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Longeveron Inc.

For the period ended Dec 31, 2025. Filed Mar 17, 2026.

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

FY2025 · Filed Mar 17, 2026

LGVN$2.01+11.0%Stored close · as of Nov 9, 2026

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Contents

Item 11. Executive Compensation

The Summary Compensation Table below summarizes the compensation of the executive officers named therein (our “named executive officers” or “NEOs”) during 2025 and 2024. Our NEOs for 2025 are as follows:

J. Nathaniel Powell, former Interim Chief Executive Officer (CEO)

Wa’el Hashad, former Chief Executive Officer (former CEO)

Lisa A. Locklear, Chief Financial Officer (CFO) and Treasurer

Paul Lehr, General Counsel and Corporate Secretary

Wa’el Hashad served as the Company’s Chief Executive Officer until his departure on August 27, 2025. J. Nathaniel Powell served as the Company's Interim Chief Executive Officer from September 4, 2025 until his resignation from this role on February 9, 2026. The Board has appointed Stephen H. Willard to serve as the permanent Chief Executive Officer, effective February 11, 2026. The principal elements of our executive compensation program are base salary, discretionary annual performance bonuses, and discretionary equity awards. Our NEOs are also entitled to participate in employee benefit plans and programs that we offer to our other employees, as described below. We view these components of compensation as related but distinct. Although our Compensation Committee does review total compensation, we do not believe that significant compensation derived from one component of compensation should negate or offset compensation from other components. Our executive compensation program is designed to attract, motivate, and retain talented and dedicated executive officers, who are critical to our success. The following highlights our approach to executive compensation:

Competitive Positioning: We seek to establish the overall compensation of our executive officers at levels that we believe are roughly comparable with the average levels of compensation of executives at other clinical state biotechnology companies of similar size.

Annual Bonus Compensation Tied to Performance: Our executive compensation program has three primary components: base salary; discretionary annual bonus compensation; and discretionary equity compensation; and other benefits and perquisites. Among these components, bonus compensation is tied in whole or in part to individual performance, company performance, or as otherwise determined appropriate by the Compensation Committee.

Equity-Based Incentives align our NEOs with our Stockholders: Our equity-based incentive awards are designed to align our interests and the interests of our stockholders with those of our employees and consultants, including our named executive officers. The Compensation Committee of the Board is responsible for approving equity grants.

Base Salary Compensation. We pay our NEOs a base salary to compensate them for the satisfactory performance of services rendered to us. The base salary payable to each NEO is intended to provide a fixed component of compensation reflecting the executive’s skill set, experience, role and responsibilities. Base salaries for our NEOs have generally been set at lower levels than would normally be deemed necessary to attract and retain individuals with this level of talent. For more information, see Summary Compensation Table — 2025 and 2024 on page 95 of this Form 10-K.

Bonus Compensation. In order to retain and motivate our named executive officers and other executives, from time to time the Board upon recommendation of our Chief Executive Officer, may approve bonuses for our NEOs based on individual performance, company performance, or as otherwise determined based on the Compensation Committee’s discretion. Estimated bonus amounts earned in 2025 and made under our executive incentive plan are reported in the “Non-equity incentive plan compensation” column of the Summary Compensation Table. For more information, see Summary Compensation Table — 2025 and 2024 on page 95 of this Form 10-K.

Equity Compensation. We believe that for growth companies in the biotechnology sector, such as Longeveron, equity awards are a significant compensation-related motivator in attracting and retaining executive-level employees. Accordingly, we have provided our named executive officers and other executives with certain equity incentive awards that vest over several years to incentivize those individuals to stay with us, which in turn should provide us with greater stability over such periods than we would experience without such awards. Equity awards are granted for both restricted stock units and stock options, typically vesting quarterly over a three-year period. In 2024, restricted stock unit awards were granted to our named executive officers and other executives and employees that vested in full upon grant, to provide a one-time catch up grant for past initial hire grants that were not in line with current award levels.

