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OneStream, Inc. Director's Dealing 2025

Sep 16, 2025

31088_dirs_2025-09-16_f87ebdaf-6170-483d-b659-9ffa79845d41.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OneStream, Inc. (OS)
CIK: 0001889956
Period of Report: 2025-09-15

Reporting Person: Koefoed William A (N/A)

Non-Derivative Transactions

Date Security Code Shares Price A/D Holdings After Ownership
2025-09-15 Class A Common Stock S 8943 $19.03 Disposed 221983 Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 21, 2025.

F2: The shares reported include unvested restricted stock units.