InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (12 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
12
T+90 hit rate
64%
T+90 mean return
+21.9%
Across 14 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the detailed record of transactions filed by Rutten Guillaume Marie Jean, President and Chief Executive Officer. Officer active across 1 company, notably Amkor Technology, INC.. Cumulatively, 67 filings have been published. Split: 0 buy · 12 sells. Total volume traded: €10.1m. Activity tracked since 17 May 2021. The latest transaction was filed on 13 May 2026 (Levée d'options). Regulator: SEC (Form 4). All data is free.
Declarations67 total
8,692 sharesCommon StockSEC:0001628280-26-046953:0
482 shares0Common StockSEC:0001628280-26-035658
482 shares0Common StockSEC:0001628280-26-035658:0
50,000 shares@ US$74.280.018% mcap28.1% of flowCommon StockSEC:0001628280-26-034167:0
50,000 shares@ US$74.280.018% mcap28.1% of flowCommon StockSEC:0001628280-26-034167
112,941 shares0Common StockSEC:0001628280-26-011069:0
59,388 shares0Common StockSEC:0001628280-26-011069:1
10,891 shares0Common StockSEC:0001628280-26-010222:0
10,891 shares0Common StockSEC:0001628280-26-010222
13,920 shares0Common StockSEC:0001628280-26-009053
13,920 shares0Common StockSEC:0001628280-26-009053:0
10,000 shares@ US$53.140.0026% mcap4.1% of flowCommon StockSEC:0001628280-26-002639:0
10,000 shares@ US$53.144.1% of flowCommon StockSEC:0001628280-26-002639
10,000 shares@ US$44.803.4% of flowCommon StockSEC:0001628280-25-057633
10,000 shares@ US$44.800.0022% mcap3.4% of flowCommon StockSEC:0001628280-25-057633:0
10,000 shares@ US$30.742.3% of flowCommon StockSEC:0001628280-25-045367
10,000 shares@ US$30.740.0015% mcap2.3% of flowCommon StockSEC:0001628280-25-045367:0
10,000 shares@ US$30.000.0015% mcap2.3% of flowCommon StockSEC:0001628280-25-042480:0
10,000 shares@ US$30.002.3% of flowCommon StockSEC:0001628280-25-042480
10,748 shares0Common StockSEC:0001047127-25-000050:0
16,736 shares0Common StockSEC:0001047127-25-000036:0
13,920 shares0Common StockSEC:0001047127-25-000019:0
10,000 shares@ US$31.512.0% of flowCommon StockSEC:0001047127-24-000197:0
8,125 shares@ US$14.170.7% of flowCommon StockSEC:0001047127-24-000175:0
15,000 shares@ US$14.171.4% of flowCommon StockSEC:0001047127-24-000171:0
25 of 67 declarations
About Rutten Guillaume Marie Jean
Giel Rutten is the President and Chief Executive Officer of Amkor Technology. On Amkor’s official leadership page, the company says he joined Amkor in 2014 and served as Executive Vice President of Advanced Products until 2020. Before Amkor, he was Chief Executive Officer of Ledzworld and later Senior Vice President for the Home business unit at NXP, and he began his career at Philips Semiconductors in 1984. Amkor also says he has more than 30 years of global semiconductor industry experience and holds a master’s degree in Physics and Chemistry from the University of Nijmegen in the Netherlands. Sources: https://amkor.com/leadership/giel-rutten/