Cash-to-Equity Program. In May 2024, we approved a program to allow our executive officers and directors the option to receive, on a quarterly basis, a portion of their respective cash compensation (up to a maximum of 80%) in the form of equity. In January 2025, we approved the expansion of this program to include stock options as a form of equity which directors and executive officers could elect to receive in lieu of cash compensation. In April 2025, we re-authorized the program on an ongoing basis (the “Cash-to-Equity Program”). The Cash-to-Equity Program allows for participating directors and executive officers to elect to equity or stock options in lieu of cash compensation at a premium equivalent valuation ranging from 125% to 200% of the individual’s respective cash compensation, depending on the individual’s level of Cash to-Equity Program election. All stock options granted pursuant to the Cash-to-Equity Program are fully exercisable as of the date of issuance. Further, all stock options granted under the Cash-to-Equity program are adjusted by the application of a Black-Scholes multiplier, as adjusted annually. In September 2025, the Company modified the Cash-to-Equity Program to remove the premium valuations, formerly ranging from 125% to 200%, but continuing the adjustment by the application of a Black-Scholes multiplier, as determined and adjusted annually, for equity taken in the form of stock options. While the details of each quarterly payout under the Cash-to-Equity program are subject to the confirmation of our executive management team, any equity received by executive officers or directors pursuant to the Cash-to-Equity Program are subject to any applicable restrictions under the Longeveron Inc. Statement of Policy on Insider Trading as well as any restrictions pursuant to federal and state securities laws. Dr. Hare and Mr. Lehr took equity in lieu of cash under the Cash-to-Equity Program in 2025.

Other Elements of Compensation

Perquisites, Health, Welfare and Retirement Benefits. Our named executive officers are eligible to participate in our employee benefit plans, including our medical, dental, vision, group life, disability and accidental death and dismemberment insurance plans, in each case on generally the same basis as all of our other employees. We provide a 401(k) Plan to our employees, including our current named executive officers, as discussed in the section below titled “401(k) Plan.”

401(k) Plan. We maintain a defined contribution employee retirement plan, or 401(k) Plan, for our employees. Our named executive officers are eligible to participate in the 401(k) Plan on the same basis as our other employees, if they are considered an employee and not a consultant. The 401(k) Plan is intended to qualify as a tax-qualified plan under Section 401(k) of the Internal Revenue Code. The 401(k) Plan provides that each participant may make pre-tax deferrals from his or her compensation up to the statutory limit, which is $23,500 for calendar year 2025, and other testing limits. Participants that are 50 years or older can also make “catch-up” contributions, which in calendar year 2025 may be up to an additional $7,500 above the statutory limit. In addition, participants that are ages 60 to 63 can make “catch-up contributions” up to $11,250 (in lieu of $7,500) over the $23,500 statutory limit in calendar year 2025. The 401(k) Plan provides for discretionary matching and profit-sharing contributions; we currently provide 5% match to the 401(k) Plan. Participant contributions are held and invested, pursuant to the participant’s instructions, by the plan’s trustee.

Deferred Compensation

Deferred Compensation Agreement. In 2024, we entered into a deferred compensation agreement with Dr. Hare to defer payment of the consulting fees earned by him for services rendered as our Chief Science Officer during 2024 totaling $265,000 plus interest shall mean a rate equal to the prime rate as published in the Wall Street Journal, as reported on the last day of each calendar year (or other applicable period if interest is credit more frequently). Furthermore, Dr. Hare timely elected to defer payment of any portion of consulting fees and incentive compensation earned for services rendered during 2025 in excess of $240,000. The 2024 consulting fees will be paid in the form of a lump sum distribution in February 2027. The 2025 consulting fees will be paid in the form of a lump sum distribution in February 2028.

