| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PLAB | COMMON STOCK | Sale | -$21,000 | -1,500 | -1.52% | $14 | 97,379 | 25 Aug 2021 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The transaction reported on this Form 4 was effected pursuant to a 10b5-1 trading plan adopted by Mr. Tyson. |