. 1 to the Securities Purchase Agreement (the “SPA Amendment”) to add an additional Buyer (as defined in the Fifth Securities Purchase Agreement) and increase the size of the Initial Closing (as defined in the Fifth Securities Purchase Agreement) by $500,000 to an aggregate of approximately $2.25 million of gross proceeds and reduce the size of the Additional Closings (as defined in the Fifth Securities Purchase Agreement) by an offsetting amount. There was no change to the aggregate amount of up to $7 million of proceeds to be funded pursuant to the Fifth Securities Purchase Agreement upon consummation of all of the Closings (as defined in the Fifth Securities Purchase Agreement) provided for therein. On October 16, 2025, pursuant to the Fifth Securities Purchase Agreement, we issued and sold, and the PIPE Investors purchased 3,816 shares of the Series E Preferred Stock for aggregate proceeds of approximately $2.25 million, paid in cash. Each Additional Closing under the Fifth Securities Purchase Agreement is subject to a mutual option of the Company and certain PIPE Investors and satisfaction of customary closing conditions. The Fifth Securities Purchase Agreement includes the consent of the holders of the Company’s outstanding Series C and Series D convertible preferred stock to the issuance of the Series E Preferred Stockpari passu therewith, in consideration for the reduction of the conversion price for the Company’s outstanding Series C and Series D convertible preferred stock to $1.76, effective as of the date of the Fifth Securities Purchase Agreement.

Previous report

As previously disclosed, on January 17, 2025, the Company received a letter setting forth the determination of a panel convened by Nasdaq (the “Nasdaq Panel”) granting the Company’s request for an extension (the “Extension”) to regain compliance with certain continued listing requirements of the Nasdaq Stock Market until April 22, 2025. The Company presented its plan (the “Plan”) for regaining compliance with such requirements at a hearing conducted on December 17, 2025. The Company’s Plan included completion of a reverse stock split, which occurred on January 8, 2025, and transferring the listing of its securities to the Nasdaq Capital Market, which was completed on February 12, 2025, and certain other conditions, including the satisfaction of the $2.5 million minimum stockholders’ equity requirement for continued listing on the Nasdaq Capital Market.

Previous report

In addition, as previously disclosed, from November 2024 through September 30, 2025, the Company raised approximately $4.4 million of net proceeds from its equity line of credit entered into November 2024, and an additional approximately $4.2 million of net proceeds from its public offering of shares of common stock, pre-funded warrants and warrants to purchase shares of common stock that closed on February 7, 2025 (the “February 2025 Offering”). As a result of such capital raising activities and the proceeds of the Private Placement received on the First Closing Date, as well as successful negotiations with certain service providers to reduce outstanding balances payable, the Company received a notification letter from Nasdaq on May 7, 2025, stating that the Company had regained compliance with the Nasdaq continued listing standard under Nasdaq Listing Rule 5550(b)(1), which requires, among other things, that the Company maintain at least $2.5 million in stockholders’ equity.

Previous report

On June 11, 2025, we received a Bid Price Requirement Letter notifying us that, for the 30 consecutive business day period between April 25, 2025 through June 9, 2025, the closing bid price for our Common Stock was below the minimum $1.00 per share required for continued listing on The Nasdaq Capital Market set forth in Nasdaq Listing Rule 5550(a)(2), which is required for continued listing of the Common Stock on Nasdaq. We timely appealed the delisting determination by requesting a hearing before the Nasdaq Panel. Such request for a Nasdaq Panel hearing stayed the suspension of the Company’s securities. On July 7, 2025, Nasdaq informed us that they had determined that we have regained compliance with the Bid Price Requirement and were therefore in compliance with the continued listing requirements. As a result, Nasdaq canceled the hearing and the Common Stock will continue to be listed and traded on the Nasdaq Capital Market, subject to maintaining all listing standards.

