| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPE | Common Stock | Options Exercise | $2,695 | +6,737 | +3.3% | $0.4000 | 210,237 | 21 May 2021 | Direct | F1 |
| transaction | AMPE | Common Stock | Sale | $13,474 | -6,737 | -3.2% | $2.00* | 203,500 | 21 May 2021 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPE | Stock Option (Right to Buy) | Options Exercise | $0 | -6,737 | -100% | $0.000000* | 0 | 21 May 2021 | Common Stock | 6,737 | $0.4000 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | The option exercise reported on this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted by the reporting person on March 30, 2021. |
| F2 | Options were granted and previously reported on a Form 4 filed on January 9, 2019, where the stock option vested and became exercisable in 12 equal monthly installments from the date of grant of December 15, 2018. |