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sellModerate cluster of 5

Guillaume Marie Jean Rutten sold $2.7M of AMKR

President and CEO at AMKOR TECHNOLOGY, INC.. 50,000 shares at an average of $54.93, traded Aug 5, 2026, filed Aug 7, 2026.

Warning score
55
Value
$2.7M
50,000 shares
Holdings after
461,732
-10% from before
From 52-week low
+145%
low $21.94, close $53.76
From 52-week high
-42%
high $93.38, as of Aug 5, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $2.7M at market
    +25
  • Share of holdings sold
    Sold 9.8% of holdings
    0
  • Cluster
    5 insiders selling within 14 days
    +15

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.

AMKROct 9, 2026 · close 49.12
Since filing Aug 7, 2026: -11.0%SPY +0.9% · excess -11.8%

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 0001628280-26-054882, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 5, 2026SOpen-market sale
Common Stock
-25,000$55.35$1.4M486,732Aug 7, 2026
Aug 6, 2026SOpen-market sale
Common Stock
-25,000$54.50$1.4M461,732Aug 7, 2026

Related signals

Other insiders at AMKOR TECHNOLOGY, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
0Weak
AMKRsell10b5-1
AMKOR TECHNOLOGY, INC.
Douglas A Alexander
director
$275k
5,000 shares
-15%
9Weak
AMKRsell10b5-1
AMKOR TECHNOLOGY, INC.
Megan Faust
CFO
$49k
1,000 shares
-1%
14Weak
AMKRsell 410b5-1
AMKOR TECHNOLOGY, INC.
Mark N Rogers
EVP & General Counsel
$299k
5,000 shares
-11%
24Weak
AMKRsell 510b5-1
AMKOR TECHNOLOGY, INC.
Megan Faust
CFO
$54k
1,000 shares
-1%
14Weak
AMKRsell 510b5-1
AMKOR TECHNOLOGY, INC.
Douglas A Alexander
director
$279k
5,000 shares
-15%
56Moderate
AMKRsell 5
AMKOR TECHNOLOGY, INC.
Kevin Engel
President and CEO
$151k
3,221 shares
-25%
15Weak
AMKRsell 310b5-1
AMKOR TECHNOLOGY, INC.
Mark N Rogers
EVP & General Counsel
$326k
5,000 shares
-11%
18Weak
AMKRsell 210b5-1
AMKOR TECHNOLOGY, INC.
Megan Faust
CFO
$70k
1,000 shares
-1%
17Weak
AMKRsell 310b5-1
AMKOR TECHNOLOGY, INC.
Mark N Rogers
EVP & General Counsel
$431k
5,000 shares
-11%
36Weak
AMKRsell 3
AMKOR TECHNOLOGY, INC.
Winston J Churchill
director
$391k
5,000 shares
-15%

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.

Guillaume Marie Jean Rutten sold $2.7M of AMKR | InsiderTell