X0306 4 2022-06-06 0001825480 Poshmark, Inc. POSH 0001188390 MING JENNY J C/O POSHMARK, INC. 203 REDWOOD SHORES PARKWAY REDWOOD CITY CA 94065 1 Class A Common Stock 2022-06-06 4 C 0 1486 0 A 19819 D Restricted Stock Units 2022-06-06 4 M 0 1486 0 D 2026-06-03 Class B Common Stock 1486 0 D Class B Common Stock 2022-06-06 4 M 0 1486 0 A Class A Common Stock 1486 1486 D Class B Common Stock 2022-06-06 4 C 0 1486 0 D Class A Common Stock 1486 0 D Reflects the voluntary conversion of Class B Common Stock into Class A Common Stock. Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock. The units are subject to time- and performance-based vesting. The units shall satisfy the time-based vesting as to 33% of the units on June 4, 2020 and as to the remainder in eight quarterly installments thereafter, subject to the Reporting Person's continued board service to the Issuer through each such vesting date. The performance-based vesting condition was satisfied upon the Issuer's initial public offering (as defined in the Issuer's 2011 Stock Option and Grant Plan). Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the Reporting Person, and has no expiration date. /s/ Evan Ferl, Attorney-in-Fact 2022-06-07