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Coya Therapeutics, Inc.

For the period ended Dec 31, 2025. Filed Mar 16, 2026.

View on SEC.gov

About this filing

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

FY2025 · Filed Mar 16, 2026

COYA$2.99+6.4%Stored close · as of Nov 6, 2026

What changed in Management’s Discussion and Analysis?

Read the current filing

Previous report: 10-K

Period ended 2024-12-31; filed 2025-03-18.

0000950170-25-040782

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Current report: 10-K

Period ended 2025-12-31; filed 2026-03-16.

0001193125-26-107281

Item 7. 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 127 previous paragraphs and 123 current paragraphs.

93 unchanged; 19 reworded; 9 added; 13 removed; 2 previous and 2 current paragraphs rearranged.

Tables are not compared: 3 previous and 3 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 (9)

Current report

We are currently conducting the ALSTARS Trial, a Phase 2, randomized, multi-center, double-blind, placebo-controlled study to evaluate the efficacy and safety of COYA 302 for the treatment of ALS (ClinicalTrials.gov Identifier: NCT 07161999). COYA 302 is an investigational product not yet approved by the U.S. Food and Drug Administration, or the FDA, or any other regulatory agency.

Current report

In August of 2025, the FDA accepted our IND application for a randomized, double-blind placebo-controlled Phase 2, study of COYA 302 in ALS patients, or the ALS IND Milestone, resulting in the receipt of a $4.2 million milestone payment from Dr. Reddy’s (defined below) as required under the terms of the Development and License Agreement, or the DRL Development Agreement. In December of 2025, we received a $4.2 million milestone payment under the DRL Development Agreement. The milestone payment was triggered by dosing of the first patient in our ALSTARS trial evaluating COYA 302 for the treatment of ALS, or the Dosing Milestone, which was announced on December 9, 2025.

Current report

In October of 2025, we entered into an Underwriting Agreement with Lucid Capital Markets, LLC, or the Underwriter, relating to an underwritten public offering, or the October 2025 Offering, of 4,181,818 shares of our common stock, including 545,454 shares pursuant to the full exercise of an option to purchase additional shares granted to the Underwriter. The October 2025 Offering closed on October 27, 2025 and each share was offered and sold to the public at an offering price of $5.50 per share. Gross proceeds from the October 2025 Offering, including the proceeds from the exercise by the Underwriter of its option to purchase additional Shares, was approximately $23.0 million, before deducting underwriting discounts and commissions and estimated offering expenses payable by us. In addition, we issued our strategic advisor warrants to purchase 100,000 shares of common stock with an exercise price of $5.50 and an expiration date of October 2030.

Current report

In January of 2026, we entered into a Securities Purchase Agreement with certain accredited investors for the issuance and sale in a private placement of 2,522,727 shares of our common stock, or the January 2026 Offering. The January 2026 Offering closed on January 30, 2026 and each share was offered and sold to the public at an offering price of $4.40 per share. Gross proceeds from the private placement were approximately $11.1 million, before deducting underwriting discounts and commissions and estimated expenses payable by us.

Current report

Collaboration revenues were $7.9 million for the year ended December 31, 2025, compared to $3.6 million for the year ended December 31, 2024. The increase was primarily due to a $3.6 million increase in License revenue and a $0.7 million increase in R&D services revenue. Licenses revenue totaled $6.7 million for year ended December 31, 2025, arising from milestone payments received upon achievement of the ALS IND Milestone and Dosing Milestone

Current report

In-process research and development was $2.3 million for the year ended December 31, 2025 compared to $0 the year ended December 31, 2024 as result of milestone payments pursuant to our license agreements which were due upon the achievement of the IND Milestones and the Dosing Milestone which were met in 2025.
Removed paragraphs (13)

Previous report

On October 21, 2024, we entered into a Securities Purchase Agreement with certain accredited investors, majority of which were existing institutional stockholders of ours, for the issuance and sale in a private placement of 1,379,314 shares of our common stock, or the October 2024 Private Placement. The offering resulted in net proceeds of $9.1 million, at a price of $7.25 per share of common stock, after deducting placement agent commissions and other offering expenses. We paid a cash fee equal to 7% of the gross proceeds from the sale of securities in the offering and we issued our strategic advisor in the October 2024 Private Placement warrants to purchase an aggregate of 150,000 shares of common stock with an exercise price of $7.00 per share and an expiration date of November 2029.

