InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (14 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
14
T+90 hit rate
75%
T+90 mean return
+23.6%
Across 4 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the full record of transactions filed by Lee Kang Jyh, Director. Director active across 1 company, notably Photronics INC. Aggregated, 23 reports have been published. Breakdown: 0 buy · 14 sells. Total volume traded: €2.9m. Activity tracked since 27 August 2021. The latest transaction was filed on 23 March 2026 (Cession). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations23 total
10,000 shares@ US$39.000.011% mcap28.0% of flowCOMMON STOCKSEC:0001140361-26-011227
10,000 shares@ US$39.000.011% mcap28.0% of flowCOMMON STOCKSEC:0001140361-26-011227:0
10,000 shares@ US$21.605.6% of flowCOMMON STOCKSEC:0001140361-25-016206:0
10,000 shares@ US$20.905.6% of flowCOMMON STOCKSEC:0001140361-25-007664:0
8,750 shares@ US$24.405.9% of flowCOMMON STOCKSEC:0001140361-25-001516:0
10,000 shares@ US$25.026.9% of flowCOMMON STOCKSEC:0001140361-25-000432:0
8,750 shares@ US$24.005.8% of flowCOMMON STOCKSEC:0001140361-25-000364:0
17,500 shares@ US$24.0011.5% of flowCOMMON STOCKSEC:0001140361-24-050495:0
8,750 shares@ US$24.335.9% of flowCOMMON STOCKSEC:0001140361-24-050296:0
10,000 shares@ US$25.297.0% of flowCOMMON STOCKSEC:0001140361-24-050128:0
120,000 shares0COMMON STOCKSEC:0001140361-24-001121:0
30,000 shares@ US$8.866.9% of flowCOMMON STOCKSEC:0001140361-23-055795:0
120,000 shares0Common StockSEC:0001567619-23-000535:0
30,000 shares@ US$5.464.5% of flowCommon StockSEC:0001567619-22-021063:0
35,000 shares0Common StockSEC:0001567619-22-011416:0
40,000 shares0Common StockSEC:0001567619-22-000655
40,000 shares0Common StockSEC:0001567619-22-000655:0
7,075 shares@ US$18.850.0040% mcap19.6% of flowCommon StockSEC:0001567619-21-022723
7,075 shares@ US$18.850.0040% mcap9.8% of flowCommon StockSEC:0001567619-21-022723:0
4,500 shares@ US$16.75690.0023% mcap11.1% of flowCOMMON STOCKSEC:0001567619-21-022299
4,500 shares@ US$16.75690.0023% mcap5.6% of flowCOMMON STOCKSEC:0001567619-21-022299:0
15,000 shares@ US$6.320.0027% mcap6.7% of flowCOMMON STOCKSEC:0001567619-21-016507:0
15,000 shares@ US$6.322.3% of flowCOMMON STOCKSEC:0001567619-21-016507
23 of 23 declarations
About Lee Kang Jyh
Kang Jyh Lee is the Chairman and CEO of Photronics Inc. He oversees the company's operations, which specialize in manufacturing photomasks for the semiconductor industry. Lee is responsible for strategic direction and innovation at Photronics, aiming to meet the growing demands of the technology market. His leadership is essential to ensure the company's competitiveness in a constantly evolving sector.
