Guillaume Marie Jean Rutten serves as Executive at AMKOR TECHNOLOGY, INC., where they oversee executive responsibilities. Since joining the company, Guillaume Marie Jean Rutten has executed 128 insider transactions totaling $28.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 15, 2026 involved selling 10,000 shares valued at $531.4K.
Guillaume Marie Jean Rutten currently holds 335,391 shares of AMKOR TECHNOLOGY, INC. (AMKR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Guillaume Marie Jean Rutten has been a net seller of AMKR stock. They have purchased $0 and sold $28.2M worth of shares.
Guillaume Marie Jean Rutten's most recent insider trade was on Jan 15, 2026, when they sold 10,000 shares at $53.14 per share.
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| $44.80 |
| Discretionary |
| Nov 17, 2025 | AMKR | $316.8K | Sale | 10,000 | $31.68 | Discretionary |
| Oct 15, 2025 | AMKR | $307.4K | Sale | 10,000 | $30.74 | Discretionary |
| Sep 30, 2025 | AMKR | $0 | Option Exercise | 8,692 | $N/A | Discretionary |
| Sep 23, 2025 | AMKR | $300.0K | Sale | 10,000 | $30.00 | Discretionary |
| Jun 30, 2025 | AMKR | $0 | Option Exercise | 8,691 | $N/A | Discretionary |
| Sep 16, 2024 | AMKR | $543.8K | Sale | 18,125 | $30.00 | Planned |
| Sep 16, 2024 | AMKR | $115.1K | Option Exercise | 8,125 | $14.17 | Planned |
| Aug 15, 2024 | AMKR | $814.0K | Sale | 25,000 | $32.56 | Planned |
| Aug 15, 2024 | AMKR | $212.6K | Option Exercise | 15,000 | $14.17 | Planned |
| Aug 13, 2024 | AMKR | $0 | Award | 106,638 | $N/A | Discretionary |
| Jul 15, 2024 | AMKR | $993.1K | Sale | 23,100 | $42.99 | Planned |
| Jul 15, 2024 | AMKR | $80.4K | Sale | 1,900 | $42.34 | Planned |
| Jul 15, 2024 | AMKR | $212.6K | Option Exercise | 15,000 | $14.17 | Planned |
| Jul 1, 2024 | AMKR | $0 | Option Exercise | 43,857 | $N/A | Discretionary |
| Jun 17, 2024 | AMKR | $212.6K | Option Exercise | 15,000 | $14.17 | Planned |
| Jun 17, 2024 | AMKR | $870.5K | Sale | 25,000 | $34.82 | Planned |
| May 15, 2024 | AMKR | $834.3K | Sale | 25,000 | $33.37 | Planned |
| May 15, 2024 | AMKR | $212.6K | Option Exercise | 15,000 | $14.17 | Planned |
| Apr 16, 2024 | AMKR | $779.3K | Sale | 25,000 | $31.17 | Planned |
| Apr 16, 2024 | AMKR | $212.6K | Option Exercise | 15,000 | $14.17 | Planned |
| Mar 15, 2024 | AMKR | $780.8K | Sale | 25,000 | $31.23 | Planned |
| Mar 15, 2024 | AMKR | $212.6K | Option Exercise | 15,000 | $14.17 | Planned |
| Feb 23, 2024 | AMKR | $0 | Award | 10,748 | $N/A | Planned |
| Feb 22, 2024 | AMKR | $765.8K | Sale | 25,000 | $30.63 | Planned |
| Feb 22, 2024 | AMKR | $62.0K | Option Exercise | 4,375 | $14.17 | Planned |
| Feb 22, 2024 | AMKR | $100.7K | Option Exercise | 10,625 | $9.48 | Planned |
| Feb 16, 2024 | AMKR | $0 | Option Exercise | 13,920 | $N/A | Discretionary |
| Apr 17, 2023 | AMKR | $47.4K | Option Exercise | 5,000 | $9.48 | Discretionary |