Previous report

On May 17, 2024, we entered into a Securities Purchase Agreement with the Alzheimer's Drug Discovery Foundation, or the ADDF, for the issuance and sale in a private placement of 603,136 shares of our common stock at a purchase price of $8.29 per share for net proceeds of $4.9 million, or the May 2024 Private Placement. In connection with the May 2024 Private Placement, we entered into an Agreement to Accept Conditions for Biotechnology Funding agreement, with ADDF pursuant to which the proceeds received in connection with the May 2024 Private Placement will be used for a Phase 2 study of COYA 302 in FTD.

Previous report

On December 5, 2023, we entered into a securities purchase agreement with certain accredited investors for the issuance and sale in a private placement of 4,370,382 shares of our common stock at a price of $6.06 per share of common stock (the "2023 Private Placement"). The offering resulted in net proceeds of $24.0 million after deducting placement agent commissions and other offering expenses. In connection with the 2023 Private Placement and as a form of payment for services provided by a co-placement agent and financial advisor, we issued warrants to purchase up to 319,004 shares of common stock at an exercise price of $7.58 per share. Such warrants have a term of four years from issuance, and are fully exercisable.

Previous report

Under the terms of our exclusive License and Supply Agreement, or DRL Agreement, with DRL, we paid a licenses fee of $0.5 million, which was expensed as in-process research and development expense during the year ended December 31, 2023. In-process research and development expenses were immaterial for the year ended December 31, 2024.

Previous report

We measure compensation expense for all stock-based awards based on the estimated fair value of the stock-based awards on the grant date. We use the Black-Scholes option pricing model to value our stock option awards. We recognize compensation expense on a straight-line basis over the requisite service period, which is generally the vesting period of the award. We have not issued awards for which vesting is subject to a market or performance conditions.

Previous report

We estimate the fair value of stock options using the Black-Scholes option-pricing model, which requires assumptions, including the fair value of our common stock prior to the IPO, volatility, the expected term of our stock options, the risk-free interest rate for a period that approximates the expected term of our stock options, and our expected dividend yield. Certain assumptions used in our Black-Scholes option-pricing model represent management’s best estimates and involve a number of variables, uncertainties and assumptions and the application of management’s judgment, as they are inherently subjective. If any assumptions change, our stock-based compensation expense could be materially different in the future.

Previous report

Fair value of common stock— Historically, for all periods prior to our IPO, the fair value of the shares of common stock underlying our share-based awards was estimated on each grant date by our board of directors. To determine the fair value of our common stock underlying option grants, our board of directors considered, among other things, valuations of our common stock prepared by an unrelated third-party valuation firm in accordance with the guidance provided by the American Institute of Certified Public Accountants Practice Guide, Valuation of Privately-Held-Company Equity Securities Issued as Compensation, or the Practice Aid. Since becoming a public company in 2022, we have used our stock price to determine fair value of our common stock.

Previous report

Expected volatility—As a privately held company we did not have any trading history for our common stock; accordingly the expected volatility was estimated based on the average volatility for comparable publicly traded biotechnology companies over a period equal to the expected term of the stock option grants. The comparable companies were chosen based on their similar size, stage in the life cycle or area of specialty. As a public company will continue to use the average volatility for comparable publicly traded biotechnology companies until we have ample trading history of our own stock commensurate with the estimated expected term of our options.
Reworded paragraphs (19)

