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sellNotable cluster of 6

John T Kim sold $485M of AMKR

owner, other at AMKOR TECHNOLOGY, INC.. 10,000,000 shares at an average of $48.49, traded Feb 12, 2026, filed Feb 17, 2026.

Warning score
62
Value
$485M
10,000,000 shares
Holdings after
29,594,980
-25% from before
From 52-week low
+250%
low $14.66, close $51.34
From 52-week high
-8%
high $55.90, as of Feb 12, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $484.9M at market
    +25
  • Share of holdings sold
    Sold 25% of holdings
    +10
  • Cluster
    6 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.

This signal so far: 1m +3.0%, 3m +40.2%, 6m +17.4%.

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 13, 2026 · close 47.61
Since filing Feb 17, 2026: +2.1%SPY +14.8% · excess -12.7%

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 0001158926-26-000003, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 12, 2026SOpen-market sale
Common Stockindirect: By 915 Investments, LP
-10,000,000$48.49$485M29,594,980Feb 17, 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%
55Moderate
AMKRsell 5
AMKOR TECHNOLOGY, INC.
Guillaume Marie Jean Rutten
President and CEO
$2.7M
50,000 shares
-10%
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%

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.

John T Kim sold $485M of AMKR | InsiderTell