Thomas Anthony Shea - Mar 10, 2025 Form 4 Insider Report for OneStream, Inc. (OS)

Role: Chief Executive Officer, Director, 10%+ Owner
Signature: /s/ Holly Koczot, attorney-in-fact
Stock symbol: OS
Transactions as of: Mar 10, 2025
Transactions value $: $0
Form type: 4
Date filed: 3/12/2025, 05:21 PM
Previous filing: Jul 24, 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OS	Class A Common Stock	Award	$0	+507K		$0.00	507K	Mar 10, 2025	Direct	F1

* 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 as to 1/16th of the shares subject to the RSUs on each Quarterly Vesting Date (defined below) beginning on June 10, 2025, subject to the Reporting Person continuing to be a service provider through such date. "Quarterly Vesting Date" means March 10, June 10, September 10 and December 10 of each year.

Content

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 as to 1/16th of the shares subject to the RSUs on each Quarterly Vesting Date (defined below) beginning on June 10, 2025, subject to the Reporting Person continuing to be a service provider through such date. "Quarterly Vesting Date" means March 10, June 10, September 10 and December 10 of each year.