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buyNotable cluster of 5

John T Kim bought $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.

Conviction score
67
Value
$19M
869,565 shares
Holdings after
3,347,890
+35% 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
  • Relative to holdings
    Holdings up 35%
    +6
  • Price context
    2% above the 52-week low; 30% below the 52-week high
    +14
  • Cluster
    5 insiders buying within 14 days
    +15
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0
  • Outside holder
    A 10% owner who is not an officer or director
    -5

What happened after comparable buys

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 0001158926-25-000004, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 24, 2025POpen-market purchase
Common Stockindirect: By Sujoda Investments, LP
+869,565$21.85$19M3,347,890Feb 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
72Notablesell 3AMKR
AMKOR TECHNOLOGY, INC.
James J Kim
owner, other
$19M869,565
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
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.

John T Kim bought $19M of AMKR | InsiderTell