X0306 4 2022-02-10 0 0001745041 IAA, Inc. IAA 0001669069 Carlson Christopher TWO WESTBROOK CORPORATE CENTER, SUITE 500 WESTCHESTER IL 60154 0 1 0 0 VP and Corporate Controller Common Stock 2022-02-10 4 F 0 96 45.82 D 3093.8343 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. Christopher Carlson /s/ Sidney Peryar as attorney-in-fact 2022-02-14