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sellNotable cluster of 3

James J Kim sold $19M of AMKR

owner, other at AMKOR TECHNOLOGY, INC.. 869,565 shares at an average of $21.85, traded Feb 24, 2025, filed Feb 26, 2025.

Warning score
72
Value
$19M
869,565 shares
Holdings after
71,828
-92% from before
From 52-week low
+2%
low $21.19, close $21.54
From 52-week high
-30%
high $30.74, as of Feb 24, 2025

Score components

  • Role
    10% owner
    +12
  • Trade size
    $19.0M at market
    +25
  • Share of holdings sold
    Sold 92% of holdings
    +20
  • Cluster
    3 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 Feb 26, 2025: +126.1%SPY +33.5% · excess +92.6%

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 0001158839-25-000004, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 24, 2025SOpen-market sale
Common Stock
-869,565$21.85$19M71,828Feb 26, 2025

Related signals

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

ScoreSideCompanyInsiderValueSharesFiled
9Weaksell10b5-1AMKR
AMKOR TECHNOLOGY, INC.
Megan Faust
CFO
$49k1,000
45Moderatesell 3AMKR
AMKOR TECHNOLOGY, INC.
Kevin Engel
Executive Vice President
$119k5,489
48Moderatesell 3AMKR
AMKOR TECHNOLOGY, INC.
Agnes C Kim
other
$19M869,565
75Notablebuy 5AMKR
AMKOR TECHNOLOGY, INC.
Susan Y Kim
director, owner, other
$19M869,565
68Notablebuy 5AMKR
AMKOR TECHNOLOGY, INC.
David D Kim
other
$19M869,565
67Notablebuy 5AMKR
AMKOR TECHNOLOGY, INC.
John T Kim
owner, other
$19M869,565
68Notablebuy 5AMKR
AMKOR TECHNOLOGY, INC.
SUJODA Investments, LP
other
$19M869,565
68Notablebuy 5AMKR
AMKOR TECHNOLOGY, INC.
Sujoda Management, LLC
other
$19M869,565
19Weaksell10b5-1AMKR
AMKOR TECHNOLOGY, INC.
Guillaume Marie Jean Rutten
President and CEO
$315k10,000

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.

James J Kim sold $19M of AMKR | InsiderTell