X0609 4 2026-10-26 0000105132 WD 40 CO WDFC 0001836841 LINDEMAN JEFFREY G false C/O: WD-40 COMPANY 9715 BUSINESSPARK AVENUE SAN DIEGO CA 92131 true VP, Chief People, Cult. & Cap. false Common Stock 2026-10-26 4 F 0 269 D 5649 D Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 746 RSUs. Amount reported includes: (i) 1,773 unvested RSUs, (ii) 253 shares of restricted Common Stock received upon settlement of performance share units or PSUs, and (iii) 710 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. Note: The total previously reported should have reflected 5,918 shares. Ann T. Nguyen, attorney-in-fact for Jeffrey G. Lindeman 2026-10-27