X0306 4 2022-02-22 0 0001745041 IAA, Inc. IAA 0001778835 O'Day Timothy J. TWO WESTBROOK CORPORATE CENTER, SUITE 500 WESTCHESTER IL 60154 0 1 0 0 Chief Operating Officer Common Stock 2022-02-22 4 F 0 144 34.66 D 25398 D Represents shares of common stock withheld by the Issuer to pay tax withholding obligations of the Reporting Person upon the vesting of restricted stock units previously granted to the Reporting Person. Timothy J. O'Day /s/ Sidney Peryar as attorney-in-fact 2022-02-24