Previous report

On August 28, 2025, we received a letter from the staff at the Nasdaq Listing Qualifications department notifying us that such staff had determined that we do not comply with the Stockholders’ Equity Requirement. We previously had been out of compliance with Nasdaq continued listing requirements until, on May 7, 2025, we received a determination of a Nasdaq hearings panel (a “Hearings Panel”) that we had regained compliance with such requirements. Accordingly, pursuant to Nasdaq Rule 5815(d)(4)(B), we are subject to a mandatory hearings panel monitor until one year after regaining compliance with such requirements. As a result, Nasdaq staff lack the discretion to grant us a cure period for demonstrating regaining compliance with the Stockholders’ Equity Requirement. The Nasdaq staff indicated that our securities would be suspended from trading on Nasdaq and delisted on September 8, 2025, subject to our right to appeal described below.

Previous report

On September 3, 2025, we requested a hearing to appeal such determination before the Hearings Panel. The hearing request stayed the suspension of the trading of our Common Stock and delisting thereof pending such hearing or any extension provided by the Hearings Panel. The hearing was held on October 14, 2025.

Previous report

On October 29, 2025, we received the determination of the Nasdaq Hearings Panel (the “Panel”) to deny our request to continue the listing of our shares of common stock on Nasdaq and that the trading in our securities would be suspended at the open of trading on October 31, 2025. We submitted a request for review of the Panel’s decision by the Nasdaq Listing and Hearing Review Council. On October 31, 2025, the Company’s shares of common stock have commenced trading on the OTC Pink Sheets.

Previous report

Research and development expenses were $2,386,000 for the three months ended September 30, 2025 as compared to $1,774,000 for the three months ended September 30, 2024, reflecting an increase of $612,000. The increase was primarily attributable to an increase in clinical expenses of approximately $202,000, an increase in scientific consulting fees of $210,000, and an increase in drug manufacturing costs of $278,000, offset by a decrease in lab and other expenses of $19,000, a decrease in depreciation expense of $43,000 and a decrease in other research and development expenses of $16,000. During the first quarter of 2025, we began clinical trials related to the IND for CER-1236.

Previous report

General and administrative expenses were $1,976,000 for the three months ended September 30, 2025 as compared to $2,628,000 for the three months ended September 30, 2024, reflecting a decrease of approximately $652,000. The decrease during the three months ended September 30, 2025 as compared to the three months ended September 30, 2024, was primarily due to a decrease in professional fees of $869,000 related to a decrease in legal fees of $561,000 and a decrease in consulting fees of $464,000, offset by an increase in accounting fees of $149,000 and an increase in director fees of $7,000. Additionally, during the three months ended September 30, 2025 as compared to the three months ended September 30, 2024, salaries and benefits increased by $50,000, and other general and administrative expenses increased by $167,000 primarily attributable to an increase in transfer agent and filing fees.

Previous report

Other expenses was $(494,000) for the three months ended September 30, 2025 as compared to other income of $174,000 for the three months ended September 30, 2024, reflecting a negative change of $668,000. The negative change was primarily due to the recording of a $170,000 gain from change in value of the Company’s earnout liability during the three months ended September 30, 2024 as compared to $0 during the three months ended September 30, 2025 and the recording of a $500,000 write off of deferred offering costs during the three months ended September 30, 2025 as compared to $0 during the three months ended September 30, 2024.

Previous report

For the three months ended September 30, 2025 and 2024, net loss amounted to $4,856,000 and $4,228,000, respectively, which represents an increase in net loss of $628,000, or 14.9%. During the three months ended September 30, 2025, in connection with our Series D Preferred Stock down round triggering event, we recorded deemed dividends of $6,650,000. Accordingly, for the three months ended September 30, 2025 and 2024, net loss attributable to common stockholders amounted to $11,506,000, or $(9.10) per common share, and $4,228,000, or $(170.22) per common share, respectively.

Previous report

Results of Operations for the Nine Months Ended September 30, 2025 and 2024

Previous report

The results of operations for the nine months ended September 30, 2024 arepro forma as the period presented in the following table and discussion includes the Predecessor for the period from January 1, 2024 through February 13, 2024 and the Company for the period from February 14, 2024 through September 30, 2024. This pro forma period from January 1, 2024 to September 30, 2024 does not include the Merger transactions that occurred on-the-line.

