Transaction Details

Footnotes

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.