Previous wording

We are a clinical-stage biotechnology company focused on developing proprietary new therapies to enhance the function of regulatory T cells (“Tregs”). Tregs are a subpopulation of T-lymphocytes consisting of CD4+CD25high hFOXP3+ cells that suppress inflammatory responses. Tregs were first discovered in 1995 by Dr. Shimon Sakaguchi and since their discovery multiple lines of research have contributed to elucidate Treg biology and its role in health and disease. Tregs and their transcription factors have been shown to be essential to maintaining cellular homeostasis by regulating autoimmune and inflammatory responses and maintaining self-tolerance in mammals. Dysfunctional Tregs underlie numerous disease states, and this cellular dysfunction is driven by the chronic inflammatory environment and high levels of oxidative stress commonly observed in certain diseases. Further, the degree of Treg dysfunction is correlated with the severity and progression of serious and life-threatening conditions. These and other recent advances in the understanding of Treg biology, have made this subset of T-lymphocytes an important potential therapeutic target, which we believe may provide new treatments for serious diseases.

Current wording

We are a clinical-stage biotechnology company focused on developing proprietary new therapies to enhance the function of regulatory T cells (“Tregs”). Tregs are a subpopulation of T-lymphocytes consisting of CD4+CD25high hFOXP3+ cells that suppress inflammatory responses. Tregs were first discovered in 1995 by Dr. Shimon Sakaguchi. On October 6, 2025, Dr. Sakaguchi, along with two others, was awarded the Nobel Prize in Physiology or Medicine. Since Tregs were discovered, multiple lines of research have contributed to elucidate Treg biology and its role in health and disease. Tregs and their transcription factors have been shown to be essential to maintaining cellular homeostasis by regulating autoimmune and inflammatory responses and maintaining self-tolerance in mammals. Dysfunctional Tregs underlie numerous disease states, and this cellular dysfunction is driven by the chronic inflammatory environment and high levels of oxidative stress commonly observed in certain diseases. Further, the degree of Treg dysfunction is correlated with the severity and progression of serious and life-threatening conditions. These and other recent advances in the understanding of Treg biology, have made this subset of T-lymphocytes an important potential therapeutic target, which we believe may provide new treatments for serious diseases.

Previous wording

Our operations have consisted of developing our clinical and preclinical product candidates and we have devoted substantially all of our resources to developing product and technology rights, conducting research and development (which includes preclinical and non-clinical studies of our product candidates), organizing and staffing our company, ongoing business operations and raising capital. We have funded our operations primarily through the private and public sale of our securities. Our net losses were $14.9 million and $8.0 million for the years ended December 31, 2024 and 2023, respectively. As of December 31, 2024, we had an accumulated deficit of $40.7 million. Our primary use of cash is to fund operating expenses, which consist primarily of research and development expenditures and general and administrative expenditures. Our ability to generate product revenue sufficient to achieve profitability will depend heavily on the successful development and eventual commercialization of one or more of our current or future product candidates.

Current wording

Our operations have consisted of developing our clinical and preclinical product candidates and we have devoted substantially all of our resources to developing product and technology rights, conducting research and development (which includes preclinical and non-clinical studies of our product candidates), organizing and staffing our company, ongoing business operations and raising capital. We have funded our operations primarily through the private and public sale of our securities. Our net losses were $21.2 million and $14.9 million for the years ended December 31, 2025 and 2024, respectively. As of December 31, 2025, we had an accumulated deficit of $62.0 million. Our primary use of cash is to fund operating expenses, which consist primarily of research and development expenditures and general and administrative expenditures. Our ability to generate product revenue sufficient to achieve profitability will depend heavily on the successful development and eventual commercialization of one or more of our current or future product candidates.

Previous wording

To date, we have not recognized any revenue from product sales, and we do not expect to generate any revenue from the sale of products in the foreseeable future. If our development efforts for our product candidates are successful and result in regulatory approval, or license agreements with third parties, we may generate revenue in the future from product sales. However, there can be no assurance as to when we will generate such revenue, if at all. Collaboration revenue represents revenue from the DRL Development Agreement, as amended in June 2024, pursuant to which we granted Dr. Reddy's an exclusive, royalty-bearing right and license to commercialize COYA 302, solely for use in patients with ALS in the United States, Canada, the European Union and the United Kingdom, or collectively, the New Territories.

