Robert L. Rosiello - 05 Jun 2025 Form 4 Insider Report for Sana Biotechnology, Inc. (SANA)

Role: Director
Signature: /s/ Bernard J. Cassidy, Attorney-in-Fact for Robert L. Rosiello
Issuer symbol: SANA
Transactions as of: 05 Jun 2025
Net transactions value: $0
Form type: 4
Filing time: 09 Jun 2025, 16:40:33 UTC
Previous filing: 04 Oct 2024
Next filing: 06 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Rosiello Robert L.	Director	C/O SANA BIOTECHNOLOGY, INC., 188 EAST BLAINE STREET, SUITE 400, SEATTLE	/s/ Bernard J. Cassidy, Attorney-in-Fact for Robert L. Rosiello	09 Jun 2025	0001645041

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	Stock Option (Right to Buy)	Award	$0	+115,000		$0.000000	115,000	05 Jun 2025	Common Stock	115,000	$2.55	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The option vests and becomes exercisable in 36 equal monthly installments beginning on July 5, 2025, provided that the reporting person provides continuous service to Sana Biotechnology, Inc. through each such date.