John Celebi - 14 Feb 2025 Form 4 Insider Report for Sensei Biotherapeutics, Inc. (SNSE)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SNSE	Stock Option (Right to Buy)	Award	$0	+360,000		$0	360,000	14 Feb 2025	Common Stock	360,000	$0.476	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	The option shall vest over a period of four years as follows: 25% of the total number of shares subject to the option shall vest on February 14, 2026, and the remainder will vest 1/48th of total number of shares subject to the option monthly thereafter over the remaining three years, subject to the Reporting Person's continuous service with the Issuer as of each such date.