| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPH | Common Stock | Options Exercise | $79,310 | +7,000 | +5.9% | $11.33 | 125,469 | 12 Dec 2024 | Direct | F1 |
| transaction | AMPH | Common Stock | Sale | $310,975 | -7,000 | -5.6% | $44.42 | 118,469 | 12 Dec 2024 | Direct | |
| transaction | AMPH | Common Stock | Options Exercise | $90,640 | +8,000 | +6.8% | $11.33 | 126,469 | 13 Dec 2024 | Direct | |
| transaction | AMPH | Common Stock | Sale | $361,840 | -8,000 | -6.3% | $45.23 | 118,469 | 13 Dec 2024 | Direct | |
| holding | AMPH | Common Stock | 99,668 | 12 Dec 2024 | See footnote | F2 | |||||
| holding | AMPH | Common Stock | 5,000 | 12 Dec 2024 | See footnote | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPH | Employee Stock Option (right to buy) | Options Exercise | $0 | -7,000 | -28% | $0.000000 | 17,787 | 12 Dec 2024 | Common Stock | 7,000 | $11.33 | Direct | F4 |
| transaction | AMPH | Employee Stock Option (right to buy) | Options Exercise | $0 | -8,000 | -45% | $0.000000 | 9,787 | 13 Dec 2024 | Common Stock | 8,000 | $11.33 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | Includes 81 shares acquired under the Issuer's 2014 Employee Stock Purchase Plan on November 30, 2024. |
| F2 | The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee. |
| F3 | The shares are held of record by the reporting person's spouse. |
| F4 | Shares subject to the option are fully vested and immediately exercisable. |