X0206 3/A 2022-09-12 2022-09-16 0 0001770121 Sana Biotechnology, Inc. SANA 0001398322 Cassidy Bernard J C/O SANA BIOTECHNOLOGY,INC. 188 EAST BLAINE STREET,SUITE 400 SEATTLE WA 98102 0 1 0 0 EVP & General Counsel Common Stock 92781 D This Form 3 amendment is being filed to correct the original Form 3 filed on September 16, 2022 to correct the amount of securities beneficially owned by the reporting person. /s/ Nathan Hardy, Attorney-in-Fact for Bernard J. Cassidy 2022-09-20