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Are Photronics Insiders Buying or Selling?
Photronics (PLAB) has had 4 insider transactions in the past 90 days, all sells. The most recent was Lee Kang Jyh, who sold 10,000 shares at $30.75 on September 29, 2026.
Insider trading patterns can signal confidence or concern from the people who know the company best. AltIndex tracks insider transactions as one of 25+ alternative data signals in the PLAB AI Score. For government officials trading this stock, see PLAB congressional trading.
Who’s Trading Photronics Stock?
| Insider | Activity | Trades | Last Trade |
|---|---|---|---|
| Lee Kang Jyh | Sold $10M | 35 | Sep 29, 2026 |
| GEORGE MACRICOSTAS | Sold $5.2M | 3 | Apr 8, 2026 |
| Christopher Progler | Sold $3.1M | 10 | Dec 12, 2025 |
| CONSTANTINE MACRICOSTAS | Sold $2.9M | 2 | Apr 14, 2026 |
| Park Han Kyung | Sold $2.4M | 8 | Sep 25, 2026 |
| Hsueh-Chun Wang | Sold $2.2M | 6 | Apr 14, 2026 |
Recent Photronics Insider Transactions
| Insider | Transaction Date | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Lee Kang Jyh | Sep 29, 2026 | Sell | 10,000 | $30.75 | $310,000 |
| Park Han Kyung | Sep 25, 2026 | Sell | 9,500 | $30.37 | $290,000 |
| Lee Kang Jyh | Sep 24, 2026 | Sell | 7,500 | $29.5 | $220,000 |
| Lee Kang Jyh | Sep 22, 2026 | Sell | 10,000 | $29.7 | $300,000 |
| RUI ZHANG | Apr 17, 2026 | Sell | 4,556 | $46.7 | $210,000 |
| Lee Kang Jyh | Apr 16, 2026 | Sell | 10,000 | $45.8 | $460,000 |
| Lee Kang Jyh | Apr 15, 2026 | Sell | 10,000 | $45.1 | $450,000 |
| Hsueh-Chun Wang | Apr 14, 2026 | Sell | 19,250 | $45.3 | $870,000 |
| CONSTANTINE MACRICOSTAS | Apr 14, 2026 | Sell | 50,000 | $45.35 | $2.3M |
| Lee Kang Jyh | Apr 13, 2026 | Sell | 5,000 | $45 | $230,000 |
| Eric Rivera | Apr 13, 2026 | Sell | 1,000 | $44.77 | $45,000 |
| Hsueh-Chun Wang | Apr 9, 2026 | Sell | 11,875 | $44.25 | $530,000 |
| Eric Rivera | Apr 9, 2026 | Sell | 40,635 | $44 | $1.8M |
| Lee Kang Jyh | Apr 9, 2026 | Sell | 5,000 | $44 | $220,000 |
| Eric Rivera | Apr 9, 2026 | Sell | 882 | $44 | $39,000 |
| GEORGE MACRICOSTAS | Apr 8, 2026 | Sell | 109,194 | $42.9 | $4.7M |
| Hsueh-Chun Wang | Apr 8, 2026 | Sell | 10,000 | $42.69 | $430,000 |
| GEORGE MACRICOSTAS | Apr 8, 2026 | Sell | 6,500 | $43.27 | $280,000 |
| GEORGE MACRICOSTAS | Apr 8, 2026 | Sell | 5,500 | $43.28 | $240,000 |
| RUI ZHANG | Apr 8, 2026 | Sell | 1,752 | $43.5 | $76,000 |
| Lee Kang Jyh | Apr 8, 2026 | Sell | 5,000 | $43.27 | $220,000 |
| Lee Kang Jyh | Apr 6, 2026 | Sell | 5,000 | $40.53 | $200,000 |
| MITCHELL TYSON | Apr 1, 2026 | Sell | 10,000 | $42.31 | $420,000 |
| Hsueh-Chun Wang | Apr 1, 2026 | Sell | 4,186 | $42 | $180,000 |
