PLAB
PHOTRONICS INC · Technology · Market cap $1.6B
Insiders sold $1.1M net in the last 90 days ·2 sellers, 0 buyers· latest Form 4 filed Oct 2, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$24.2M
reported sales (SEC code S)
Unique Insiders
10
in the rolling window
Latest filing
Oct 3, 2026
Lee Kang Jyh
PHOTRONICS INC (PLAB) has 64 SEC Form 4 filings (88 transaction rows) in the rolling window, disclosed by 10 distinct insiders. Most recent filing: Oct 3, 2026.
Inside the rolling window, 10 insiders at PHOTRONICS INC reported no open-market purchases and 44 open-market sales totaling $24.2M. The most active filer is Director Lee Kang Jyh with 24 filings. Insiders have net sold $14.8M over the trailing 6 months. The most recent open-market filing is a sale of 10,000 shares by Director Lee Kang Jyh, dated Sep 29, 2026, worth $308K.
- Industry:Semiconductors
- CEO:George C. Macricostas
- Employees:1,908
- HQ:Brookfield, CT, US
- IPO:1987-03-10
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Sale | 10,000 | $308K | Oct 2 | -11.4% | SEC ↗ | |
Park Han KyungFirst in 8 months | SVP & GM of FPD Ops | Sale | 9,500 | $289K | Sep 30 | -9.4% | SEC ↗ |
| Director | Sale | 7,500 | $221K | Sep 29 | -10.2% | SEC ↗ | |
Lee Kang JyhFirst in 5 months | Director | Sale | 10,000 | $297K | Sep 25 | -8.2% | SEC ↗ |
| VP, CAO & Corporate Controller | Sale | 4,556 | $213K | Apr 21 | -43.7% | SEC ↗ | |
| Director | Sale | 20,000 | $919K | Apr 20 | -43.4% | SEC ↗ | |
| Director | Sale | 10,000 | $451K | Apr 17 | -42.3% | SEC ↗ | |
| SVP/COO IC & US/EU Mnstrm Ops | Sale | 19,250 | $872K | Apr 16 | -39.1% | SEC ↗ | |
| President, CFO | Sale | 1,000 | $45K | Apr 15 | -39.2% | SEC ↗ | |
| Director | Sale | 5,000 | $225K | Apr 15 | — | SEC ↗ | |
MACRICOSTAS CONSTANTINE SFirst filing | Director | Sale | 50,000 | $2.3M | Apr 14 | — | SEC ↗ |
| Director | Sale | 5,000 | $220K | Apr 13 | — | SEC ↗ | |
Rivera EricFirst filing | President, CFO | Sale | 41,517 | $1.8M | Apr 13 | — | SEC ↗ |
| SVP/COO IC & US/EU Mnstrm Ops | Sale | 11,875 | $525K | Apr 13 | — | SEC ↗ | |
MACRICOSTAS GEORGEFirst filing | CEO | Sale | 121,194 | $5.2M | Apr 10 | — | SEC ↗ |
| Director | Sale | 5,000 | $216K | Apr 10 | — | SEC ↗ | |
ZHANG RUIFirst filing | VP, CAO & Corporate Controller | Sale | 1,752 | $76K | Apr 10 | — | SEC ↗ |
| SVP/COO IC & US/EU Mnstrm Ops | Sale | 10,000 | $427K | Apr 10 | — | SEC ↗ | |
| Director | Sale | 5,000 | $203K | Apr 8 | — | SEC ↗ | |
| Director | Sale | 5,000 | $210K | Apr 3 | — | SEC ↗ | |
Wang Hsueh-ChunFirst filing | SVP/COO IC & US/EU Mnstrm Ops | Sale | 10,000 | $421K | Apr 3 | — | SEC ↗ |
| Director | Sale | 10,000 | $423K | Apr 3 | — | SEC ↗ | |
| Director | Sale | 5,000 | $204K | Mar 30 | — | SEC ↗ | |
| Director | Sale | 10,000 | $390K | Mar 25 | — | SEC ↗ | |
| Director | Sale | 10,000 | $358K | Mar 24 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does PLAB have?
PHOTRONICS INC (PLAB) has 64 SEC Form 4 filings (88 transaction rows) in the rolling 365-day window, disclosed by 10 distinct insiders. Most recent filing: Oct 3, 2026.
When was the most recent SEC Form 4 filing for PLAB?
The most recent Form 4 filing for PLAB on Tracefour is dated Oct 3, 2026.
Who is the most active insider at PLAB?
The most active SEC Form 4 filer at PLAB in the rolling window is Director Lee Kang Jyh, with 24 filings.
What is the net insider flow at PLAB over the last 6 months?
Over the trailing 180 days, insiders at PLAB have net sold $14.8M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at PLAB in the current window?
Inside the rolling window, insiders at PLAB bought $0 and sold $24.2M based on SEC Form 4 filings.
Can I get alerts for PLAB insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at PHOTRONICS INC (PLAB). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
PHOTRONICS INC is in the Technology sector.