Browse EX-10 agreements

June 30, 2026

Second Amendment to Employment Agreement

Dear Maury:

GPM Investments, LLC (“GPM”) and you (“Executive”) are parties to an Employment Agreement dated January 3, 2020 (as amended, the “Employment Agreement”). GPM and Executive desire to amend the Employment Agreement as follows:

Section 5.3 of the Employment Agreement is hereby amended and restated in its entirety to read as follows:

5.3

Payments in Case of Termination for Good Reason or Without Cause. In addition to the payments in Section 5.2, so long as Executive is otherwise in compliance with Sections 7 through 9 hereof and executes a release of claims in favor of the Company, its affiliates and their respective officers and directors in a form provided by the Company, if Executive's employment with the Company is terminated by the Company without Cause or by the Executive for Good Reason and a SoC Payment is not payable in connection with such termination, then in addition to the payments set forth in Section 5.2, Executive shall be entitled to: (A) payment of a prorated portion of the Company’s general bonus

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TENTH AMENDMENT TO THIRD AMENDED, RESTATED AND CONSOLIDATED REVOLVING CREDIT AND SECURITY AGREEMENT

This Tenth Amendment to Third Amended, Restated and Consolidated Revolving Credit and Security Agreement (this“Amendment”) is made this 4thday of August, 2026by and among GPM Investments, LLC, a Delaware limited liability company (“GPM”), GPM1, LLC, a Delaware limited liability company (“GPM1”), GPM2, LLC, a Delaware limited liability company (“GPM2”), GPM3, LLC, a Delaware limited liability company (“GPM3”), GPM4, LLC, a Delaware limited liability company (“GPM4”), GPM5, LLC, a Delaware limited liability company (“GPM5”), GPM6, LLC, a Delaware limited liability company (“GPM6”), GPM8, LLC, a Delaware limited liability company (“GPM8”), GPM9, LLC, a Delaware limited liability company (“GPM9”), GPM Southeast, LLC, a Delaware limited liability company (“GPM Southeast”), GPM Midwest, LLC, a Delaware limited liability company (“GPM Midwest”), GPM Midwest 18, LLC, a Delaware limited liability company (“GPM Midwest 18, LLC”), GPM Apple, LLC, a Delaware limited liability company (“GPM Apple”

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SEVERANCE AGREEMENT AND RELEASE OF ALL CLAIMS

This Severance Agreement and Release of All Claims (“Release”) is entered into between Boundless Bio, Inc., including its officers, directors, employees, managers, agents, and representatives (“Company”), and Zachary Hornby (“Employee”) pursuant to the Boundless Bio, Inc. Severance and Change in Control Plan (the “Plan”).

WHEREAS, on June 22, 2026, the Company entered into an Agreement and Plan of Merger and Reorganization (the “Merger Agreement”) with Serapha Bio, Inc., a Delaware corporation (“Serapha Bio”), and BoulderMerger Sub Corp., a Delaware corporation and wholly-owned subsidiary of the Company (“Merger Sub”). Upon the terms and subject to the satisfaction of the conditions described in the Merger Agreement, Merger Sub will be merged with and into Serapha Bio, with Serapha Bio surviving as a wholly owned subsidiary of the Company (the “Merger”);

WHEREAS, Employee is a “Covered Employee” under the Plan;

WHEREAS, Employee’s employment with the Company terminated effective July 1, 2026 (the “Termination Date”);

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SEVERANCE AGREEMENT AND RELEASE OF ALL CLAIMS

This Severance Agreement and Release of All Claims (“Release”) is entered into between Boundless Bio, Inc., including its officers, directors, employees, managers, agents, and representatives (“Company”), and Robert Doebele (“Employee”) pursuant to the Boundless Bio, Inc. Severance and Change in Control Plan (the “Plan”).

