WD 40 Co SEC filings WDFC
WD 40 Co has 1,000 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 |
|---|---|---|---|
| ARS | Annual report to shareholders | Oct 30, 2026 | Aug 31, 2026 |
| DEFA14A | Additional proxy material | Oct 30, 2026 | — |
| DEF 14A | Proxy statement | Oct 30, 2026 | Dec 11, 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 |
| 10-K | Annual report | Oct 26, 2026 | Aug 31, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 21, 2026 | Oct 21, 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 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 3, 2026 | Sep 1, 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 | — |
| 10-Q | Quarterly report | Jul 9, 2026 | May 31, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 9, 2026 | Jul 9, 2026 |
| 3 | Initial insider ownership | Jul 8, 2026 | Jun 29, 2026 |
| 8-K/A |
Amended current report
Officer or director change
|
Jun 25, 2026 | Jun 1, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 4, 2026 | Jun 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 10-Q | Quarterly report | Apr 9, 2026 | Feb 28, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 9, 2026 | Apr 9, 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 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 19, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 10-Q | Quarterly report | Jan 8, 2026 | Nov 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 8, 2026 | Jan 8, 2026 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Dec 16, 2025 | Dec 10, 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 | Dec 12, 2025 | Dec 12, 2025 |
| ARS | Annual report to shareholders | Oct 31, 2025 | Aug 31, 2025 |
| DEFA14A | Additional proxy material | Oct 31, 2025 | — |
| DEF 14A | Proxy statement | Oct 31, 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 |
| 10-K | Annual report | Oct 27, 2025 | Aug 31, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 22, 2025 | Oct 22, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 17, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Oct 14, 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 |
| 4 | Insider transaction | Oct 10, 2025 | Oct 9, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Sep 2, 2025 | Aug 29, 2025 |
| 10-Q | Quarterly report | Jul 10, 2025 | May 31, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 10, 2025 | Jul 10, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| 4 | Insider transaction | Apr 15, 2025 | Apr 11, 2025 |
| 10-Q | Quarterly report | Apr 9, 2025 | Feb 28, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 8, 2025 | Apr 8, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| 10-Q | Quarterly report | Jan 10, 2025 | Nov 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 10, 2025 | Jan 10, 2025 |
| 8-K/A |
Amended current report
Other events
|
Jan 7, 2025 | Dec 11, 2024 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Dec 16, 2024 | Dec 11, 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 | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Nov 14, 2024 | Nov 13, 2024 |
| 144 | Notice of proposed sale | Nov 13, 2024 | — |
| ARS | Annual report to shareholders | Nov 8, 2024 | Aug 31, 2024 |
| DEFA14A | Additional proxy material | Nov 8, 2024 | — |
| DEF 14A | Proxy statement | Nov 8, 2024 | Dec 12, 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 | — |
| 10-K | Annual report | Oct 21, 2024 | Aug 31, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 17, 2024 | Oct 17, 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 |
| 10-Q | Quarterly report | Jul 10, 2024 | May 31, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 10, 2024 | Jul 10, 2024 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
|
Jun 20, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | May 10, 2024 | May 9, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
May 2, 2024 | Apr 30, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 16, 2024 |
| 4 | Insider transaction | Apr 12, 2024 | Apr 12, 2024 |
| S-8 | Employee stock plan registration | Apr 10, 2024 | — |
| 10-Q | Quarterly report | Apr 9, 2024 | Feb 29, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 9, 2024 | Apr 9, 2024 |
| 8-K/A |
Amended current report
Material agreement, Regulation FD disclosure
|
Mar 7, 2024 | Mar 4, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Mar 4, 2024 | Mar 4, 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 | — |
| 10-Q | Quarterly report | Jan 9, 2024 | Nov 30, 2023 |
| 8-K |
Current report
Results of operations
|
Jan 9, 2024 | Jan 9, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Dec 18, 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 | Dec 13, 2023 | Dec 12, 2023 |
| ARS | Annual report to shareholders | Nov 2, 2023 | Aug 31, 2023 |
| DEFA14A | Additional proxy material | Nov 2, 2023 | — |
| DEF 14A | Proxy statement | Nov 2, 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 |
| 10-K | Annual report | Oct 23, 2023 | Aug 31, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 19, 2023 | Oct 19, 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 |
| 10-Q | Quarterly report | Jul 10, 2023 | May 31, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 10, 2023 | Jul 10, 2023 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Jun 23, 2023 | Jun 19, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 144 | Notice of proposed sale | Jun 14, 2023 | — |
| 8-K |
Current report
Officer or director change
|
May 1, 2023 | Apr 26, 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 |
| 10-Q | Quarterly report | Apr 6, 2023 | Feb 28, 2023 |
| 8-K |
Current report
Results of operations
|
Apr 6, 2023 | Apr 6, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 15, 2023 | Mar 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 | — |
| 10-Q | Quarterly report | Jan 9, 2023 | Nov 30, 2022 |
| 8-K |
Current report
Results of operations
|
Jan 9, 2023 | Jan 9, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Dec 15, 2022 | Dec 13, 2022 |
| 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 |
| DEFA14A | Additional proxy material | Nov 2, 2022 | — |
| DEF 14A | Proxy statement | Nov 2, 2022 | Dec 13, 2022 |
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.