Rutten Guillaume Marie Jean (CIK 1596796) reported 24 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-02). Recent activity: Buy AMKR (8,692 shares), Buy AMKR (482 shares), Sell AMKR (50,000 shares), Buy AMKR (8,692 shares), Buy AMKR (10,748 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Buy | 8,692 | $0 |
| 2026-05-15 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Buy | 482 | $0 |
| 2026-05-12 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Sell | 50,000 | $3.7M |
| 2026-04-02 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Buy | 8,692 | $0 |
| 2026-02-26 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Buy | 10,748 | $0 |
| 2026-02-26 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Sell | 20,000 | $976,000 |
| 2026-02-24 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Buy | 112,941 | $0 |
| 2026-02-24 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Buy | 59,388 | $0 |
| 2026-02-20 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Buy | 10,891 | $0 |
| 2026-02-20 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Buy | 30,587 | $0 |
| 2026-02-18 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Buy | 13,920 | $0 |
| 2026-02-18 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Sell | 10,000 | $458,900 |
| 2026-01-20 | AMKOR TECHNOLOGY, INC. (AMKR) | Director | Sell | 10,000 | $531,400 |
| 2026-01-05 | AMKOR TECHNOLOGY, INC. (AMKR) | President and CEO | Buy | 8,692 | $0 |
| 2025-12-17 | AMKOR TECHNOLOGY, INC. (AMKR) | President and CEO | Sell | 10,000 | $448,000 |
| 2025-11-19 | AMKOR TECHNOLOGY, INC. (AMKR) | President and CEO | Sell | 10,000 | $316,800 |
| 2025-10-17 | AMKOR TECHNOLOGY, INC. (AMKR) | President and CEO | Sell | 10,000 | $307,400 |
| 2025-10-02 | AMKOR TECHNOLOGY, INC. (AMKR) | President and CEO | Buy | 8,692 | $0 |
| 2025-09-23 | AMKOR TECHNOLOGY, INC. (AMKR) | President and CEO | Sell | 10,000 | $300,000 |
| 2025-07-02 | AMKOR TECHNOLOGY, INC. (AMKR) | President and CEO | Buy | 8,691 | $0 |
| 2025-02-26 | AMKOR TECHNOLOGY, INC. (AMKR) | President and CEO | Buy | 10,748 | $0 |
| 2025-02-21 | AMKOR TECHNOLOGY, INC. (AMKR) | President and CEO | Buy | 16,736 | $0 |
| 2025-02-21 | AMKOR TECHNOLOGY, INC. (AMKR) | President and CEO | Buy | 112,941 | $0 |
| 2025-02-19 | AMKOR TECHNOLOGY, INC. (AMKR) | President and CEO | Buy | 13,920 | $0 |
Source: SEC Form 4 filings · as of 2026-07-02