InsiderTrades

Form 4 for STUB StubHub Holdings, Inc.

Accepted 2026-03-19 00:00:00 ET · period of report 2026-03-17 · accession 0000902664-26-001694 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DI 2026-03-19 2026-03-17 STUB Tosi Laurence A 10% C - Cnv Deriv $23.50 +6.26M 37.99M +20% +$147.04M
DI 2026-03-19 2026-03-17 STUB Tosi Laurence A 10% C - Cnv Deriv $0.00 -133.7K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2026-03-17 C A 6,256,893 $23.50 37,991,583 I See footnotes — — (F1) 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"). (F3) 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.
2 Derivative Series O Preferred Stock, par value $0.001 per share 2026-03-17 C D 133,670 $0.00 0 I See footnotes $23.50 · — to — 6,256,893 Class A Common Stock (F2) The securities reported on this line were held directly by WestCap StubHub. (F3) 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. (F4) 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. (F5) The Series O Preferred Stock had no stated maturity.