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sellWeak cluster of 310b5-1 plan

Ewan William Hamilton sold $187k of KGS

EVP & Chief Accounting Officer at Kodiak Gas Services, Inc.. 2,729 shares at an average of $68.62, traded Jun 16, 2026, filed Jun 16, 2026.

Warning score
22
Value
$187k
2,729 shares
Holdings after
31,617
-8% from before
From 52-week low
+128%
low $29.53, close $67.36
From 52-week high
-11%
high $75.32, as of Jun 16, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $187k at market
    +12
  • Share of holdings sold
    Sold 7.9% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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.

KGSOct 12, 2026 · close 52.49
Since filing Jun 16, 2026: -22.1%SPY +4.2% · excess -26.3%

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 0001193125-26-272943, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 16, 2026SOpen-market sale
Common Stock10b5-1
-2,729$68.62$187k31,617Jun 16, 2026

Related signals

Other insiders at Kodiak Gas Services, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
Pro nowfree Oct 20, 2026
KGSsell 210b5-1
Kodiak Gas Services, Inc.
William Chad Lenamon
Executive Vice President & COO
$53k
1,000 shares
-1%
24Weak
KGSsell 210b5-1
Kodiak Gas Services, Inc.
Robert Michael McKee
President & CEO
$144k
2,666 shares
-1%
27Weak
KGSsell 310b5-1
Kodiak Gas Services, Inc.
Pedro R. Buhigas
Chief Information Officer
$213k
3,663 shares
-10%
21Weak
KGSsell 410b5-1
Kodiak Gas Services, Inc.
Ewan William Hamilton
EVP & Chief Accounting Officer
$169k
2,729 shares
-9%
23Weak
KGSsell 410b5-1
Kodiak Gas Services, Inc.
William Chad Lenamon
Executive Vice President & COO
$63k
1,000 shares
-1%
35Weak
KGSsell 310b5-1
Kodiak Gas Services, Inc.
Robert Michael McKee
President & CEO
$356k
5,999 shares
-2%
28Weak
KGSsell 210b5-1
Kodiak Gas Services, Inc.
Robert Michael McKee
President & CEO
$375k
6,008 shares
-2%
15Weak
KGSsell 210b5-1
Kodiak Gas Services, Inc.
William Chad Lenamon
Executive Vice President & COO
$62k
1,000 shares
-1%
16Weak
KGSsell 210b5-1
Kodiak Gas Services, Inc.
William Chad Lenamon
Executive Vice President & COO
$68k
1,000 shares
-1%
22Weak
KGSsell 210b5-1
Kodiak Gas Services, Inc.
Cory Anne Roclawski
EVP & CHRO
$285k
4,169 shares
-14%

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.

Ewan William Hamilton sold $187k of KGS | InsiderTell