
Guillaume Marie Jean Rutten
Director · AMKOR TECHNOLOGY, INC.
- 2024
- Sep 24, 2026
- 18
Summary
Latest filing:
Guillaume Marie Jean Rutten is Director of AMKOR TECHNOLOGY, INC. (AMKR). 18 SEC Form 4 filings on record going back to 2024, most recently on 24 September 2026. Most recent open-market trade: sold $1.36M of AMKR on 7 August 2026. Lifetime open-market sales: $9.67M.
Recent transactions
20The latest 20 SEC Form 4 transactions reported by Guillaume Marie Jean Rutten.
Trading pattern
InsiderAlpha's records for Guillaume Marie Jean Rutten go back to 2024: 18 primary Form 4 filings, an average of 6.0 per year. 7 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
Other insiders active in the same stocks
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.
- 915 Investments, LP - $484.90M in AMKR purchases and sales in the last 12 months
- John T. Kim - $484.90M in AMKR purchases and sales in the last 12 months
- Mark N. Rogers - $3.05M in AMKR purchases and sales in the last 12 months
- Gil C. Tily - $2.09M in AMKR purchases and sales in the last 12 months
- Roger Anthony Carolin - $1.52M in AMKR purchases and sales in the last 12 months
- Kevin Engel - $1.51M in AMKR purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Guillaume Marie Jean Rutten?
Guillaume Marie Jean Rutten is a corporate insider, tracked as Director of AMKOR TECHNOLOGY, INC. (AMKR). InsiderAlpha holds 18 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Guillaume Marie Jean Rutten submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Guillaume Marie Jean Rutten been buying or selling stock?
Recorded transactions: 0 open-market purchases and 10 open-market sales ($9.67M) across all tracked filings.