DONALDSON Co INC SEC filings DCI
DONALDSON Co INC has 1,001 filings in SEC EDGAR's recent list, going back to Jan 15, 2016. Its latest annual report, Form 10-K, was filed on Sep 25, 2026 for the period ended Jul 31, 2026. The latest quarterly report (Form 10-Q) was filed on Jun 2, 2026, covering the quarter ended Apr 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (material agreement, new debt). The company's fiscal year ends on July 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 3 | Initial insider ownership | Nov 5, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Sep 28, 2026 | Sep 24, 2026 |
| 4 | Insider transaction | Sep 28, 2026 | Sep 24, 2026 |
| 4 | Insider transaction | Sep 28, 2026 | Sep 24, 2026 |
| 4 | Insider transaction | Sep 28, 2026 | Sep 24, 2026 |
| 4 | Insider transaction | Sep 10, 2026 | Sep 4, 2026 |
| 144 | Notice of proposed sale | Sep 4, 2026 | — |
| 4 | Insider transaction | Sep 1, 2026 | Aug 31, 2026 |
| 144 | Notice of proposed sale | Aug 31, 2026 | — |
| 4 | Insider transaction | Aug 28, 2026 | Aug 27, 2026 |
| 144 | Notice of proposed sale | Aug 27, 2026 | — |
| 144 | Notice of proposed sale | Aug 27, 2026 | — |
| 4 | Insider transaction | Jul 7, 2026 | Jul 3, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 3, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 3, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 3, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 4 | Insider transaction | Apr 14, 2026 | Apr 10, 2026 |
| 144 | Notice of proposed sale | Apr 14, 2026 | — |
| 144 | Notice of proposed sale | Apr 13, 2026 | — |
| 144 | Notice of proposed sale | Apr 10, 2026 | — |
| 4 | Insider transaction | Apr 6, 2026 | Apr 3, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 3, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 3, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 3, 2026 |
| 4 | Insider transaction | Mar 27, 2026 | Mar 26, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 144 | Notice of proposed sale | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 144 | Notice of proposed sale | Jan 29, 2026 | — |
| 144 | Notice of proposed sale | Jan 22, 2026 | — |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 144 | Notice of proposed sale | Jan 2, 2026 | — |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 10, 2025 | Dec 9, 2025 |
| 144 | Notice of proposed sale | Dec 9, 2025 | — |
| 4 | Insider transaction | Dec 8, 2025 | Dec 5, 2025 |
| 144 | Notice of proposed sale | Dec 5, 2025 | — |
| 3 | Initial insider ownership | Dec 1, 2025 | Nov 21, 2025 |
| 3/A | Form 3/a | Dec 1, 2025 | Sep 26, 2025 |
| 144 | Notice of proposed sale | Oct 15, 2025 | — |
| 4 | Insider transaction | Oct 6, 2025 | Oct 3, 2025 |
| 4 | Insider transaction | Oct 6, 2025 | Oct 3, 2025 |
| 4 | Insider transaction | Oct 6, 2025 | Oct 3, 2025 |
| 4 | Insider transaction | Oct 6, 2025 | Oct 3, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 3 | Initial insider ownership | Oct 1, 2025 | Sep 26, 2025 |
| 4 | Insider transaction | Sep 29, 2025 | Sep 25, 2025 |
| 4 | Insider transaction | Sep 29, 2025 | Sep 25, 2025 |
| 4 | Insider transaction | Sep 29, 2025 | Sep 25, 2025 |
| 4 | Insider transaction | Sep 29, 2025 | Sep 25, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 3, 2025 |
| 144 | Notice of proposed sale | Sep 3, 2025 | — |
| 4 | Insider transaction | Sep 2, 2025 | Aug 28, 2025 |
| 4 | Insider transaction | Sep 2, 2025 | Aug 28, 2025 |
| 4 | Insider transaction | Sep 2, 2025 | Aug 28, 2025 |
| 4 | Insider transaction | Sep 2, 2025 | Aug 28, 2025 |
| 144 | Notice of proposed sale | Aug 28, 2025 | — |
| 144 | Notice of proposed sale | Aug 28, 2025 | — |
| 144 | Notice of proposed sale | Aug 28, 2025 | — |
| 144 | Notice of proposed sale | Aug 28, 2025 | — |
| 4 | Insider transaction | Jul 10, 2025 | Jul 8, 2025 |
| 144 | Notice of proposed sale | Jul 10, 2025 | — |
| 144 | Notice of proposed sale | Jul 9, 2025 | — |
| 144 | Notice of proposed sale | Jul 8, 2025 | — |
| 4 | Insider transaction | Jul 8, 2025 | Jun 9, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 4, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 4, 2025 |
| 144 | Notice of proposed sale | Jun 4, 2025 | — |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 144 | Notice of proposed sale | Apr 10, 2025 | — |
| 4 | Insider transaction | Apr 7, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 17, 2025 |
| 144 | Notice of proposed sale | Mar 17, 2025 | — |
