John Kinzer - Dec 2, 2025 Form 4 Insider Report for OneStream, Inc. (OS)

Signature
/s/ Holly Koczot, attorney-in-fact
Stock symbol
OS
Transactions as of
Dec 2, 2025
Transactions value $
$0
Form type
4
Date filed
12/4/2025, 05:31 PM
Previous filing
Sep 22, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kinzer John Director, Strategic Advisor C/O ONESTREAM, INC., 191 N. CHESTER STREET, BIRMINGHAM /s/ Holly Koczot, attorney-in-fact 2025-12-04 0001621078

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OS Class A Common Stock Award $0 +94.6K +1326.89% $0.00 102K Dec 2, 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents an equal number of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock on the date it vests. The RSUs will vest in full on December 1, 2026, subject to the Reporting Person continuing to be a Service Provider through the vesting date. The RSUs were granted in connection with the Reporting Person's appointment as a strategic advisor to the Issuer effective as of December 2, 2025 and as interim chief financial officer effective as of January 1, 2026.
F2 The shares reported include unvested restricted stock units.