| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMST | Common Stock | Options Exercise | +14,620 | +6.5% | 240,416 | 31 Mar 2023 | Direct | F1 | ||
| transaction | AMST | Common Stock | Award | +41,322 | +17% | 281,738 | 07 Mar 2025 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMST | Restricted Stock Units | Options Exercise | $0 | -14,620 | -100% | $0.000000 | 0 | 31 Mar 2023 | Common Stock | 14,620 | Direct | F1, F3 | |
| transaction | AMST | Restricted Stock Units | Award | $0 | +41,322 | $0.000000 | 41,322 | 07 Mar 2025 | Common Stock | 41,322 | Direct | F3, F4 |
| Id | Content |
|---|---|
| F1 | The reported restricted stock units were granted on March 31, 2022 and vested on March 31, 2023. |
| F2 | On March 7, 2025, the reporting person was granted 41,322 shares of common stock as compensation for services rendered as a member of the board of directors of the issuer. |
| F3 | Each restricted stock unit ("RSU") represents a contingent right to receive one share of AMST common stock and/or the cash equivalent of such share. |
| F4 | The RSUs fully vest on the first anniversary of the date of grant. |