• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
PublishGo to App
    Quantisnow Logo

    © 2026 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEWLLM Arena
    Legal
    Terms of usePrivacy policyCookie policy

    Amendment: SEC Form SCHEDULE 13G/A filed by OneStream Inc.

    2/13/25 5:49:27 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology
    Get the next $OS alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13G


    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    (Amendment No. 1)


    ONESTREAM, INC.

    (Name of Issuer)


    Class A common stock, $0.0001 par value per share

    (Title of Class of Securities)


    68278B107

    (CUSIP Number)


    12/31/2024

    (Date of Event Which Requires Filing of this Statement)


    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
    Checkbox not checked   Rule 13d-1(b)
    Checkbox not checked   Rule 13d-1(c)
    Checkbox checked   Rule 13d-1(d)






    SCHEDULE 13G

    CUSIP No.
    68278B107


    1Names of Reporting Persons

    William A. Koefoed
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    UNITED STATES
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    2,051,384.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    2,051,384.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    2,051,384.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    3.8 %
    12Type of Reporting Person (See Instructions)

    IN


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    ONESTREAM, INC.
    (b)Address of issuer's principal executive offices:

    191 N. Chester Street, Birmingham, MI, 48009.
    Item 2. 
    (a)Name of person filing:

    This statement is filed by William A. Koefoed, also referred to herein as the "Reporting Person."
    (b)Address or principal business office or, if none, residence:

    c/o OneStream, Inc. 191 N. Chester Street Birmingham, Michigan 48009
    (c)Citizenship:

    See response to Item 4 on the cover page.
    (d)Title of class of securities:

    Class A common stock, $0.0001 par value per share
    (e)CUSIP No.:

    68278B107
    Item 3.If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
    (a)Checkbox not checked   Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
    (b)Checkbox not checked   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
    (c)Checkbox not checked   Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
    (d)Checkbox not checked   Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
    (e)Checkbox not checked   An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
    (f)Checkbox not checked   An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
    (g)Checkbox not checked   A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
    (h)Checkbox not checked   A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
    (i)Checkbox not checked   A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
    (j)Checkbox not checked   A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
           please specify the type of institution:
    (k)Checkbox not checked   Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
     
    Item 4.Ownership
    (a)Amount beneficially owned:

    See response to Item 9 on the cover page hereto.
    (b)Percent of class:

    See response to Item 11 on the cover page hereto. Based on the quotient obtained by dividing (a) the aggregate amount beneficially owned by Mr. Koefoed as set forth in Item 9 on the cover page hereto by (b) the sum of (i) 51,456,091 shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), outstanding as of December 31, 2024; (ii) 1,446,049 shares of Class D common stock, par value $0.0001 per share ("Class D Common Stock"), issuable upon redemption or exchange of the Common Units of OneStream Software LLC ("Common Units"); and (iii) 605,335 shares of Class A Common Stock subject to options that are vested and exercisable within 60 days of December 31, 2024. The aggregate number of shares of Class D Common Stock beneficially owned by Mr. Koefoed, which are issuable upon redemption or exchange of Common Units as set forth in clause (ii) of this note, are treated as converted into Class A Common Stock only for the purpose of computing the percentage ownership of Mr. Koefoed.
    (c)Number of shares as to which the person has:
     (i) Sole power to vote or to direct the vote:

    See response to Item 5 on the cover page hereto. Such response represents (i) 1,270,924 shares of Class D Common Stock, held by Blazing Elk Management I, Inc., of which Mr. Koefoed is a partial owner and maintains control, issuable upon redemption or exchange of Common Units, together with the cancellation of an equal number of shares of Class C common stock, par value $0.0001 per share ("Class C Common Stock"); (ii) 175,125 shares of Class D Common Stock held by Blazing Elk Management II, Inc., of which Mr. Koefoed is a partial owner and maintains control, issuable upon redemption or exchange of Common Units, together with the cancellation of an equal number of shares of Class C Common Stock; and (iii) 605,335 shares of Class A Common Stock subject to options that are vested and exercisable within 60 days of December 31, 2024. Such response assumes conversion of Class D Common Stock beneficially owned by Mr. Koefoed, which shares are issuable upon redemption or exchange of Common Units, into Class A Common Stock. Each share of Class D Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock. In addition, each share of Class D Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of (i) any transfer, whether or not for value, except for certain transfers exempted by the Issuer's amended and restated certificate of incorporation, (ii) death or incapacity (if the holder is a natural person), and (iii) the first trading day following the seventh anniversary of the Issuer's initial public offering.

     (ii) Shared power to vote or to direct the vote:

    See response to Item 6 on the cover page hereto.