Non-Qualified Deferred Compensation Plan. In April 2025, we adopted the Longeveron Inc. Non-Qualified Deferred Compensation Plan (the “NQDC Plan”), a non-qualified investment plan offered to our senior executive officers. Under our NQDC Plan, eligible executives may elect to defer up to 100% of their annual base salary and annual cash incentive bonus. Participants may elect to enroll in the NQDC Plan each year by timely making a deferral election, which deferral elections must generally be made prior to the start of each plan year and remain in-force for the duration of the plan year. In addition, the Company may make a discretionary contribution to the NQDC Plan on account of eligible participants. Participants’ accounts are credited with earnings based on the gains or losses of a select group of hypothetical investment funds made available to participants under the NQDC Plan. The NQDC Plan is unfunded, unsecured and all benefits thereunder remain subject to the general unsecured creditors of the Company. The NQDC Plan offers two distribution accounts, a retirement account (“Retirement Accounts”) and an in-service account (“In-Service Accounts”), each of which has its own timing and payment alternatives. Amounts held under Retirement Accounts are paid either in a lump sum or up to 15 annual installments upon reaching normal retirement age (age 65). Amounts allocated to In-Service Accounts are payable in a lump sum in January of the year specified. In the event a participant separates from service prior to reaching normal retirement age or the date specified for an In-Service Account, the participant’s accounts will be paid in a lump sum or up to 15 annual installments in accordance with the participant’s separation from service distribution election. If an eligible participant is a “specified employee” as defined in Section 409A of the Code, then any amounts payable to the participant under the NQDC Plan on account of the participant’s separation from service will be delayed and paid promptly following the first day that is six months after the date the participant separated from service. Except for the foregoing, we do not maintain any other nonqualified defined contribution plans or other nonqualified deferred compensation plans. Our Board may elect to provide our officers and other employees with non-qualified defined contribution or other nonqualified deferred compensation benefits in the future if it determines that doing so is in our best interests.

Cost Reduction Measures

On February 9, 2026, in connection with the ongoing review of its cash runway and cost structure, and following Board approval, the Company implemented a temporary 50% reduction in the compensation of the Company’s CEO and its Executive Chairman/CSO. A temporary 25% reduction in the compensation of the Company's C-suite officers was also implemented. The Company is undertaking these compensation reductions as part of other cost-savings efforts. The Company currently anticipates that such compensation will be restored to the amounts in effect immediately prior to such reductions at such time as the Company secures sufficient financing or other sources of capital.

The Company currently intends, subject to a good-faith determination of its financial ability to do so, to repay the members of the Company’s executive leadership team an amount equal to the difference between such executive’s base salary in effect immediately prior to the reduction and the reduced salary paid during the applicable reduction period. Any such repayment is not guaranteed and shall be solely at the Company’s discretion, contingent upon the Company’s financial condition. In consideration of the reduction and each executive’s continued service, subject to approval of the Board (or an applicable committee thereof), the Company intends to grant each executive an aggregate of 50,000 restricted stock units, which shall vest on or around June 1, 2026, in accordance with the terms of the Company’s Third Amended and Restated 2021 Incentive Award Plan.

Summary Compensation Table — 2025 and 2024

Name and principal positionYearSalary($)Stockawards($)(2)Optionawards($)(3)Non-equityincentive plancompensation($)(4)All othercompensation($)(5)Total ($)
J. Nathaniel Powell2025194,386112,22510,632135,55023,031475,824
Former Interim Chief Executive Officer2024——————
Wa’el Hashad (1)2025482,180264,60065,550—468,9221,281,252
Former Chief Executive Officer2024570,973765,67570,725389,55051,8161,848,739
Lisa A. Locklear,2025431,693149,94037,145199,35043,960862,087
Chief Financial Officer and Treasurer2024430,923429,88539,975189,00033,4681,123,251
Paul Lehr,2025419,975337,43937,145193,95061,0061,049,516
General Counsel and Corporate Secretary2024420,150438,20739,975184,275144,0891,226,696

(1) Effective September 9, 2025, Mr. Hashad’s employment with the Company was terminated. Under the terms of his separation agreement, Mr. Hashad is entitled to receive twelve (12) months of base salary amounting to $585,000 and paid on a bi-weekly basis over 12 months, of which $135,000 was paid as of December 31, 2025, COBRA coverage for 18 months, a bonus payment of $282,723 prorated based on date of termination that was paid in October 2025, and accelerated vesting of 60,521 restricted stock units and 79,166 stock options in October 2025.

(2) The values set forth in this column are based on the aggregate grant date fair values of 2025 Restricted Stock Unit (RSU) awards computed in accordance with FASB ASC Topic 718. The grant date fair values of RSUs are computed based on the closing price per share of Longeveron Class A common stock on the date of grant. A discussion of the relevant assumptions made in the valuation of these awards is provided in Note 8 to the financial statements, Equity Incentive Plan, in this Form 10-K.

