Quaker Chemical Corp SEC filings KWR
Quaker Chemical Corp has 1,000 filings in SEC EDGAR's recent list, going back to Feb 12, 2015. Its latest annual report, Form 10-K, was filed on Feb 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 19, 2026 | Oct 15, 2026 |
| 4 | Insider transaction | Aug 24, 2026 | Aug 20, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 24, 2026 | — |
| 4 | Insider transaction | Aug 11, 2026 | Aug 7, 2026 |
| 4 | Insider transaction | Aug 6, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 31, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 31, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 31, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 31, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 31, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 31, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 31, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 31, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 31, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 26, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 28, 2026 | — |
| 4 | Insider transaction | May 28, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 28, 2026 | May 26, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 4/A | Form 4/a | Apr 1, 2026 | Mar 15, 2026 |
| 4/A | Form 4/a | Apr 1, 2026 | Mar 15, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Feb 12, 2026 | Feb 10, 2026 |
| 4 | Insider transaction | Jan 20, 2026 | Jan 15, 2026 |
| 3 | Initial insider ownership | Jan 9, 2026 | Jan 1, 2026 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Nov 28, 2025 | Nov 25, 2025 |
| 4 | Insider transaction | Nov 28, 2025 | Nov 25, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 28, 2025 | — |
| 144 | Notice of proposed sale | Nov 25, 2025 | — |
| 4 | Insider transaction | Oct 17, 2025 | Oct 15, 2025 |
| 4 | Insider transaction | Oct 17, 2025 | Oct 15, 2025 |
| 3 | Initial insider ownership | Oct 2, 2025 | Oct 1, 2025 |
| 3 | Initial insider ownership | Oct 2, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 3 | Initial insider ownership | Jul 31, 2025 | Jul 18, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 31, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 31, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 31, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 31, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 31, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 31, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 31, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 31, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 31, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 31, 2025 |
| 4 | Insider transaction | May 27, 2025 | May 22, 2025 |
| 4 | Insider transaction | May 27, 2025 | May 22, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 27, 2025 | — |
| 4 | Insider transaction | May 13, 2025 | May 9, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 28, 2025 | — |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 3 | Initial insider ownership | Mar 6, 2025 | Mar 1, 2025 |
| 3 | Initial insider ownership | Mar 6, 2025 | Mar 1, 2025 |
| 3 | Initial insider ownership | Mar 6, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 11, 2025 | — |
| 4 | Insider transaction | Feb 11, 2025 | Feb 7, 2025 |
| 4 | Insider transaction | Feb 11, 2025 | Feb 7, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 6, 2025 | — |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 3, 2025 | — |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| 3 | Initial insider ownership | Jan 31, 2025 | Jan 22, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 29, 2025 | — |
| 4 | Insider transaction | Jan 29, 2025 | Jan 27, 2025 |
| 4 | Insider transaction | Jan 29, 2025 | Jan 27, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 24, 2025 | — |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 21, 2025 | — |
| 4 | Insider transaction | Jan 21, 2025 | Jan 16, 2025 |
| 4 | Insider transaction | Jan 21, 2025 | Jan 16, 2025 |
| 4 | Insider transaction | Jan 17, 2025 | Jan 15, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 15, 2025 | — |
| 4 | Insider transaction | Jan 15, 2025 | Jan 13, 2025 |
| 4 | Insider transaction | Jan 15, 2025 | Jan 13, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 10, 2025 | — |
| 4 | Insider transaction | Jan 10, 2025 | Jan 8, 2025 |
| 4 | Insider transaction | Jan 10, 2025 | Jan 8, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 7, 2025 | — |
| 4 | Insider transaction | Jan 7, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 3, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 2, 2025 | — |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 27, 2024 | — |
| 4 | Insider transaction | Dec 27, 2024 | Dec 27, 2024 |
| 4 | Insider transaction | Dec 27, 2024 | Dec 27, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 26, 2024 | — |
| 4 | Insider transaction | Dec 26, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 23, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 20, 2024 | — |
| 4 | Insider transaction | Dec 20, 2024 | Dec 18, 2024 |
| 4 | Insider transaction | Dec 20, 2024 | Dec 18, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 17, 2024 | — |
| 4 | Insider transaction | Dec 17, 2024 | Dec 15, 2024 |
| 4 | Insider transaction | Dec 17, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 17, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 17, 2024 | Dec 15, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 12, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 9, 2024 | — |
| 4 | Insider transaction | Dec 9, 2024 | Dec 5, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 5, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 4, 2024 | — |
| 4 | Insider transaction | Dec 4, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 4, 2024 | Dec 2, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 27, 2024 | — |
| 4 | Insider transaction | Nov 27, 2024 | Nov 25, 2024 |
| 4 | Insider transaction | Nov 27, 2024 | Nov 25, 2024 |
| 4 | Insider transaction | Nov 26, 2024 | Nov 25, 2024 |
| 4 | Insider transaction | Nov 26, 2024 | Nov 22, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 26, 2024 | — |
| 4 | Insider transaction | Nov 26, 2024 | Nov 22, 2024 |
| 4 | Insider transaction | Nov 26, 2024 | Nov 22, 2024 |
| 144 | Notice of proposed sale | Nov 22, 2024 | — |
| 4 | Insider transaction | Aug 13, 2024 | Aug 9, 2024 |
| 144 | Notice of proposed sale | Aug 9, 2024 | — |
| 4 | Insider transaction | Aug 2, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 2, 2024 | Jul 31, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Jul 31, 2024 |
| 3 | Initial insider ownership | Aug 2, 2024 | Jul 31, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 15, 2024 |
| 3 | Initial insider ownership | Jun 17, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | May 24, 2024 | — |
| 4 | Insider transaction | May 24, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 24, 2024 | May 22, 2024 |
| 144 | Notice of proposed sale | May 22, 2024 | — |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Feb 29, 2024 | Feb 27, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 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 23, 2024 | — |
| 4 | Insider transaction | Jan 17, 2024 | Jan 15, 2024 |
| 3 | Initial insider ownership | Jan 12, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Dec 22, 2023 | Dec 20, 2023 |
| 4 | Insider transaction | Dec 18, 2023 | Dec 14, 2023 |
| 4 | Insider transaction | Dec 5, 2023 | Dec 1, 2023 |
| 4 | Insider transaction | Dec 5, 2023 | Dec 1, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 27, 2023 | — |
| 4 | Insider transaction | Nov 27, 2023 | Nov 22, 2023 |
| 4 | Insider transaction | Nov 27, 2023 | Nov 22, 2023 |
| 4/A | Ownership document | Nov 27, 2023 | Oct 13, 2023 |
| 4 | Insider transaction | Nov 15, 2023 | Nov 13, 2023 |
| 4 | Insider transaction | Oct 17, 2023 | Oct 13, 2023 |
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 Products of Petroleum & Coal (SIC 2990)
- Listed as
- KWR (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- PA
- Headquarters
- Conshohocken, PA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 81362
Source: SEC EDGAR filings. This is company-reported data, not investment advice.