Current wording

To date, we have not recognized any revenue from product sales, and we do not expect to generate any revenue from the sale of products in the foreseeable future. If our development efforts for our product candidates are successful and result in regulatory approval, or license agreements with third parties, we may generate revenue in the future from product sales. However, there can be no assurance as to when we will generate such revenue, if at all. Collaboration revenue represents revenue from the DRL Development Agreement, as amended in June 2024, pursuant to which we granted Dr. Reddy's Laboratories Ltd., or DRL, and its affiliate, Dr. Reddy’s Laboratories SA, or collectively Dr. Reddy’s, an exclusive, royalty-bearing right and license to commercialize COYA 302, solely for use in patients with ALS in the United States, Canada, the European Union and the United Kingdom, or collectively, the New Territories. Collaboration revenue includes two performance obligations, R&D Services and the License (both defined below). We allocate the transaction price to both performance obligations based on their estimated stand-alone selling price at contract inception. R&D Services revenue is recognized over time, using the inputs approach, by applying actual COYA 302 - ALS expenses against budgeted COYA 302 - ALS expenses. License revenue is recognized at a point in time upon delivery of the license or upon a cumulative catch-up adjustment in the event of a contract modification or achievement of milestones.

Previous wording

Once a product candidate has received approval from the FDA of its IND application, we consider it a clinical product candidate. For each of our clinical product candidates, we report or will report external development costs and other external research and development costs attributable to such clinical product candidates. These external development costs include: fees paid to CROs, CMOs and research laboratories, process development, manufacturing and clinical development activities. Any internal research and development expenses associated with clinical product candidates are captioned as internal research and development costs as described in the paragraph above.

Current wording

Once a product candidate has received approval from the FDA of its IND application, we consider it a clinical product candidate. For each of our clinical product candidates, we report or will report external development costs and other external research and development costs attributable to such clinical product candidates. These external development costs include: fees paid to CROs,

Previous wording

Research and development activities are central to our business model. Product candidates in later stages of clinical development generally have higher development costs than those in earlier stages of clinical development, primarily due to the increased size and duration of later-stage clinical trials. We expect our research and development expenses to increase significantly over the next several years as we increase personnel costs, including stock-based compensation, conduct our clinical trials, including later-stage clinical trials, for current and future product candidates and prepare regulatory filings for our product candidates. In addition, we expect spending in 2024 to increase over 2023 spending levels and will be focused primarily on advancing COYA 301 and COYA 302. As described in the notes to financial statements contained elsewhere in this Annual Report on Form 10-K, under the terms of our license we may be required to make payments to Methodist if certain milestones are achieved. This could result in significant charges to research and development in the period such milestones become probable of being achieved.

Current wording

Research and development activities are central to our business model. Product candidates in later stages of clinical development generally have higher development costs than those in earlier stages of clinical development, primarily due to the increased size and duration of later-stage clinical trials. We expect our research and development expenses to increase significantly over the next several years as we increase personnel costs, including stock-based compensation, conduct our clinical trials, including later-stage clinical trials, for current and future product candidates and prepare regulatory filings for our product candidates. As described in the notes to financial statements contained elsewhere in this Annual Report on Form 10-K, under the terms of our license we may be required to make payments to Methodist if certain milestones are achieved. This could result in significant charges to research and development in the period such milestones become probable of being achieved

Previous wording

Other income, net consists primarily of interest earned on our excess cash.

Current wording

Other income consists primarily of interest earned on our excess cash.

Previous wording

Research and development expenses increased by $6.4 million from $5.5 million for the year ended December 31, 2023 to $11.9 million for the year ended December 31, 2024. The increase was due to a $5.0 million increase in our preclinical expenses, a $1.1 million increase in internal research and development expenses, and a $0.3 million increase in costs attributable to our sponsored research agreement with Houston Methodist Hospital. External research and development expenses include fees paid to CROs and CMOs and fees paid to regulatory, clinical trial and manufacturing professional service firms largely in connection with preclinical activities necessary to prepare COYA 302 for its initial IND filing and launch of a Phase 2 clinical trial. Once the IND for COYA 302 has been approved, we intend to expand the table below, creating a new class called "Clinical product candidates," wherein we will disclose the clinical expenses for COYA 302.

