Dir
Lee Kang Jyh is a Director at Photronics Inc. (NASDAQ:PLAB), a leading manufacturer of photomasks critical for semiconductor lithography processes.[[1]](https://www.investing.com/news/insider-trading-news/lee-kang-jyh-photronics-director-sells-293k-in-plab-stock-93CH-4433844)[[4]](https://www.marketbeat.com/instant-alerts/photronics-nasdaqplab-director-sells-34830000-in-stock-2026-01-09/) He has been actively involved as a board member, with recent insider trading activity including multiple share sales in late 2025 and early 2026, such as 8,750 shares on January 2, 2026, for $293,475 (reducing ownership to 475,850 shares), 20,000 shares on January 5-6 for approximately $693,100 (to 455,850 shares), and 10,000 shares on January 7 for $348,300 (to 445,850 shares).[[1]](https://www.investing.com/news/insider-trading-news/lee-kang-jyh-photronics-director-sells-293k-in-plab-stock-93CH-4433844)[[2]](https://www.investing.com/news/insider-trading-news/lee-kang-jyh-photronics-director-sells-348300-in-shares-93CH-4440476)[[3]](https://www.investing.com/news/insider-trading-news/lee-kang-jyh-director-at-photronics-sells-693k-in-shares-93CH-4436076)[[4]](https://www.marketbeat.com/instant-alerts/photronics-nasdaqplab-director-sells-34830000-in-stock-2026-01-09/) These transactions follow a pattern of sales totaling 77,500 shares across six trades from December 12, 2025, to January 7, 2026.[[4]](https://www.marketbeat.com/instant-alerts/photronics-nasdaqplab-director-sells-34830000-in-stock-2026-01-09/)[[6]](https://longbridge.com/en/news/271866571)
Detailed background, career highlights, and education for Lee Kang Jyh are not available in the provided sources, which primarily focus on his recent stock sales as a Photronics director.[[1]](https://www.investing.com/news/insider-trading-news/lee-kang-jyh-photronics-director-sells-293k-in-plab-stock-93CH-4433844)[[2]](https://www.investing.com/news/insider-trading-news/lee-kang-jyh-photronics-director-sells-348300-in-shares-93CH-4440476)[[3]](https://www.investing.com/news/insider-trading-news/lee-kang-jyh-director-at-photronics-sells-693k-in-shares-93CH-4436076)[[4]](https://www.marketbeat.com/instant-alerts/photronics-nasdaqplab-director-sells-34830000-in-stock-2026-01-09/)[[5]](https://www.nasdaq.com/articles/kang-jyh-lee-executes-sell-order-offloads-421k-photronics-stock)[[6]](https://longbridge.com/en/news/271866571) One report erroneously refers to him as Chief Executive Officer, but this appears inconsistent with predominant descriptions as Director.[[5]](https://www.nasdaq.com/articles/kang-jyh-lee-executes-sell-order-offloads-421k-photronics-stock)
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