X0206 3 2021-02-03 0 0001770121 Sana Biotechnology, Inc. SANA 0001830054 MacDonald James J. C/O SANA BIOTECHNOLOGY, INC. 188 EAST BLAINE STREET, SUITE 400 SEATTLE WA 98102 0 1 0 0 See Remarks Common Stock 335000 D Common Stock 125000 I Held by the NMM Trust Common Stock 125000 I Held by the KOM Trust Stock Option (Right to Buy) 1.48 2030-01-26 Common Stock 118750 D Stock Option (Right to Buy) 7.80 2030-11-08 Common Stock 162500 D Series A-1 Convertible Preferred Stock Common Stock 93750 D Series B Convertible Preferred Stock Common Stock 7812 I Held by The James J. MacDonald and Rena Chng Trust dtd 01/15/10 The option vests and becomes exercisable as to 25% of the underlying shares on February 14, 2021 and in 36 equal monthly installments thereafter. The option vests and becomes exercisable as to 25% of the underlying shares on February 15, 2022 and in 36 equal monthly installments thereafter. The shares of Issuer's Preferred Stock automatically convert into shares of Issuer's Common Stock, for no additional consideration, on a 1-for-1 basis immediately prior to the consummation of Issuer's initial public offering. The expiration date is not relevant to the conversion of these securities. EVP, General Counsel and Corporate Secretary Exhibit 24 - Power of Attorney. /s/ James J. MacDonald 2021-02-03