GERON CORP — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Spiegel Robert J. | — | Award / Grant | 5,702 | $1.37 | $7,812 | 188,546 | Sep 30, 2025 |
| Spiegel Robert J. | — | Award / Grant | 5,540 | $1.41 | $7,811 | 182,844 | Jun 30, 2025 |
| LAWLIS V BRYAN | — | Purchase | 13,300 | $1.18 | $15,694 | 13,300 | May 9, 2025 |
| Spiegel Robert J. | — | Award / Grant | 4,913 | $1.59 | $7,812 | 177,304 | Mar 31, 2025 |
| Samuels Scott Alan | EVP, Chief Legal Officer | Purchase | 15,000 | $1.61 | $24,150 | 26,682 | Feb 27, 2025 |
| SCARLETT JOHN A | Chairman, President and CEO | Purchase | 12,500 | $1.77 | $22,125 | 12,500 | Feb 27, 2025 |
| Ziegler James | EVP, Chief Commercial Officer | Purchase | 100,000 | $1.60 | $160,000 | 100,000 | Feb 27, 2025 |
| Spiegel Robert J. | — | Award / Grant | 2,206 | $3.54 | $7,809 | 172,391 | Dec 31, 2024 |
| Spiegel Robert J. | — | Award / Grant | 2,206 | — | — | 172,391 | Dec 31, 2024 |
| Spiegel Robert J. | — | Award / Grant | 1,767 | $4.54 | $8,022 | 170,185 | Sep 30, 2024 |
| Spiegel Robert J. | — | Award / Grant | 1,767 | — | — | 170,185 | Sep 30, 2024 |
| GRETHLEIN ANDREW J | EVP, Chief Operating Officer | Option Exercise | 674,348 | $1.72 | $1,159,879 | 674,348 | Jul 8, 2024 |
| Spiegel Robert J. | — | Award / Grant | 2,462 | $3.30 | $8,125 | 166,502 | Jun 28, 2024 |
| Spiegel Robert J. | — | Award / Grant | 2,462 | — | — | 166,502 | Jun 28, 2024 |
| Feller Faye | EVP, Chief Medical Officer | Option Exercise | 20,000 | $1.06 | $21,200 | 20,000 | Jun 10, 2024 |
| Kapur Anil | EVP, Corp Strategy & CCO | Sale | 421,875 | $4.65 | $1,961,719 | — | Jun 10, 2024 |
| SCARLETT JOHN A | Chairman, President and CEO | Option Exercise | 600,000 | $2.54 | $1,524,000 | 600,000 | Jun 4, 2024 |
| LAWLIS V BRYAN | — | Option Exercise | 35,000 | $1.94 | $67,900 | 35,000 | May 15, 2024 |
| Spiegel Robert J. | — | Award / Grant | 3,406 | — | — | 164,040 | Dec 29, 2023 |
| Molineaux Susan | — | Award / Grant | 6,220 | — | — | 130,527 | Dec 29, 2023 |
| Aggarwal Gaurav | — | Award / Grant | 1,970 | — | — | 1,970 | Dec 29, 2023 |
| Molineaux Susan | — | Award / Grant | 6,191 | — | — | 124,307 | Sep 29, 2023 |
| Spiegel Robert J. | — | Award / Grant | 3,390 | — | — | 160,634 | Sep 29, 2023 |
| O'Farrell Elizabeth G. | — | Purchase | 6,579 | $2.28 | $15,000 | 26,220 | Aug 24, 2023 |
| Molineaux Susan | — | Award / Grant | 4,088 | — | — | 118,116 | Jun 30, 2023 |
| Spiegel Robert J. | — | Award / Grant | 2,239 | — | — | 157,244 | Jun 30, 2023 |
| Kapur Anil | EVP, Corp Strategy & CCO | Award / Grant | 7,567 | $2.04 | $15,437 | 60,783 | Jun 30, 2023 |
| LAWLIS V BRYAN | — | Option Exercise | 35,000 | $1.10 | $38,500 | 35,000 | May 11, 2023 |
| Molineaux Susan | — | Option Exercise | 35,000 | $1.10 | $38,500 | 35,000 | May 1, 2023 |
| Molineaux Susan | — | Award / Grant | 6,048 | — | — | 114,028 | Mar 31, 2023 |
| Spiegel Robert J. | — | Award / Grant | 3,312 | — | — | 155,005 | Mar 31, 2023 |
| GRETHLEIN ANDREW J | EVP, Chief Operating Officer | Sale | 234,719 | $3.03 | $711,199 | — | Feb 9, 2023 |
| Bloom Olivia Kyusuk | EVP, Chief Financial Officer | Sale | 400,000 | $3.08 | $1,232,000 | 74,588 | Feb 8, 2023 |
| SCARLETT JOHN A | Chairman, President and CEO | Option Exercise | 446,666 | $1.50 | $669,999 | 446,666 | Feb 8, 2023 |
| EASTHAM KARIN | — | Option Exercise | 35,000 | $1.10 | $38,500 | 109,047 | Jan 13, 2023 |
| Kapur Anil | EVP, Corp Strategy & CCO | Award / Grant | 6,021 | $1.11 | $6,683 | 53,216 | Dec 30, 2022 |
| Spiegel Robert J. | — | Award / Grant | 2,970 | — | — | 151,693 | Dec 30, 2022 |
| Spiegel Robert J. | — | Award / Grant | 3,071 | — | — | 148,723 | Sep 30, 2022 |
| GRETHLEIN ANDREW J | EVP, Chief Operating Officer | Option Exercise | 232,719 | $1.70 | $395,622 | 234,719 | Sep 12, 2022 |
| Kapur Anil | EVP, Corp Strategy & CCO | Award / Grant | 13,062 | $1.11 | $14,499 | 47,195 | Jun 30, 2022 |
| Spiegel Robert J. | — | Award / Grant | 4,637 | — | — | 145,652 | Jun 30, 2022 |
| EASTHAM KARIN | — | Option Exercise | 35,000 | $1.41 | $49,350 | 74,047 | Apr 20, 2022 |
| Spiegel Robert J. | — | Award / Grant | 5,284 | — | — | 141,015 | Mar 31, 2022 |
| Spiegel Robert J. | — | Award / Grant | 5,891 | — | — | 135,731 | Dec 31, 2021 |
| Spiegel Robert J. | — | Award / Grant | 5,246 | — | — | 129,840 | Sep 30, 2021 |
| Spiegel Robert J. | — | Award / Grant | 5,097 | — | — | 124,594 | Jun 30, 2021 |
| Spiegel Robert J. | — | Award / Grant | 4,549 | — | — | 119,497 | Mar 31, 2021 |
| Spiegel Robert J. | — | Award / Grant | 4,520 | — | — | 114,948 | Dec 31, 2020 |
| Spiegel Robert J. | — | Award / Grant | 4,130 | — | — | 110,428 | Sep 30, 2020 |
| O'Farrell Elizabeth G. | — | Purchase | 17,441 | $1.73 | $30,173 | 19,641 | Aug 21, 2020 |