v3.25.2
Insider Trading Arrangements
 3 Months Ended
Jun. 30, 2025
shares
Trading Arrangements, by Individual  
Non-Rule 10b5-1 Arrangement Adopted false
Rule 10b5-1 Arrangement Terminated false
Non-Rule 10b5-1 Arrangement Terminated false
V. Bryan Lawlis, Ph.D. [Member]  
Trading Arrangements, by Individual  
Material Terms of Trading Arrangement
During the quarterly period covered by this report, the following directors and officers (as defined in Rule 16a-1(f) under the Exchange Act) adopted or terminated a "Rule 10b5-1 trading arrangement" or a "non-Rule 10b5-1 trading arrangement" (as such terms are defined in Item 408 of Regulation S-K) as set forth in the table below.
Character of Trading Arrangement
Name and TitleAction TakenDate of ActionRule 10b5-1*Non-Rule 10b5-1**Nature of Trading Arrangement Aggregate Number of SecuritiesDuration of Trading Arrangement
V. Bryan Lawlis, Ph.D.AdoptedMay 15, 2025XSale
406,000 1
May 15, 2025−
May 15, 2026, or such earlier date on which all shares under the plan are sold.
Director
*Contract, instruction or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act.
**"Non-Rule 10b5-1 trading arrangement" as defined in Item 408(c) of Regulation S-K under the Exchange Act.
1Consists of 406,000 shares subject to stock options previously granted by Geron to Dr. Lawlis.
Name V. Bryan Lawlis, Ph.D.
Title Director
Rule 10b5-1 Arrangement Adopted true
Adoption Date May 15, 2025
Expiration Date May 15, 2026
Arrangement Duration 365 days
Aggregate Available 406,000