X0306 4 2021-04-14 false 0001770121 Sana Biotechnology, Inc. SANA 0001627387 Harr Steve C/O SANA BIOTECHNOLOGY, INC. 188 EAST BLAINE STREET, SUITE 400 SEATTLE WA 98102 true true false false President & CEO Common Stock 2021-04-14 4 G false 167000.00 0.00 D 8006750.00 D Common Stock 2021-04-14 4 G false 167000.00 0.00 D 7839750.00 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 CCH Trust (1) Common Stock 167000.00 I Held by JOH Trust (1) On April 14, 2021 the Reporting Person transferred (i) 167,000 shares of common stock of the Issuer to the Brian L Harr TTEE CCH Irrevocable Trust U/A DTD 03/25/2021 (the "CCH Trust") and (ii) 167,000 shares of common stock of the Issuer to the Brian L Harr TTEE JOH Irrevocable Trust U/A DTD 03/25/2021 (the "JOH Trust" and, together with the CCH Trust, the "Harr Trusts"), of which Brian L. Harr is the trustee. Members of the Reporting Person's immediate family are the sole beneficiaries of each of the Harr Trusts. /s/ James J. MacDonald, Attorney-in-Fact for Steve Harr 2022-04-15