Current wording

Research and development expenses increased by $4.9 million from $11.9 million for the year ended December 31, 2024 to $16.7 million for the year ended December 31, 2025. The increase was due to a $4.9 million increase in our clinical expenses due to our clinical advancement of COYA 302 in ALS, a $1.4 million increase in internal research and development expenses, and a $0.4 million increase in sponsored research, partially offset by a $1.8 million decrease in our preclinical expenses. For our clinical product candidate (COYA 302), we track our external research and development expenses on a candidate-by-candidate basis. Coincident with FDA's approval of our IND of COYA 302 in patients with ALS, in the third quarter of 2025, we characterized expenses related to COYA 302 for ALS as clinical product candidate expenses. Prior to the third quarter of 2025, all expenses associated with COYA 302 for ALS were included among the preclinical product candidate expenses captioned as COYA 300 Series. For our preclinical product candidates, we track our external research and development expenses by Series. External research and development expenses include fees paid to CROs and CMOs and fees paid to regulatory, clinical trial and manufacturing professional service firms largely in connection with preclinical activities necessary to prepare COYA 302 for its initial IND filing and launch of a Phase 2 clinical trial. On December 23, 2025, we received FDA approval of our IND of COYA 302 in patients with FTD, or the FTD IND Milestone, together with the ALS IND Milestone, the IND Milestones. While we began to track our external research and development expenses for COYA 302 for FTD upon FDA approval, such costs were de minimis for the period from December 23, 2025 through December 31, 2025. Therefore, we will characterize expenses related to COYA 302 for FTD as clinical product candidate expenses in 2026.

Previous wording

General and administrative expenses increased by $1.1 million from $7.8 million for year ended December 31, 2023 to $8.9 million for the year ended December 31, 2024. The increase was primarily due to a $1.2 million increase in payroll and employee related benefits, a $0.3 million increase in franchise taxes and license fees and $0.2 million increase in our investor and public relations costs, partially offset by a $0.2 million decrease in insurance fees and a $0.4 million decrease in professional service fees.

Current wording

General and administrative expenses increased by $2.5 million from $8.9 million for year ended December 31, 2024 to $11.4 million for the year ended December 31, 2025. The increase was primarily due to a $1.6 million increase in payroll and employee related benefits, a $0.6 million increase in professional service fees and a $0.3 million increase in our investor and public relations costs.

Previous wording

Other income, net increased by $1.0 million from the year ended December 31, 2023 compared to the year ended December 31, 2024. The increase was due to interest and dividend income earned on cash balances.

Current wording

Other income decreased by $0.3 million from the year ended December 31, 2024 compared to the year ended December 31, 2025. The decrease was due to a reduction in interest and dividend income earned on cash balances.

Previous wording

We recorded $0.7 million of income tax benefit for the year ended December 31, 2024, which offset the $0.7 million of income tax expense recorded for the year ended December 31, 2023.

Current wording

We recorded state tax expense for the year ended December 31, 2025 and $0.7 million of income tax benefit for the year ended December 31, 2024.

Previous wording

Since our inception, we have incurred operating losses and incurred negative cash flows from our operations through 2024. We have not yet commercialized any product and we do not expect to generate revenue from sales of any products for several years, if at all. Since our inception through December 31, 2024 we have funded our operations through the public and private sale of our equity securities, and payments from DRL in accordance with the DRL Development Agreement. As of December 31, 2024 we had $38.3 million in cash and cash equivalents and had an accumulated deficit of $40.7 million. We expect our existing cash and cash equivalents to enable us to fund our operating expenses and capital expenditure requirements for at least one year after the financial statements are issued. We have based these estimates on assumptions that may prove to be imprecise, and we could utilize our available capital resources sooner than we expect.