WHEREAS, on June 22, 2026, the Company entered into an Agreement and Plan of Merger and Reorganization (the “Merger Agreement”) with Serapha Bio, Inc., a Delaware corporation (“Serapha Bio”), and BoulderMerger Sub Corp., a Delaware corporation and wholly-owned subsidiary of the Company (“Merger Sub”). Upon the terms and subject to the satisfaction of the conditions described in the Merger Agreement, Merger Sub will be merged with and into Serapha Bio, with Serapha Bio surviving as a wholly owned subsidiary of the Company (the “Merger”);

WHEREAS, Employee is a “Covered Employee” under the Plan;

WHEREAS, Employee’s employment with the Company terminated effective July 1, 2026 (the “Termination Date”);

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SEVERANCE AGREEMENT AND RELEASE OF ALL CLAIMS

This Severance Agreement and Release of All Claims (“Release”) is entered into between Boundless Bio, Inc., including its officers, directors, employees, managers, agents, and representatives (“Company”), and Christian Hassig (“Employee”) pursuant to the Boundless Bio, Inc. Severance and Change in Control Plan (the “Plan”).

WHEREAS, on June 22, 2026, the Company entered into an Agreement and Plan of Merger and Reorganization (the “Merger Agreement”) with Serapha Bio, Inc., a Delaware corporation (“Serapha Bio”), and BoulderMerger Sub Corp., a Delaware corporation and wholly-owned subsidiary of the Company (“Merger Sub”). Upon the terms and subject to the satisfaction of the conditions described in the Merger Agreement, Merger Sub will be merged with and into Serapha Bio with Serapha Bio surviving as a wholly owned subsidiary of the Company (the “Merger”);

WHEREAS, Employee is a “Covered Employee” under the Plan;

WHEREAS, Employee’s employment with the Company terminated effective July 1, 2026 (the “Termination Date”);

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June 23, 2026

David Hinkle

Re: Amended and Restated Employment Offer Letter

Dear David:

You are currently a party to an amended and restated employment offer letter with Boundless Bio, Inc. (the “Company”) dated April 2, 2024 (the “Prior Agreement”). As you know, on June 23, 2026, the Company entered into an Agreement and Plan of Merger and Reorganization (the “Merger Agreement”) with Serapha Bio, Inc., a Delaware corporation (“Serapha”), and Boulder Merger Sub Corp., a Delaware corporation and wholly-owned subsidiary of the Company (“Merger Sub”). Upon the terms and subject to the satisfaction of the conditions described in the Merger Agreement, Merger Sub will be merged with and into Serapha, with Serapha surviving as a wholly owned subsidiary of the Company (the “Merger”).

You and the Company hereby agree to amend and restate the Prior Agreement to memorialize the terms of your continued employment with the Company, as provided in this amended and restated employment letter agreement (this “Amended Agreement”), effective as of July 1, 2026 (the “Effective Date”).

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June 23, 2026

Jessica Oien

Re: Amended and Restated Employment Offer Letter

Dear Jessica:

You are currently a party to an amended and restated employment offer letter with Boundless Bio, Inc. (the “Company”) dated March 5, 2024 (the “Prior Agreement”). As you know, on June 23, 2026, the Company entered into an Agreement and Plan of Merger and Reorganization (the “Merger Agreement”) with Serapha Bio, Inc., a Delaware corporation (“Serapha”), and Boulder Merger Sub Corp., a Delaware corporation and wholly-owned subsidiary of the Company (“Merger Sub”). Upon the terms and subject to the satisfaction of the conditions described in the Merger Agreement, Merger Sub will be merged with and into Serapha, with Serapha surviving as a wholly owned subsidiary of the Company (the “Merger”).

You and the Company hereby agree to amend and restate the Prior Agreement to memorialize the terms of your continued employment with the Company, as provided in this amended and restated employment letter agreement (this “Amended Agreement”), effective as of July 1, 2026 (the “Effective Date”).

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May 7, 2026

Marc T. Pangburn

[***]

Re:    Strategic Advisor Consulting Services

Dear Marc,

This letter agreement (“Agreement”) sets forth the agreement between you (“you” or “Consultant”) and HA Sustainable Infrastructure Capital, Inc. and Hannon Armstrong Capital, LLC (together, the “Company”) (jointly, the “Parties”) relating to your transition from Senior Managing Director & Chief Revenue and Strategy Officer, and a Company employee, to a Strategic Advisor under a non-employee consulting agreement as provided in Section 2 below, which transition will be effective on May 11, 2026 (the “Transition Date”) on the terms set forth herein.

