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 |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Nov 3, 2026 | Nov 3, 2026 |
| 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 |
| 8-K |
Current report
Officer or director change, Other events
|
Aug 21, 2026 | Aug 17, 2026 |
| 10-Q | Quarterly report | Aug 11, 2026 | Jul 4, 2026 |
| 4 | Insider transaction | Aug 7, 2026 | Aug 6, 2026 |
| 144 | Notice of proposed sale | Aug 6, 2026 | — |
| 8-K |
Current report
Results of operations
|
Aug 4, 2026 | Aug 4, 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 |
| 11-K | Employee savings plan report | Jun 25, 2026 | Dec 31, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2026 | May 21, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 14, 2026 | May 12, 2026 |
| 10-Q | Quarterly report | May 12, 2026 | Apr 4, 2026 |
| 8-K |
Current report
Results of operations
|
May 5, 2026 | May 5, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2026 | — |
| ARS | Annual report to shareholders | Apr 9, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 9, 2026 | — |
| DEF 14A | Proxy statement | Apr 9, 2026 | May 21, 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 | — |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Mar 23, 2026 | Mar 23, 2026 |
| 424B2 | Prospectus | Mar 19, 2026 | — |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| FWP | Free writing prospectus | Mar 17, 2026 | — |
| 424B2 | Prospectus | Mar 16, 2026 | — |
| S-3ASR | Automatic shelf registration | Mar 16, 2026 | — |
| 8-K |
Current report
Other events
|
Mar 16, 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 |
| S-8 | Employee stock plan registration | Feb 23, 2026 | — |
| 10-K | Annual report | Feb 23, 2026 | Dec 31, 2025 |
| 3 | Initial insider ownership | Feb 18, 2026 | Feb 9, 2026 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Officer or director change, Regulation FD disclosure
|
Feb 9, 2026 | Feb 9, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 9, 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 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure, Other events
|
Jan 27, 2026 | Jan 27, 2026 |
| 425 | Filing | Jan 16, 2026 | — |
| 8-K |
Current report
Other events
|
Jan 16, 2026 | Jan 16, 2026 |
| 425 | Filing | Jan 13, 2026 | — |
| 425 | Filing | Jan 12, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 12, 2026 | Jan 12, 2026 |
| 425 | Filing | Jan 12, 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 |
| 425 | Filing | Jan 5, 2026 | — |
| EFFECT | Filing | Dec 23, 2025 | — |
| 424B3 | Prospectus | Dec 23, 2025 | — |
| S-4/A | Filing | Dec 19, 2025 | — |
| 425 | Filing | Dec 15, 2025 | — |
| S-4 | Registration for a merger or exchange | Dec 12, 2025 | — |
| 425 | Filing | Nov 18, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 425 | Filing | Nov 10, 2025 | — |
| 425 | Filing | Nov 10, 2025 | — |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| 425 | Filing | Nov 4, 2025 | — |
| 10-Q | Quarterly report | Nov 4, 2025 | Sep 27, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2025 | Nov 4, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 31, 2025 | — |
| 425 | Filing | Oct 14, 2025 | — |
| 4 | Insider transaction | Oct 2, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Sep 30, 2025 |
| 425 | Filing | Sep 16, 2025 | — |
| 425 | Filing | Sep 4, 2025 | — |
| 425 | Filing | Aug 28, 2025 | — |
| 425 | Filing | Aug 21, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2025 | — |
| 425 | Filing | Aug 4, 2025 | — |
| 425 | Filing | Aug 4, 2025 | — |
| 10-Q | Quarterly report | Aug 4, 2025 | Jun 28, 2025 |
| 425 | Filing | Aug 4, 2025 | — |
| 8-K |
Current report
Results of operations
|
Aug 4, 2025 | Aug 4, 2025 |
| 425 | Filing | Jul 21, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 8-K |
Current report
Material agreement
|
Jul 14, 2025 | Jul 13, 2025 |
| 425 | Filing | Jul 14, 2025 | — |
| 425 | Filing | Jul 14, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 14, 2025 | Jul 14, 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 |
| 11-K | Employee savings plan report | Jun 24, 2025 | Dec 31, 2024 |
| S-8 | Employee stock plan registration | Jun 13, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| 8-K |
Current report
Material agreement, New debt
|
May 29, 2025 | May 22, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2025 | May 22, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2025 | — |
| 4 | Insider transaction | May 14, 2025 | May 12, 2025 |
| 10-Q | Quarterly report | May 6, 2025 | Mar 29, 2025 |
| 8-K |
Current report
Results of operations
|
May 6, 2025 | May 6, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 17, 2025 | — |
| ARS | Annual report to shareholders | Apr 9, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 9, 2025 | — |
| DEF 14A | Proxy statement | Apr 9, 2025 | May 22, 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 |
| 10-K | Annual report | Feb 25, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 12, 2025 | Feb 12, 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 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 13, 2025 | Jan 13, 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 | — |
| 8-K/A |
Amended current report
Officer or director change
|
Nov 1, 2024 | Aug 13, 2024 |
| 10-Q | Quarterly report | Nov 1, 2024 | Sep 28, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2024 | Nov 1, 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 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 14, 2024 | Aug 13, 2024 |
| 10-Q | Quarterly report | Jul 31, 2024 | Jun 29, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2024 | Jul 31, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 18, 2024 | Jul 12, 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 |
| 11-K | Employee savings plan report | Jun 20, 2024 | Dec 31, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 10, 2024 | — |
| 4 | Insider transaction | May 29, 2024 | May 28, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
May 24, 2024 | May 23, 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 |
| 10-Q | Quarterly report | May 7, 2024 | Mar 30, 2024 |
| 8-K |
Current report
Results of operations
|
May 7, 2024 | May 7, 2024 |
| ARS | Annual report to shareholders | Apr 12, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 12, 2024 | — |
| DEF 14A | Proxy statement | Apr 12, 2024 | May 23, 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 |
| PRE 14A | Preliminary proxy statement | Mar 27, 2024 | May 23, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 13, 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
- 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.