WD 40 Co SEC filings WDFC
WD 40 Co has 1,001 filings in SEC EDGAR's recent list, going back to Oct 18, 2010. Its latest annual report, Form ARS, was filed on Oct 30, 2026 for the period ended Aug 31, 2026. The latest quarterly report (Form 10-Q) was filed on Jul 9, 2026, covering the quarter ended May 31, 2026. The most recent current report (Form 8-K) was filed on Oct 21, 2026 (results of operations). The company's fiscal year ends on August 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 3 | Initial insider ownership | Nov 6, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Oct 27, 2026 | Oct 26, 2026 |
| 4 | Insider transaction | Oct 27, 2026 | Oct 26, 2026 |
| 4 | Insider transaction | Oct 27, 2026 | Oct 26, 2026 |
| 4 | Insider transaction | Oct 27, 2026 | Oct 26, 2026 |
| 4 | Insider transaction | Oct 27, 2026 | Oct 26, 2026 |
| 4 | Insider transaction | Oct 27, 2026 | Oct 26, 2026 |
| 4 | Insider transaction | Oct 27, 2026 | Oct 26, 2026 |
| 4 | Insider transaction | Oct 13, 2026 | Oct 8, 2026 |
| 4 | Insider transaction | Oct 13, 2026 | Oct 8, 2026 |
| 4 | Insider transaction | Oct 13, 2026 | Oct 8, 2026 |
| 4 | Insider transaction | Oct 13, 2026 | Oct 8, 2026 |
| 4 | Insider transaction | Oct 13, 2026 | Oct 8, 2026 |
| 4 | Insider transaction | Oct 13, 2026 | Oct 8, 2026 |
| 4 | Insider transaction | Oct 13, 2026 | Oct 8, 2026 |
| 4 | Insider transaction | Aug 14, 2026 | Aug 13, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 144 | Notice of proposed sale | Aug 7, 2026 | — |
| 3 | Initial insider ownership | Jul 8, 2026 | Jun 29, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 3 | Initial insider ownership | Apr 6, 2026 | Apr 6, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Feb 19, 2026 | Feb 18, 2026 |
| 3 | Initial insider ownership | Feb 19, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Oct 30, 2025 | Oct 30, 2025 |
| 4 | Insider transaction | Oct 30, 2025 | Oct 30, 2025 |
| 4 | Insider transaction | Oct 29, 2025 | Oct 28, 2025 |
| 4 | Insider transaction | Oct 29, 2025 | Oct 28, 2025 |
| 4 | Insider transaction | Oct 29, 2025 | Oct 28, 2025 |
| 4 | Insider transaction | Oct 29, 2025 | Oct 27, 2025 |
| 4 | Insider transaction | Oct 29, 2025 | Oct 27, 2025 |
| 4 | Insider transaction | Oct 28, 2025 | Oct 27, 2025 |
| 4 | Insider transaction | Oct 28, 2025 | Oct 27, 2025 |
| 4 | Insider transaction | Oct 28, 2025 | Oct 27, 2025 |
| 4 | Insider transaction | Oct 28, 2025 | Oct 27, 2025 |
| 4 | Insider transaction | Oct 27, 2025 | Oct 27, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 17, 2025 | — |
| 4 | Insider transaction | Oct 10, 2025 | Oct 9, 2025 |
| 4 | Insider transaction | Oct 10, 2025 | Oct 9, 2025 |
| 4 | Insider transaction | Oct 10, 2025 | Oct 9, 2025 |
| 4 | Insider transaction | Oct 10, 2025 | Oct 9, 2025 |
| 4 | Insider transaction | Oct 10, 2025 | Oct 9, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| 4 | Insider transaction | Apr 15, 2025 | Apr 11, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Nov 14, 2024 | Nov 13, 2024 |
| 144 | Notice of proposed sale | Nov 13, 2024 | — |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 23, 2024 | Oct 22, 2024 |
| 144 | Notice of proposed sale | Oct 22, 2024 | — |
| 4 | Insider transaction | Oct 7, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | May 10, 2024 | May 9, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 16, 2024 |
| 4 | Insider transaction | Apr 12, 2024 | Apr 12, 2024 |
| 4 | Insider transaction | Feb 13, 2024 | Feb 12, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2024 | — |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Oct 26, 2023 | Oct 24, 2023 |
| 4 | Insider transaction | Oct 26, 2023 | Oct 24, 2023 |
| 4 | Insider transaction | Oct 26, 2023 | Oct 24, 2023 |
| 4 | Insider transaction | Oct 26, 2023 | Oct 24, 2023 |
| 4 | Insider transaction | Oct 26, 2023 | Oct 24, 2023 |
| 4 | Insider transaction | Oct 26, 2023 | Oct 24, 2023 |
| 4 | Insider transaction | Oct 10, 2023 | Oct 5, 2023 |
| 4 | Insider transaction | Oct 10, 2023 | Oct 5, 2023 |
| 4 | Insider transaction | Oct 10, 2023 | Oct 5, 2023 |
| 4 | Insider transaction | Oct 10, 2023 | Oct 5, 2023 |
| 4 | Insider transaction | Oct 10, 2023 | Oct 5, 2023 |
| 4 | Insider transaction | Oct 6, 2023 | Oct 5, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 144 | Notice of proposed sale | Jun 14, 2023 | — |
| 4 | Insider transaction | Apr 14, 2023 | Apr 13, 2023 |
| 4 | Insider transaction | Apr 14, 2023 | Apr 13, 2023 |
