Certain Common Stock of Geron Corporation are subject to a Lock-Up Agreement Ending on 3-JUN-2024. These Common Stock will be under lockup for 76 days starting from 19-MAR-2024 to 3-JUN-2024.

Details:
The officers and directors have agreed with the underwriters, subject to certain exceptions, not to dispose of or hedge any of its common stock or securities convertible into or exchangeable for shares of common stock during the period from the date of this prospectus supplement continuing through and including the date 75 days after the date of this prospectus supplement, except with the prior written consent of the representatives.