| Hsueh-Chun Wang | Apr 1, 2026 | Sell | 4,100 | $42.14 | $170,000 |
| Hsueh-Chun Wang | Apr 1, 2026 | Sell | 1,714 | $42.15 | $72,000 |
| Lee Kang Jyh | Apr 1, 2026 | Sell | 5,000 | $42 | $210,000 |
| Lee Kang Jyh | Mar 26, 2026 | Sell | 5,000 | $40.8 | $200,000 |
| Lee Kang Jyh | Mar 23, 2026 | Sell | 10,000 | $39 | $390,000 |
| Lee Kang Jyh | Mar 19, 2026 | Sell | 10,000 | $35.8 | $360,000 |
| Lee Kang Jyh | Jan 16, 2026 | Sell | 10,000 | $34.51 | $350,000 |
| Park Han Kyung | Jan 16, 2026 | Sell | 6,250 | $34.89 | $220,000 |
| Lee Kang Jyh | Jan 15, 2026 | Sell | 10,000 | $34.13 | $340,000 |
| Lee Kang Jyh | Jan 13, 2026 | Sell | 10,000 | $34.42 | $340,000 |
| Park Han Kyung | Jan 13, 2026 | Sell | 7,500 | $33.7 | $250,000 |
| Lee Kang Jyh | Jan 12, 2026 | Sell | 10,000 | $33.05 | $330,000 |
| Lee Kang Jyh | Jan 7, 2026 | Sell | 10,000 | $34.83 | $350,000 |
| Lee Kang Jyh | Jan 6, 2026 | Sell | 10,000 | $35.41 | $350,000 |
| Mary Paladino | Jan 6, 2026 | Sell | 11,250 | $35.11 | $390,000 |
| MITCHELL TYSON | Jan 6, 2026 | Sell | 5,000 | $35.21 | $180,000 |
| Lee Kang Jyh | Jan 2, 2026 | Sell | 8,750 | $33.54 | $290,000 |
| Lee Kang Jyh | Dec 22, 2025 | Sell | 8,750 | $34.31 | $300,000 |
| Lee Kang Jyh | Dec 15, 2025 | Sell | 20,000 | $36.45 | $730,000 |
| Christopher Progler | Dec 12, 2025 | Sell | 25,000 | $35.78 | $890,000 |
| Park Han Kyung | Dec 12, 2025 | Sell | 13,750 | $37.99 | $520,000 |
| MITCHELL TYSON | Dec 12, 2025 | Sell | 5,000 | $36.17 | $180,000 |
| Christopher Progler | Dec 1, 2025 | Sell | 10,000 | $22.52 | $230,000 |
| MITCHELL TYSON | Oct 7, 2025 | Sell | 5,000 | $25.04 | $130,000 |
| Lee Kang Jyh | Oct 6, 2025 | Sell | 10,000 | $25.33 | $250,000 |
| Mary Paladino | Oct 2, 2025 | Sell | 42,750 | $24 | $1M |
| Park Han Kyung | Sep 3, 2025 | Sell | 15,000 | $22 | $330,000 |
| Christopher Progler | Sep 2, 2025 | Sell | 10,000 | $21.93 | $220,000 |
| Lee Kang Jyh | Aug 29, 2025 | Sell | 8,750 | $23.2 | $200,000 |
| Christopher Progler | Jul 28, 2025 | Sell | 10,000 | $21.07 | $210,000 |
| MITCHELL TYSON | Jul 10, 2025 | Sell | 15,000 | $19.97 | $300,000 |
| CONSTANTINE MACRICOSTAS | Jul 2, 2025 | Sell | 29,500 | $20.2 | $600,000 |
| David Garcia | Jun 27, 2025 | Buy | 2,650 | $19 | $50,000 |
| Lee Kang Jyh | Jun 20, 2025 | Sell | 4,882 | $18.35 | $90,000 |
| Lee Kang Jyh | Jun 18, 2025 | Sell | 28,118 | $18.4 | $520,000 |
| WALTER FIEDEROWICZ | Apr 17, 2025 | Sell | 5,000 | $17.79 | $89,000 |
| WALTER FIEDEROWICZ | Apr 15, 2025 | Sell | 7,548 | $17.87 | $130,000 |
| WALTER FIEDEROWICZ | Apr 9, 2025 | Sell | 7,000 | $18.88 | $130,000 |
| WALTER FIEDEROWICZ | Apr 3, 2025 | Sell | 5,000 | $19.16 | $96,000 |
| Lee Kang Jyh | Mar 26, 2025 | Sell | 10,000 | $21.6 | $220,000 |