(3) The values set forth in this column represent the aggregate grant date fair value of stock option awards computed in accordance with FASB ASC Topic 718 (excluding the effect of estimated forfeitures). A discussion of the relevant assumptions made in the valuation of these awards is provided in Note 8 to the financial statements, Equity Incentive Plan, in this Form 10-K.

(4) Includes performance payouts at target for Company performance in 2025 under our executive incentive plan, described as "Bonus Compensation" in the narrative above. The relevant performance measures for the annual performance awards were satisfied and thus reportable in 2025, even though final performance payout will be calculated and approved by the Compensation Committee in March 2026.

(5) Other compensation represents 401(k) matching, health insurance costs and life and disability insurance paid by the Company. For Mr. Lehr, in 2025 this includes medical insurance of $28,385.

Outstanding Equity Awards at Fiscal Year End Table - 2025

The following table sets forth information with respect to outstanding equity awards for each of our NEOs as of December 31, 2025. Note that all amounts set forth herein have been adjusted, as necessary, to reflect the Company’s one-for-ten reverse stock split implemented in March of 2024.

Options Awards · Stock Awards
Name · Number ofSecuritiesUnderlyingUnexercisedOptions (#)Exercisable · Number ofSecuritiesUnderlyingUnexercisedOptions (#)Unexercisable · OptionExercisePrice ($) · OptionExpirationDate · Number ofShares orUnits ofStock ThatHave NotVested (#) · MarketValue ofShares orUnits ofStock ThatHave NotVested ($)(1)
J. Nathaniel Powell,—20,0000.759/4/2035(3)53,16627,115(4)
Former Interim Chief Executive Officer50,00025,500(5)
Wa’el Hashad, (2)
Former Chief Executive Officer
Lisa A. Locklear,6,7719,4792.468/15/2034(6)32,50016,575(8)
Chief Financial Officer and Treasurer2,83431,1661.477/15/2035(7)28,43714,503(9)
93,50047,685(10)
Paul Lehr,5,00060.807/20/2031(11)28,43714,503(8)
General Counsel and Corporate Secretary50087.306/3/2032(12)93,50047,685(10)
2,14314243.0011/16/2032(13)
6,7719,4792.468/15/2034(6)
2,83431,1661.477/15/2035(7)

(1) Based on the value of $0.51 per share, the closing market price of our common stock on December 31, 2025.

(2) Effective September 9, 2025, Mr. Hashad’s employment with the Company was terminated. Under the terms of his separation agreement, Mr. Hashad is entitled to receive twelve (12) months of base salary amounting to $585,000 and payable bi-weekly over 12 months, of which $135,000 was paid as of December 31, 2025, COBRA coverage for 18 months, a bonus payment of $282,723 prorated based on the date of his termination which was paid in October 2025, and accelerated vesting of 60,521 restricted stock units and 79,166 stock options in October 2025. As a result of Mr. Hashad’s separation from service, he did not have any equity awards outstanding as of December 31, 2025.

(3) The option fully vests one year from the grant date, which will be September 4, 2026.

(4) Restricted Stock Unit awards granted on July 7, 2025, vests quarterly over three years beginning on October 1, 2025.

(5) Restricted Stock Unit awards granted on September 4, 2025, vests one year from the grant date, which will be September 4, 2026.

(6) The option, granted on August 15, 2024, vests quarterly over three years beginning on October 1, 2024.

(7) The option, granted on July 15, 2025, vests quarterly over three years beginning on October 1, 2025.

(8) Restricted Stock Unit awards granted on August 15, 2024, vests quarterly over three years beginning on October 1, 2024.

(9) Restricted Stock Unit awards granted on August 15, 2024, vests quarterly over various periods up to two years beginning on October 1, 2024.

(10) Restricted Stock Unit award granted on July 15, 2025, vests quarterly over 3 years beginning on October 1, 2025.

(11) The option, granted July 20, 2021, vested one-eighth on the date of grant, with quarterly vesting thereafter.

(12) The option, granted June 3, 2022, was fully vested upon grant.

(13) The option, granted November 16, 2022, vests 25% on March 1, 2023, then 6.25% each quarter thereafter.

