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sellWeak cluster of 310b5-1 plan

William A Koefoed sold $170k of OS

Chief Financial Officer at OneStream, Inc.. 9,571 shares at an average of $17.73, traded Dec 15, 2025, filed Dec 16, 2025.

Warning score
28
Value
$170k
9,571 shares
Holdings after
206,127
-4% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CFO
    +22
  • Trade size
    $170k at market
    +11
  • Share of holdings sold
    Sold 4.4% 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.

Rows in this filing

Every transaction in Form 4 0001642337-25-000007, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 15, 2025SOpen-market sale
Class A Common Stock10b5-1
-9,571$17.73$170k206,127Dec 16, 2025

Related signals

Other insiders at OneStream, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
16Weak
OSsell 310b5-1
OneStream, Inc.
Ken Hohenstein
Chief Revenue Officer
$688k
40,000 shares
-4%
46Moderate
OSsell 310b5-1
OneStream, Inc.
Jonathan D Mariner
director
$385k
18,423 shares
-55%
3Weak
OSsell10b5-1
OneStream, Inc.
Ken Hohenstein
Chief Revenue Officer
$838k
40,000 shares
-4%
0Weak
OSsell10b5-1
OneStream, Inc.
Ken Hohenstein
Chief Revenue Officer
$674k
40,000 shares
-4%
49Moderate
OSsell 310b5-1
OneStream, Inc.
John Kinzer
director
$600k
30,000 shares
-100%
16Weak
OSsell 410b5-1
OneStream, Inc.
Ken Hohenstein
Chief Revenue Officer
$748k
40,000 shares
-4%
28Weak
OSsell 410b5-1
OneStream, Inc.
William A Koefoed
Chief Financial Officer
$170k
8,943 shares
-4%
10Weak
OSsell 310b5-1
OneStream, Inc.
Jonathan D Mariner
director
$2,830
141 shares
-0%
5Weak
OSsell 210b5-1
OneStream, Inc.
Ken Hohenstein
Chief Revenue Officer
$431k
20,000 shares
-2%
26Weak
OSsell 310b5-1
OneStream, Inc.
Jonathan D Mariner
director
$156k
6,630 shares
-16%

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.

William A Koefoed sold $170k of OS | InsiderTell