PLAB Photronics, Inc.
Photronics, Inc. (PLAB) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 0% planned / 100% discretionary
Largest single sale: $4.7M.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| ZHANG RUI | VP, CAO & Corporate Controller | Sell | 4,556 | $46.70 | $212.8K | 27,079 −14.4% of holding | |
| Lee Kang Jyh 2 fills | Director | Sell | 20,000 | $45.92 | $918.5K | 365,850 −5.2% of holding | |
| Lee Kang Jyh | Director | Sell | 10,000 | $45.10 | $451.0K | 375,850 −2.6% of holding | |
| MACRICOSTAS CONSTANTINE S | Director | Sell | 50,000 | $45.35 | $2.3M | None left | |
| Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell | 19,250 | $45.30 | $872.0K | 113,560 −14.5% of holding | |
| Lee Kang Jyh | Director | Sell | 5,000 | $45.00 | $225.0K | 385,850 −1.3% of holding | |
| Rivera Eric | President, CFO | Sell | 1,000 | $44.77 | $44.8K | 136,173 −0.7% of holding | |
| Rivera Eric 2 fills | President, CFO | Sell | 41,517 | $44.00 | $1.8M | 176,808 −19% of holding | |
| Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell | 11,875 | $44.25 | $525.5K | 132,810 −8.2% of holding | |
| Lee Kang Jyh | Director | Sell | 5,000 | $44.00 | $220.0K | 385,850 −1.3% of holding | |
| MACRICOSTAS GEORGE 3 fills | CEO | Sell | 121,194 | $42.94 | $5.2M | 448,762 −21.3% of holding | |
| Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell | 10,000 | $42.69 | $426.9K | 144,685 −6.5% of holding | |
| Lee Kang Jyh | Director | Sell | 5,000 | $43.27 | $216.4K | 385,850 −1.3% of holding | |
| ZHANG RUI | VP, CAO & Corporate Controller | Sell | 1,752 | $43.50 | $76.2K | 31,635 −5.2% of holding | |
| Lee Kang Jyh | Director | Sell | 5,000 | $40.53 | $202.7K | 385,850 −1.3% of holding | |
| TYSON MITCHELL G | Director | Sell | 10,000 | $42.31 | $423.1K | 33,199 −23.1% of holding | |
| Wang Hsueh-Chun 3 fills | SVP/COO IC & US/EU Mnstrm Ops | Sell | 10,000 | $42.08 | $420.8K | 160,499 −5.9% of holding | |
| Lee Kang Jyh | Director | Sell | 5,000 | $42.00 | $210.0K | 385,850 −1.3% of holding | |
| Lee Kang Jyh | Director | Sell | 5,000 | $40.80 | $204.0K | 385,850 −1.3% of holding | |
| Lee Kang Jyh | Director | Sell | 10,000 | $39.00 | $390.0K | 385,850 −2.5% of holding | |
| Lee Kang Jyh | Director | Sell | 10,000 | $35.80 | $358.0K | 400,850 −2.4% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.