Grants of Certain Equity Awards Close in Time to the Release of Material Nonpublic Information

Our policies and practices regarding the grant of equity awards are designed to comply with applicable securities laws to and reflect the integrity of our executive compensation program. The Compensation Committee is responsible for determining the timing and terms of equity awards to eligible personnel. The timing of equity award grants is determined with consideration to a variety of factors, including ensuring that the Company is not in possession of material nonpublic information at the time of grant. While the Company’s equity compensation program seeks alignment with the Company’s strategic objectives, competitive aims, and the attraction and retention of qualified personnel, the equity compensation of each individual is generally considered on a case-by-case basis. The Company does not follow a predetermined schedule for the granting of all equity awards. Nevertheless, certain of the Company’s equity awards adhere to standard award timelines and vesting schedules.

We do not grant equity awards in anticipation of the release of material nonpublic information and do not time the public release of such information based on equity award grant dates for the purpose of affecting the value of executive compensation. However, the Compensation Committee may consider material nonpublic information to ensure that grants of equity awards comply with applicable laws and regulations as well as Company policy. The Company’s procedures to prevent the improper use of material nonpublic information in connection with the granting of equity awards include oversight by internal and external legal counsel. We are committed to maintaining equity compensation practices that comply with evolving corporate governance standards, foster a competitive workforce, and serve the best interests of the Company and its stockholders.

Employment Agreements/Letters with our NEOs

Ms. Lisa A. Locklear. On July 14, 2023, the Company entered into a letter agreement (“Agreement”) with Ms. Lisa A. Locklear and hired her as Chief Financial Officer and Executive Vice President of the Company. Ms. Locklear receives an annual salary of $420,000 and is eligible to receive an annual cash bonus of up to forty-five percent (45%) of her base salary, eighty percent (80%) of which will be based on the achievement of pre-established performance criteria and twenty percent (20%) of which will be based on pre-established individual performance criteria. Ms. Locklear received a signing bonus of 4,000 Restricted Stock Units, which vested in quarterly installments on each of October 1, 2023, January 1, 2024, April 1, 2024, and July 1, 2024. Ms. Locklear will also be eligible to receive up to 10,000 performance share units annually, eighty percent (80%) of which will be based on the achievement of pre-established performance criteria and twenty percent (20%) of which will be pre-established individual performance criteria. Share numbers have been adjusted for the March 26, 2024 Reverse Split discussed in Note 2 to the financial statements, Summary of Significant Accounting Policies, in this 10-K.

Upon termination of employment, Ms. Locklear shall be entitled to receive accrued salary and benefits, unless terminated without Cause (as defined therein) or by Ms. Locklear for Good Reason (as defined therein), in which event, in addition to accrued amounts, Ms. Locklear shall also be entitled to receive earned but unpaid equity bonus amounts, an annual prorated cash bonus payment at target level, plus severance and reimbursement of COBRA premiums equal to three (3) months of base salary and premiums for each full year worked at the Company (not less than six months in any case), in all cases only if a release is executed and not revoked. Ms. Locklear also entered into a Confidentiality and Nondisclosure Agreement simultaneously with this Agreement that imposed certain confidentiality, non-competition, non-disclosure obligations on her.

Mr. Paul Lehr. On March 14, 2024, the Company entered into a new letter agreement (“Agreement”) with Mr. Lehr, who has served as the Company’s General Counsel since 2016. Pursuant to the Agreement, Mr. Lehr receives an annual salary of $390,000 and is eligible to receive an annual cash bonus of up to thirty-five percent (35%) of his base salary, eighty percent (80%) of which will be based on the achievement of pre-established performance criteria and twenty percent (20%) of which will be based on pre-established individual performance criteria. Subsequently, the Compensation Committee revised the threshold potential annual cash bonus level to forty-five percent (45%) of base salary. Mr. Lehr will also be eligible to receive up to 10,000 performance share units annually, eighty percent (80%) of which will be based on the achievement of pre-established performance criteria and twenty percent (20%) of which will be based on pre-established individual performance criteria. Share numbers have been adjusted for the March 26, 2024 Reverse Split discussed in Note 2 to the financial statements, Summary of Significant Accounting Policies, in this 10-K.

