# EDGAR Filing Document

**Accession Number:** 0001838470
**File Stem:** 0000902664-26-001694
**Filing Date:** 2026-3
**Character Count:** 11698
**Document Hash:** 7a2210f9e159843c1208b1835e46986e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000902664-26-001694.hdr.sgml**: 20260319

**ACCESSION NUMBER**: 0000902664-26-001694

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260317

**FILED AS OF DATE**: 20260319

**DATE AS OF CHANGE**: 20260319

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Tosi Laurence A
- **CENTRAL INDEX KEY:** 0001307496

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42846
- **FILM NUMBER:** 26773274

**MAIL ADDRESS:**
- **STREET 1:** 590 PACIFIC AVE.
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94133
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** WestCap Management, LLC
- **CENTRAL INDEX KEY:** 0001838470

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42846
- **FILM NUMBER:** 26773275

**BUSINESS ADDRESS:**
- **STREET 1:** 590 PACIFIC AVENUE
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94133
- **BUSINESS PHONE:** (646) 645-4356

**MAIL ADDRESS:**
- **STREET 1:** 590 PACIFIC AVENUE
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94133
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** WestCap Stub Holdco 2024, LLC
- **CENTRAL INDEX KEY:** 0002084496

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42846
- **FILM NUMBER:** 26773273

**BUSINESS ADDRESS:**
- **STREET 1:** 590 PACIFIC AVENUE
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94133
- **BUSINESS PHONE:** 646-645-4356

**MAIL ADDRESS:**
- **STREET 1:** 590 PACIFIC AVENUE
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94133
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** WestCap StubHub Opportunity Fund Preferred, LLC
- **CENTRAL INDEX KEY:** 0002084123

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42846
- **FILM NUMBER:** 26773272

**BUSINESS ADDRESS:**
- **STREET 1:** 590 PACIFIC AVE
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94133
- **BUSINESS PHONE:** 646-645-4356

**MAIL ADDRESS:**
- **STREET 1:** 590 PACIFIC AVE
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94133
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** StubHub Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001337634
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-MISCELLANEOUS AMUSEMENT & RECREATION [7990]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 202082924
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 175 GREENWICH STREET
- **STREET 2:** 59TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10007
- **BUSINESS PHONE:** (888) 977-5364

**MAIL ADDRESS:**
- **STREET 1:** 175 GREENWICH STREET
- **STREET 2:** 59TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10007

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Pugnacious Endeavors Inc
- **DATE OF NAME CHANGE:** 20050831

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>WestCap Management, LLC<br><sub>(Last) (First) (Middle)</sub><br>590 PACIFIC AVENUE<br><sub>(Street)</sub><br>SAN FRANCISCO, CA 94133<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-17 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>StubHub Holdings, Inc. [ STUB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Tosi Laurence A<br><sub>(Last) (First) (Middle)</sub><br>590 PACIFIC AVE.<br><sub>(Street)</sub><br>SAN FRANCISCO, CA 94133<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-17 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>StubHub Holdings, Inc. [ STUB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>WestCap Stub Holdco 2024, LLC<br><sub>(Last) (First) (Middle)</sub><br>590 PACIFIC AVENUE<br><sub>(Street)</sub><br>SAN FRANCISCO, CA 94133<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-17 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>StubHub Holdings, Inc. [ STUB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>WestCap StubHub Opportunity Fund Preferred, LLC<br><sub>(Last) (First) (Middle)</sub><br>590 PACIFIC AVE<br><sub>(Street)</sub><br>SAN FRANCISCO, CA 94133<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-17 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>StubHub Holdings, Inc. [ STUB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 2026-03-17 |  | C |  | 6256893 | A | $23.50 | 37991583 | I | See footnotes<sup>(1)(3)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Series O Preferred Stock, par value $0.001 per share | $23.50 | 2026-03-17 |  | C |  |  | 133670 | <sup>(4)</sup> | <sup>(5)</sup> | Class A Common Stock | 6256893 | $0 | 0 | I | See footnotes<sup>(2)(3)</sup> |

---

### Footnotes:

(1) The securities reported on this line are held directly by WestCap Stub Holdco 2024, LLC ("WestCap Stub") and WestCap StubHub Opportunity Fund Preferred, LLC ("WestCap StubHub").

(2) The securities reported on this line were held directly by WestCap StubHub.

(3) WestCap Management, LLC ("WestCap") is the managing member of WestCap Stub and 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.

(4) The Series O Preferred Stock automatically converted into Class A Common Stock, par value $0.001 per share ("Class A Common Stock") on March 17, 2026, the date that is 180 days after the closing on September 18, 2025 of the issuer's initial public offering.

(5) The Series O Preferred Stock had no stated maturity.

**Signature:** WestCap Management, LLC, By: Laurence A. Tosi, its Managing Member /s/ Laurence A. Tosi  
**Date:** 2026-03-19

**Signature:** Laurence A. Tosi /s/ Laurence A. Tosi  
**Date:** 2026-03-19

**Signature:** WestCap Stub Holdco 2024, LLC, By: WestCap Management, LLC, its Manager, By: Laurence A. Tosi, its Managing Member /s/ Laurence A. Tosi  
**Date:** 2026-03-19

**Signature:** WestCap StubHub Opportunity Fund Preferred, LLC, By: WestCap Management, LLC, its Manager, By: Laurence A. Tosi, its Managing Member /s/ Laurence A. Tosi  
**Date:** 2026-03-19

### Remarks:

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.**