144 0001688472 XXXXXXXX LIVE 0001484778 ThredUp Inc. 001-40249 969 Broadway Suite 200 Oakland CA 94607 415-402-5202 Sean Sobers Officer Class A common stock 1 New York Plaza

8th Floor New York NY 10004

51220 380134.04 104273162 12/02/2025 NASDAQ Class A common stock 02/15/2023 Restricted Stock Issuer N 19033 02/15/2023 Compensation Class A common stock 02/26/2024 Restricted Stock Issuer N 18883 02/26/2024 Compensation Class A common stock 01/09/2025 Restricted Stock Issuer N 13304 01/09/2025 Compensation Y 12/02/2025 /s/ Sean Sobers