SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
Shea Terrance

(Last) (First) (Middle)
C/O ONESTREAM, INC.
191 N. CHESTER STREET

(Street)
BIRMINGHAM MI 48009

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
07/24/2024
3. Issuer Name and Ticker or Trading Symbol
OneStream, Inc. [ OS ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director checkbox checked 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
checkbox checked Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Common Stock 484,830 D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) (1) 03/02/2031 Class A Common Stock 32,143 5.99 D
Class D Common Stock (2) (2) Class A Common Stock 1,493,660 0 D
Class D Common Stock (2) (2) Class A Common Stock 418,875 0 I Terrance W. Shea Irrevocable Trust dated June 14, 2024(3)
Explanation of Responses:
1. 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.
2. 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.
3. 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.
/s/ Terrance Shea 07/24/2024
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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