X0508 4 2026-03-06 false 0001770121 Sana Biotechnology, Inc. SANA 0001627387 Harr Steve C/O SANA BIOTECHNOLOGY, INC. 188 EAST BLAINE STREET, SUITE 350 SEATTLE WA 98102 true true false false President & CEO false Common Stock 2026-03-06 4 M false 41666.00 0.00 A 7918596.00 D Common Stock 2026-03-07 4 M false 50000.00 0.00 A 7968596.00 D Common Stock 2026-03-09 4 F false 11526.00 3.13 D 7957070.00 D Common Stock 2026-03-09 4 F false 12819.00 3.10 D 7944251.00 D Common Stock 682500.00 I Held by Harr Family Irrevocable Trust of 2015 dtd 12/28/2015 Common Stock 167000.00 I Held by Brian L Harr TTEE CCH Irrevocable Trust U/A DTD 03/25/2021 Common Stock 167000.00 I Held by Brian L Harr TTEE JOH Irrevocable Trust U/A DTD 03/25/2021 Restricted Stock Units 2026-03-06 4 M false 41666.00 0.00 D Common Stock 41666.00 125001.00 D Restricted Stock Units 2026-03-07 4 M false 50000.00 0.00 D Common Stock 50000.00 100000.00 D Brian L. Harr is the trustee of these trusts, whose sole beneficiaries are members of the reporting person's immediate family. Each restricted stock unit represents a contingent right to receive one share of Sana Biotechnology, Inc. ("Sana") common stock. The award vested as to 25% of the restricted stock units on March 6, 2026, and the remaining restricted stock units will vest in three equal installments on each of March 6, 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 award vested as to 25% of the restricted stock units on each of March 7, 2025 and 2026, and the remaining restricted stock units will vest in two equal installments on each of March 7, 2027 and 2028, provided that the reporting person provides continuous service to Sana as an employee, consultant, director or officer of Sana through each such date. /s/ Aaron M. Grossman, Attorney-in-Fact for Steve Harr 2026-03-10