Previous report

Research and development expenses were $8,048,000 for the nine months ended September 30, 2025 as compared to $6,157,000 for the nine months ended September 30, 2024, reflecting an increase of $1,891,000. The increase was primarily attributable to an increase in clinical expenses of $2,564,000, an increase in scientific consulting fees of $706,000 and an increase in drug manufacturing costs of $276,000. In the first quarter of 2025, we began clinical trials related to the IND for CER-1236. This increase was primarily offset by a decrease in lab expenses of $481,000 primarily attributable to a decrease in toxicology studies performed in the 2025 period as compared to the 2024 period, a decrease in research and development salaries and benefits of approximately $973,000 which included a decrease in stock-based compensation expense of $775,000 primarily attributable to a decrease in accretion in stock-based option expense and a decrease in other development salaries and benefits of $198,000, a decrease in depreciation expense of $120,000 and a decrease in other research and development costs of $81,000.

Previous report

General and administrative expenses were $5,989,000 for the nine months ended September 30, 2025 as compared to $7,946,000 for the nine months ended September 30, 2024, reflecting a decrease of $1,957,000. The decrease during the nine months ended September 30, 2025 as compared to the nine months ended September 30, 2024, was primarily due to a decrease of $1,750,000 in underwriting fees from the PBAX initial public offering, which were incurred upon the consummation of the business combination in February 2024, a decrease in professional fees of $343,000 attributable to a decrease in legal fees of $377,000 and consulting fees of $415,000, offset by an increase in accounting fees of $399,000, and an increase in director fees of $50,000. Additionally, during the nine months ended September 30, 2025 as compared to the nine months ended September 30, 2024, we had a decrease in outside services of $299,000 primarily due to a decrease in recruitment fees, an increase in other general and administrative expenses of $332,000 primarily attributable to transfer agent and proxy fees, and an increase in public communications of $103,000.

Previous report

Other expenses, net was $(1,343,000) for the nine months ended September 30, 2025 as compared to other income of $5,126,000 for the nine months ended September 30, 2024, reflecting a negative change in other income, net of $6,469,000. The negative change was primarily due to (1) the recording of a $4,870,000 gain from change in value of the Company’s earnout liability and a $320,000 gain recorded for the change in value of the Predecessor’s preferred stock warrant liability during the nine months ended September 30, 2024 as compared to $0 during the nine months ended September 30, 2025, (2) the recording of a gain on settlement of vendor liabilities of $589,000 during the nine months ended September 30, 2024 compared to $0 during the nine months ended September 30, 2025, (3) the recording of stock-based inducement expense of $864,000 during the nine months ended September 30, 2025 as compared to $0 during the nine months ended September 30, 2024, and (4) the recording of a $500,000 write off of deferred offering costs during the nine months ended September 30, 2025 as compared to $0 during the nine months ended September 30, 2024. These decreases in other income and increases in other expenses, net were offset by the recording of other expense of $631,000 during the nine months ended September 30, 2024 related to registration rights penalties recorded compared to $0 during the nine months ended September 30, 2025, and an increase in interest income, net of $43,000.

Previous report

On October 14, 2025, we entered into the Fifth Securities Purchase Agreement, pursuant to which we agree to issue and sell up to 9,750 shares of Series E Preferred Stock for an aggregate purchase price of up to $7 million in one or more closings. On October 16, 2025, we and the requisite buyers party to the Fifth Securities Purchase Agreement entered into Amendment No. 1 to the Securities Purchase Agreement (the “SPA Amendment”) to add an additional Buyer (as defined in the Fifth Securities Purchase Agreement) and increase the size of the Initial Closing (as defined in the Fifth Securities Purchase Agreement) by $500,000 to an aggregate of approximately $2.25 million of gross proceeds and reduce the size of the Additional Closings (as defined in the Fifth Securities Purchase Agreement) by an offsetting amount. There was no change to the aggregate amount of up to $7 million of proceeds to be funded pursuant to the Fifth Securities Purchase Agreement upon consummation of all of the Closings (as defined in the Fifth Securities Purchase Agreement) provided for therein. On October 16, 2025, pursuant to the Fifth Securities Purchase Agreement, we issued and sold, and the PIPE Investors purchased 3,816 shares of the Series E Preferred Stock for aggregate proceeds of approximately $2.25 million, paid in cash.

