X0508 4 2025-03-06 false 0001770121 Sana Biotechnology, Inc. SANA 0001398322 Cassidy Bernard J C/O SANA BIOTECHNOLOGY, INC. 188 EAST BLAINE STREET, SUITE 400 SEATTLE WA 98102 false true false false EVP & General Counsel false Common Stock 2025-03-07 4 M false 11041.00 0.00 A 115823.00 D Common Stock 2025-03-10 4 F false 2833.00 2.56 D 112990.00 D Restricted Stock Units 2025-03-06 4 A false 53333.00 0.00 A Common Stock 53333.00 53333.00 D Stock Option (Right to Buy) 2.55 2025-03-06 4 A false 240000.00 0.00 A 2035-03-05 Common Stock 240000.00 240000.00 D Restricted Stock Units 2025-03-07 4 M false 11041.00 0.00 D Common Stock 11041.00 33126.00 D 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. Each restricted stock unit represents a contingent right to receive one share of Sana common stock. 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. 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. 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. /s/ Bernard J. Cassidy 2025-03-10