Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Class B Common Stock^F2,F4	—	Aug 24, 2026	C	963,818	D	—	—	Class A Common Stock	963,818	8,861,375	I
Class B Common Stock^F5,F4	—	holding	—	—	—	—	—	Class A Common Stock	689,990	689,990	I

Explanation of responses

F1Conversion of a derivative security in accordance with its terms.
F2The shares are held by Benchmark Capital Partners VIII, L.P. ("BCP VIII"), as nominee for itself, Benchmark Founders' Fund VIII, L.P. ("BFF VIII") and Benchmark Founders' Fund VIII-B, L.P. ("BFF VIII-B"). Benchmark Capital Management Co. VIII, L.L.C. ("BCMC VIII"), the general partner of each of BCP VIII, BFF VIII and BFF VIII-B, may be deemed to have sole voting and dispositive power over such shares. Each entity disclaims the existence of a "group" and disclaims beneficial ownership of the securities, except to the extent of such entity's pecuniary interest in such securities.
F3Represents a pro-rata, in-kind distribution by BCP VIII and its affiliated funds, not for additional consideration, to its partners, including BCMC VIII and its respective members and assignees, in accordance with a Rule 10b5-1 trading plan adopted by the reporting person on May 14, 2026.
F4Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock.
F5The shares are held by Benchmark Capital Partners IX, L.P. ("BCP IX"), as nominee for itself, Benchmark Founders' Fund IX, L.P. ("BFF IX"), Benchmark Founders' Fund IX-A, L.P. ("BFF IX-A"), and Benchmark Founders' Fund IX-B, L.P. ("BFF IX-B"). Benchmark Capital Management Co. IX, L.L.C. ("BCMC IX"), the general partner of each of BCP IX, BFF IX, BFF IX-A and BFF IX-B, may be deemed to have sole voting and dispositive power over such shares. Each such entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities, except to the extent of such entity's pecuniary interest in such securities.

Remarks

This report is one of two reports, each on a separate Form 4, but relating to the same holdings being filed by entities affiliated with Benchmark.