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Reworded paragraphs (15)

Previous wording

The following Management’s Discussion and Analysis of Financial Condition and Results of Operations provides information that CERo Therapeutics Holdings, Inc. (“the Company”) management believes is relevant to an assessment and understanding of its results of operations and financial condition. The discussion should be read together with (i) the Company’s unaudited condensed consolidated financial statements and related notes that are presented above and (ii) the Company’s audited consolidated financial statements and related notes and management’s discussion and analysis of financial condition and results of operations included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 filed with the Securities and Exchange Commission (the “SEC”) on April 15, 2025. This Management’s Discussion and Analysis of Financial Condition and Results of Operations may contain forward-looking statements based upon current expectations that involve risks and uncertainties. Actual results may differ materially from those anticipated in these forward-looking statements resulting from various factors. Please see “Cautionary Note Regarding Forward Looking Statements” and “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 and the subsequent Quarterly Report on Form 10-Q as filed with the SEC. Unless the context otherwise requires, references in this section to “Predecessor” is intended to mean the business and operations of CERo Therapeutics, Inc. prior to the Merger.

Current wording

The following Management’s Discussion and Analysis of Financial Condition and Results of Operations provides information that CERo Therapeutics Holdings, Inc. (“the Company”) management believes is relevant to an assessment and understanding of its results of operations and financial condition. The discussion should be read together with (i) the Company’s unaudited condensed consolidated financial statements and related notes that are presented above and (ii) the Company’s audited consolidated financial statements and related notes and management’s discussion and analysis of financial condition and results of operations included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025 filed with the Securities and Exchange Commission (the “SEC”) on April 15, 2026. This Management’s Discussion and Analysis of Financial Condition and Results of Operations may contain forward-looking statements based upon current expectations that involve risks and uncertainties. Actual results may differ materially from those anticipated in these forward-looking statements resulting from various factors. Please see “Cautionary Note Regarding Forward Looking Statements” and “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025 as filed with the SEC.

Previous wording

The accompanying financial statements have been prepared assuming that the Company will continue as a going concern, which contemplates the realization of assets and satisfaction of liabilities in the normal course of business. The Company’s ability to continue as a going concern is dependent on its ability to raise additional capital to fund its R&D activities and meet its obligations on a timely basis. As of September 30, 2025, the Company reported approximately $1.9 million of cash and cash equivalents, with an accumulated deficit of approximately $86.3 million.

Current wording

The accompanying unaudited condensed consolidated financial statements have been prepared assuming that the Company will continue as a going concern, which contemplates the realization of assets and satisfaction of liabilities in the normal course of business. The Company’s ability to continue as a going concern is dependent on its ability to raise additional capital to fund its research and development (“R&D”) activities and meet its obligations on a timely basis. As of March 31, 2026, the Company reported approximately $857,489 of cash, restricted cash, and cash equivalents, a working capital deficit of approximately $9.8 million, and an accumulated deficit and stockholders’ deficit of approximately $96.7 million and $9.3 million, respectively. Additionally, during the three months ended March 31, 2026, the Company used approximately $2.8 million of net cash in operating activities, has a net loss of $5.9 million and has no revenues. During the three months ended March 31, 2026, we received net proceeds from the sale of common stock in connection with ELOC fundings. Additional funds are necessary to maintain current operations and to continue R&D activities. However, there can be no assurance that sufficient funding will be available to allow the Company to successfully continue its R&D activities and planned regulatory filings with the FDA. If the Company is unable to obtain the necessary funds, significant reductions in spending and the delay or cancellation of planned activities may be necessary. These actions would have a material adverse effect on the Company’s business, results of operations, and prospects. These conditions raise substantial doubt about the Company’s ability to continue as a going concern within one year from the date these unaudited condensed consolidated financial statements are issued. These unaudited condensed consolidated financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts or the amounts and classification of liabilities that might result from the outcome of this uncertainty.

