[144] OneStream, Inc. SEC Filing

Rhea-AI Filing Summary

OneStream, Inc. insider sale notice (Form 144) reports that Kenneth D. Hohenstein intends to sell 20,000 Class A shares on 08/18/2025 through Fidelity Brokerage Services LLC on NASDAQ, with an aggregate market value shown as $431,200 and 88,136,155 Class A shares outstanding. The filing shows the shares to be sold were acquired as an option granted 03/06/2023 and exercised/acquired on 08/18/2025 with payment in cash. The filer also disclosed four prior Class A sales by the same person in the past three months totalling 66,280 shares for gross proceeds of $1,798,661.79. The notice includes the standard representation that the seller is not aware of undisclosed material adverse information.

Insights

Securities Analyst

TL;DR: Insider disclosed a scheduled sale of 20,000 Class A shares and recent substantial sales totaling 66,280 shares.

The filing documents a proposed sale under Rule 144 by Kenneth D. Hohenstein of 20,000 Class A shares to be executed through Fidelity on NASDAQ with an indicated aggregate market value of $431,200. The securities were listed as acquired via an option granted on 03/06/2023 and dated 08/18/2025, with cash payment. Recent transactions show four sales in the past three months totaling 66,280 Class A shares for gross proceeds of $1,798,661.79. For investors, this provides transparent disclosure of insider liquidity events but does not include any company performance metrics or context about ownership percentage change.

Corporate Governance Expert

TL;DR: Routine Rule 144 disclosure of insider sales; compliance and timing details are clearly documented.

The Form 144 furnishes required particulars: broker name and address, number of shares to be sold, acquisition date and nature (option granted), payment method (cash), and recent sales history for the reporting person. The document contains the required seller certification about absence of undisclosed material adverse information. The filing is procedural and informative for governance oversight but does not by itself indicate company-level governance change or regulatory concern.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	20000	431200.00	88136155	08/18/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A	08/18/2025	Option Granted - 03/06/2023	Issuer			20000	08/18/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Kenneth D. Hohenstein 191 N. Chester Street Birmingham MI 48009	Class A	05/19/2025	20000	553400.00
Kenneth D. Hohenstein 191 N. Chester Street Birmingham MI 48009	Class A	06/11/2025	6280	177261.79
Kenneth D. Hohenstein 191 N. Chester Street Birmingham MI 48009	Class A	06/18/2025	20000	565600.00
Kenneth D. Hohenstein 191 N. Chester Street Birmingham MI 48009	Class A	07/18/2025	20000	502400.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)