Quaker HoughtonSEC Filings
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All SEC filings by Quaker Houghton (KWR) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.
Financials
| 10-Q | Quarterly report | View Diff | Jul 30, 2026 | |
| 10-Q | Quarterly report | View Diff | Apr 30, 2026 | |
| 10-K | Annual report | View Diff | Feb 23, 2026 | |
| 10-Q | Quarterly report | View Diff | Oct 30, 2025 | |
| 10-Q | Quarterly report | View Diff | Jul 31, 2025 | |
| 10-Q | Quarterly report | View Diff | May 1, 2025 | |
| 10-K | Annual report | View Diff | Feb 24, 2025 | |
| 10-Q | Quarterly report | View Diff | Oct 31, 2024 | |
| 10-Q | Quarterly report | View Diff | Aug 5, 2024 | |
| 10-Q | Quarterly report | View Diff | May 2, 2024 |
Events
| 8-K | News for Release Immediate | Oct 1, 2026 | ||
| 8-K | Current report | Sep 8, 2026 | ||
| 8-K | Quaker Houghton Announces Second Quarter 2026 Results | Jul 30, 2026 | ||
| 8-K | Current report | Jul 7, 2026 | ||
| 8-K | Quaker Houghton Announces Appointment of Mark A. Douglas as Chairman and Retirement of Michael F. Barry as Chairman and Director | May 15, 2026 | ||
| 8-K | Quaker Houghton Announces First Quarter 2026 Results | Apr 30, 2026 | ||
| 8-K | Quaker Houghton Announces Amended Credit Agreement; Extends Debt Maturities and Increases Available Credit | Apr 14, 2026 | ||
| 8-K | Departure of Directors or Certain Officers | Mar 12, 2026 | ||
| 8-K | Quaker Houghton Announces Fourth Quarter and Full Year 2025 Results | Feb 23, 2026 | ||
| 8-K | Quaker Houghton Announces Third Quarter 2025 Results | Oct 30, 2025 |
Registrations and Prospectuses
| S-3ASR | Automatic shelf registration | Jul 31, 2026 | ||
| S-3ASR | Automatic shelf registration | Jul 31, 2026 | ||
| S-8 | Registration of securities for employees | May 14, 2024 | ||
| S-3ASR | Automatic shelf registration | Aug 3, 2023 | ||
| S-3ASR | Automatic shelf registration | Aug 3, 2023 | ||
| S-8 | Registration of securities for employees | May 24, 2023 | ||
| S-8 POS | Registration of securities for employees (post-effective amendment) | May 24, 2023 | ||
| SC 13E3/A | Going private transaction | Feb 12, 2021 | ||
| S-8 POS | Registration of securities for employees (post-effective amendment) | Jun 15, 2020 | ||
| 424B7 | Prospectus with selling stockholder info | May 20, 2020 |
Proxies
| DEF 14A | Annual Meeting of Shareholders | View Diff | Mar 31, 2026 | |
| DEF 14A | Definitive proxy | View Diff | Mar 31, 2025 | |
| DEF 14A | Definitive proxy | View Diff | Mar 28, 2024 | |
| DEF 14A | Definitive proxy | View Diff | Mar 31, 2023 | |
| DEF 14A | Definitive proxy | View Diff | Mar 31, 2022 | |
| DEFA14A | Additional proxy soliciting materials | Apr 29, 2021 | ||
| DEF 14A | Definitive proxy | View Diff | Mar 31, 2021 | |
| DEFA14A | Additional proxy soliciting materials | Mar 31, 2020 | ||
| DEF 14A | Definitive proxy | View Diff | Mar 31, 2020 | |
| DEF 14A | Definitive proxy | View Diff | Mar 29, 2019 |
Other
| SD | Conflict minerals disclosure | May 28, 2026 | ||
| SD | Conflict minerals disclosure | May 29, 2025 | ||
| SD | Conflict minerals disclosure | May 31, 2024 | ||
| SD | Conflict minerals disclosure | May 31, 2023 | ||
| SD | Conflict minerals disclosure | May 31, 2022 | ||
| SD | Conflict minerals disclosure | May 27, 2021 | ||
| UPLOAD | Letter from SEC | Jul 31, 2017 | ||
| UPLOAD | Letter from SEC | Jul 28, 2017 | ||
| UPLOAD | Letter from SEC | Jul 6, 2017 | ||
| EFFECT | Notice of effectiveness | Feb 21, 2013 |
Ownership
| 4 | Gulf Hungary Holding Korlatolt Felelossegu Tarsasag | Aug 24, 2026 | ||
| SC 13D/A | Gulf Hungary Holding Korlatolt Felelossegu Tarsasag Updates Stake in Quaker Chemical Corp | Aug 24, 2026 | ||
| 4 | Bijlani Jeewat | Aug 11, 2026 | ||
| 4 | Osborne William H | Aug 6, 2026 | ||
| 4 | Coler Thomas | Jun 17, 2026 | ||
| 11-K | Annual report of employee stock purchases | Jun 12, 2026 | ||
| 4 | Foufopoulos - De Ridder Lucrece | Jun 3, 2026 | ||
| 4 | Foufopoulos - De Ridder Lucrece | Jun 2, 2026 | ||
| 4 | Douglas Mark | Jun 2, 2026 | ||
| 4 | West Fay | Jun 2, 2026 |