GERN · Geron Corporation Common Stock
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| Robert J. Spiegel Director | ▲ Buy | Grant | 205,810 Shares held | 6/30/2026 | View profile |
| Molineaux Susan Director | ▲ Buy | Grant | 130,527 Shares held | 12/29/2023 | View profile |
| Karin Eastham Director | ▲ Buy | Option Exercise | 109,047 Shares held | 1/13/2023 | View profile |
| James Ziegler EVP, Chief Commercial Officer | ▲ Buy | Open Market | 100,000 Shares held | 2/27/2025 | View profile |
| Bloom Olivia Kyusuk | ▼ Sell | Open Market | 74,588 Shares held | 2/8/2023 | View profile |
| Scott Alan Samuels EVP, Chief Legal Officer | ▲ Buy | Open Market | 26,682 Shares held | 2/27/2025 | View profile |
| Elizabeth G. O'Farrell Director | ▲ Buy | Open Market | 26,220 Shares held | 8/24/2023 | View profile |
| Michelle Robertson Director | ▼ Sell | Open Market | 17,645 Shares held | 2/18/2026 | View profile |
| V. Bryan Lawlis Director | ▲ Buy | Open Market | 13,300 Shares held | 5/9/2025 | View profile |
| John A. Scarlett Chairman, President and CEO | ▲ Buy | Open Market | 12,500 Shares held | 2/27/2025 | View profile |
| Aggarwal Gaurav Director | ▲ Buy | Grant | 1,970 Shares held | 12/29/2023 | View profile |
| Andrew J. Grethlein EVP, Chief Operating Officer | ▼ Sell | Open Market | 0 Shares held | 7/8/2024 | View profile |
| Anil Kapur Director | ▼ Sell | Open Market | 0 Shares held | 6/10/2024 | View profile |
| Feller Faye EVP, Chief Medical Officer | ▼ Sell | Open Market | 0 Shares held | 6/10/2024 | View profile |
Transaction History
| Robert J. Spiegel | ▲ Buy | Grant | 6,103 | $8K | 6/30/2026 |
| Robert J. Spiegel | ▲ Buy | Grant | 5,243 | $8K | 3/31/2026 |
| Michelle Robertson | ▲ Buy | Option Exercise | 27,500 | $0 | 2/18/2026 |
| Michelle Robertson | ▼ Sell | Open Market | 9,855 | $19K | 2/18/2026 |
| Robert J. Spiegel | ▲ Buy | Grant | 5,918 | $8K | 12/31/2025 |
| Robert J. Spiegel | ▲ Buy | Grant | 5,702 | $8K | 9/30/2025 |
| Robert J. Spiegel | ▲ Buy | Grant | 5,540 | $8K | 6/30/2025 |
| V. Bryan Lawlis | ▲ Buy | Open Market | 13,300 | $16K | 5/9/2025 |
| Robert J. Spiegel | ▲ Buy | Grant | 4,913 | $8K | 3/31/2025 |
| Scott Alan Samuels | ▲ Buy | Open Market | 15,000 | $24K | 2/27/2025 |
| John A. Scarlett | ▲ Buy | Open Market | 12,500 | $22K | 2/27/2025 |
| James Ziegler | ▲ Buy | Open Market | 100,000 | $160K | 2/27/2025 |
| Robert J. Spiegel | ▲ Buy | Grant | 2,206 | $0 | 12/31/2024 |
| Robert J. Spiegel | ▲ Buy | Grant | 1,767 | $0 | 9/30/2024 |
| Andrew J. Grethlein | ▲ Buy | Option Exercise | 674,348 | $1.2M | 7/8/2024 |
| Andrew J. Grethlein | ▼ Sell | Open Market | 674,348 | $3.1M | 7/8/2024 |
| Robert J. Spiegel | ▲ Buy | Grant | 1,916 | $0 | 6/28/2024 |
| Feller Faye | ▲ Buy | Option Exercise | 20,000 | $21K | 6/10/2024 |
| Feller Faye | ▲ Buy | Option Exercise | 155,400 | $201K | 6/10/2024 |
| Feller Faye | ▼ Sell | Open Market | 287,900 | $1.3M | 6/10/2024 |
| Anil Kapur | ▲ Buy | Option Exercise | 421,875 | $447K | 6/10/2024 |
| Anil Kapur | ▼ Sell | Open Market | 421,875 | $2.0M | 6/10/2024 |
