| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PLAB | COMMON STOCK | Options Exercise | $31,600 | +5,000 | +4.2% | $6.32 | 122,951 | 15 Sep 2021 | Direct | F1 |
| transaction | PLAB | COMMON STOCK | Sale | $69,550 | -5,000 | -4.1% | $13.91 | 117,951 | 15 Sep 2021 | Direct | F2, F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PLAB | Stock Options (Right to Buy) | Options Exercise | $0 | -5,000 | -100% | $0.000000* | 0 | 15 Sep 2021 | COMMON STOCK | 5,000 | $6.32 | Direct |
| Id | Content |
|---|---|
| F1 | The transaction reported on this Form 4 reflects the exercise of incentive stock options set to expire. |
| F2 | Net proceeds of sale to fund children's education. |
| F3 | The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan adopted by Ms. Burr. |