X0609 4 2026-10-26 0000105132 WD 40 CO WDFC 0002127440 CLOEZ CHRISTOPHE PAUL false C/O: WD-40 COMPANY 9715 BUSINESSPARK AVENUE SAN DIEGO CA 92131 true Managing Director, EIMEA false Common Stock 2026-10-26 4 F 0 183 D 5617 D Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 478 RSUs. Amount reported includes: (i) 1,729 unvested RSUs, (ii) 247 shares of restricted Common Stock received upon settlement of performance share units, and (iii) 94 vested deferred performance units or DPUs, which are Common Stock equivalents. Note: The total previously reported should have reflected 5,800 shares. Ann T. Nguyen, attorney-in-fact for Christophe P. Cloez 2026-10-27