Upon termination of employment, Mr. Lehr shall be entitled to receive accrued salary and benefits, unless terminated without Cause (as defined therein) or by Mr. Lehr for Good Reason (as defined therein), in which event, in addition to accrued amounts, Mr. Lehr shall also be entitled to receive earned but unpaid equity bonus amounts, an annual prorated cash bonus payment at target level, plus severance and reimbursement of COBRA premiums equal to three (3) months of base salary and premiums respectively for each full year worked at the Company, in all cases only if a release is executed and not revoked. Mr. Lehr also entered into a

Confidentiality and Nondisclosure Agreement simultaneously with this Agreement that imposed certain confidentiality, non-competition, non-disclosure obligations on him.

On May 6, 2024, the Compensation Committee approved, and on August 15, 2024, the Company issued certain additional equity awards to executive officers and other employees of the Company that served to recalibrate the equity holdings of those employees, as well as additional bonus discretionary equity awards above what was otherwise contractually owed pursuant to the terms of each individual’s employment agreements. On June 12, 2025 the Compensation Committee approved, and on July 15, 2025, the Company issued annual discretionary equity awards to executive officers and other employees of the company above what was otherwise contractually owed pursuant to the terms of each individual's employment agreements.

Separation Severance and Other Agreements with our Former NEOs

Mr. Wa’el Hashad. Effective September 9, 2025, Mr. Hashad’s employment with the Company was terminated. Under the terms of his separation agreement, Mr. Hashad is entitled to receive twelve (12) months of base salary amounting to $585,000 and payable bi-weekly over 12 months, of which $135,000 was paid as of December 31, 2025, COBRA coverage for 18 months, a bonus payment of $282,723 prorated based on the date of his termination which was paid in October 2025, and accelerated vesting of 60,521 restricted stock units and 79,166 stock options in October 2025. As a result of Mr. Hashad’s separation from service, he did not have any equity awards outstanding as of December 31, 2025.

Mr. J. Nathaniel Powell. On February 9, 2026, Mr. Powell resigned from his role as Interim Chief Executive Officer of the Company and agreed to revert to his former business development role with the Company as a consultant. Pursuant to the terms of the letter agreement dated September 3, 2025, (“Agreement”) setting forth Mr. Powell’s compensation during his tenure as Interim Chief Executive Officer of the Company starting on September 4, 2025, Mr. Powell was entitled to receive an annual salary of $500,000 with eligibility for an annual cash bonus of up to sixty percent (60%) of his base salary, eighty percent (80%) of which would have been based on the achievement of pre-established performance criteria and twenty percent (20%) of which would have been discretionary. Mr. Powell received a one-time grant of 50,000 Restricted Stock Units and 20,000 stock options, and such awards would have vested on September 4, 2026, had he remained an employee of the Company. Under the terms of his consulting agreement, Mr. Powell will receive 100,000 shares of Class A common stock upon achievement of certain milestones, as defined in the agreement.

Potential Payments Upon Termination or Change in Control

The terms of the Company’s Third Amended and Restated 2021 Incentive Award Plan (the “Plan”) provide that the shares subject to vesting granted under any equity award may automatically become fully vested, no longer subject to restrictions and freely transferable upon a “Change of Control” as such term is defined in our Plan. We provide this benefit in order to properly incentivize our executives to support a Change of Control that would be deemed beneficial to our stockholders.

DIRECTOR COMPENSATION

Director Compensation Table - 2025. The following table presents summary information regarding the total compensation that was awarded to, earned by or paid to our non-employee directors for services rendered during the year ended December 31, 2025. Mr. Hashad, the Company’s former Chief Executive Officer, did not receive any additional compensation for previously serving as a member of the Board of Directors.

Fees earned or paid in cash($)(1) · StockAwards($)(2) · OptionAwards($)(3) · All OtherCompensation($) · Total ($)
Joshua M. Hare, M.D.(4)———523,009(5)523,009
Neil E. Hare(6)3,266———3,266
Rock Soffer45,00024,990——69,990
Ursula Ungaro63,70024,990——88,690
Khoso Baluch(7)56,31524,990——81,305
Richard Kender65,55024,990——90,540
Neha Motwani(7)49,91624,990——74,906
Roger Hajjar, M.D.62,81724,990——87,807
George Paletta, Jr., M.D.(8)13,15631,178——44,334

(1) Amounts reflect fees paid relating to calendar 2025.