Previous wording

At 12:01 a.m. Eastern time on January 8, 2025, the Company effected the Reverse Stock Split pursuant to which each 100 shares of Common Stock outstanding immediately prior thereto was converted into 1 share of Common Stock outstanding immediately thereafter, and at 12:01 a.m. Eastern time on June 13, 2025, the Company effected the Reverse Stock Split pursuant to which each 20 shares of Common Stock outstanding immediately prior thereto was converted into 1 share of Common Stock outstanding immediately thereafter.

Current wording

At 12:01 a.m. Eastern time on January 8, 2025, we effected the Reverse Stock Split pursuant to which each 100 shares of our Common Stock outstanding immediately prior thereto was converted into 1 share of our Common Stock outstanding immediately thereafter.

Previous wording

In July 2025, CER-1236 received an FDA Orphan Drug Designation for the treatment of acute myeloid leukemia. In September 2025, the FDA granted Fast Track Designation to our lead investigational compound, CER-1236 for acute myeloid leukemia, which is in addition to the existing Orphan Drug Designation for the same compound. The FDA’s Fast Track Designation is designed to accelerate the development and review of therapies for serious or life-threatening conditions with unmet medical need. The designation provides us with the opportunity for increased FDA interactions, potential eligibility for priority review, and the ability to submit data on a rolling basis. Further, it also requires us to potentially provide expanded access to the investigational drug on an as approved basis under pre-specified conditions.

Current wording

In July 2025, CER-1236 received an FDA Orphan Drug Designation for the treatment of acute myeloid leukemia. In September 2025, the FDA granted Fast Track Designation to our lead investigational compound, CER-1236 for acute myeloid leukemia, which is in addition to the existing Orphan Drug Designation for the same compound. The FDA’s Fast Track Designation is designed to accelerate the development and review of therapies for serious or life-threatening conditions with unmet medical need. The designation provides us with the opportunity for increased FDA interactions, potential eligibility for priority review, and the ability to submit data on a rolling basis.

Previous wording

Predecessor and the Company have not recognized any revenue from any sources, including from product sales, and the Company does not expect to generate any revenue from the sale of products in the foreseeable future. If the development efforts for the Company’s product candidates, each of which is a specific product and indication combination, are successful and result in regulatory approval, or if the Company executes license agreements with third parties, the Company may generate revenue from R&D services, from the achievement of development milestones or from milestones and royalties related to product sales. However, there can be no assurance as to when any revenues will be generated, if at all.

Current wording

The Company has not recognized any revenue from any sources, including from product sales, and the Company does not expect to generate any revenue from the sale of products in the foreseeable future. If the development efforts for the Company’s product candidates, each of which is a specific product and indication combination, are successful and result in regulatory approval, or if the Company executes license agreements with third parties, the Company may generate revenue from R&D services, from the achievement of development milestones or from milestones and royalties related to product sales. However, there can be no assurance as to when any revenues will be generated, if at all.

Previous wording

Other income (expense), net consists predominantly of interest income from interest bearing bank accounts, interest expense on payables, gains recorded on settlements reached with vendors on payables, and the gain or loss on the revaluation of earnout and derivative liabilities, which represents the change in fair value of earnout liabilities or outstanding warrants between periods.

Current wording

Other expenses, net consists predominantly of interest income from interest bearing bank accounts, interest expense, and gains or losses on the initial valuation and revaluation of earnout and derivative liabilities, which represents the initial fair value and change in fair value of conversion options related to our convertible notes payable between periods.

