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| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For AMPH | |||||
| 2026-08-11 | Prins, Richard K | Director | Sold | 7973 | $20.30 |
| 2026-08-07 | Peters, William J | Director, CFO, EVP & TREASURER | Sold | 8180 | $22.48 |
| 2026-08-07 | Peters, William J | Director, CFO, EVP & TREASURER | Purchased | 5053 | $19.79 |
| 2026-08-07 | Peters, William J | Director, CFO, EVP & TREASURER | Sold | 5053 | $0.00 |
| 2026-07-09 | Pierce, Anthony T | Director | Purchased | 7886 | $0.00 |
| 2026-07-09 | Pierce, Anthony T | Director | Purchased | 16646 | $0.00 |
| 2026-06-02 | Lee, Howard | Director | Sold | 769 | $18.45 |
| 2026-06-01 | Gerst, Diane G. | Director | Purchased | 17365 | $0.00 |
| 2026-06-01 | Gerst, Diane G. | Director | Purchased | 8143 | $0.00 |
| 2026-06-01 | Zasloff, Michael A | Director | Purchased | 17365 | $0.00 |
| 2026-06-01 | Zasloff, Michael A | Director | Purchased | 8143 | $0.00 |
| 2026-06-01 | Lee, Howard | Director | Purchased | 17365 | $0.00 |
| 2026-06-01 | Deflin, Gayle | Director | Purchased | 17365 | $0.00 |
| 2026-06-01 | Prins, Richard K | Director | Purchased | 17365 | $0.00 |
| 2026-06-01 | Prins, Richard K | Director | Purchased | 8143 | $0.00 |
| 2026-06-01 | Lee, Howard | Director | Purchased | 8143 | $0.00 |
| 2026-06-01 | Deflin, Gayle | Director | Purchased | 8143 | $0.00 |
| 2026-06-01 | Gaugh, David Russell | Director | Purchased | 17365 | $0.00 |
| 2026-06-01 | Gaugh, David Russell | Director | Purchased | 8143 | $0.00 |
| 2026-03-15 | Zhang, Jack Y. | Director, CEO & CHIEF SCIENTIFIC OFFICER, 10% Owner | Sold | 9784 | $18.18 |
