Insider filing · OS
William A Koefoed sold $250K of OneStream (OS)
Executed Feb 18 2025, disclosed Feb 20 2025, 2 days later.
Value, as filed
$250K
10,000 sh × $25.04
Executed
Feb 18 2025
the trade date, as filed
Disclosed
Feb 20 2025
2 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
WK
William A Koefoed
Chief Financial Officer
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William A Koefoed (Chief Financial Officer) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in OS. The largest single filing was $170K of OS (9,571 sh × $17.73, as filed), executed Dec 15 2025.
The name
OS
OS
OS · 50 filings in 24 months
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Insider filings, newest first→
View the original filing at www.sec.gov→
Other filings by William A Koefoed in OS
OSSALE
OneStream, Inc.
$170K9,571 sh × $17.73
Exec Dec 15 2025
Filed Dec 16 2025 · 5:30 PM ET OSSALE OneStream, Inc. $170K
8,943 sh × $19.03
Exec Sep 15 2025
Filed Sep 16 2025 · 5:30 PM ET OSSALE OneStream, Inc. $625K
25,000 sh × $25.00
Exec Jul 25 2025
Filed Jul 28 2025 · 5:30 PM ET OSSALE OneStream, Inc. $669K
25,000 sh × $26.77
Exec Jun 25 2025
Filed Jun 27 2025 · 5:30 PM ET OSSALE OneStream, Inc. $261K
9,354 sh × $27.90
Exec Jun 16 2025
Filed Jun 18 2025 · 5:30 PM ET OSSALE OneStream, Inc. $184K
6,501 sh × $28.23
Exec Jun 11 2025
Filed Jun 12 2025 · 5:30 PM ET OSSALE OneStream, Inc. $719K
25,000 sh × $28.76
Exec May 27 2025
Filed May 29 2025 · 5:30 PM ET OSSALE OneStream, Inc. $266K
10,000 sh × $26.57
Exec Jan 15 2025
Filed Jan 17 2025 · 5:30 PM ET