PHOTRONICS INC (PLAB)
Data as of , from SEC Form 4 filings.
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Kang Jyh Lee - DirectorOpen-market sale$308K- Han Kyung Park
About PHOTRONICS INC (PLAB)
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.
- BROOKFIELD, CT
- 1,908
- 1987
- XNAS
PLAB Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 4 | 37,000 | $1.11M |
| Tax withholding / forfeiture | 2 | 3,289 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
PLAB insider transactions (Form 4)
5088 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 |
|---|---|---|---|---|---|---|
 Christopher J. Progler - Officer | Open-market sale | Common Stock | 25,000 | $35.78 footnote F1 | $895K | |
| ||||||
| Mitchell G. Tyson | Open-market sale | COMMON STOCK | 5,000 | $36.17 | $181K | |
| Christopher J. Progler - Officer | Open-market sale | Common Stock | 10,000 | $22.52 footnote F1 | $225K | |
| ||||||
| Mitchell G. Tyson | Open-market sale | COMMON STOCK | 5,000 | $25.04 | $125K | |
| Kang Jyh Lee | Open-market sale | COMMON STOCK | 10,000 | $25.33 footnote F1 | $253K | |
| ||||||
 Mary Paladino | Open-market sale | COMMON STOCK | 42,750 | $24.00 | $1.03M | |
 Eric Rivera - Officer | Tax withholding / forfeiture | COMMON STOCK | 1,959 footnote F1 | $0.00 | - | |
| ||||||
| Han Kyung Park - Officer | Open-market sale | COMMON STOCK | 15,000 | $22.00 | $330K | |
| Christopher J. Progler - Officer | Open-market sale | Common Stock | 10,000 | $21.93 | $219K | |
| Kang Jyh Lee | Open-market sale | COMMON STOCK | 8,750 | $23.20 | $203K | |
| Christopher J. Progler - Officer | 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 | |
| Kang Jyh Lee - Officer | 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 | |
| Adam M. Lewis | Open-market sale | COMMON STOCK | 19,750 | $24.11 | $476K | |
| Kang Jyh Lee - Officer | Open-market sale | COMMON STOCK | 8,750 | $24.33 | $213K | |
| Kang Jyh Lee - Officer | Open-market sale | COMMON STOCK | 10,000 | $25.29 | $253K | |
| Kang Jyh Lee - Officer | Open-market sale | COMMON STOCK | 10,000 | $25.25 | $253K | |
| Kang Jyh Lee - Officer | Option exercise | COMMON STOCK | 30,000 | $8.23 | $247K | |
| Kang Jyh Lee - Officer | Option exercise | Non-qualified Stock Option | 30,000 | $0.00 | - | |
| Christopher J. Progler - Officer | Option exercise | Common Stock | 19,134 | $12.13 | $232K | |
| Christopher J. Progler - Officer | Open-market sale | Common Stock | 19,134 | $24.83 | $475K | |
| Christopher J. Progler - Officer | Option exercise | Common Stock | 13,866 | $12.13 | $168K | |
| Christopher J. Progler - Officer | Open-market sale | Common Stock | 13,866 | $24.90 | $345K | |
| Christopher J. Progler - Officer | Option exercise | Common Stock | 3,750 | $11.35 | $43K | |
| Christopher J. Progler - Officer | Open-market sale | Common Stock | 3,750 | $24.86 | $93K | |
| Christopher J. Progler - Officer | Option exercise | Common Stock | 7,500 | $8.60 | $65K | |
| Christopher J. Progler - Officer | Open-market sale | Common Stock | 7,500 | $24.81 | $186K | |
| Christopher J. Progler - Officer | Option exercise | Common Stock | 11,250 | $11.35 | $128K | |
| Christopher J. Progler - Officer | Open-market sale | Common Stock | 11,250 | $24.87 | $280K | |
| Christopher J. Progler - Officer | Option exercise | Common Stock | 7,500 | $8.60 | $65K | |
| Christopher J. Progler - Officer | Open-market sale | Common Stock | 7,500 | $24.81 | $186K | |
| Christopher J. Progler - Officer | Option exercise | Stock Options (Right to Buy) | 19,134 | $0.00 | - | |
| Christopher J. Progler - Officer | Option exercise | Non-Qualified Stock Options (Right to Buy) | 13,866 | $0.00 | - | |
| Christopher J. Progler - Officer | Option exercise | Stock Options (Right to Buy) | 3,750 | $0.00 | - | |
| Christopher J. Progler - Officer | Option exercise | Stock Options (Right to Buy) | 7,500 | $0.00 | - | |
| Christopher J. Progler - Officer | Option exercise | Non-Qualified Stock Options (Right to Buy) | 11,250 | $0.00 | - | |
| Christopher J. Progler - Officer | Option exercise | Non-Qualified Stock Options (Right to Buy) | 7,500 | $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 | |
| Eric Rivera - Officer | Grant or award | COMMON STOCK | 25,000 | $0.00 | - | |
Recent PLAB Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Lee Kang Jyh | Officer, Director | 10,000 | $308K | View on EDGAR | |
| Park Han Kyung | Officer | 9,500 |
PLAB insider trading FAQ
What is the latest insider trade for PLAB?
PHOTRONICS INC (PLAB) had 6 insider filings in the last 90 days, with the most recent on 2026-10-03. The full record for PLAB runs to 88 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying PLAB stock?
No insider purchases of PLAB were filed in the last 90 days.
How many insiders are selling PLAB stock?
4 insider sales of PLAB were filed in the last 90 days, totaling $1.11M.
Where can I see PLAB SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects PLAB Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Eric Rivera view on EDGAR
- - Rui Zhang view on EDGAR
- - Kang Jyh Lee view on EDGAR
- - Han Kyung Park view on EDGAR
- - Kang Jyh Lee view on EDGAR
- - Kang Jyh Lee view on EDGAR
- - Rui Zhang view on EDGAR
- - Mary Paladino view on EDGAR
- - Kang Jyh Lee view on EDGAR
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Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where PLAB's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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