Bernard J. Cassidy - 06 Mar 2025 Form 4 Insider Report for Sana Biotechnology, Inc. (SANA)

Role: EVP & General Counsel
Signature: /s/ Bernard J. Cassidy
Issuer symbol: SANA
Transactions as of: 06 Mar 2025
Net transactions value: -$7,252
Form type: 4
Filing time: 10 Mar 2025, 20:12:58 UTC
Previous filing: 08 Mar 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SANA	Common Stock	Options Exercise	$0	+11,041	+11%	$0.000000	115,823	07 Mar 2025	Direct	F1
transaction	SANA	Common Stock	Tax liability	$7,252	-2,833	-2.4%	$2.56	112,990	10 Mar 2025	Direct

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	SANA	Restricted Stock Units	Award	$0	+53,333		$0.000000	53,333	06 Mar 2025	Common Stock	53,333		Direct	F2, F3
transaction	SANA	Stock Option (Right to Buy)	Award	$0	+240,000		$0.000000	240,000	06 Mar 2025	Common Stock	240,000	$2.55	Direct	F4
transaction	SANA	Restricted Stock Units	Options Exercise	$0	-11,041	-25%	$0.000000	33,126	07 Mar 2025	Common Stock	11,041		Direct	F2, F5

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

Explanation of Responses:

Id	Content
F1	Includes 3,001 shares acquired on May 15, 2023 and 3,000 shares acquired on each of November 15, 2023, May 15, 2024 and November 15, 2024, in each case, pursuant to Sana Biotechnology, Inc.'s ("Sana") 2021 Employee Stock Purchase Plan.
F2	Each restricted stock unit represents a contingent right to receive one share of Sana common stock.
F3	The restricted stock units vest in four equal installments on each of March 6, 2026, 2027, 2028 and 2029, provided that the reporting person provides continuous service to Sana as an employee, consultant, director or officer of Sana through each such date.
F4	The option vests and becomes exercisable as to 25% of the underlying shares on March 6, 2026 and in 36 equal monthly installments thereafter, provided that the reporting person provides continuous service to Sana as an employee, consultant, director or officer of Sana through each such date.
F5	The award vested as to 25% of the restricted stock units on March 7, 2025 and the remaining restricted stock units will vest in three equal installments on each of March 7, 2026, 2027 and 2028, provided that the reporting person provides continuous service to Sana as an employee, consultant, director or officer of Sana through such date.