Guillaume Marie Jean Rutten serves as President and CEO of AMKOR TECHNOLOGY, INC. (AMKR). Rutten has reported 16 insider filings with the SEC since 2024. The most recent filing was in July 2026.
Every role Guillaume Marie Jean Rutten has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
AMKOR TECHNOLOGY, INC. (AMKR)3 filingsUpdated Aug 31, 2026
Guillaume Marie Jean Rutten is Director of AMKOR TECHNOLOGY, INC. (AMKR). 17 SEC Form 4 filings on record going back to 2024, most recently on 7 August 2026. Most recent open-market trade: sold $1.36M of AMKR on 7 August 2026. Lifetime open-market sales: $9.67M.
Every recent SEC Form 4 transaction Guillaume Marie Jean Rutten has reported, most recent first.
InsiderAlpha's records for Guillaume Marie Jean Rutten go back to 2024: 17 primary Form 4 filings, an average of 5.7 per year. 7 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Insiders who reported open-market trades in the last 12 months at the companies Guillaume Marie Jean Rutten files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Guillaume Marie Jean Rutten is a corporate insider, tracked as Director of AMKOR TECHNOLOGY, INC. (AMKR). InsiderAlpha holds 17 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases and 10 open-market sales ($9.67M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$AMKR AMKOR TECHNOLOGY, INC.8.7K shares @ $0.00-