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    Large owner Westcap Management, Llc converted options into 1,386,615 shares (SEC Form 4)

    9/18/25 5:29:10 PM ET
    $STUB
    Services-Misc. Amusement & Recreation
    Consumer Discretionary
    Get the next $STUB alert in real time by email
    SEC FORM 4 SEC Form 4
    FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
    or Section 30(h) of the Investment Company Act of 1940
    OMB APPROVAL
    OMB Number: 3235-0287
    Estimated average burden
    hours per response: 0.5
      
    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
      
    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
    1. Name and Address of Reporting Person*
    WestCap Management, LLC

    (Last) (First) (Middle)
    590 PACIFIC AVENUE

    (Street)
    SAN FRANCISCO CA 94133

    (City) (State) (Zip)
    2. Issuer Name and Ticker or Trading Symbol
    StubHub Holdings, Inc. [ STUB ]
    5. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    3. Date of Earliest Transaction (Month/Day/Year)
    09/16/2025
    4. If Amendment, Date of Original Filed (Month/Day/Year)
    6. Individual or Joint/Group Filing (Check Applicable Line)
    Form filed by One Reporting Person
    X Form filed by More than One Reporting Person
    Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
    1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
    Code V Amount (A) or (D) Price
    Class A Common Stock 09/16/2025 C 1,386,615 A $21.15 31,734,690 I See footnotes(1)(2)
    Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
    (e.g., puts, calls, warrants, options, convertible securities)
    1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
    Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
    Series I Preferred Stock, par value $0.001 per share $21.15 09/16/2025 C 20,000 (3) (4) Class A Common Stock 1,386,615 $0 0 I See footnotes(1)(2)
    1. Name and Address of Reporting Person*
    WestCap Management, LLC

    (Last) (First) (Middle)
    590 PACIFIC AVENUE

    (Street)
    SAN FRANCISCO CA 94133

    (City) (State) (Zip)

    Relationship of Reporting Person(s) to Issuer
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    1. Name and Address of Reporting Person*
    Tosi Laurence A

    (Last) (First) (Middle)
    590 PACIFIC AVE.

    (Street)
    SAN FRANCISCO CA 94133

    (City) (State) (Zip)

    Relationship of Reporting Person(s) to Issuer
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    1. Name and Address of Reporting Person*
    WestCap Stub Holdco 2024, LLC

    (Last) (First) (Middle)
    590 PACIFIC AVENUE

    (Street)
    SAN FRANCISCO CA 94133

    (City) (State) (Zip)

    Relationship of Reporting Person(s) to Issuer
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    1. Name and Address of Reporting Person*
    WestCap StubHub Opportunity Fund Preferred, LLC

    (Last) (First) (Middle)
    590 PACIFIC AVE

    (Street)
    SAN FRANCISCO CA 94133

    (City) (State) (Zip)

    Relationship of Reporting Person(s) to Issuer
    Director 10% Owner
    Officer (give title below) X Other (specify below)
    See Remarks
    Explanation of Responses:
    1. The securities reported on this line are held directly by WestCap Stub Holdco 2024, LLC ("WestCap Stub").
    2. WestCap Management, LLC ("WestCap") is the managing member of WestCap Stub and WestCap StubHub Opportunity Fund Preferred, LLC ("WestCap StubHub"). Laurence A. Tosi may be deemed to hold voting and investment control over the shares held by WestCap Stub and WestCap StubHub. Each Reporting Person expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein, if any.
    3. The Series I Preferred Stock automatically converted into Class A Common Stock, par value $0.001 per share ("Class A Common Stock") on September 16, 2025, the date of pricing of the issuer's initial public offering.
    4. The Series I Preferred Stock had no stated maturity.
    Remarks:
    WestCap StubHub holds shares of the issuer's Series O Preferred Stock.
    WestCap Management, LLC, By: Laurence A. Tosi, its Managing Member /s/ Laurence A. Tosi 09/18/2025
    Laurence A. Tosi /s/ Laurence A. Tosi 09/18/2025
    WestCap Stub Holdco 2024, LLC, By: WestCap Management, LLC, its Manager, By: Laurence A. Tosi, its Managing Member /s/ Laurence A. Tosi 09/18/2025
    WestCap StubHub Opportunity Fund Preferred, LLC, By: WestCap Management, LLC, its Manager, By: Laurence A. Tosi, its Managing Member /s/ Laurence A. Tosi 09/18/2025
    ** 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 4 (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.
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