(2) The values set forth in this column represent the aggregate grant date fair value, computed in accordance with FASB ASC Topic 718 (excluding the effect of forfeitures), of the Board of Directors restricted stock unit awards granted on July 15, 2025. Additionally, Dr. Paletta received an onboarding restricted stock award on October 1, 2025. A discussion of the relevant assumptions made in the valuation of these awards may be found in Note 8 to the financial statements, Equity Incentive Plan, in this Form 10-K. The number of unvested restricted stock units and unvested stock option awards outstanding as of December 31, 2025 was as follows:

Unvested Stock AwardsUnvested Option Awards
Joshua M. Hare, M.D.—104,432
Rock Soffer20,249725
Ursula Ungaro20,249725
Richard Kender23,583—
Roger Hajjar, M.D.24,916—
George Paletta, Jr. M.D.34,000—

(3) Dr. Hare was the only director to receive stock options in 2025. Such options were received in connection with his service as Chief Science Officer of the Company, pursuant to the terms of that certain consulting agreement entered into with the Company and are accordingly included in “All Other Compensation.” For additional information, see “Part III. Item 13. Certain Relationships and Related Party Transactions.”

(4) Amounts set forth herein reflect compensation received as a director of the Company. "All Other Compensation" also includes compensation that Dr. Hare receives as the Chief Science Officer of the Company, pursuant to the terms of that certain consulting agreement entered into with the Company. For additional information, see "Part III. Item 13. Certain Relationships and Related Party Transactions."

(5) Includes compensation received as the Chief Science Officer of the company, pursuant to his consulting agreement. In 2025, this compensation includes consulting fees of $284,677, estimated 2025 incentive compensation award of $119,250, and stock option awards totaling $119,082 related to his consulting services. In 2025, we continued a deferred compensation agreement with the CSO to defer payment of a portion of his consulting fees earned for services rendered as our Chief Science Officer during 2025 totaling $45,000. The 2025 consulting fees will be paid in the form of a lump sum distribution in February 2028.

(6) Mr. Neil Hare resigned from the Board on January 27, 2025.

(7) Ms. Motwani and Mr. Baluch resigned from the Board on November 7, 2025, and, as a result, each director forfeited 15,583 unvested restricted stock unit awards that were granted in 2025.

(8) Dr. Paletta was appointed to the Board of Directors to fill a vacancy on October 1, 2025.

Summary of Director Compensation

The director compensation program provides for annual retainer fees and/or long-term equity awards for our directors. For 2025, each director received an annual retainer of $45,000. A director serving as chairman of the Board received an additional annual retainer of $20,000. Directors serving as the chairs of the Audit, Compensation, Nominating and Corporate Governance, and Science & Strategy committees received additional annual retainers of $15,000, $12,000, $10,000, and $7,500, respectively. Directors serving as members of the Audit, Compensation, Nominating and Corporate Governance and Science & Strategy committees received additional annual retainers of $8,000, $6,000, $5,500 and $5,000, respectively. Annual equity grants, to be made following the Company’s annual meeting of stockholders, are currently 17,000 restricted stock units for each director, and initial grants upon joining the Board in 2025 are 34,000 restricted stock units of our Class A common stock, which shall be subject to vesting requirements. The annual retainers and annual equity grant award amounts are subject to change upon approval of the Compensation committee.

Since May 2024, the Company’s directors are also eligible to participate in the Company’s Cash-to-Equity Program. For additional information on the Cash-to-Equity Program, see Executive Compensation - Cash-to-Equity Program.

Our Board or its authorized committee may modify the director compensation program from time to time in the exercise of its business judgment, taking into account such factors, circumstances and considerations as it shall deem relevant from time to time, subject to the annual limit on director compensation set forth in the Plan. As provided in the Plan, our Board or its authorized committee may make exceptions to this limit for individual directors in extraordinary circumstances, as the Board or its authorized committee may determine in its discretion.

The Company is currently undertaking certain cost-savings efforts, which include a reduction in Board of Directors’ fees. Such reductions became effective on or about February 16, 2026. The Company currently anticipates that such compensation will be restored to the amounts in effect immediately prior to such reductions at such time as the Company secures sufficient financing or other sources of capital.

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