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| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For GERN | |||||
| 2026-03-31 | Spiegel, Robert J. | Director | Purchased | 5243 | $1.49 |
| 2026-03-25 | Chinoporos, Constantine | Director | Purchased | 270000 | $0.00 |
| 2026-03-25 | Andrews, Patricia S | Director | Purchased | 270000 | $0.00 |
| 2026-02-18 | Robertson, Michelle | EVP, CHIEF FINANCIAL OFFICER | Purchased | 27500 | $0.00 |
| 2026-02-18 | Robertson, Michelle | EVP, CHIEF FINANCIAL OFFICER | Sold | 27500 | $0.00 |
| 2026-02-18 | Robertson, Michelle | EVP, CHIEF FINANCIAL OFFICER | Sold | 9855 | $1.94 |
| 2026-02-17 | Robertson, Michelle | EVP, CHIEF FINANCIAL OFFICER | Purchased | 1660000 | $0.00 |
| 2026-02-17 | Eid, Joseph | EVP, R&D; Chief Medical Office | Purchased | 2220000 | $0.00 |
| 2025-12-31 | Spiegel, Robert J. | Director | Purchased | 5918 | $1.32 |
| 2025-10-20 | Elnawawi, Ahmed | EVP, Chief Commercial Officer | Purchased | 3000000 | $0.00 |
| 2025-09-30 | Spiegel, Robert J. | Director | Purchased | 5702 | $1.37 |
| 2025-08-07 | Semerjian, Harout | Director, President and CEO | Purchased | 4000000 | $0.00 |
| 2025-08-07 | Semerjian, Harout | Director, President and CEO | Purchased | 7000000 | $0.00 |
| 2025-06-30 | Spiegel, Robert J. | Director | Purchased | 5540 | $1.41 |
| 2025-05-21 | Aggarwal, Gaurav | Director | Purchased | 180000 | $0.00 |
| 2025-05-21 | Bir, Dawn Carter | Director, Interim President and CEO | Purchased | 180000 | $0.00 |
| 2025-05-21 | Lawlis, V Bryan | Director | Purchased | 180000 | $0.00 |
| 2025-05-21 | Mcdonald, John F | Director | Purchased | 180000 | $0.00 |
| 2025-05-21 | Molineaux, Susan | Director | Purchased | 180000 | $0.00 |
| 2025-05-21 | O'farrell, Elizabeth G. | Director | Purchased | 180000 | $0.00 |
