Company: SNSE
Filing Date: 2025-04-01
Form Type: PRE 14A
Source: 0000950170-25-048533
Chunk: 61

Company: Sensei Biotherapeutics, Inc.
Filing Date: 2025-04-01
Form: PRE 14A
Chunk 61
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holders will be “householding” our proxy materials. A single set of Annual Meeting materials will be delivered to multiple stockholders sharing an address unless contrary instructions have been received from the affected stockholders. Once you have received notice from your broker that they will be “householding” communications to your address, “householding” will continue until you are notified otherwise or until you revoke your consent. If, at any time, you no longer wish to participate in “householding” and would prefer to receive a separate set of Annual Meeting materials, please notify your broker or us. Direct your written request to Sensei Biotherapeutics, Inc., Attn: Secretary, 1405 Research Blvd, Suite 125, Rockville, Maryland 20850. Stockholders who currently receive multiple copies of the Annual Meeting materials at their addresses and would like to request “householding” of their communications should contact their brokers.

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OTHER MATTERS</div>

The Board of Directors knows of no other matters that will be presented for consideration at the Annual Meeting. If any other matters are properly brought before the meeting, it is the intention of the persons named in the accompanying proxy to vote on such matters in accordance with their best judgment.

By Order of the Board of Directors

Christopher W. Gerry

General Counsel and Secretary

Dated: April [●], 2025

A copy of our Annual Report on Form 10-K for the fiscal year ended December 31, 2024 is available without charge upon written request to: Corporate Secretary, Sensei Biotherapeutics, Inc., 1405 Research Blvd, Suite 125, Rockville, Maryland 20850.

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APPENDIX A

CERTIFICATE OF AMENDMENT

TO

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION

OF

SENSEI BIOTHERAPEUTICS, INC.</div>

Sensei Biotherapeutics, Inc. (the “Company”), a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware (the “DGCL”), does hereby certify that:

First:The name of this corporation is Sensei Biotherapeutics, Inc., and the date on which the Certificate of Incorporation of this corporation was originally filed with the Secretary of State of the State of Delaware on December 1, 2017, under the name PPI Holdings, Inc. The Certificate of Incorporation was amended and restated by an Amended and Restated Certificate of