SEC Form 4 · accession 0000105132-26-000065
WD 40 CO · WDFC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Patricia Q Olsem
Officer — Division President, Americas
Period of report
Aug 13, 2026
Accepted (ET)
Aug 14, 2026 · 4:35 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000105132
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 13, 2026 | S | 200 | $234.72 | D | 4,574 | D | |
| Common StockF2 | holding | — | — | — | 2,914 | I | By Trust |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Amount reported includes: (i) 1,842 unvested restricted stock units or RSUs, (ii) 644 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 89 vested deferred performance units or DPUs, which are Common Stock equivalents.
- F2Under the 2007 Olsem Family Trust, Reporting Person shares voting power and investment discretion with her spouse.