     (iii) Sole power to dispose or to direct the disposition of:

    See response to Item 7 on the cover page hereto. Such response represents (i) 1,270,924 shares of Class D Common Stock, held by Blazing Elk Management I, Inc., of which Mr. Koefoed is a partial owner and maintains control, issuable upon redemption or exchange of Common Units, together with the cancellation of an equal number of shares of Class C Common Stock; (ii) 175,125 shares of Class D Common Stock held by Blazing Elk Management II, Inc., of which Mr. Koefoed is a partial owner and maintains control, issuable upon redemption or exchange of Common Units, together with the cancellation of an equal number of shares of Class C Common Stock; and (iii) 605,335 shares of Class A Common Stock subject to options that are vested and exercisable within 60 days of December 31, 2024. Such response assumes conversion of Class D Common Stock beneficially owned by Mr. Koefoed, which shares are issuable upon redemption or exchange of Common Units, into Class A Common Stock. Each share of Class D Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock. In addition, each share of Class D Common Stock will convert automatically into one share of Class A Common Stock upon the earlier of (i) any transfer, whether or not for value, except for certain transfers exempted by the Issuer's amended and restated certificate of incorporation, (ii) death or incapacity (if the holder is a natural person), and (iii) the first trading day following the seventh anniversary of the Issuer's initial public offering.

     (iv) Shared power to dispose or to direct the disposition of:

    See response to Item 8 on the cover page hereto.

    Item 5.Ownership of 5 Percent or Less of a Class.
     
    Checkbox checked    Ownership of 5 percent or less of a class
    Item 6.Ownership of more than 5 Percent on Behalf of Another Person.
     
    Not Applicable
    Item 7.Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
     
    Not Applicable
    Item 8.Identification and Classification of Members of the Group.
     
    Not Applicable
    Item 9.Notice of Dissolution of Group.
     
    Not Applicable

    Item 10.Certifications:
     
    Not Applicable

        SIGNATURE 
     
    After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

     
    William A. Koefoed
     
    Signature:/s/ William A. Koefoed
    Name/Title:William A. Koefoed
    Date:02/13/2025
    Get the next $OS alert in real time by email

    Crush Q1 2026 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $OS

    DatePrice TargetRatingAnalyst
    12/17/2025$25.00Buy
    BTIG Research
    12/2/2025$26.00Buy
    Rosenblatt
    11/7/2025$24.00 → $25.00Outperform
    BMO Capital Markets
    8/8/2025$33.00 → $28.00Outperform
    BMO Capital Markets
    5/20/2025Outperform
    William Blair
    4/30/2025$30.00Outperform
    Mizuho
    4/22/2025$30.00Outperform
    Exane BNP Paribas
    3/19/2025$27.00Overweight
    Stephens
    More analyst ratings

    $OS
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Chief Revenue Officer Hohenstein Ken exercised 120,000 shares at a strike of $11.94 and sold $2,835,600 worth of shares (120,000 units at $23.63) (SEC Form 4)

    4 - OneStream, Inc. (0001889956) (Issuer)

    1/20/26 5:40:57 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    Chief Accounting Officer Mcintyre Pamela sold $153,388 worth of shares (6,505 units at $23.58), decreasing direct ownership by 10% to 58,847 units (SEC Form 4)

    4 - OneStream, Inc. (0001889956) (Issuer)

    1/9/26 6:18:27 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    Director Mariner Jonathan D sold $185,436 worth of shares (7,956 units at $23.31), decreasing direct ownership by 53% to 7,130 units (SEC Form 4)

    4 - OneStream, Inc. (0001889956) (Issuer)

    1/8/26 4:22:12 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    $OS
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    OneStream Named a Leader in the IDC MarketScape for Enterprise Planning, Budgeting, and Forecasting Applications Vendor Assessment

    OneStream customers achieve on average 27% improved forecast accuracy and 86% faster planning with AI purpose-built for Finance BIRMINGHAM, Mich., Feb. 5, 2026 /PRNewswire/ -- OneStream (NASDAQ:OS), the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core Finance and operational functions – including financial close, consolidation, reporting, planning and forecasting – has been recognized as a Leader in the IDC MarketScape: Worldwide Enterprise Planning, Budgeting, and Forecasting Applications 2026 Vendor Assessment. "The intro

    2/5/26 9:00:00 AM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    OneStream Announces Timing of its Fourth Quarter and Full-Year 2025 Financial Results

    BIRMINGHAM, Mich., Jan. 30, 2026 /PRNewswire/ -- OneStream, Inc. (NASDAQ:OS), the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core finance and operational functions – including financial close, consolidation, reporting, planning and forecasting, will report financial results for its fourth quarter ended December 31, 2025 and full-year 2025, after the market close on Thursday, February 26, 2026. In light of the definitive agreement to be acquired by Hg previously announced on January 6, 2026, OneStream will announce its fourt

    1/30/26 4:05:00 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    OneStream Enters into Definitive Agreement to be Acquired by Hg for $6.4 Billion

    Hg to Become Majority Shareholder, with Minority Investments from General Atlantic and Tidemark Shareholders to Receive $24.00 Per Share in Cash Transaction Represents a 31% Premium Over Closing Share Price on January 5, 2026 Partnership to Accelerate OneStream's AI Innovation and Scale for Office of the CFO BIRMINGHAM, Mich., Jan. 6, 2026 /PRNewswire/ -- OneStream, Inc. (NASDAQ:OS) ("OneStream" or the "Company"), the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core Finance and operational functions – including financial close, consolidation, reporting, planning and forecasting – today announced that it has entered into a definitive agreem

    1/6/26 1:47:00 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    $OS
    SEC Filings

    View All

    SEC Form SCHEDULE 13G filed by OneStream Inc.

