Waters Corp /DE/ SEC filings WAT
Waters Corp /DE/ has 1,006 filings in SEC EDGAR's recent list, going back to Jan 5, 2015. Its latest annual report, Form ARS, was filed on Apr 9, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jul 4, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 3 | Initial insider ownership | Aug 31, 2026 | Aug 21, 2026 |
| 4 | Insider transaction | Aug 7, 2026 | Aug 6, 2026 |
| 144 | Notice of proposed sale | Aug 6, 2026 | — |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jun 25, 2026 | Jun 24, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 14, 2026 | May 12, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2026 | — |
| 4 | Insider transaction | Apr 7, 2026 | Apr 6, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 3 | Initial insider ownership | Feb 18, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 31, 2025 | — |
| 4 | Insider transaction | Oct 2, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Sep 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2025 | — |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jun 26, 2025 | Jun 24, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2025 | — |
| 4 | Insider transaction | May 14, 2025 | May 12, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 17, 2025 | — |
| 4 | Insider transaction | Apr 8, 2025 | Apr 7, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 1, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 5, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 5, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 5, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 5, 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 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 7, 2024 | — |
| 4/A | Primary document | Oct 25, 2024 | Feb 7, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Aug 15, 2024 | Aug 14, 2024 |
| 3 | Initial insider ownership | Aug 15, 2024 | Aug 14, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 28, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 28, 2024 |
| 4 | Insider transaction | Jun 25, 2024 | Jun 24, 2024 |
| 3 | Initial insider ownership | Jun 25, 2024 | Jun 24, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 10, 2024 | — |
| 4 | Insider transaction | May 29, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 144 | Notice of proposed sale | May 15, 2024 | — |
| 4 | Insider transaction | May 14, 2024 | May 13, 2024 |
| 4 | Insider transaction | Apr 8, 2024 | Apr 5, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 13, 2024 |
| 144 | Notice of proposed sale | Mar 13, 2024 | — |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2024 | — |
| 4/A | Primary document | Feb 9, 2024 | Feb 7, 2024 |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2024 | — |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 29, 2023 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 29, 2023 |
| 144 | Notice of proposed sale | Dec 15, 2023 | — |
| 144 | Notice of proposed sale | Dec 8, 2023 | — |
| 144 | Notice of proposed sale | Nov 15, 2023 | — |
| 4 | Insider transaction | Oct 11, 2023 | Oct 10, 2023 |
| 4 | Insider transaction | Oct 3, 2023 | Sep 30, 2023 |
| 4 | Insider transaction | Oct 3, 2023 | Sep 30, 2023 |
| 4 | Insider transaction | Sep 5, 2023 | Sep 1, 2023 |
| 4 | Insider transaction | Aug 7, 2023 | Aug 4, 2023 |
| 144 | Notice of proposed sale | Aug 4, 2023 | — |
| 4 | Insider transaction | Jul 5, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jul 5, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 12, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 3, 2023 |
| 4 | Insider transaction | Apr 6, 2023 | Apr 5, 2023 |
| 4 | Insider transaction | Apr 5, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Apr 5, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Apr 5, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Mar 29, 2023 | Mar 27, 2023 |
| 3 | Initial insider ownership | Mar 29, 2023 | Mar 27, 2023 |
| 4 | Insider transaction | Mar 2, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 1, 2023 | Feb 28, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2023 | — |
| 4 | Insider transaction | Feb 10, 2023 | Feb 8, 2023 |
| 4 | Insider transaction | Feb 10, 2023 | Feb 8, 2023 |
| 4 | Insider transaction | Feb 10, 2023 | Feb 8, 2023 |
| 4 | Insider transaction | Feb 10, 2023 | Feb 8, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2023 | — |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 4, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Jan 4, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Jan 4, 2023 | Dec 31, 2022 |
| 4/A | Primary document | Dec 8, 2022 | Nov 30, 2022 |
| 4 | Insider transaction | Dec 1, 2022 | Nov 30, 2022 |
| 4 | Insider transaction | Nov 28, 2022 | Nov 23, 2022 |
| 4 | Insider transaction | Nov 28, 2022 | Nov 23, 2022 |
| 3 | Initial insider ownership | Nov 23, 2022 | Nov 23, 2022 |
| 3 | Initial insider ownership | Nov 23, 2022 | Nov 23, 2022 |
| 4 | Insider transaction | Oct 11, 2022 | Oct 10, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Sep 30, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Sep 30, 2022 |
| 4 | Insider transaction | Oct 4, 2022 | Sep 30, 2022 |
| 4 | Insider transaction | Sep 2, 2022 | Sep 1, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Jun 30, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Jun 30, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Jun 30, 2022 |
| 4 | Insider transaction | May 23, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 13, 2022 | May 12, 2022 |
| 4/A | Primary document | May 9, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 9, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 4, 2022 | May 3, 2022 |
| 4 | Insider transaction | May 4, 2022 | May 3, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 8, 2022 | — |
| 4 | Insider transaction | Apr 6, 2022 | Apr 5, 2022 |
| 4 | Insider transaction | Apr 4, 2022 | Mar 31, 2022 |
| 4 | Insider transaction | Apr 4, 2022 | Mar 31, 2022 |
| 4 | Insider transaction | Apr 4, 2022 | Mar 31, 2022 |
| 4 | Insider transaction | Apr 4, 2022 | Mar 31, 2022 |
| 4 | Insider transaction | Mar 10, 2022 | Mar 9, 2022 |
| 4 | Insider transaction | Mar 2, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Mar 2, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 23, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 24, 2022 |
| 4 | Insider transaction | Feb 22, 2022 | Feb 17, 2022 |
| 4 | Insider transaction | Feb 22, 2022 | Feb 17, 2022 |
| 4 | Insider transaction | Feb 22, 2022 | Feb 17, 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
- Laboratory Analytical Instruments (SIC 3826)
- Listed as
- WAT (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Milford, MA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1000697
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.