| 4 | Insider transaction | Apr 14, 2023 | Apr 13, 2023 |
| 4 | Insider transaction | Apr 14, 2023 | Apr 13, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2023 | — |
| 4 | Insider transaction | Feb 3, 2023 | Feb 2, 2023 |
| 4 | Insider transaction | Jan 19, 2023 | Jan 18, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 12, 2023 | — |
| 4/A | Form 4/a | Dec 15, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 15, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 15, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 15, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 15, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 15, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 15, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 14, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 14, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 14, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 14, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 14, 2022 | Dec 13, 2022 |
| 3 | Initial insider ownership | Dec 13, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Nov 15, 2022 | Nov 10, 2022 |
| 3 | Initial insider ownership | Nov 2, 2022 | Nov 1, 2022 |
| 4 | Insider transaction | Oct 27, 2022 | Oct 26, 2022 |
| 4 | Insider transaction | Oct 25, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 25, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 25, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 25, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 25, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 25, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 25, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 25, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 25, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 12, 2022 | Oct 10, 2022 |
| 4 | Insider transaction | Oct 12, 2022 | Oct 10, 2022 |
| 4 | Insider transaction | Oct 12, 2022 | Oct 10, 2022 |
| 4 | Insider transaction | Oct 12, 2022 | Oct 10, 2022 |
| 4 | Insider transaction | Oct 12, 2022 | Oct 10, 2022 |
| 4 | Insider transaction | Oct 12, 2022 | Oct 10, 2022 |
| 4 | Insider transaction | Oct 11, 2022 | Oct 10, 2022 |
| 4 | Insider transaction | Oct 11, 2022 | Oct 10, 2022 |
| 4 | Insider transaction | Aug 5, 2022 | Aug 4, 2022 |
| 3 | Initial insider ownership | Jun 28, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Mar 21, 2022 | Mar 21, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Jan 25, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 19, 2022 | — |
| 4 | Insider transaction | Dec 22, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 14, 2021 |
| 3 | Initial insider ownership | Dec 15, 2021 | Dec 13, 2021 |
| 4 | Insider transaction | Oct 26, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Oct 26, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Oct 26, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Oct 26, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Oct 26, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Oct 26, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Oct 26, 2021 | Oct 20, 2021 |
| 4 | Insider transaction | Oct 26, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Oct 14, 2021 | Oct 12, 2021 |
| 4 | Insider transaction | Oct 14, 2021 | Oct 12, 2021 |
| 4 | Insider transaction | Oct 14, 2021 | Oct 12, 2021 |
| 4 | Insider transaction | Oct 14, 2021 | Oct 12, 2021 |
| 4 | Insider transaction | Oct 14, 2021 | Oct 12, 2021 |
| 4 | Insider transaction | Oct 14, 2021 | Oct 12, 2021 |
| 4 | Insider transaction | Oct 14, 2021 | Oct 12, 2021 |
| 4 | Insider transaction | Oct 14, 2021 | Oct 12, 2021 |
| 4 | Insider transaction | Oct 14, 2021 | Oct 12, 2021 |
| 4 | Insider transaction | Jul 23, 2021 | Jul 22, 2021 |
| 4 | Insider transaction | Jul 21, 2021 | Jul 19, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 3, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| 4 | Insider transaction | Jan 27, 2021 | Jan 26, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 19, 2021 | — |
| 3 | Initial insider ownership | Dec 18, 2020 | Dec 8, 2020 |
| 4 | Insider transaction | Dec 10, 2020 | Dec 8, 2020 |
| 4 | Insider transaction | Dec 10, 2020 | Dec 8, 2020 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Miscellaneous Chemical Products (SIC 2890)
- Listed as
- WDFC (Nasdaq)
- Fiscal year ends
- August 31
- Incorporated in
- DE
- Headquarters
- San Diego, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 105132
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.