Terrance Shea - 24 Jul 2024 Form 3 Insider Report for OneStream, Inc. (OS)

Role: 10%+ Owner
Signature: /s/ Terrance Shea
Issuer symbol: OS
Transactions as of: 24 Jul 2024
Net transactions value: $0
Form type: 3
Filing time: 24 Jul 2024, 20:44:16 UTC
Next filing: 29 Jul 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	OS	Class A Common Stock						484,830	24 Jul 2024	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	OS	Stock Option (right to buy)							24 Jul 2024	Class A Common Stock	32,143	$5.99	Direct	F1
holding	OS	Class D Common Stock							24 Jul 2024	Class A Common Stock	1,493,660	$0.000000	Direct	F2
holding	OS	Class D Common Stock							24 Jul 2024	Class A Common Stock	418,875	$0.000000	Terrance W. Shea Irrevocable Trust dated June 14, 2024	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	One-fourth of the shares subject to the option vested on March 1, 2022, and 1/48th of the shares subject to the option vest each month thereafter, subject to the Reporting Person continuing to be a service provider through the applicable vesting date.
F2	The Class D Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis. Each outstanding share of Class D Common Stock will automatically convert into one share of our Class A Common Stock on the first trading day following the seventh anniversary of the Issuer's initial public offering.
F3	Mr. Shea serves as the trustee of the Terrance W. Shea Irrevocable Trust dated June 14, 2024 and has sole voting and investment power over these shares.