Transaction Details

Footnotes

This transaction is being reported late due to an inadvertent administrative error and not any error of the reporting person. | Includes 3,000 shares acquired on May 15, 2025 pursuant to Sana Biotechnology, Inc.'s ("Sana") 2021 Employee Stock Purchase Plan (the "ESPP"). | Includes 3,000 shares acquired on November 14, 2025 pursuant to the ESPP. | Each restricted stock unit represents a contingent right to receive one share of Sana common stock. | The award vests as to 100% of the restricted stock units on December 13, 2025, provided that the reporting person provides continuous service to Sana as an employee, consultant, director or officer of Sana through such date. | The option vests as to 100% of the shares underlying the option on January 13, 2026, provided that the reporting person provides continuous service to Sana as an employee, consultant, director or officer of Sana through such date. | The restricted stock units vested in two equal installments on each of June 3, 2025 and December 3, 2025.