Current wording

Since our inception, we have incurred operating losses from our operations through 2025. We have not yet commercialized any product and we do not expect to generate revenue from sales of any products for several years, if at all. Since our inception through December 31, 2025 we have funded our operations through the public and private sale of our equity securities, and payments from Dr. Reddy's in accordance with the DRL Development Agreement. As of December 31, 2025, we had $46.8 million in cash and cash equivalents and had an accumulated deficit of $62.0 million. We expect our existing cash and cash equivalents, together with the $11.1 million in gross proceeds from the January 2026 Offering, to enable us to fund our operating expenses and capital expenditure requirements into the second half of 2027. We have based these estimates on assumptions that may prove to be imprecise, and we could utilize our available capital resources sooner than we expect. Our total future capital requirements will depend on many factors and is subject to the risks and uncertainties set forth in the section titled “Risk Factors.”

Previous wording

During the year ended December 31, 2023, we used $11.2 million of cash in operating activities. Cash used in operating activities reflected our net loss of $8.0 million and a $4.6 million change in our operating assets and liabilities, partially offset by noncash charges of $1.4 million, which primarily consisted of $0.9 million in stock-based compensation and other charges of $0.5 million in acquired in-process research and development costs. The primary use of cash was to fund our operations related to the development of our product candidates.

Current wording

During the year ended December 31, 2025, we used $10.7 million of cash in operating activities. Cash used in operating activities reflected our net loss of $21.2 million, partially offset by a $3.9 million change in operating assets and noncash charges of $6.6 million, which primarily consisted of stock-based compensation and acquired in-process research and development.

Previous wording

During the year ended December 31, 2023, we used $0.5 million of cash for the purchase of in-process research and development. During the year ended December 31, 2024, cash used related to investing activities was immaterial.

Current wording

During the year ended December 31, 2025, we purchased $1.2 million of in-process research and development assets. During the year ended December 31, 2024, cash used related to investing activities was immaterial.

Previous wording

During the year ended December 31, 2024, financing activities provided $16.0 million of cash, which consisted of $14.0 million in net proceeds from issuance of common stock and $2.1 million in proceeds from the exercise of warrants, partially offset by $0.1 million in payments of offering costs related to the 2023 private placement.

Current wording

During the year ended December 31, 2024, financing activities provided $16.0 million of cash, which consisted of $14.0 million in net proceeds from the issuance of common stock and $2.1 million in proceeds from the exercise of warrants, partially offset by $0.1 million in payments of offering costs related to the 2023 private placement.

Previous wording

Pursuant to the DRL Development Agreement, we received an up-front, nonrefundable payment of $7.5 million in January 2024. Additionally, we are entitled to receive (i) an additional $4.2 million upon FDA acceptance of an IND application for COYA 302 for the treatment of ALS and (ii) an additional $4.2 million payment upon the dosing of the first patient in the first phase 2 clinical trial for COYA 302 for the treatment of ALS in the United States. The DRL Development Agreement also calls for up to an aggregate of $40.0 million in development milestones and up to an aggregate of $677.3 million in sales milestones, related to the New Territories, should all such development and sales milestones be achieved. We will also be owed royalties by Dr. Reddy's on Net Sales (as defined in the DRL Development Agreement) of COYA 302 in the low to mid-teens (prior to paying royalties due pursuant to previously disclosed license agreements related to COYA 302). In June 2024, we entered into the First Amendment to the DRL Development Agreement, or the First Amendment, with DRL and Dr. Reddy's, pursuant to which, among other things, Dr. Reddy's paid us a one-time payment of $3.9 million and, in return, Dr. Reddy's will have no obligation to pay the first $6.0 million in royalty payments that would have otherwise been payable to us under the DRL Development Agreement. Pursuant to the First Amendment, as discussed above, the first $6.0 million of royalty payments will not be owed to us.