    SCHEDULE 13G - OneStream, Inc. (0001889956) (Subject)

    2/9/26 4:47:08 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    Amendment: SEC Form SCHEDULE 13G/A filed by OneStream Inc.

    SCHEDULE 13G/A - OneStream, Inc. (0001889956) (Subject)

    1/26/26 10:43:45 AM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    OneStream Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement

    8-K - OneStream, Inc. (0001889956) (Filer)

    1/6/26 5:20:37 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    $OS
    Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

    View All

    BTIG Research initiated coverage on OneStream with a new price target

    BTIG Research initiated coverage of OneStream with a rating of Buy and set a new price target of $25.00

    12/17/25 9:24:30 AM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    Rosenblatt initiated coverage on OneStream with a new price target

    Rosenblatt initiated coverage of OneStream with a rating of Buy and set a new price target of $26.00

    12/2/25 8:28:50 AM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    BMO Capital Markets reiterated coverage on OneStream with a new price target

    BMO Capital Markets reiterated coverage of OneStream with a rating of Outperform and set a new price target of $25.00 from $24.00 previously

    11/7/25 7:46:33 AM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    $OS
    Leadership Updates

    Live Leadership Updates

    View All

    OneStream Announces Leadership Updates

    OneStream initiates CFO transition plan, appoints new President to accelerate AI leadership, creates new Chief Accounting Officer role BIRMINGHAM, Mich., Dec. 2, 2025 /PRNewswire/ -- OneStream, Inc. (NASDAQ:OS) ("OneStream" or the "Company"), the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core Finance and operational functions – including financial close, consolidation, reporting, planning and forecasting – today announced a CFO transition plan and the promotion of a new President, as well as additional leadership changes, as the Company prepares to begin its next chapter of growth and market expansion. 

    12/2/25 4:05:00 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    $OS
    Financials

    Live finance-specific insights

    View All

    OneStream Announces Timing of its Fourth Quarter and Full-Year 2025 Financial Results

    BIRMINGHAM, Mich., Jan. 30, 2026 /PRNewswire/ -- OneStream, Inc. (NASDAQ:OS), the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core finance and operational functions – including financial close, consolidation, reporting, planning and forecasting, will report financial results for its fourth quarter ended December 31, 2025 and full-year 2025, after the market close on Thursday, February 26, 2026. In light of the definitive agreement to be acquired by Hg previously announced on January 6, 2026, OneStream will announce its fourt

    1/30/26 4:05:00 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    OneStream Enters into Definitive Agreement to be Acquired by Hg for $6.4 Billion

    Hg to Become Majority Shareholder, with Minority Investments from General Atlantic and Tidemark Shareholders to Receive $24.00 Per Share in Cash Transaction Represents a 31% Premium Over Closing Share Price on January 5, 2026 Partnership to Accelerate OneStream's AI Innovation and Scale for Office of the CFO BIRMINGHAM, Mich., Jan. 6, 2026 /PRNewswire/ -- OneStream, Inc. (NASDAQ:OS) ("OneStream" or the "Company"), the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core Finance and operational functions – including financial close, consolidation, reporting, planning and forecasting – today announced that it has entered into a definitive agreem

    1/6/26 1:47:00 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    OneStream Announces Timing of its Third Quarter 2025 Financial Results

    BIRMINGHAM, Mich., Oct. 6, 2025 /PRNewswire/ -- OneStream, Inc. (NASDAQ:OS), the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core finance and operational functions – including financial close, consolidation, reporting, planning and forecasting, will report financial results for its third quarter ended September 30, 2025, after the market close on Thursday, November 6, 2025. OneStream will host a conference call and webcast that day at 4:30 p.m. ET / 1:30 p.m. PT to discuss its financial results. Event: OneStream's Third Quar

    10/6/25 4:30:00 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    $OS
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    SEC Form SC 13G filed by OneStream Inc.

    SC 13G - OneStream, Inc. (0001889956) (Subject)

    12/9/24 11:10:03 AM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    Amendment: SEC Form SC 13G/A filed by OneStream Inc.

    SC 13G/A - OneStream, Inc. (0001889956) (Subject)

    11/14/24 1:28:35 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology

    SEC Form SC 13G filed by OneStream Inc.

    SC 13G - OneStream, Inc. (0001889956) (Subject)

    11/13/24 7:11:12 PM ET
    $OS
    Computer Software: Prepackaged Software
    Technology