| 4 | Insider transaction | Mar 5, 2025 | Mar 5, 2025 |
| 144 | Notice of proposed sale | Mar 5, 2025 | — |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| 144 | Notice of proposed sale | Feb 28, 2025 | — |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 144 | Notice of proposed sale | Jan 2, 2025 | — |
| 144 | Notice of proposed sale | Jan 2, 2025 | — |
| 144 | Notice of proposed sale | Dec 11, 2024 | — |
| 4 | Insider transaction | Dec 9, 2024 | Dec 4, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 4, 2024 |
| 3 | Initial insider ownership | Nov 7, 2024 | Nov 1, 2024 |
| 4 | Insider transaction | Oct 9, 2024 | Oct 7, 2024 |
| 144 | Notice of proposed sale | Oct 8, 2024 | — |
| 4 | Insider transaction | Oct 8, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Oct 8, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Oct 8, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Oct 8, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Oct 8, 2024 | Oct 4, 2024 |
| 144 | Notice of proposed sale | Oct 7, 2024 | — |
| 144 | Notice of proposed sale | Oct 4, 2024 | — |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 3 | Initial insider ownership | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 27, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 27, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 27, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 27, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 27, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 27, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 27, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Sep 27, 2024 |
| 4 | Insider transaction | Sep 30, 2024 | Sep 27, 2024 |
| 144 | Notice of proposed sale | Sep 27, 2024 | — |
| 4 | Insider transaction | Sep 24, 2024 | Sep 20, 2024 |
| 144 | Notice of proposed sale | Sep 23, 2024 | — |
| 4 | Insider transaction | Sep 23, 2024 | Sep 19, 2024 |
| 4 | Insider transaction | Sep 23, 2024 | Sep 19, 2024 |
| 144 | Notice of proposed sale | Sep 20, 2024 | — |
| 144 | Notice of proposed sale | Sep 19, 2024 | — |
| 4 | Insider transaction | Sep 19, 2024 | Sep 17, 2024 |
| 144 | Notice of proposed sale | Sep 18, 2024 | — |
| 144 | Notice of proposed sale | Sep 17, 2024 | — |
| 4 | Insider transaction | Sep 5, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Jul 8, 2024 | Jul 5, 2024 |
| 4 | Insider transaction | Jul 8, 2024 | Jul 5, 2024 |
| 4 | Insider transaction | Jul 8, 2024 | Jul 5, 2024 |
| 4 | Insider transaction | Jul 8, 2024 | Jul 5, 2024 |
| 4 | Insider transaction | Jul 8, 2024 | Jul 5, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 2, 2024 |
| 144 | Notice of proposed sale | Jul 2, 2024 | — |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 11, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Apr 9, 2024 | Apr 5, 2024 |
| 4 | Insider transaction | Apr 9, 2024 | Apr 5, 2024 |
| 4 | Insider transaction | Apr 9, 2024 | Apr 5, 2024 |
| 4 | Insider transaction | Apr 9, 2024 | Apr 5, 2024 |
| 4 | Insider transaction | Apr 9, 2024 | Apr 5, 2024 |
| 4 | Insider transaction | Mar 21, 2024 | Mar 20, 2024 |
| 144 | Notice of proposed sale | Mar 20, 2024 | — |
| 144 | Notice of proposed sale | Mar 19, 2024 | — |
| 4 | Insider transaction | Mar 19, 2024 | Mar 18, 2024 |
| 144 | Notice of proposed sale | Mar 18, 2024 | — |
| 4 | Insider transaction | Mar 18, 2024 | Mar 15, 2024 |
| 144 | Notice of proposed sale | Mar 15, 2024 | — |
| 4 | Insider transaction | Mar 8, 2024 | Mar 7, 2024 |
| 144 | Notice of proposed sale | Mar 7, 2024 | — |
| 4 | Insider transaction | Mar 5, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Feb 29, 2024 |
| 144 | Notice of proposed sale | Mar 1, 2024 | — |
| 144 | Notice of proposed sale | Feb 29, 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) | Jan 25, 2024 | — |
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
- Industrial & Commercial Fans & Blowers & Air Purifing Equip (SIC 3564)
- Listed as
- DCI (NYSE)
- Fiscal year ends
- July 31
- Incorporated in
- DE
- Headquarters
- Bloomington, MN
- SEC filer status
- Large accelerated filer
- SEC CIK
- 29644
Other Industrial & Commercial Fans & Blowers & Air Purifing Equip companies
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- Fuel Tech, Inc. FTEK
- Kronos Advanced Technologies Inc KNOS
All 6 Industrial & Commercial Fans & Blowers & Air Purifing Equip companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.