Photronics Inc is a U.S.-based company principally engaged in the manufacturing of photomasks, which are high-precision photographic quartz or glass plates containing microscopic images of electronic circuits. Photomasks are a key element in the manufacture of integrated circuits (ICs) and flat-panel displays (FPDs) and are used as masters to transfer circuit patterns onto semiconductor wafers and FPD substrates during fabrication, as well as to a lesser extent, other types of electrical and optical components. The Company has manufacturing facilities in Taiwan, China, South Korea, the United States, and Europe, and generates revenue globally, with Taiwan contributing the majority of total revenue.
No Form 4 activity for PLAB in the last 90 days.
82 Form 4 filings on record, the earliest from Oct 3, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Tax withholding / forfeiture | COMMON STOCK | 1,959 | $0.00 | - | ||
| Han Kyung Park - Officer | Open-market sale | COMMON STOCK | 15,000 | $22.00 | $330K | |
| Open-market sale | Common Stock | 10,000 | $21.93 | $219K | ||
| Open-market sale | COMMON STOCK | 8,750 | $23.20 | $203K | ||
| Open-market sale | Common Stock | 10,000 | $21.07 | $211K | ||
| Mitchell G. Tyson | Open-market sale | COMMON STOCK | 15,000 | $19.97 | $300K | |
| George Macricostas - Officer | Grant or award | COMMON STOCK | 109,830 | $0.00 | - | |
| Constantine S. Macricostas | Open-market sale | COMMON STOCK | 29,500 | $20.20 | $596K | |
| Mitchell G. Tyson | Gift | COMMON STOCK | 2,000 | $0.00 | - | |
| Walter M. Fiederowicz | Open-market sale | COMMON STOCK | 7,548 | $17.87 | $135K | |
| Walter M. Fiederowicz | Open-market sale | COMMON STOCK | 5,000 | $17.79 | $89K | |
| Walter M. Fiederowicz | Open-market sale | COMMON STOCK | 7,000 | $18.88 | $132K | |
| Walter M. Fiederowicz | Open-market sale | COMMON STOCK | 5,000 | $19.16 | $96K | |
| Han Kyung Park - Officer | Open-market sale | COMMON STOCK | 11,250 | $23.80 | $268K | |
| Open-market sale | COMMON STOCK | 17,500 | $24.00 | $420K | ||
| Walter M. Fiederowicz | Open-market sale | COMMON STOCK | 10,000 | $24.01 | $240K | |
| Walter M. Fiederowicz | Gift | COMMON STOCK | 8,000 | $24.27 | $194K | |
| Open-market sale | COMMON STOCK | 8,750 | $24.33 | $213K | ||
| Adam M. Lewis | Open-market sale | COMMON STOCK | 19,750 | $24.11 | $476K | |
| Option exercise | Common Stock | 19,134 | $12.13 | $232K | ||
| Open-market sale | Common Stock | 19,134 | $24.83 | $475K | ||
| Option exercise | Common Stock | 13,866 | $12.13 | $168K | ||
| Open-market sale | Common Stock | 13,866 | $24.90 | $345K | ||
| Option exercise | Common Stock | 3,750 | $11.35 | $43K | ||
| Open-market sale | Common Stock | 3,750 | $24.86 | $93K | ||
| Option exercise | Common Stock | 7,500 | $8.60 | $65K | ||
| Open-market sale | Common Stock | 7,500 | $24.81 | $186K | ||
| Option exercise | Common Stock | 11,250 | $11.35 | $128K | ||
| Open-market sale | Common Stock | 11,250 | $24.87 | $280K | ||
| Option exercise | Common Stock | 7,500 | $8.60 | $65K | ||
| Open-market sale | Common Stock | 7,500 | $24.81 | $186K | ||
| Option exercise | Stock Options (Right to Buy) | 19,134 | $0.00 | - | ||
| Option exercise | Non-Qualified Stock Options (Right to Buy) | 13,866 | $0.00 | - | ||
| Option exercise | Stock Options (Right to Buy) | 3,750 | $0.00 | - | ||
| Option exercise | Stock Options (Right to Buy) | 7,500 | $0.00 | - | ||
| Option exercise | Non-Qualified Stock Options (Right to Buy) | 11,250 | $0.00 | - | ||
| Option exercise | Non-Qualified Stock Options (Right to Buy) | 7,500 | $0.00 | - | ||
| Open-market sale | COMMON STOCK | 10,000 | $25.29 | $253K | ||
| Open-market sale | COMMON STOCK | 10,000 | $25.25 | $253K | ||
| Option exercise | COMMON STOCK | 30,000 | $8.23 | $247K | ||
| Option exercise | Non-qualified Stock Option | 30,000 | $0.00 | - | ||
| Mitchell G. Tyson | Open-market sale | COMMON STOCK | 20,000 | $25.06 | $501K | |
| Walter M. Fiederowicz | Gift | COMMON STOCK | 2,000 | $32.01 | $64K | |
| Grant or award | COMMON STOCK | 25,000 | $0.00 | - |
This is as far as the anonymous view goes. Create a free account for all 82 PLAB filings on record.
PHOTRONICS INC (PLAB) has filed no insider reports in the last 90 days. The most recent on record is dated 2026-04-22. The full record for PLAB runs to 82 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of PLAB were filed in the last 90 days.
No insider sales of PLAB were filed in the last 90 days. 73 sales are on record for this company.
This page tracks PLAB Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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