| Feller Faye | ▲ Buy | Option Exercise | 112,500 | $119K | 6/10/2024 |
| John A. Scarlett | ▲ Buy | Option Exercise | 600,000 | $1.5M | 6/4/2024 |
| John A. Scarlett | ▼ Sell | Open Market | 600,000 | $2.4M | 6/4/2024 |
| V. Bryan Lawlis | ▲ Buy | Option Exercise | 35,000 | $68K | 5/15/2024 |
| V. Bryan Lawlis | ▼ Sell | Open Market | 35,000 | $131K | 5/15/2024 |
| Robert J. Spiegel | ▲ Buy | Grant | 2,462 | $0 | 3/29/2024 |
| Molineaux Susan | ▲ Buy | Grant | 6,220 | $0 | 12/29/2023 |
| Aggarwal Gaurav | ▲ Buy | Grant | 1,970 | $0 | 12/29/2023 |
| Robert J. Spiegel | ▲ Buy | Grant | 3,406 | $0 | 12/29/2023 |
| Molineaux Susan | ▲ Buy | Grant | 6,191 | $0 | 9/29/2023 |
| Robert J. Spiegel | ▲ Buy | Grant | 3,390 | $0 | 9/29/2023 |
| Elizabeth G. O'Farrell | ▲ Buy | Open Market | 6,607 | $15K | 8/24/2023 |
| Elizabeth G. O'Farrell | ▲ Buy | Open Market | 6,579 | $15K | 8/24/2023 |
| Molineaux Susan | ▲ Buy | Grant | 4,088 | $0 | 6/30/2023 |
| Robert J. Spiegel | ▲ Buy | Grant | 2,239 | $0 | 6/30/2023 |
| Anil Kapur | ▲ Buy | Grant | 7,567 | $15K | 6/30/2023 |
| V. Bryan Lawlis | ▲ Buy | Option Exercise | 35,000 | $39K | 5/11/2023 |
| V. Bryan Lawlis | ▼ Sell | Open Market | 35,000 | $105K | 5/11/2023 |
| Molineaux Susan | ▲ Buy | Option Exercise | 35,000 | $39K | 5/1/2023 |
| Molineaux Susan | ▼ Sell | Open Market | 35,000 | $87K | 5/1/2023 |
| Molineaux Susan | ▲ Buy | Grant | 6,048 | $0 | 3/31/2023 |
| Robert J. Spiegel | ▲ Buy | Grant | 3,312 | $0 | 3/31/2023 |
| John A. Scarlett | ▲ Buy | Option Exercise | 446,668 | $670K | 2/10/2023 |
| John A. Scarlett | ▼ Sell | Open Market | 446,668 | $1.3M | 2/10/2023 |
| Andrew J. Grethlein | ▲ Buy | Option Exercise | 150,000 | $227K | 2/9/2023 |
| Andrew J. Grethlein | ▼ Sell | Open Market | 150,000 | $454K | 2/9/2023 |
| Andrew J. Grethlein | ▼ Sell | Open Market | 234,719 | $711K | 2/9/2023 |
| John A. Scarlett | ▲ Buy | Option Exercise | 446,666 | $670K | 2/9/2023 |
| John A. Scarlett | ▼ Sell | Open Market | 446,666 | $1.4M | 2/9/2023 |
| Bloom Olivia Kyusuk | ▲ Buy | Option Exercise | 400,000 | $604K | 2/8/2023 |
| Bloom Olivia Kyusuk | ▼ Sell | Open Market | 400,000 | $1.2M | 2/8/2023 |
| John A. Scarlett | ▲ Buy | Option Exercise | 446,666 | $670K | 2/8/2023 |
| John A. Scarlett | ▼ Sell | Open Market | 446,666 | $1.4M | 2/8/2023 |
| Karin Eastham | ▲ Buy | Option Exercise | 35,000 | $39K | 1/13/2023 |
| Anil Kapur | ▲ Buy | Grant | 6,021 | $7K | 12/30/2022 |
| Robert J. Spiegel | ▲ Buy | Grant | 2,970 | $0 | 12/30/2022 |
| Robert J. Spiegel | ▲ Buy | Grant | 3,071 | $0 | 9/30/2022 |
| Andrew J. Grethlein | ▲ Buy | Option Exercise | 2,000 | $3K | 9/12/2022 |
| Andrew J. Grethlein | ▲ Buy | Option Exercise | 232,719 | $396K | 9/12/2022 |
| Anil Kapur | ▲ Buy | Grant | 13,062 | $14K | 6/30/2022 |
| Robert J. Spiegel | ▲ Buy | Grant | 4,637 | $0 | 6/30/2022 |
| Karin Eastham | ▲ Buy | Option Exercise | 35,000 | $49K | 4/20/2022 |
| Robert J. Spiegel | ▲ Buy | Grant | 5,284 | $0 | 3/31/2022 |
| Robert J. Spiegel | ▲ Buy | Grant | 5,891 | $0 | 12/31/2021 |
| Robert J. Spiegel | ▲ Buy | Grant | 5,246 | $0 | 9/30/2021 |