X0306 4 2022-09-06 0 0001662774 Quince Therapeutics, Inc. QNCX 0001606905 Monohon Ted C/O QUINCE THERAPEUTICS, INC. 601 GATEWAY BLVD., SUITE 1250 SOUTH SAN FRANCISCO CA 94080 0 1 0 0 Chief Accounting Officer & VP Common Stock 2022-09-06 4 F 0 1520 1.64 D 30951 D Represents shares sold to satisfy tax withholding obligations that arose in connection with the vesting of 4,250 shares of Restricted Stock Units granted on March 3, 2022. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 23, 2022. /s/ Ted Monohon 2022-09-08