Updated Jul 16, 2026
Rutten Guillaume Marie Jean has filed 4 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $6.60M.
Guillaume Marie Rutten Jean is the President and CEO of Amkor Technology, Inc., a leading provider of outsourced semiconductor assembly and test services. He has played a significant role in the company's operations and strategic direction within the semiconductor industry.
| Role | Director |
|---|---|
| Notability | 50/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-02 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 8.7K | $0.00 | |
| 2026-05-15 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 482 | $0.00 | |
| 2026-05-12 | AMKR | AMKOR TECHNOLOGY, INC. | S — Open-market sale | 50.0K | $74.28 | $3.71M |
| 2026-04-02 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 8.7K | $0.00 | |
| 2026-02-26 | AMKR | AMKOR TECHNOLOGY, INC. | S — Open-market sale | 20.0K | $48.80 | $976K |
| 2026-02-26 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 10.7K | $0.00 | |
| 2026-02-24 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 59.4K | $0.00 | |
| 2026-02-24 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 112.9K | $0.00 | |
| 2026-02-20 | AMKR | AMKOR TECHNOLOGY, INC. | A — Grant or award | 30.6K | $0.00 | |
| 2026-02-20 | AMKR | AMKOR TECHNOLOGY, INC. | A — Grant or award | 10.9K | $0.00 | |
| 2026-02-18 | AMKR | AMKOR TECHNOLOGY, INC. | S — Open-market sale [10b5-1] | 10.0K | $45.89 | $459K |
| 2026-02-18 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise [10b5-1] | 13.9K | $0.00 | |
| 2026-01-20 | AMKR | AMKOR TECHNOLOGY, INC. | S — Open-market sale [10b5-1] | 10.0K | $53.14 | $531K |
| 2025-10-15 | AMKR | AMKOR TECHNOLOGY, INC. | S — Open-market sale | 10.0K | $30.74 | $307K |
| 2025-09-30 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 8.7K | $0.00 | |
| 2025-09-23 | AMKR | AMKOR TECHNOLOGY, INC. | S — Open-market sale | 10.0K | $30.00 | $300K |
| 2025-06-30 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 8.7K | $0.00 | |
| 2024-10-17 | AMKR | AMKOR TECHNOLOGY, INC. | S — Open-market sale [10b5-1] | 10.0K | $31.51 | $315K |
Guillaume Marie Rutten Jean is the President and CEO of Amkor Technology, Inc., a leading provider of outsourced semiconductor assembly and test services. He has played a significant role in the company's operations and strategic direction within the semiconductor industry.…
4 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 7 open-market sales ($6.60M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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