16 insiders reported 109 Form 4 transactions for PHOTRONICS INC (PLAB) over the past 18 months (most recent 2026-04-21). Recent activity: ZHANG RUI (VP, CAO & Corporate Controller) Sell 4,556 shares, Paladino Mary (Director) Sell 22,548 shares, Lee Kang Jyh (Director) Sell 10,000 shares, Lee Kang Jyh (Director) Sell 10,000 shares, Lee Kang Jyh (Director) Sell 10,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-21 | ZHANG RUI | VP, CAO & Corporate Controller | Sell | 4,556 | $212,765 |
| 2026-04-21 | Paladino Mary | Director | Sell | 22,548 | $1.1M |
| 2026-04-20 | Lee Kang Jyh | Director | Sell | 10,000 | $460,500 |
| 2026-04-20 | Lee Kang Jyh | Director | Sell | 10,000 | $458,000 |
| 2026-04-17 | Lee Kang Jyh | Director | Sell | 10,000 | $451,000 |
| 2026-04-16 | Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell | 19,250 | $872,025 |
| 2026-04-15 | TYSON MITCHELL G | Director | Buy | 3,722 | $0 |
| 2026-04-15 | Almeida Michelle | Director | Buy | 3,722 | $0 |
| 2026-04-15 | Garcia David A. | Director | Buy | 3,722 | $0 |
| 2026-04-15 | Rivera Eric | President, CFO | Buy | 1,000 | $9,780 |
| 2026-04-15 | LEWIS ADAM M | Director | Buy | 3,722 | $0 |
| 2026-04-15 | Liao Daniel JL | Director | Buy | 3,722 | $0 |
| 2026-04-15 | Lee Kang Jyh | Director | Buy | 5,000 | $43,000 |
| 2026-04-15 | MACRICOSTAS CONSTANTINE S | Director | Buy | 3,722 | $0 |
| 2026-04-15 | Rivera Eric | President, CFO | Sell | 1,000 | $44,770 |
| 2026-04-15 | Lee Kang Jyh | Director | Sell | 5,000 | $225,000 |
| 2026-04-14 | MACRICOSTAS CONSTANTINE S | Director | Sell | 50,000 | $2.3M |
| 2026-04-14 | MACRICOSTAS CONSTANTINE S | Director | Sell | 13,000 | $0 |
| 2026-04-14 | MACRICOSTAS CONSTANTINE S | Director | Sell | 37,000 | $0 |
| 2026-04-13 | Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell | 11,875 | $525,469 |
| 2026-04-13 | Rivera Eric | President, CFO | Sell | 882 | $38,808 |
| 2026-04-13 | Lee Kang Jyh | Director | Buy | 5,000 | $43,000 |
| 2026-04-13 | Rivera Eric | President, CFO | Sell | 40,635 | $1.8M |
| 2026-04-13 | Lee Kang Jyh | Director | Sell | 5,000 | $220,000 |
| 2026-04-10 | ZHANG RUI | VP, CAO & Corporate Controller | Sell | 1,752 | $76,212 |
Source: SEC Form 4 filings · as of 2026-04-21