WD 40 CO — Director's Dealing 2026

Feb 20, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WD 40 CO (WDFC)
CIK: 0000105132
Period of Report: 2026-02-18

Reporting Person: Plunk Ken Allen (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-18	Common Stock	A	515	—	Acquired	515	Direct

Footnotes

F1: Reporting person was appointed as a director to Issuer's Board of Directors effective February 18, 2026. Acquisition reported represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on June 16, 2025. This RSU award, which was granted effective February 18, 2026 and had an aggregate fair market value of approximately $125,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F2: Represents fully vested RSUs treated as common stock equivalents. Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.