PLAB insider trading — Photronics Inc
Over the last 90 days, insiders at Photronics Inc (PLAB) made 0 open-market purchases worth $0 and 4 open-market sales worth $1.11M, making them net sellers by $1.11M. The largest sale was by Lee Kang Jyh (Director), who sold 10,000 shares for $308K on Sep 29, 2026.
Updated Oct 16, 2026.
Recent PLAB insider transactions
Every Form 4 filed by Photronics Inc officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | Rivera Eric | President, CFO | F · Tax withholding | Direct | 2,897 | $30.83 | $89K | Form 4 |
| Oct 1, 2026 | Zhang Rui | VP, CAO & Corporate Controller | F · Tax withholding | Direct | 392 | $30.83 | $12K | Form 4 |
| Sep 29, 2026 | Lee Kang Jyh | Director | S · Sale | Direct | 10,000 | $30.75 | $308K | Form 4 |
| Sep 25, 2026 | Park Han Kyung | SVP & GM of FPD Ops | S · Sale | Direct | 9,500 | $30.37 | $289K | Form 4 |
| Sep 24, 2026 | Lee Kang Jyh | Director | S · Sale | Direct | 7,500 | $29.50 | $221K | Form 4 |
| Sep 22, 2026 | Lee Kang Jyh | Director | S · Sale | Direct | 10,000 | $29.70 | $297K | Form 4 |
PLAB insider trading FAQ
Are insiders buying PLAB stock?
Not on the open market. In the last 90 days, Photronics Inc insiders made no open-market purchases, and 4 open-market sales totaling $1.11M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading PLAB?
Recent sellers: Lee Kang Jyh, Park Han Kyung.
Where does PLAB insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.