William A Koefoed sold $413K of OneStream (OS)

Executed Dec 13 2024, disclosed Dec 17 2024, 4 days later.

Value, as filed

$413K

13,765 sh across 2 lots

Executed

Dec 13 2024

the trade date, as filed

Disclosed

Dec 17 2024

4 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 profile →

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 ticker → Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by William A Koefoed in OS

OSSALE OneStream, Inc. $170K
9,571 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. $250K
10,000 sh × $25.04
Exec Feb 18 2025
Filed Feb 20 2025 · 5:30 PM ET