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sellModerate

Frontier TopCo Partnership, L.P. sold $342M of KGS

owner at Kodiak Gas Services, Inc.. 10,000,000 shares at an average of $34.21, traded Sep 8, 2025, filed Sep 10, 2025.

Warning score
47
Value
$342M
10,000,000 shares
Holdings after
19,762,573
-34% from before
From 52-week low
+35%
low $24.06, close $32.49
From 52-week high
-30%
high $46.13, as of Sep 8, 2025

Score components

  • Role
    10% owner
    +12
  • Trade size
    $342.1M at market
    +25
  • Share of holdings sold
    Sold 34% of holdings
    +10
  • Cluster
    No other insider selling within 14 days
    0

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 +1.8%, 3m +14.7%, 6m +75.5%.

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 Sep 10, 2025: +64.8%SPY +20.9% · excess +43.9%

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 0000950170-25-113973, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 8, 2025SOpen-market sale
Common Stockindirect: Held by Frontier TopCo Partnership, L.P.
-10,000,000$34.21$342M19,762,573Sep 10, 2025

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.

Frontier TopCo Partnership, L.P. sold $342M of KGS | InsiderTell