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^*

Davidson Eric

(Last)

(First)

(Middle)

C/O ONESTREAM, INC.

191 N. CHESTER STREET

(Street)

BIRMINGHAM

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	X	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)

X	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	236,246	I	Eric M. Davidson Trust dated March 9, 2007⁽¹⁾
Class A Common Stock	127,618	I	Paul J. Brent, Trustee of the John P. Davidson Irrevocable Trust dated December 31, 2019⁽²⁾
Class A Common Stock	127,618	I	Paul J. Brent, Trustee of the Molly K. Davidson Irrevocable Trust dated December 31, 2019⁽²⁾
Class A Common Stock	127,618	I	Paul J. Brent, Trustee of the Owen R. Davidson Irrevocable Trust dated December 31, 2019⁽²⁾

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Class D Common Stock	⁽³⁾	⁽³⁾	Class A Common Stock	2,126,214	$0	I	Eric M. Davidson Trust dated March 9, 2007⁽¹⁾
Class D Common Stock	⁽³⁾	⁽³⁾	Class A Common Stock	1,148,557	$0	I	Paul J. Brent, Trustee of the John P. Davidson Irrevocable Trust dated December 31, 2019⁽²⁾
Class D Common Stock	⁽³⁾	⁽³⁾	Class A Common Stock	1,148,557	$0	I	Paul J. Brent, Trustee of the Molly K. Davidson Irrevocable Trust dated December 31, 2019⁽²⁾
Class D Common Stock	⁽³⁾	⁽³⁾	Class A Common Stock	1,148,557	$0	I	Paul J. Brent, Trustee of the Owen R. Davidson Irrevocable Trust dated December 31, 2019⁽²⁾

Explanation of Responses:

1. Mr. Davidson has sole voting and dispositive power.

2. Paul J. Brent has sole voting and investment power.

3. 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.

	/s/ Eric Davidson	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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.