Company Analysis

Waters Corp (WAT)

NYSE: WAT · Laboratory Analytical Instruments · Milford, MA · filing with the SEC since 1996
Grade6.4
◀ Past 6.5● Present 6.9▶ Future 5.7

Filings

280 filings since 2017 beside 541 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 31 days after the quarter ended. The proxy statement was last filed Apr 9, 2026.

Filings a yearinsider forms included
7390927860618481
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 4 times in the last 36 months, the newest Aug 21, 2026.
Insider forms 541

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 10, 2026 10-Q Quarterly report Oct 3, 2026
Nov 3, 2026 8-K items 2.02, 9.01 Results released · Current report
Aug 21, 2026 8-K items 5.02, 8.01 Officer or director change; Other event · Current report Aug 17, 2026
Aug 11, 2026 10-Q Quarterly report Jul 4, 2026
Aug 4, 2026 8-K items 2.02, 9.01 Results released · Current report
Jun 25, 2026 11-K Employee plan annual report Dec 31, 2025
May 29, 2026 SD Conflict minerals report
May 22, 2026 8-K item 5.07 Shareholder vote · Current report May 21, 2026
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 12, 2026 10-Q Quarterly report Apr 4, 2026
May 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 30, 2026 SCHEDULE 13G Large holder notice
Apr 24, 2026 SCHEDULE 13G/A Large holder update, amended
Apr 9, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 9, 2026 DEFA14A Extra proxy material
Apr 9, 2026 DEF 14A Proxy statement May 21, 2026
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 23, 2026 8-K items 1.01, 2.03, 8.01, 9.01 Major agreement signed; New debt or obligation taken on; Other event · Current report
Mar 19, 2026 424B2 Offering prospectus, notes or structured products
Mar 17, 2026 FWP Offering communication
Mar 16, 2026 424B2 Offering prospectus, notes or structured products
Mar 16, 2026 S-3ASR Shelf registration
Mar 16, 2026 8-K items 8.01, 9.01 Other event · Current report
Feb 23, 2026 S-8 Employee stock plan registration
Feb 23, 2026 10-K Annual report Dec 31, 2025
Feb 9, 2026 8-K items 2.02, 9.01 Results released · Current report
Jan 27, 2026 8-K items 5.07, 7.01, 8.01, 9.01 Shareholder vote; Investor disclosure (Regulation FD); Other event · Current report
Jan 16, 2026 425 Merger communication
Jan 16, 2026 8-K item 8.01 Other event · Current report
Jan 13, 2026 425 Merger communication
Jan 12, 2026 425 Merger communication
Jan 12, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Jan 12, 2026 425 Merger communication
Jan 5, 2026 425 Merger communication
Dec 23, 2025 EFFECT Registration effective
Dec 23, 2025 424B3 Shelf offering
Dec 19, 2025 S-4/A Merger or exchange registration, amended
Dec 15, 2025 425 Merger communication
Dec 12, 2025 S-4 Merger or exchange registration
40 of 280 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton WAT · research, not advice