Company: SNSE
Filing Date: 2025-04-01
Form Type: PRE 14A
Source: 0000950170-25-048533
Chunk: 8

Company: Sensei Biotherapeutics, Inc.
Filing Date: 2025-04-01
Form: PRE 14A
Chunk 8
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Who is paying for this proxy solicitation?

The Company will pay for the entire cost of soliciting proxies. In addition to our proxy materials, our directors and employees may also solicit proxies virtually, by telephone, or by other means of communication. Directors and employees will not be paid any additional compensation for soliciting proxies. We will also reimburse brokerage firms, banks and other agents for the cost of forwarding proxy materials to beneficial owners.

What does it mean if I receive more than one Notice?

If you receive more than one Notice, your shares may be registered in more than one name or in different accounts. Please follow the voting instructions on the Notice to ensure that all of your shares are voted.

Can I change my vote after submitting my proxy?

Stockholder of Record: Shares Registered in Your Name

Yes. You can revoke your proxy at any time before the final vote at the meeting. If you are the record holder of your shares, you may revoke your proxy in any one of the following ways:

| • |     | You may submit another properly completed proxy card with a later date. |                                                                                                                                                               |
| • |     |                                                                         | You may grant a subsequent proxy by telephone or through the internet.                                                                                        |
| • |     |                                                                         | You may send a timely written notice that you are revoking your proxy to our Corporate Secretary at 1405 Research Blvd, Suite 125, Rockville, Maryland 20850. |
| • |     |                                                                         | You may attend the Annual Meeting and vote online. Simply attending the meeting will not, by itself, revoke your proxy.                                       |

Your most current proxy card or telephone or internet proxy is the one that is counted.

Beneficial Owner: Shares Registered in the Name of Broker or Bank

If your shares are held by your broker or bank as a nominee or agent, you should follow the instructions provided by your broker or bank.

When are stockholder proposals and director nominations due for next year’s Annual Meeting?

To be considered for inclusion in next year’s proxy materials, your proposal must be submitted in writing by [●] to our Corporate Secretary at 1405 Research Blvd, Suite 125, Rockville, Maryland 20850. If you wish to nominate an individual for election at, or bring business other than through a stockholder proposal before, the 2025 Annual Meeting, you must deliver your notice to our Corporate Secretary at the address above between January 21, 2026 and February 20, 2026 .