Sensei Biotherapeutics, Inc. | Business Contracts

Employment Agreement, dated May 5, 2022, by and between the Registrant and Patrick Gallagher (Filed With SEC on August 9, 2022)

Description of Securities (incorporated by reference to Exhibit 4.3 to the Registrants Annual Report on Form 10-K (File No. 001-39980)) (Filed With SEC on March 15, 2022)

Sensei Biotherapeutics, Inc. 2021 Employee Stock Purchase Plan (Filed With SEC on February 1, 2021)

Lease Agreement, by and between Sensei Biotherapeutics, Inc. and Are-Maryland No. 8 Corp., dated as of October 22, 2020 (Filed With SEC on January 15, 2021)

Independent Contractor and Strategic Advisory Services Agreement entered into by and between Sensei Biotherapeutics, Inc. and Samuel Broder M.D., dated as of May 8, 2018, as... (Filed With SEC on January 15, 2021)

Non-exclusive License Agreement, by and between Alvaxa Biosciences, Incorporated and Fred Hutch Cancer Research Center, dated as of January 3, 2020 (Filed With SEC on January 15, 2021)

Separation from Employment Letter and Separation Agreement, by and between Sensei Biotherapeutics, Inc. and Marie-Louise Fjaellskog, dated as of December 1, 2021 (Filed With SEC on March 15, 2022)

Non-Employee Director Compensation Policy (Filed With SEC on March 15, 2022)

EMPLOYMENT AGREEMENT (Filed With SEC on March 15, 2022)

First Amended and Restated Employment Agreement, dated April 28, 2021, by and between the Company and Erin Colgan (Filed With SEC on May 3, 2021)

Non-Employee Director Compensation Policy (Filed With SEC on March 30, 2021)

Description of Securities (Filed With SEC on March 30, 2021)

Sensei Biotherapeutics, Inc. 2021 Equity Incentive Plan and forms of agreements thereunder (Filed With SEC on February 1, 2021)

Amended and Restated Employment Agreement, by and between Sensei Biotherapeutics, Inc. and Anupama Hoey, dated as of January 28, 2021 (Filed With SEC on February 1, 2021)

Amended and Restated Employment Agreement, by and between Sensei Biotherapeutics, Inc. and Robert H. Pierce, dated as of January 28, 2021 (Filed With SEC on February 1, 2021)

Amended and Restated Employment Agreement, by and between Sensei Biotherapeutics, Inc. and Marie-Louise Fjaellskog, dated as of January 28, 2021 (Filed With SEC on February 1, 2021)

Amended and Restated Employment Agreement, by and between Sensei Biotherapeutics, Inc. and John Celebi, dated as of January 28, 2021 (Filed With SEC on February 1, 2021)

Form of warrant to purchase common stock (Filed With SEC on February 1, 2021)

Investors Rights Agreement, dated as of December 29, 2020, by and among the Registrant and certain of its stockholders (Filed With SEC on February 1, 2021)

Form of Underwriting Agreement (Filed With SEC on February 1, 2021)

Investors Rights Agreement, dated as of January 10, 2020, by and among the Registrant and certain of its stockholders (Filed With SEC on January 15, 2021)

Employment Agreement, by and between Sensei Biotherapeutics, Inc. and Anupama Hoey, dated as of October 13, 2020 (Filed With SEC on January 15, 2021)

Employment Agreement, by and between Sensei Biotherapeutics, Inc. and Robert H Pierce, dated as of February 9, 2020 (Filed With SEC on January 15, 2021)

Amended and Restated Employment Agreement, by and between Sensei Biotherapeutics, Inc. and Marie-Louise Fjaellskog, dated as of December 4, 2020 (Filed With SEC on January 15, 2021)

Amended and Restated Employment Agreement, by and between Sensei Biotherapeutics, Inc. and John Celebi, dated as of January 1, 2021 (Filed With SEC on January 15, 2021)

Form of Indemnification Agreement entered into by and between Sensei Biotherapeutics, Inc. and each director and executive officer (Filed With SEC on January 15, 2021)

Sensei Biotherapeutics, Inc. 2018 Equity Incentive Plan, as amended, and forms of agreements thereunder (Filed With SEC on January 15, 2021)

Stock Purchase Agreement, by and among Sensei Biotherapeutics, Inc. and the stockholders of Alvaxa Biosciences, Inc., dated as of May 18, 2020 (Filed With SEC on January 15, 2021)

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