16 insiders reported 127 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 | 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 |
| 2026-04-15 | 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 | Lee Kang Jyh | Director | Buy | 5,000 | $43,000 |
| 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 | Lee Kang Jyh | Director | Sell | 5,000 | $225,000 |
| 2026-04-14 | MACRICOSTAS CONSTANTINE S | Director | Sell | 13,000 | $0 |
| 2026-04-14 | MACRICOSTAS CONSTANTINE S | Director | Sell | 50,000 | $2.3M |
| 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 | Rivera Eric | President, CFO | Sell | 882 | $38,808 |
| 2026-04-13 | Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell | 11,875 | $525,469 |
| 2026-04-13 | Lee Kang Jyh | Director | Sell | 5,000 | $220,000 |
| 2026-04-13 | Rivera Eric | President, CFO | Sell | 40,635 | $1.8M |
| 2026-04-10 | ZHANG RUI | VP, CAO & Corporate Controller | Sell | 1,752 | $76,212 |
Source: SEC Form 4 filings · as of 2026-04-21