CIK 0000105132 · Large accelerated filer
WD 40 CO
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- WDFC
- Exchange
- Nasdaq
- Industry
- Miscellaneous Chemical Products
- FY end
- Aug 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 951797918
- Phone
- 6192751400
- Business address
- 9715 BUSINESSPARK AVENUE, SAN DIEGO, CA, 92131
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-10-26 | Olsem Patricia Q Division President, Americas | Shares withheld for taxes | −332 | 5,296 | ||
| 2026-10-26 | Brass Steven A CEO and President | Shares withheld for taxes | −3,101 | 40,517 | ||
| 2026-10-26 | KIAMILEV PHENIX Q. VP, GC & Chief Compliance Ofcr | Shares withheld for taxes | −293 | 5,117 | ||
| 2026-10-26 | LINDEMAN JEFFREY G VP, Chief People, Cult. & Cap. | Shares withheld for taxes | −269 | 5,649 | ||
| 2026-10-26 | CLOEZ CHRISTOPHE PAUL Managing Director, EIMEA | Shares withheld for taxes | −183 | 5,617 | ||
| 2026-10-26 | HYZER SARA KATHLEEN VP, Finance & CFO | Shares withheld for taxes | −693 | 7,217 | ||
| 2026-10-26 | GIORDANO NICHOLAS DANIEL VP, Corporate Controller & CAO | Shares withheld for taxes | −34 | 563 | ||
| 2026-10-08 | GIORDANO NICHOLAS DANIEL VP, Corporate Controller & CAO | Grant or award | +257 | 597 | ||
| 2026-10-08 | Brass Steven A CEO and President | Grant or award | +9,808 | 40,971 | ||
| 2026-10-08 | CLOEZ CHRISTOPHE PAUL Managing Director, EIMEA | Grant or award | +1,103 | 5,588 | ||
| 2026-10-08 | Olsem Patricia Q Division President, Americas | Grant or award | +1,054 | 5,628 | ||
| 2026-10-08 | HYZER SARA KATHLEEN VP, Finance & CFO | Grant or award | +1,961 | 7,910 | ||
| 2026-10-08 | LINDEMAN JEFFREY G VP, Chief People, Cult. & Cap. | Grant or award | +1,005 | 5,631 | ||
| 2026-10-08 | KIAMILEV PHENIX Q. VP, GC & Chief Compliance Ofcr | Grant or award | +1,103 | 5,410 | ||
| 2026-08-13 | Olsem Patricia Q Division President, Americas | Sale | −200 | $234.72 | $47K | 4,574 |
| 2026-08-10 | Olsem Patricia Q Division President, Americas | Sale | −300 | $233.73 | $70K | 4,774 |
| 2026-02-18 | Plunk Ken Allen Director | Grant or award | +515 | 515 | ||
| 2026-02-05 | PENDARVIS DAVID Director | Purchase | +424 | $247.15 | $105K | 6,898 |
| 2025-12-12 | Magee Edward O Jr Director | Grant or award | +612 | 2,613 | ||
| 2025-12-12 | Etchart Eric Director | Grant or award | +612 | 8,982 |
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