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buyNotable cluster of 5

Susan Y Kim bought $9.6M of AMKR

director, owner, other at AMKOR TECHNOLOGY, INC.. 441,589 shares at an average of $21.85, traded Aug 1, 2025, filed Aug 5, 2025.

Conviction score
62
Value
$9.6M
441,589 shares
Holdings after
3,789,479
+13% from before
From 52-week low
+47%
low $14.66, close $21.52
From 52-week high
-30%
high $30.74, as of Aug 1, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $9.6M at market
    +25
  • Relative to holdings
    Holdings up 13%
    +3
  • Price context
    30% below the 52-week high
    +4
  • 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

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 Aug 5, 2025: +123.9%SPY +25.7% · excess +98.2%

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 0001158922-25-000013, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 1, 2025GGift
Common Stock
+438,002$0.00$04,176,494Aug 5, 2025
Aug 1, 2025GGift
Common Stock
+280,000$0.00$04,456,494Aug 5, 2025
Aug 1, 2025GGift
Common Stockindirect: By James J. Kim 2023 GRAT dtd. 4/26/23
-438,002$0.00$0438,002Aug 5, 2025
Aug 1, 2025GGift
Common Stockindirect: By James J. Kim 2023 GRAT dtd. 4/26/23
-438,002$0.00$00Aug 5, 2025
Aug 1, 2025GGift
Common Stockindirect: By Agnes C. Kim 2023 GRAT dtd. 4/26/23
-280,000$0.00$0280,001Aug 5, 2025
Aug 1, 2025GGift
Common Stockindirect: By Agnes C. Kim 2023 GRAT dtd. 4/26/23
-280,001$0.00$00Aug 5, 2025
Aug 1, 2025POpen-market purchase
Common Stockindirect: By Sujoda Investments, LP
+441,589$21.85$9.6M3,789,479Aug 5, 2025

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%
27Weak
AMKRsell 210b5-1
AMKOR TECHNOLOGY, INC.
Guillaume Marie Jean Rutten
President and CEO
$300k
10,000 shares
-3%
57Moderate
AMKRsell 2
AMKOR TECHNOLOGY, INC.
Farshad Haghighi
Executive Vice President
$295k
11,792 shares
-59%
57Moderate
AMKRsell 3
AMKOR TECHNOLOGY, INC.
James J Kim
owner, other
$9.6M
441,589 shares
-16%
48Moderate
AMKRsell 3
AMKOR TECHNOLOGY, INC.
Agnes C Kim
other
$9.6M
441,589 shares
-3%
55Moderate
AMKRbuy 5
AMKOR TECHNOLOGY, INC.
David D Kim
other
$9.6M
441,589 shares
+13%
54Moderate
AMKRbuy 5
AMKOR TECHNOLOGY, INC.
John T Kim
owner, other
$9.6M
441,589 shares
+13%
55Moderate
AMKRbuy 5
AMKOR TECHNOLOGY, INC.
SUJODA Investments, LP
other
$9.6M
441,589 shares
+13%
55Moderate
AMKRbuy 5
AMKOR TECHNOLOGY, INC.
Sujoda Management, LLC
other
$9.6M
441,589 shares
+13%

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.

Susan Y Kim bought $9.6M of AMKR | InsiderTell