Previous wording

For the nine months ended September 30, 2025 and 2024, net loss amounted to $15,380,000 and $8,976,000, respectively, which represents an increase in net loss of $6,403,000, or 71.3%. During the nine months ended September 30, 2025, in connection with our Series A, Series B and Series C preferred stock conversions and the redemption of Series C Preferred Stock, we recorded deemed dividends of $31,614,000, in connection with the triggering of a down round provision in connection with our Series D Preferred Stock, we recorded a deemed dividend of $6,650,000, and in connection with the adjustment in the exercise price of Series C Common Warrants, we recorded deemed dividends of $84,000. Accordingly, for the nine months ended September 30, 2025 and 2024, net loss attributable to common stockholders amounted to $47,078,000, or $(72.94) per common share, and $8,976,000, or approximately $(587.00) per common share, respectively.

Current wording

For the three months ended March 31, 2026 and 2025, net loss amounted to $5.9 million and $5.1 million, respectively, an increase of $0.8 million, or 15.3%. During the three months ended March 31, 2025, in connection with our Series A and Series B preferred stock conversions, and the redemption of Series C Preferred Stock, we recorded deemed dividends of $0.3 million, and in connection with the adjustment in the exercise price of Series C Common Warrants, we recorded deemed dividends of $0.1 million. Accordingly, for the three months ended March 31, 2026 and 2025, net loss attributable to common stockholders amounted to $5.9 million, or $0.20 per common share and $5.4 million, or $31.82 per common share, respectively.

Previous wording

Predecessor and the Company have not generated any revenue from any source and the Company does not expect to generate revenue for at least the next few years. If the Company fails to complete the timely development of, or fails to obtain regulatory approval for, its product candidates, the ability of the Company to generate future revenue will be adversely affected. The Company does not know when, or if, it will generate any revenue from its product candidates, and does not expect to generate revenue unless and until the Company obtains regulatory approval and commercialization of its product candidates.

Current wording

The Company has not generated any revenue from any source and the Company does not expect to generate revenue for at least the next few years. If the Company fails to complete the timely development of, or fails to obtain regulatory approval for, its product candidates, the ability of the Company to generate future revenue will be adversely affected. The Company does not know when, or if, it will generate any revenue from its product candidates and does not expect to generate revenue unless and until the Company obtains regulatory approval and commercialization of its product candidates.

Previous wording

The Company, therefore, anticipates that substantial additional funding will be needed in connection with its continuing operations. As of September 30, 2025, the Company had approximately $1.9 million in cash and cash equivalents. The Company intends to devote most of the available cash to the preclinical and clinical development of its product candidates and public company compliance costs. Based on current business plans, the Company believes that the cash available as of September 30, 2025 will not fund its operations and capital requirements for 12 months after the filing of these unaudited condensed financial statements for the period ended September 30, 2025. The Company has arranged two equity lines of credit, one providing for the sale of up to 25,000,000 newly issued shares of Common Stock and the other providing for the purchase of up to $17.5 million of Common Stock on the satisfaction of certain conditions. The Company has no guarantee that the conditions will be satisfied to require the purchase of all, or any additional amount, of the ELOC funds. On February 5, 2025, the Company entered into the SPA, with participation from a member of the Company’s Board and a single institutional investor, for the purchase and sale of (i) 127,551 shares of our common stock or common stock equivalents in lieu thereof; and (ii) February 2025 Common Warrants to purchase up to 127,551 shares of common stock, at a combined public offering price of $39.20 per share and warrant. In connection with this offering, the Company received net proceeds of approximately $4.2 million. Additionally, during the nine months ended September 30, 2025, the Company received net proceeds from the exercise of the remaining Series A Preferred Warrants, the collection of subscriptions receivable and ELOC fundings of approximately $4.2 million. Furthermore, during the nine months ended September 30, 2025, we received net proceeds from the sales of Series D Preferred Stock of $2.6 million.

