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Kang Jyh Lee - DirectorOpen-market sale$308K- Han Kyung Park
About PHOTRONICS INC (PLAB)
PHOTRONICS INC is an SEC registrant, filing under CIK 0000810136, classified as semiconductors and related devices. We track it alongside the rest of the Information Technology sector.
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)
4688 Form 4 filings on record, the earliest from Oct 3, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
 Eric Rivera - Officer | Tax withholding / forfeiture | COMMON STOCK | 2,897 | $30.83 footnote F1 | $89K | |
| ||||||
| Rui Zhang - Officer | Tax withholding / forfeiture | COMMON STOCK | 392 | $30.83 footnote F1 | $12K | |
| ||||||
| Kang Jyh Lee - Director | Open-market sale | COMMON STOCK | 10,000 | $30.75 footnote F1 | $308K | |
| ||||||
| Han Kyung Park - Officer | Open-market sale | COMMON STOCK | 9,500 | $30.37 | $289K | |
| Kang Jyh Lee - Director | Open-market sale | COMMON STOCK | 7,500 | $29.50 | $221K | |
| Kang Jyh Lee - Director | Open-market sale | COMMON STOCK | 10,000 | $29.70 | $297K | |
| Rui Zhang - Officer | Open-market sale | COMMON STOCK | 4,556 | $46.70 | $213K | |
 Mary Paladino | Derivative | COMMON STOCK | 22,548 | $47.77 footnote F1 | $1.08M | |
| ||||||
| Kang Jyh Lee | Open-market sale | COMMON STOCK | 10,000 | $45.80 | $458K | |
| Kang Jyh Lee | Open-market sale | COMMON STOCK | 10,000 | $46.05 footnote F1 | $461K | |
| ||||||
| Kang Jyh Lee | Open-market sale | COMMON STOCK | 10,000 | $45.10 | $451K | |
 Hsueh-Chun Wang - Officer | Open-market sale | COMMON STOCK | 19,250 | $45.30 footnote F1 | $872K | |
| ||||||
| Mitchell G. Tyson | Grant or award | COMMON STOCK | 3,722 footnote F1 | $0.00 | - | |
| ||||||
| David A. Garcia | Grant or award | COMMON STOCK | 3,722 footnote F1 | $0.00 | - | |
| ||||||
| Michelle Almeida | Grant or award | COMMON STOCK | 3,722 footnote F1 | $0.00 | - | |
| ||||||
| Daniel Jl Liao | Grant or award | COMMON STOCK | 3,722 footnote F1 | $0.00 | - | |
| ||||||
| Adam M. Lewis | Grant or award | COMMON STOCK | 3,722 footnote F1 | $0.00 | - | |
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| Constantine S. Macricostas | Grant or award | COMMON STOCK | 3,722 footnote F1 | $0.00 | - | |
| ||||||
| Kang Jyh Lee | Option exercise | COMMON STOCK | 5,000 | $8.60 | $43K | |
| Kang Jyh Lee | Open-market sale | COMMON STOCK | 5,000 | $45.00 | $225K | |
| Kang Jyh Lee | Option exercise | PHOTRONICS STOCK OPTIONS | 5,000 | $0.00 | - | |
| Eric Rivera - Officer | Option exercise | COMMON STOCK | 1,000 | $9.78 | $10K | |
| Eric Rivera - Officer | Open-market sale | COMMON STOCK | 1,000 | $44.77 | $45K | |
| Eric Rivera - Officer | Option exercise | PHOTRONICS STOCK OPTIONS | 1,000 | $0.00 | - | |
| Constantine S. Macricostas | Open-market sale | COMMON STOCK | 50,000 | $45.35 | $2.27M | |
| Hsueh-Chun Wang - Officer | Open-market sale | COMMON STOCK | 11,875 | $44.25 footnote F1 | $525K | |
| ||||||
| Eric Rivera - Officer | Open-market sale | COMMON STOCK | 882 | $44.00 | $39K | |
| Eric Rivera - Officer | Open-market sale | COMMON STOCK | 40,635 | $44.00 | $1.79M | |
| Kang Jyh Lee | Option exercise | COMMON STOCK | 5,000 | $8.60 | $43K | |
| Kang Jyh Lee | Open-market sale | COMMON STOCK | 5,000 | $44.00 | $220K | |
| Kang Jyh Lee | Option exercise | PHOTRONICS STOCK OPTIONS | 5,000 | $0.00 | - | |
| George Macricostas - Officer | Open-market sale | COMMON STOCK | 6,500 | $43.27 | $281K | |
| George Macricostas - Officer | Open-market sale | COMMON STOCK | 5,500 | $43.28 | $238K | |
| George Macricostas - Officer | Open-market sale | COMMON STOCK | 109,194 | $42.90 | $4.68M | |
| Rui Zhang - Officer | Open-market sale | COMMON STOCK | 1,752 | $43.50 | $76K | |
| Hsueh-Chun Wang - Officer | Open-market sale | COMMON STOCK | 10,000 | $42.69 footnote F1 | $427K | |
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| Kang Jyh Lee | Option exercise | COMMON STOCK | 5,000 | $8.60 | $43K | |
| Kang Jyh Lee | Open-market sale | COMMON STOCK | 5,000 | $43.27 | $216K | |
| Kang Jyh Lee | Option exercise | PHOTRONICS STOCK OPTIONS | 5,000 | $0.00 | - | |
| Kang Jyh Lee | Option exercise | COMMON STOCK | 5,000 | $8.60 | $43K | |
| Kang Jyh Lee | Open-market sale | COMMON STOCK | 5,000 | $40.53 | $203K | |
| Kang Jyh Lee | Option exercise | PHOTRONICS STOCK OPTIONS | 5,000 | $0.00 | - | |
| Mitchell G. Tyson | Open-market sale | COMMON STOCK | 10,000 | $42.31 footnote F1 | $423K | |
| ||||||
| Hsueh-Chun Wang - Officer | Open-market sale | COMMON STOCK | 4,186 | $42.00 | $176K | |
| Hsueh-Chun Wang - Officer | Open-market sale | COMMON STOCK | 4,100 | $42.14 | $173K | |
| Hsueh-Chun Wang - Officer | Open-market sale | COMMON STOCK | 1,714 | $42.15 | $72K | |
Item 2.02, 9.01
Item 2.02, 9.01
Item 5.07
Item 2.02, 9.01
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.
More Information Technology companies with insider activity
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
Related companies with recent insider activity
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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