144 0001849447 XXXXXXXX LIVE 0001484778 ThredUp Inc. 001-40249 969 Broadway Suite 200 Oakland CA 94607 415-402-5202 JAMES G REINHART Officer Director Class A common stock 1 New York Plaza

8th Floor New York NY 10004

198690 1474596.51 104273162 12/02/2025 NASDAQ Class A common stock 02/15/2023 Restricted Stock Issuer N 55364 02/15/2023 Compensation Class A common stock 02/26/2024 Restricted Stock Issuer N 85824 02/26/2024 Compensation Class A common stock 01/09/2025 Restricted Stock Issuer N 57502 01/09/2025 Compensation N JAMES G REINHART

969 Broadway Suite 200 Oakland CA 94607

Class A Common 11/07/2025 379826 3023779.83 JAMES G REINHART

969 Broadway Suite 200 Oakland CA 94607

Class A Common 11/07/2025 200000 1589840 12/02/2025 /s/ James Reinhart