Guillaume Marie Jean Rutten
President and CEO at Amkor Technology Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Amkor Technology Inc., 3 years.
Amkor Technology Inc.
Director · President and CEO
Chief executive roles
Amkor Technology Inc.
· President and CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 24, 2026 | Amkor Technology Inc. | Option exercise | +10,748 | — | — |
| Feb 24, 2026 | Amkor Technology Inc. | Open-market sale | −20,000 | $48.80 | $976,000 |
| Feb 20, 2026 | Amkor Technology Inc. | Option exercise | +112,941 | — | — |
| Feb 20, 2026 | Amkor Technology Inc. | Option exercise | +59,388 | — | — |
| Feb 18, 2026 | Amkor Technology Inc. | Grant or award | +10,891 | — | — |
| Feb 18, 2026 | Amkor Technology Inc. | Grant or award | +30,587 | — | — |
| Feb 17, 2026 | Amkor Technology Inc. | Open-market sale | −10,000 | $45.89 | $458,900 |
| Feb 16, 2026 | Amkor Technology Inc. | Option exercise | +13,920 | — | — |
| Jan 15, 2026 | Amkor Technology Inc. | Open-market sale | −10,000 | $53.14 | $531,400 |
| Dec 15, 2025 | Amkor Technology Inc. | Open-market sale | −10,000 | $44.80 | $448,000 |
| Nov 17, 2025 | Amkor Technology Inc. | Open-market sale | −10,000 | $31.68 | $316,800 |
| Oct 15, 2025 | Amkor Technology Inc. | Open-market sale | −10,000 | $30.74 | $307,400 |
| Sep 30, 2025 | Amkor Technology Inc. | Option exercise | +8,692 | — | — |
| Sep 23, 2025 | Amkor Technology Inc. | Open-market sale | −10,000 | $30.00 | $300,000 |
| Jun 30, 2025 | Amkor Technology Inc. | Option exercise | +8,691 | — | — |
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