Bob Holmen - 10 Jun 2026 Form 4 Insider Report for Sensei Biotherapeutics, Inc. (SNSE)

Reporting relationship: Director
Issuer ticker: SNSE
Reported as of: 10 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 Jun 2026, 20:33:39 UTC
Prior SEC filing: 23 May 2025
Source filing: View source filing
Reporting owner signature: /s/ Josiah Craver, Attorney-in-Fact

Key filing fact

Bob Holmen filed Form 4 for Sensei Biotherapeutics, Inc. (SNSE) on 12 Jun 2026.

Key facts

This page summarizes Bob Holmen's Form 4 filing for Sensei Biotherapeutics, Inc. (SNSE).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 12 Jun 2026, 20:33.

Change

Previous filing in this sequence was filed on 23 May 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001843508 Primary reporting owner

Holmen Bob

Relationship: Director
Address: C/O SENSEI BIOTHERAPEUTICS, INC., 1405 RESEARCH BLVD, SUITE 125, ROCKVILLE
Signature: /s/ Josiah Craver, Attorney-in-Fact
Signature date: 12 Jun 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SNSE transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares: +12,500
Change %
Price: $0.000000^*
Shares after: 12,500
Date: 10 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 12,500
Exercise price: $11.41
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The shares subject to the option vest and become exercisable in 12 equal monthly installments over a one year period such that the option is fully vested on June 10, 2027, subject to the Reporting Person's continuous service with the Issuer as of each such vesting date.

SEC remarks

Exhibit 24 - Power of Attorney