16 insiders reported 107 Form 4 transactions for PHOTRONICS INC (PLAB) over the past 18 months (most recent 2026-09-24). Recent activity: Lee Kang Jyh (Director) Sell 10,000 shares, 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. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-24 | Lee Kang Jyh | Director | Sell | 10,000 | $297,000 |
| 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 | Rivera Eric | President, CFO | Sell | 1,000 | $44,770 |
| 2026-04-15 | Garcia David A. | Director | Buy | 3,722 | $0 |
| 2026-04-15 | Lee Kang Jyh | Director | Buy | 5,000 | $43,000 |
| 2026-04-15 | Lee Kang Jyh | Director | Sell | 5,000 | $225,000 |
| 2026-04-15 | LEWIS ADAM M | Director | Buy | 3,722 | $0 |
| 2026-04-15 | Rivera Eric | President, CFO | Buy | 1,000 | $9,780 |
| 2026-04-15 | Liao Daniel JL | Director | Buy | 3,722 | $0 |
| 2026-04-15 | MACRICOSTAS CONSTANTINE S | Director | Buy | 3,722 | $0 |
| 2026-04-15 | Almeida Michelle | Director | Buy | 3,722 | $0 |
| 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 | Lee Kang Jyh | Director | Buy | 5,000 | $43,000 |
| 2026-04-13 | Lee Kang Jyh | Director | Sell | 5,000 | $220,000 |
| 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 | Rivera Eric | President, CFO | Sell | 40,635 | $1.8M |
Source: SEC Form 4 filings · as of 2026-09-24