Form4insider filings, from the source

Company · CIK 0000105132 · SIC 2890 — Miscellaneous Chemical Products · Nasdaq

WD 40 CO · WDFC

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $117k · 2net −$117k
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 12Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 13, 2026 SForm 4 →Aug 14, 4:35 pm EDTPatricia Q OlsemDivision President, Americas200$234.72$46,9444,574−4.19%
Aug 10, 2026 SForm 4 →Aug 12, 5:41 pm EDTPatricia Q OlsemDivision President, Americas300$233.73$70,1194,774−5.91%

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.