ZHANG RUI (CIK 2107725) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-21). Recent activity: Sell PLAB (4,556 shares), Sell PLAB (1,752 shares), Buy PLAB (1,467 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-21 | PHOTRONICS INC (PLAB) | VP, CAO & Corporate Controller | Sell | 4,556 | $212,765 |
| 2026-04-10 | PHOTRONICS INC (PLAB) | VP, CAO & Corporate Controller | Sell | 1,752 | $76,212 |
| 2026-02-11 | PHOTRONICS INC (PLAB) | VP, CAO & Corporate Controller | Buy | 1,467 | $0 |
Source: SEC Form 4 filings · as of 2026-04-21