TRex Bio, Inc. Sample Contracts
LEASE AGREEMENTLease Agreement • September 18th, 2026 • TRex Bio, Inc. • Biological products, (no disgnostic substances)
THIS LEASE AGREEMENT (this “Lease”) is made this 15th day of April, 2026 (the “Effective Date”), between ARE-SAN FRANCISCO NO. 46, LLC, a Delaware limited liability company (“Landlord”), and TREX BIO, INC., a Delaware corporation (“Tenant”).
RESEARCH COLLABORATION AND LICENSE AGREEMENT BY AND AMONG ELI LILLY AND COMPANY, TREX BIO, INC., AND TREX HOLDINGS INC.Research Collaboration and License Agreement • September 18th, 2026 • TRex Bio, Inc. • Biological products, (no disgnostic substances) • New York
This Research Collaboration and License Agreement (this “Agreement”) is entered into as of January 6, 2023 (the “Execution Date”) and is effective as of the Antitrust Clearance Date (the “Effective Date”) except for Article 9 hereof, which shall be effective as of the Execution Date, by and among, on the one hand, Eli Lilly and Company, an Indiana corporation (“Lilly”), and, on the other hand, TRex Bio Inc., a Delaware company (“TRex”), and solely for purposes of Section 14.9, TRex Holdings Inc., a Delaware company (“Parent”). Lilly and TRex are sometimes referred to herein individually as a “Party” and collectively as the “Parties.”
Re: Employment Agreement Dear Laura:Employment Agreement • July 31st, 2026 • TRex Bio, Inc. • Biological products, (no disgnostic substances) • California
Trex Bio, Inc., a Delaware corporation (the “Company”), is pleased to offer you continued employment pursuant to the following terms (this “Agreement”):
FIRST AMENDMENT TO RESEARCH COLLABORATION AND LICENSE AGREEMENTResearch Collaboration and License Agreement • September 18th, 2026 • TRex Bio, Inc. • Biological products, (no disgnostic substances)
This First Amendment to the Research Collaboration and License Agreement (this “First Amendment”), dated as of [XX], 2026 (“First Amendment Effective Date”), is made by and between Eli Lilly and Company, an Indiana corporation (“Lilly”), and TRex Bio, Inc., a Delaware corporation (“TRex”). Lilly and TRex are sometimes referred to herein individually as a “Party” and collectively as the “Parties.”
Stock Option Agreement TRex Bio, Inc. 2024 Equity Incentive PlanStock Option Agreement • September 18th, 2026 • TRex Bio, Inc. • Biological products, (no disgnostic substances) • California
This Stock Option Agreement (this “Agreement”) is made and entered into as of the date of grant (the “Date of Grant”) set forth on the Notice of Stock Option Grant attached as the facing page to this Agreement (the “Grant Notice”) by and between TRex Bio. Inc., a Delaware corporation (the “Company”), and the optionee named on the Grant Notice (“Optionee”). Capitalized terms not defined in this Agreement shall have the meaning ascribed to them in the Company’s 2024 Equity Incentive Plan (the “Plan”) or in the Grant Notice, as applicable.
TRex Bio, Inc. Executive Employment AgreementExecutive Employment Agreement • July 31st, 2026 • TRex Bio, Inc. • Biological products, (no disgnostic substances) • California
This Executive Employment Agreement (the “Agreement”) made between TRex Bio, Inc, a Delaware corporation (the “Company”) and M. Johnston Erwin. Jr. (the “Executive” and, collectively with the Company the “Parties”), is entered into as of the date Executive commences his employment with the Company (the “Effective Date”).
TRex Bio, Inc. South San Francisco, CA 94080 AMENDMENT TO EMPLOYMENT AGREEMENTEmployment Agreement • July 31st, 2026 • TRex Bio, Inc. • Biological products, (no disgnostic substances) • Delaware
This Amendment to Employment Agreement (the “Amendment”) amends the Employment Agreement by and between TRex Bio, Inc., a Delaware corporation (the “Company”) and M. Johnston Erwin, Jr. (the “Executive”), (the “Employment Agreement”). This Amendment shall be effective as of June 22, 2026. All capitalized terms used in this Amendment shall have the meanings ascribed to them in the Employment Agreement unless otherwise expressly provided herein.