SECOND AMENDMENT TO STOCKHOLDER RIGHTS AGREEMENTStockholder Rights Agreement • March 5th, 2024 • Sensei Biotherapeutics, Inc. • Pharmaceutical preparations • Delaware
This Second Amendment to Stockholder Rights Agreement (this “Second Amendment”) is made effective as of the 5th day of March, 2024. This Second Amendment is an amendment to the Stockholder Rights Agreement, dated as of March 7, 2023 (the “2023 Rights Agreement”), between Sensei Biotherapeutics, Inc., a Delaware corporation (the “Company”), and Equiniti Trust Company, LLC (f/k/a/ American Stock Transfer & Trust Company, LLC) (the “Rights Agent”), as amended by the Amendment to Stockholder Rights Agreement, dated June 23, 2023, between the Company and the Rights Agent (the “First Amendment”, and together with the 2023 Rights Agreement, the “Rights Agreement”). The Company and the Rights Agent are collectively referred to as the “Parties.” Capitalized terms used and not otherwise defined herein have the meanings ascribed to them in the Rights Agreement.
