X0306 4 2020-01-22 0 0000105132 WD 40 CO WDFC 0001691913 Brass Steven A WD-40 COMPANY 9715 BUSINESSPARK AVENUE SAN DIEGO CA 92131 0 1 0 0 President & COO Common Stock 2020-01-22 4 S 0 677 189.14 D 6165 D Total includes 2,434 Restricted Stock Units, all of which are subject to future vesting and 108 vested Deferred Performance Units (Common Stock equivalents). Richard T. Clampitt, as attorney-in-fact for Steven A. Brass 2020-01-23