Tectonic Therapeutic Inc. Watch

from 10-K 5 pages It Is With Great Pleasure That I Am Inviting You to Join Our Team at Tectonic Therapeutic, Inc. (The “Company”). Your Position Will Be That of Chief Financial Officer (“Role”). Your Employment With the Company in the Role Will Commence as of June 3, 2024, or on Such Other Date as Determined by You and the Company (The “Effective Date”). as an Exempt Salaried Employee, You Will Be Expected to Work the Company’s Normal Business Hours as Well as Additional Hours as Required by the Nature of Your Work Assignments, and You Will Not Be Eligible for Overtime Compensation. 1. Position: While Serving in the Role, You Shall Report to the Company’s Chief Executive Officer. You Will Have Such Duties, Authorities, and Responsibilities as Are Customarily Associated With the Role. 2

from 8-K 22 pages Form of Registration Rights Agreement

from 8-K 41 pages Form of Securities Purchase Agreement

from 10-Q 4 pages Tectonic Therapeutic, Inc. Non-Employee Director Compensation Policy

from 8-K 9 pages June 7, 2024 Christian Cortis 1 Sylvan Road Wellesley, Ma 02481 via Electronic Delivery Dear Chris

from 8-K 15 pages Tectonic Therapeutic, Inc. 2024 Employee Stock Purchase Plan Adopted by the Board of Directors: June 20, 2024 Approved by the Stockholders: June 11, 2024

from 8-K 15 pages Tectonic Therapeutic, Inc. Stock Option Grant Notice

from 8-K 33 pages Tectonic Therapeutic, Inc. 2024 Equity Incentive Plan Adopted by the Board of Directors: June 20, 2024 Approved by the Stockholders: June 11, 2024

from 8-K 11 pages Amended and Restated Executive Employment Agreement

from 8-K 54 pages Subscription Agreement

from 8-K 13 pages Tectonic Therapeutic, Inc. Form of Indemnity Agreement

from 8-K 20 pages Contingent Value Rights Agreement

from S-4/A 14 pages Tectonic Therapeutic, Inc. Severance Plan and Summary Plan Description Approved by the Board of Directors: , 2024

from S-4/A 4 pages Re: Offer of Employment Dear Dr. Cortis: I Am Pleased to Offer You a Position With Tectonic Therapeutic, Inc. (The “Company”), as Its Interim CEO in the Company’s Boston, Ma Office (Address Tbd). as We Have Discussed, It Is Anticipated That Your Tile and Role May Change to Another C-Level Position. if You Decide to Join US, You Will Be Paid a Salary at the Rate of $300,000 Per Year, Less Applicable Withholdings, Which Will Be Paid Bi-Weekly in Accordance With the Company’s Normal Payroll Procedures

from S-4/A 4 pages Date: June 16, 2021 Name: Marcie Ruddy Address: Dear Marcie, It Is With Great Pleasure That I Am Inviting You to Join Our Team at Tectonic Therapeutic, Inc. (The “Company”). Your Position Will Be That of Chief Medical Officer, Reporting to Me, the President and Chief Executive Officer. Effective Date: The Effective Date of Employment as an Exempt, Regular, Full-Time Employee Will Be On, or at Your Earliest Convenience Before September 1st, 2021. Compensation: Your Annual Base Salary Shall Be Four Hundred and Twenty Five Thousand Dollars ($425,000) Paid Bi-Monthly at a Rate of $17,708.33 Per Pay Period, Less Payroll Deductions and Withholdings, and Paid in Accordance With the Company’s Standard Payroll Practices

from S-4/A 11 pages Form of Amended and Restated Executive Employment Agreement

from S-4/A 24 pages “Certain Confidential Information Contained in This Document, Marked by [***], Has Been Omitted Because Tectonic Therapeutic, Inc. Has Determined the Information (I) Is Not Material and (II) Is the Type That Tectonic Therapeutic, Inc. Treats as Private or Confidential.” Master Clinical Contract Services Agreement

from S-4/A 29 pages “Certain Confidential Information Contained in This Document, Marked by [***], Has Been Omitted Because Tectonic Therapeutic, Inc. Has Determined the Information (I) Is Not Material and (II) Is the Type That Tectonic Therapeutic, Inc. Treats as Private or Confidential.” Development and Manufacturing Services Agreement

from S-4/A 16 pages “Certain Confidential Information Contained in This Document, Marked by [***], Has Been Omitted Because Tectonic Therapeutic, Inc. Has Determined the Information (I) Is Not Material and (II) Is the Type That Tectonic Therapeutic, Inc. Treats as Private or Confidential.” Master Contract Services Agreement

from S-4/A 15 pages “Certain Confidential Information Contained in This Document, Marked by [***], Has Been Omitted Because Tectonic Therapeutic, Inc. Has Determined the Information (I) Is Not Material and (II) Is the Type That Tectonic Therapeutic, Inc. Treats as Private or Confidential.” Master Contract Services Agreement