1.Last Day of Employment, Final Compensation and Waiver of Claims under the Employment Agreement.

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AMENDMENT NO. 1 TO

HASI MANAGEMENT HOLDCO LLC LTIP UNIT AWARD AGREEMENT

UNDER THE

HA SUSTAINABLE INFRASTRUCTURE CAPITAL, INC. EQUITY INCENTIVE PLAN

(Performance-Based HoldCo Units — Relative TSR)

This Amendment No. 1 (this “Amendment”) to the HASI Management HoldCo LLC LTIP Unit (Relative TSR) Award Agreement, dated as of March 3, 2025 (the “Original Agreement”), is entered into as of May 7, 2026 (the “Amendment Effective Date”), by and between HASI Management HoldCo LLC, a Delaware limited liability company (the “Company”), and Marc T. Pangburn(the “Grantee”).

RECITALS

WHEREAS, the Company granted to the Grantee performance-based HoldCo LTIP Units pursuant to the Original Agreement, which vest on the Vest Date based on the Relative Total Shareholder Return of the Parent Entity as compared to the ALPS Clean Energy ETF Index;

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AMENDMENT NO. 1 TO

HASI MANAGEMENT HOLDCO LLC LTIP UNIT AWARD AGREEMENT

UNDER THE

HA SUSTAINABLE INFRASTRUCTURE CAPITAL, INC. EQUITY INCENTIVE PLAN

(Time-Based HoldCo Units)

This Amendment No. 1 (this “Amendment”) to the HASI Management HoldCo LLC LTIP Unit Award Agreement (Time-Based HoldCo Units), dated as of March 1, 2024 (the “Original Agreement”), is entered into as of May 7, 2026 (the “Amendment Effective Date”), by and between HASI Management HoldCo LLC, a Delaware limited liability company (the “Company”), and Marc T. Pangburn(the “Grantee”).

RECITALS

WHEREAS, the Company granted to the Grantee the time-based HoldCo LTIP Units pursuant to the Original Agreement;

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AMENDMENT NO. 1 TO

HASI MANAGEMENT HOLDCO LLC LTIP UNIT AWARD AGREEMENT

UNDER THE

HA SUSTAINABLE INFRASTRUCTURE CAPITAL, INC. EQUITY INCENTIVE PLAN

(Performance-Based HoldCo Units — Cumulative D-EPS)

This Amendment No. 1 (this “Amendment”) to the HASI Management HoldCo LLC LTIP Unit (Cumulative D-EPS) Award Agreement, dated as of March 1, 2024 (the “Original Agreement”), is entered into as of May 7, 2026 (the “Amendment Effective Date”), by and between HASI Management HoldCo LLC, a Delaware limited liability company (the “Company”), and Marc T. Pangburn(the “Grantee”).

RECITALS

WHEREAS, the Company granted to the Grantee performance-based HoldCo LTIP Units pursuant to the Original Agreement, which vest on the Vest Date based on the incremental three-year cumulative Adjusted Earnings per share (A-EPS) of the Parent Entity achieved since its reported A-EPS for the year ending December 31, 2024;

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AMENDMENT NO. 1 TO

HASI MANAGEMENT HOLDCO LLC LTIP UNIT AWARD AGREEMENT

UNDER THE

HA SUSTAINABLE INFRASTRUCTURE CAPITAL, INC. EQUITY INCENTIVE PLAN

(Time-Based HoldCo Units)

This Amendment No. 1 (this “Amendment”) to the HASI Management HoldCo LLC LTIP Unit Award Agreement (Time-Based HoldCo Units), dated as of March 3, 2025 (the “Original Agreement”), is entered into as of May 7, 2026 (the “Amendment Effective Date”), by and between HASI Management HoldCo LLC, a Delaware limited liability company (the “Company”), and Marc T. Pangburn(the “Grantee”).

RECITALS

WHEREAS, the Company granted to the Grantee the time-based HoldCo LTIP Units pursuant to the Original Agreement;

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