Insider Transactions For AMPH |
| 2025-12-17 | Zhou, Rong | SENIOR EVP, PRODUCTION CENTER | Purchased | 9787 | $11.33 |
| 2025-12-17 | Zhou, Rong | SENIOR EVP, PRODUCTION CENTER | Sold | 9787 | $0.00 |
| 2025-12-17 | Zhou, Rong | SENIOR EVP, PRODUCTION CENTER | Sold | 9787 | $26.20 |
| 2025-12-12 | Petersen, Floyd F. | Director | Sold | 2426 | $25.92 |
| 2025-12-11 | Petersen, Floyd F. | Director | Sold | 1737 | $25.69 |
| 2025-11-25 | Prins, Richard K | Director | Purchased | 4179 | $16.69 |
| 2025-11-25 | Prins, Richard K | Director | Sold | 4179 | $27.10 |
| 2025-11-25 | Prins, Richard K | Director | Sold | 4179 | $0.00 |
| 2025-11-13 | Petersen, Floyd F. | Director | Purchased | 16679 | $16.69 |
| 2025-11-13 | Petersen, Floyd F. | Director | Sold | 16679 | $26.49 |
| 2025-11-13 | Petersen, Floyd F. | Director | Sold | 16679 | $0.00 |
| 2025-11-03 | Petersen, Floyd F. | Director | Sold | 500 | $25.27 |
| 2025-10-01 | Petersen, Floyd F. | Director | Sold | 500 | $27.20 |
| 2025-09-02 | Petersen, Floyd F. | Director | Sold | 500 | $30.98 |
| 2025-08-01 | Petersen, Floyd F. | Director | Sold | 500 | $20.83 |
| 2025-07-18 | Gaugh, David Russell | Director | Purchased | 6304 | $0.00 |
| 2025-07-18 | Gaugh, David Russell | Director | Purchased | 13987 | $0.00 |
| 2025-07-02 | Petersen, Floyd F. | Director | Sold | 500 | $23.47 |
| 2025-06-13 | Zhang, Jack Y. | Director, CEO & CHIEF SCIENTIFIC OFFICER, 10% Owner | Sold | 200000 | $0.00 |
| 2025-06-13 | Zhang, Jack Y. | Director, CEO & CHIEF SCIENTIFIC OFFICER, 10% Owner | Purchased | 200000 | $13.03 |