| WALTER FIEDEROWICZ | Mar 25, 2025 | Sell | 10,000 | $21.63 | $220,000 |
| Christopher Progler | Mar 24, 2025 | Sell | 10,000 | $21.59 | $220,000 |
| Lee Kang Jyh | Mar 5, 2025 | Sell | 10,000 | $20.9 | $210,000 |
| Lee Kang Jyh | Jan 17, 2025 | Sell | 10,000 | $24.47 | $240,000 |
| Lee Kang Jyh | Jan 16, 2025 | Sell | 8,750 | $24.4 | $210,000 |
| Park Han Kyung | Jan 7, 2025 | Sell | 11,250 | $24.63 | $280,000 |
| Park Han Kyung | Jan 6, 2025 | Sell | 11,250 | $24.29 | $270,000 |
| Lee Kang Jyh | Jan 6, 2025 | Sell | 10,000 | $25.02 | $250,000 |
| WALTER FIEDEROWICZ | Jan 3, 2025 | Sell | 10,000 | $24.13 | $240,000 |
| Lee Kang Jyh | Jan 2, 2025 | Sell | 8,750 | $24.2 | $210,000 |
| Park Han Kyung | Dec 24, 2024 | Sell | 11,250 | $23.8 | $270,000 |
| WALTER FIEDEROWICZ | Dec 24, 2024 | Sell | 10,000 | $24.01 | $240,000 |
| Lee Kang Jyh | Dec 24, 2024 | Sell | 17,500 | $24 | $420,000 |
| ADAM LEWIS | Dec 20, 2024 | Sell | 19,750 | $24.11 | $480,000 |
| Lee Kang Jyh | Dec 20, 2024 | Sell | 8,750 | $24.33 | $210,000 |
| Lee Kang Jyh | Dec 19, 2024 | Sell | 10,000 | $25.25 | $250,000 |
| MITCHELL TYSON | Dec 19, 2024 | Sell | 20,000 | $25.06 | $500,000 |
| Christopher Progler | Dec 19, 2024 | Sell | 19,134 | $24.83 | $480,000 |
| Christopher Progler | Dec 19, 2024 | Sell | 13,866 | $24.9 | $350,000 |
| Christopher Progler | Dec 19, 2024 | Sell | 11,250 | $24.87 | $280,000 |
| Christopher Progler | Dec 19, 2024 | Sell | 7,500 | $24.81 | $190,000 |
| Christopher Progler | Dec 19, 2024 | Sell | 3,750 | $24.86 | $93,000 |
Frequently Asked Questions: Photronics Insider Trading
In the past 90 days, Photronics insiders have made 0 buys and 4 sells. The net selling may indicate insiders are taking profits or reducing exposure.
The most recent sale was by Lee Kang Jyh who sold 10,000 shares on September 29, 2026. View all transactions in the table on this page.
Insider buying is generally a stronger signal than insider selling, since insiders may sell for personal reasons (diversification, taxes) but typically buy only when they believe the stock is undervalued. AltIndex uses insider transaction patterns alongside 25+ other signals in the AI Score.
Garcia David A. has bought the most PLAB stock in the last 2 years, with a total value of $50,000.
Lee Kang Jyh has sold the most PLAB stock in the last 2 years, with a total value of $10M.
The total value of insider transactions for Photronics in the last 2 years is negative, amounting to -$33M. This suggests that insiders have predominantly sold shares, which could reflect various personal or financial considerations rather than a straightforward outlook on the company's future performance.