Current wording

Pursuant to the DRL Development Agreement, we received an up-front, nonrefundable payment of $7.5 million in January 2024. Additionally, we received (i) an additional $4.2 million upon FDA acceptance of an IND application for COYA 302 for the treatment of ALS in August 2025 and (ii) an additional $4.2 million payment upon the dosing of the first patient in the first phase 2 clinical trial for COYA 302 for the treatment of ALS in the United States in December 2025. The DRL Development Agreement also calls for up to an aggregate of $40.0 million in development milestones and up to an aggregate of $677.3 million in sales milestones, related to the New Territories, should all such development and sales milestones be achieved. We will also be owed royalties by Dr. Reddy's on Net Sales (as defined in the DRL Development Agreement) of COYA 302 in the low to mid-teens (prior to paying royalties due pursuant to previously disclosed license agreements related to COYA 302). In June 2024, we entered into the First Amendment to the DRL Development Agreement, or the First Amendment, with Dr. Reddy's, pursuant to which, among other things, Dr. Reddy's paid us a one-time payment of $3.9 million and, in return, Dr. Reddy's will have no obligation to pay the first $6.0 million in royalty payments that would have otherwise been payable to us under the DRL Development Agreement. Pursuant to the First Amendment, as discussed above, the first $6.0 million of royalty payments will not be owed to us.

Previous wording

The Methodist License Agreement provides that in the event we sublicense products and services covered by the Methodist License Agreement, then royalties owed to Houston Methodist would be computed as a percentage of payments received by us from the sublicensee. In addition, the termination provisions provide that Houston Methodist may only terminate the Methodist License Agreement, among other things, in the event that after five years we are not “Actively Attempting to Develop or Commercialize,” as such term is defined in the Methodist License Agreement.

Current wording

The Methodist License Agreement provides that in the event we sublicense products and services covered by the Methodist License Agreement, then royalties owed to Houston Methodist would be computed as a percentage of payments received by us from the sublicensee. In addition, the termination provisions provide that Houston Methodist may only terminate the Methodist License Agreement, among other things, in the event that after five years we are not “Actively Attempting to Develop or Commercialize,” as such term is defined in the Methodist License Agreement. During the year ended December 31, 2025, we incurred an aggregate of $0.1 million in milestones to Methodist in connection with the the Dosing Milestone and FTD IND Milestone, none of which were paid as of December 31, 2025.

Previous wording

In May 2023, we executed a Sponsored Research Agreement, or SRA, with Houston Methodist Research Institute, or HMRI, in which we agreed to fund approximately $0.5 million through May 2024. We have subsequently amended the SRA to increase agreed funding and, at times, extend the term. The latest amendment was entered in October 2024 to increase the total funding from $1.0 million to $1.2 million.

Current wording

In May 2023, we executed a Sponsored Research Agreement, or SRA, with Houston Methodist Research Institute, or HMRI, in which we agreed to fund research through May 2024. We have subsequently amended the SRA to increase agreed funding and, at times, extend the term. Our SRA with HMRI expired on December 31, 2025. On January 1, 2026, we entered into another SRA with HMRI in which we agreed to fund research through the earlier of completion of the research or 12 months. The total funding commitment is $0.6 million.

Previous wording

In addition, we may also owe tiered payments to ARS based on our achievement of certain developmental milestones. Under the ARS License Agreement, we will pay an aggregate of $13.3 million in developmental milestone payments for the first Combination Product (as defined in the ARS License Agreement) in a new indication. We will then pay an aggregate of $11.6 million in developmental milestone payments for each Combination Product in each subsequent new indication. Further, for the first Mono Product (as defined in the ARS License Agreement), we will pay an aggregate of $11.8 million in developmental milestone payments. We will then pay an aggregate of $5.9 million in developmental milestone payments for each Mono Product in each subsequent new indication, and we will owe an aggregate of $5.9 million if all developmental milestones are achieved for each new indication. We will also owe royalties on net sales of licensed products ranging from low to mid-single digit percentages. In the event we sublicense our rights under the ARS License Agreement, we will owe royalties on sublicense income within the range of 10% to 20%. To date, the $0.1 million option fee and the mid-six-figure up-front fee (upon exercise of the ARS Option) are the only payments made to ARS under the ARS License Agreement.

