Guillaume Marie Jean Rutten sold $300k of AMKR
President and CEO at AMKOR TECHNOLOGY, INC.. 10,000 shares at an average of $30.00, traded Sep 23, 2025, filed Sep 23, 2025.
Score components
- +25RoleCEO
- +14Trade size$300k at market
- 0Share of holdings soldSold 2.7% of holdings
- +8Cluster2 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001628280-25-042480, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 23, 2025 | SOpen-market sale Common Stock10b5-1 | -10,000 | $30.00 | $300k | 358,007 | Sep 23, 2025 |
Related signals
Other insiders at AMKOR TECHNOLOGY, INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 0Weak | AMKOR TECHNOLOGY, INC. | Douglas A Alexander director | $275k 5,000 shares | -15% | |
| 9Weak | AMKOR TECHNOLOGY, INC. | Megan Faust CFO | $49k 1,000 shares | -1% | |
| 28Weak | AMKOR TECHNOLOGY, INC. | Mark N Rogers EVP & General Counsel | $859k 20,000 shares | -46% | |
| 37Weak | AMKOR TECHNOLOGY, INC. | Guillaume Marie Jean Rutten President and CEO | $448k 10,000 shares | -3% | |
| 32Weak | AMKOR TECHNOLOGY, INC. | Winston J Churchill director | $221k 5,000 shares | -16% | |
| 59Moderate | AMKOR TECHNOLOGY, INC. | Gil C. Tily director | $929k 20,000 shares | -14% | |
| 68Notable | AMKOR TECHNOLOGY, INC. | Kevin Engel Executive Vice President | $508k 11,000 shares | -97% | |
| 49Moderate | AMKOR TECHNOLOGY, INC. | MaryFrances McCourt director | $920k 20,000 shares | -26% | |
| 18Weak | AMKOR TECHNOLOGY, INC. | Mark N Rogers EVP & General Counsel | $634k 20,000 shares | -46% | |
| 27Weak | AMKOR TECHNOLOGY, INC. | Guillaume Marie Jean Rutten President and CEO | $317k 10,000 shares | -3% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.