GERON CORP (GERN) Insider Trading -- Recent Executive & Director Transactions
3 insiders reported 9 Form 4 transactions for GERON CORP (GERN) over the past 18 months (most recent 2026-10-01). Recent activity: Spiegel Robert J. (Director) Buy 6,351 shares, Spiegel Robert J. (Director) Buy 6,103 shares, Spiegel Robert J. (Director) Buy 5,243 shares, ROBERTSON MICHELLE (EVP, CHIEF FINANCIAL OFFICER) Buy 27,500 shares, ROBERTSON MICHELLE (EVP, CHIEF FINANCIAL OFFICER) Sell 9,855 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-01 | Spiegel Robert J. | Director | Buy | 6,351 | $7,812 |
| 2026-07-01 | Spiegel Robert J. | Director | Buy | 6,103 | $7,812 |
| 2026-04-01 | Spiegel Robert J. | Director | Buy | 5,243 | $7,812 |
| 2026-02-19 | ROBERTSON MICHELLE | EVP, CHIEF FINANCIAL OFFICER | Buy | 27,500 | $0 |
| 2026-02-19 | ROBERTSON MICHELLE | EVP, CHIEF FINANCIAL OFFICER | Sell | 9,855 | $19,119 |
| 2026-01-05 | Spiegel Robert J. | Director | Buy | 5,918 | $7,812 |
| 2025-10-01 | Spiegel Robert J. | Director | Buy | 5,702 | $7,812 |
| 2025-07-01 | Spiegel Robert J. | Director | Buy | 5,540 | $7,811 |
| 2025-05-13 | LAWLIS V BRYAN | Director | Buy | 13,300 | $15,694 |
Source: SEC Form 4 filings · as of 2026-10-01