Current wording

The Company, therefore, anticipates that substantial additional funding will be needed in connection with its continuing operations. As of March 31, 2026, the Company had approximately $857,000 in cash, restricted cash, and cash equivalents, a working capital deficit of approximately $9.8 million, and an accumulated deficit of approximately $96.7 million. Additionally, during the three months ended March 31, 2026, the Company used approximately $2.8 of net cash in operating activities. The Company intends to devote most of the available cash to the clinical development of its product candidates and public company compliance costs. Based on current business plans, the Company believes that the cash available as of March 31, 2026 will not fund its operations and capital requirements for 12 months after the filing of these unaudited consolidated financial statements for the three months ended March 31, 2026. During the three months ended March 31, 2026, we received net proceeds of $456,166 from ELOC fundings. Furthermore, on February 9, 2026 and on March 6, 2026, we issued and sold Convertible Notes for an aggregate purchase price of $1,500,000 ($750,000 each), having an aggregate principal face value of $1,875,000 ($937,500 each) to Keystone. Additional funds are necessary to maintain current operations and to continue R&D activities. However, there can be no assurance that sufficient funding will be available to allow the Company to successfully continue its R&D activities and planned regulatory filings with the FDA. If the Company is unable to obtain the necessary funds, significant reductions in spending and the delay or cancellation of planned activities may be necessary. These actions would have a material adverse effect on the Company’s business, results of operations, and prospects. These conditions raise substantial doubt about the Company’s ability to continue as a going concern within one year from the date the unaudited consolidated financial statements are issued. These unaudited consolidated financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts or the amounts and classification of liabilities that might result from the outcome of this uncertainty.

Previous wording

Any estimate as to how long the Company expects the net proceeds from the ELOC and Series D Preferred Stock and Series E Preferred Stock funding may fund the Company’s operations is based on assumptions that may prove to be wrong, and the Company could use its available capital resources sooner than its current expectations. On October 31, 2025, the Common Stock ceased trading on Nasdaq as a result of the Panel’s delisting determination. The OTC Pink Sheets and, if the Common Stock is admitted for trading thereon, the OTC Markets, are expected to be less liquid markets for the Common Stock. Such lack of liquidity may cause the investors party to the Fifth Securities Purchase Agreement to be less likely to exercise their option to acquire additional shares of Series E Preferred Stock and otherwise make it more difficult for us to raise capital. Changing circumstances, some of which may be beyond the Company’s control, could result in less cash and cash equivalents available to fund operations or cause the Company to consume capital significantly faster than currently anticipated, and the Company may need to seek additional funds from additional sources sooner than planned.

Current wording

On October 31, 2025, the Common Stock ceased trading on Nasdaq as a result of the Panel’s delisting determination. The OTC Markets are less liquid markets for the Common Stock. Such lack of liquidity may make it more difficult for us to raise capital. Changing circumstances, some of which may be beyond the Company’s control, could result in less cash and cash equivalents available to fund operations or cause the Company to consume capital significantly faster than currently anticipated, and the Company may need to seek additional funds from additional sources sooner than planned.

Previous wording

Net cash used in operating activities for the nine months ended September 30, 2024 primarily reflected a net loss of $8,976,000, adjusted for the reconciliation of non-cash items such as a gain of settlement of liabilities with vendors of $589,000, depreciation expense of $342,000, stock-based compensation of $1,904,000, amortization of right-of-use asset of $537,000 and a gain on revaluation of earnout liability and the preferred stock warrant liability of $5,190,000, and changes in operating asset and liabilities primarily consisting of a decrease in accounts payable of $232,000, an increase in accrued liabilities of $1,476,000, and a decrease in operating lease liabilities of $642,000.

Current wording

Net cash used in operating activities for the three months ended March 31, 2026 primarily reflected a net loss of $5,886,000, adjusted for the reconciliation of non-cash items such as depreciation expense of $62,000, stock-based compensation of $1,617,000, amortization of right-of-use asset of $214,000, amortization of debt discount of $137,000, and loss on initial and reevaluation of derivative liabilities of $897,000, and changes in operating asset and liabilities primarily consisting of a decrease in prepaid expenses and other current assets of $355,000, an increase in accounts payable of $106,000, an increase in accrued liabilities of $137,000, a decrease in insurance financing liability of $143,000, and a decrease in operating lease liabilities of $238,000.

