| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPH | Common Stock | Tax liability | $38,345 | -1,354 | -1.2% | $28.32 | 115,994 | 06 Mar 2025 | Direct | F1 |
| holding | AMPH | Common Stock | 99,668 | 06 Mar 2025 | See footnote | F2 | |||||
| holding | AMPH | Common Stock | 5,000 | 06 Mar 2025 | See footnote | F3 |
| Id | Content |
|---|---|
| F1 | The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs. |
| 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. |