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Insider Trading Arrangements | 3 Months Ended
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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 Title | Action Taken | Date of Action | Rule 10b5-1* | Non-Rule 10b5-1** | Nature of Trading Arrangement | Aggregate Number of Securities | Duration of Trading Arrangement
V. Bryan Lawlis, Ph.D. | Adopted | May 15, 2025 | X |  | Sale | 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.
1 Consists 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

X
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