Previous wording

Net cash used in operating activities for the nine months ended September 30, 2025 primarily reflected a net loss of $15,380,000, adjusted for the reconciliation of non-cash items such as depreciation expense of $215,000, stock-based compensation of $836,000, stock-based inducement expense of $864,000, write off of deferred offering costs of $500,000, and amortization of right-of-use asset of $595,000, and changes in operating asset and liabilities primarily consisting of an increase in prepaid expenses and other current assets of $257,000, an increase in accounts payable of $1,426,000, a decrease in accrued liabilities of $429,000, and a decrease in operating lease liabilities of $644,000.

Current wording

Net cash used in operating activities for the three months ended March 31, 2025 primarily reflected a net loss of $5,106,000, adjusted for the reconciliation of non-cash items such as depreciation expense of $76,000, stock-based compensation of $305,000, inducement expense of $156,000, and amortization of right-of-use asset of $193,000, and changes in operating asset and liabilities primarily consisting of an increase in prepaid expenses and other current assets of $290,000, an increase in accounts payable of $728,000, a decrease in accrued liabilities of $300,000, and a decrease in operating lease liabilities of $209,000.

Previous wording

Net cash provided by financing activities for the nine months ended September 30, 2025 amounted to $10,469,000 as compared to $12,241,000 for the nine months ended September 30, 2024.

Current wording

Net cash provided by financing activities for the three months ended March 31, 2026 amounted to $1,956,000 as compared to $6,322,000 for the three months ended March 31, 2025.

Previous wording

During the nine months ended September 30, 2025, net cash provided by financing activities of $10,469,000 was primarily attributable to the receipt of net proceeds of $500,000 from the exercise of Series A Preferred Warrants, net proceeds of $3,704,000 from the sale of common stock under the ELOC and collection of stock subscription receivables, net proceeds of $2,561,000 from the sale of Series D Preferred Stock, and net proceeds from sale of common stock and pre-funded warrants of $4,273,000, offset by the cash redemption of Series C Preferred Stock of $395,000 and the payment of offering costs of $174,000.

Current wording

During the three months ended March 31, 2025, net cash provided by financing activities of $6,322,000 was primarily attributable to the receipt of net proceeds of $500,000 from the exercise of Series A Preferred Warrants, net proceeds of $1,227,000 from the sale of common stock under the ELOC, proceeds of $717,000 from the collection of stock subscriptions receivable from previous sales of common stock under the ELOC, and net proceeds from sale of common stock and pre-funded warrants of $4,273,000, offset by the cash redemption of Series C Preferred Stock of $395,000.

Previous wording

See the section titled in Note 2 to the Company’s condensed consolidated financial statements for the quarter ended September 30, 2025, appearing elsewhere herein.

Current wording

See the section titled in Note 2 to the Company’s unaudited consolidated financial statements for the three months ended March 31, 2026, appearing elsewhere herein.
Rearranged current paragraphs (2)

Current report — wording carried from elsewhere

At 12:01 a.m. Eastern time on June 13, 2025, we effected the Reverse Stock Split pursuant to which each 20 shares of our Common Stock outstanding immediately prior thereto was converted into 1 share of our Common Stock outstanding immediately thereafter.

Current report — wording carried from elsewhere

Any estimate as to how long the Company expects the net proceeds from the ELOC and convertible notes payable fundings may fund the Company’s operations is based on assumptions that may prove to be wrong, and the Company could use its available capital resources sooner than its current expectations.
Rearranged previous paragraphs (2)

Previous report — wording carried elsewhere

The Company anticipates that its R&D expenses will significantly increase in the future as the Company increases headcount, compensation expense, and contracted services for preclinical and clinical development of its product candidates, as well as for manufacturing of clinical product to be used in clinical development.

Previous report — wording carried elsewhere

Net loss and net loss attributable to common stockholders