Guillaume Marie Jean Rutten sold $307k of AMKR
President and CEO at AMKOR TECHNOLOGY, INC.. 10,000 shares at an average of $30.74, traded Oct 15, 2025, filed Oct 17, 2025.
Score components
- +25RoleCEO
- +14Trade size$307k at market
- 0Share of holdings soldSold 2.7% of holdings
- 0ClusterNo other insider 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.
This signal so far: 1m +1.2%, 3m +53.7%, 6m +116.2%.
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 0001628280-25-045367, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Oct 15, 2025 | SOpen-market sale Common Stock10b5-1 | -10,000 | $30.74 | $307k | 356,699 | Oct 17, 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% | |
| 14Weak | AMKOR TECHNOLOGY, INC. | Mark N Rogers EVP & General Counsel | $299k 5,000 shares | -11% | |
| 24Weak | AMKOR TECHNOLOGY, INC. | Megan Faust CFO | $54k 1,000 shares | -1% | |
| 14Weak | AMKOR TECHNOLOGY, INC. | Douglas A Alexander director | $279k 5,000 shares | -15% | |
| 55Moderate | AMKOR TECHNOLOGY, INC. | Guillaume Marie Jean Rutten President and CEO | $2.7M 50,000 shares | -10% | |
| 56Moderate | AMKOR TECHNOLOGY, INC. | Kevin Engel President and CEO | $151k 3,221 shares | -25% | |
| 15Weak | AMKOR TECHNOLOGY, INC. | Mark N Rogers EVP & General Counsel | $326k 5,000 shares | -11% | |
| 18Weak | AMKOR TECHNOLOGY, INC. | Megan Faust CFO | $70k 1,000 shares | -1% | |
| 17Weak | AMKOR TECHNOLOGY, INC. | Mark N Rogers EVP & General Counsel | $431k 5,000 shares | -11% |
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.