Current wording

In addition, we may also owe tiered payments to ARS based on our achievement of certain developmental milestones. Under the ARS License Agreement, we will pay an aggregate of $13.3 million in developmental milestone payments for the first Combination Product (as defined in the ARS License Agreement) in a new indication. We will then pay an aggregate of $11.6 million in developmental milestone payments for each Combination Product in each subsequent new indication. Further, for the first Mono Product (as defined in the ARS License Agreement), we will pay an aggregate of $11.8 million in developmental milestone payments. We will then pay an aggregate of $5.9 million in developmental milestone payments for each Mono Product in each subsequent new indication, and we will owe an aggregate of $5.9 million if all developmental milestones are achieved for each new indication. We will also owe royalties on net sales of licensed products ranging from low to mid-single digit percentages. In the event we sublicense our rights under the ARS License Agreement, we will owe royalties on sublicense income within the range of 10% to 20%. To date, the $0.1 million option fee and the mid-six-figure up-front fee (upon exercise of the ARS Option) are the only payments made to ARS under the ARS License Agreement. During the year ended December 31, 2025, we incurred an aggregate of $1.1 million in milestones to ARS in connection with the IND Milestones and the Dosing Milestone, of which $0.4 million was paid during the year ended December 31, 2025.

Previous wording

In March 2023, we entered into the DRL Agreement with DRL. The DRL Agreement became effective on April 1, 2023. Pursuant to the terms of the DRL Agreement, we will in-license DRL_AB to be used in the development and commercialization of COYA 302 in the U.S., Canada, Mexico, South America, the European Union, the United Kingdom, and Japan. In consideration for the license, we paid a one-time, non-refundable upfront fee of $0.4 million. We will pay to DRL up to an aggregate of approximately $2.9 million of pre-approval regulatory milestone payments for the first indication in the Field (as defined in the DRL Agreement) and an additional approximately $20.0 million if all other development, regulatory approval and sales milestones are incurred under the DRL Agreement. We will also pay to DRL a low-six figure milestone payment per additional indication. Further, pursuant to the DRL Agreement, we will pay to DRL single-digit royalties on Net Sales (as defined in the DRL Agreement).

Current wording

In March 2023, we entered into the DRL Agreement with DRL. The DRL Agreement became effective on April 1, 2023. Pursuant to the terms of the DRL Agreement, we will in-license DRL_AB to be used in the development and commercialization of COYA 302 in the U.S., Canada, Mexico, South America, the European Union, the United Kingdom, and Japan. In consideration for the license, we paid a one-time, non-refundable upfront fee of $0.4 million. We will pay to DRL up to an aggregate of approximately $2.9 million of pre-approval regulatory milestone payments for the first indication in the Field (as defined in the DRL Agreement) and an additional approximately $20.0 million if all other development, regulatory approval and sales milestones are incurred under the DRL Agreement. We will also pay to DRL a low-six figure milestone payment per additional indication. Further, pursuant to the DRL Agreement, we will pay to DRL single-digit royalties on Net Sales (as defined in the DRL Agreement). During the year ended December 31, 2025, we incurred an aggregate of $1.0 million in milestones to DRL in connection with the IND Milestones and the Dosing Milestone, of which $0.8 million was paid during the year ended December 31, 2025.
Rearranged current paragraphs (2)

Current report — wording carried from elsewhere

CMOs and research laboratories, process development, manufacturing and clinical development activities. Any internal research and development expenses associated with clinical product candidates are captioned as internal research and development costs as described in the paragraph above.

Current report — wording carried from elsewhere

During the year ended December 31, 2025, financing activities provided $20.4 million of cash, which consisted of $20.3 million in net proceeds from the issuance of common stock.
Rearranged previous paragraphs (2)

Previous report — wording carried elsewhere

R&D Services revenue is calculated quarterly using the inputs approach, by applying actual COYA 302 expenses against budgeted COYA 302 expenses as the two inputs. In addition, License revenue is recognized at a point in time upon delivery of a license or upon a cumulative catch-up in the event of a contract modification. Collaboration revenue was $3.6 million and $6.0 million for the years ended December 31, 2024 and 2023, respectively, related to License and R&D Services revenue.

Previous report — wording carried elsewhere

During the year ended December 31, 2023, financing activities provided $38.4 million of cash, which consisted of $24.1 million in proceeds from the 2023 Private Placement, net of offering costs, $14.3 million in proceeds from issuance of common stock in the IPO, net of offering costs, and $0.1 million in proceeds from the exercise of stock options.