0001193125-26-055010 Sample Contracts

Husam Younis Re: Employment Agreement Dear Husam:
Employment Agreement • February 17th, 2026 • Atrium Therapeutics, Inc. • Pharmaceutical preparations • California

In connection with the distribution (the “Distribution”) by Avidity Biosciences, Inc. (“Avidity”) of all the issued and outstanding shares of common stock, par value $0.001 per share of Atrium Therapeutics, Inc. (the “Company”), you and the Company desire to enter into this Employment Agreement (this “Agreement”), which shall be effective from and after (and subject to the occurrence of) the date of the Distribution and which shall supersede and replace your existing employment agreement with Avidity dated September 4, 2024 (the “Prior Agreement”), which Prior Agreement is being transferred to the Company in connection with the Distribution, upon such effectiveness. In the event that the Distribution does not occur, this Agreement shall be null and void, ab initio. The provisions set forth herein shall be in effect from and after the Distribution, and by entering into this Agreement, you understand and agree that you shall have no further rights or claims under the Prior Agreement as o

AMENDED AND RESTATED LEASE AGREEMENT
Lease Agreement • February 17th, 2026 • Atrium Therapeutics, Inc. • Pharmaceutical preparations

THIS AMENDED AND RESTATED LEASE AGREEMENT AMENDS, RESTATES AND SUPERSEDES IN ITS ENTIRETY THAT CERTAIN LEASE AGREEMENT DATED AS OF June 1, 2020 (THE “ORIGINAL LEASE”), BY AND BETWEEN TENANT (AS DEFINED BELOW) AND LANDLORD (AS DEFINED BELOW).

INDEMNIFICATION AGREEMENT
Indemnification Agreement • February 17th, 2026 • Atrium Therapeutics, Inc. • Pharmaceutical preparations • Delaware

This Indemnification Agreement (“Agreement”) is made as of _____________, 20__ by and between Atrium Therapeutics, Inc., a Delaware corporation (the “Company”), and ______________, [a member of the Board of Directors / an officer] of the Company (“Indemnitee”). This Agreement supersedes and replaces any and all previous Agreements between the Company and Indemnitee covering indemnification and advancement.