Company Analysis

Middlesex Water Company (MSEX)

Nasdaq: MSEX · Water Supply · Iselin, NJ · filing with the SEC since 1995
Grade5.1
◀ Past 5.7● Present 5.6▶ Future 3.8
1 est.

Filings

255 filings since 2017 beside 294 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 29 days after the quarter ended. The proxy statement was last filed Apr 6, 2026.

Filings a yearinsider forms included
6948675852625545
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 7 times in the last 36 months, the newest Mar 26, 2026.Auditor change (8-K item 4.01): 1 time in the last 36 months, the newest Mar 4, 2025.A late-filing notice, Form NT 10-K, filed Mar 1, 2024.
Insider forms 294

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
Oct 29, 2026 10-Q Quarterly report Sep 30, 2026
Oct 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 30, 2026 10-Q Quarterly report Jun 30, 2026
Jul 30, 2026 8-K items 2.02, 9.01 Results released · Current report
May 20, 2026 8-K item 5.07 Shareholder vote · Current report May 19, 2026
Apr 30, 2026 SCHEDULE 13G Large holder notice
Apr 30, 2026 10-Q Quarterly report Mar 31, 2026
Apr 30, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 24, 2026 SCHEDULE 13G/A Large holder update, amended
Apr 6, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 6, 2026 DEFA14A Extra proxy material
Apr 6, 2026 DEF 14A Proxy statement May 19, 2026
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 26, 2026 8-K item 5.02 Officer or director change · Current report
Feb 24, 2026 8-K items 1.01, 9.01 Major agreement signed · Current report Feb 20, 2026
Feb 20, 2026 424B5 Shelf offering
Feb 19, 2026 10-K Annual report Dec 31, 2025
Feb 19, 2026 8-K items 2.02, 9.01 Results released · Current report
Dec 22, 2025 8-K items 5.02, 9.01 Officer or director change · Current report
Nov 14, 2025 SCHEDULE 13G/A Large holder update, amended
Oct 31, 2025 10-Q Quarterly report Sep 30, 2025
Oct 31, 2025 8-K items 2.02, 9.01 Results released · Current report
Oct 14, 2025 SCHEDULE 13G Large holder notice
Jul 31, 2025 10-Q Quarterly report Jun 30, 2025
Jul 31, 2025 8-K items 2.02, 9.01 Results released · Current report
Jul 29, 2025 424B5 Shelf offering
May 22, 2025 8-K items 5.07, 9.01 Shareholder vote · Current report
May 12, 2025 8-K items 1.01, 8.01, 9.01 Major agreement signed; Other event · Current report
May 12, 2025 424B5 Shelf offering
May 12, 2025 S-3ASR Shelf registration
May 1, 2025 10-Q Quarterly report Mar 31, 2025
May 1, 2025 8-K items 2.02, 9.01 Results released · Current report
Apr 17, 2025 SCHEDULE 13G/A Large holder update, amended
Apr 10, 2025 ARS Annual report to shareholders Dec 31, 2024
Apr 10, 2025 DEFA14A Extra proxy material
Apr 10, 2025 DEF 14A Proxy statement May 20, 2025
Mar 11, 2025 10-K/A Annual report, amended Dec 31, 2024
Mar 4, 2025 8-K items 4.01, 9.01 Auditor change · Current report Feb 28, 2025
Feb 28, 2025 10-K Annual report Dec 31, 2024
Feb 28, 2025 8-K items 2.02, 9.01 Results released · Current report
40 of 255 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 MSEX · research, not advice