MSEX MIDDLESEX WATER COcompanySEC Filings & Insider Trading Activity 2026
Latest MIDDLESEX WATER CO (MSEX) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on February 19, 2026, a 10-Q quarterly report filed on October 31, 2025, an 8-K current report filed on April 30, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for MIDDLESEX WATER CO (MSEX) (SEC CIK 66004), with AI-powered section-by-section summaries updated daily.
Latest 2026 SEC Filing Dates
AI 10-K Annual Report AnalysisLatest 10-K (2025-12-31)
Business Overview
- • Core business model: Water utility services primarily focused on regulated water supply and wastewater operations
- • No new products, services, or segments introduced or emphasized this year
Risk Factors
- • Compliance risk under Federal Safe Drinking Water Act and NJDEP regulations with potential fines and remediation costs from contamination or water quality violations
- • Concentration risk in New Jersey and Delaware markets with exposure to local regulatory, economic, demographic, and weather conditions impacting revenues
Management Discussion & Analysis
- • Revenue $194.7M in 2025, up $2.8M YoY; regulated up mainly from Middlesex +$1.5M and Tidewater +$1.6M, non-regulated down $0.6M
- • Operating margin 27.9% in 2025 vs 27.7% in 2024 (Operating income $54.4M/$194.7M vs $53.2M/$191.9M)
AI 10-Q Quarterly Report AnalysisLatest 10-Q (2025-09-30)
Risk Factors
- • New regulatory risk: USEPA finalized PFAS limits April 2024 requiring compliance monitoring by April 2027 and treatment by April 2029 with potential 2031 extension
- • Materially updated legal risk: Received $1.1 million PFAS MDL settlement payments in Q3 2025 recorded as regulatory liability pending approvals
AI 8-K Current Report AnalysisRecent 8-K Filings
Item 1.01: Entry into a Material Definitive Agreement
- • ATM equity offering program capped at $110M — ongoing share sales at prevailing market prices, no new capital raise announced
- • Agent swap: Janney Montgomery Scott removed, Huntington Securities added as sales agent; BofA and Baird remain
Annual Reports Archive10-K
AI-powered analysis of MIDDLESEX WATER CO (MSEX) 10-K annual reports filed with SEC EDGAR.
Quarterly Reports Archive10-Q
AI-powered analysis of MIDDLESEX WATER CO (MSEX) 10-Q quarterly reports filed with SEC EDGAR.
Recent 8-K FilingsCurrent Reports
AI-powered analysis of MIDDLESEX WATER CO (MSEX) 8-K current reports disclosing material events.
Financial SummaryXBRL
| FY2022 | FY2023 | FY2024 | FY2025 | |
|---|---|---|---|---|
| Profitability | ||||
| Revenue | $162.3M | $166.3M | $191.9M | $194.7M |
| Operating Income | $47.3M | $39.2M | $53.2M | $54.4M |
| Net Income | $42.4M | $31.5M | $44.4M | $42.8M |
| Op. Margin | 29.2% | 23.6% | 27.7% | 27.9% |
| Net Margin | 26.1% | 19.0% | 23.1% | 22.0% |
| Balance Sheet | ||||
| Total Assets | $1.1B | $1.2B | $1.3B | $1.4B |
| Equity | $400.3M | $423.0M | $445.3M | $494.0M |
| ROE | 10.6% | 7.5% | 10.0% | 8.7% |
Source: XBRL financial data from MIDDLESEX WATER CO (MSEX) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.
Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4
| Form | Filing Date | Period | Analysis | SEC |
|---|---|---|---|---|
8-K | Apr 30, 2026 | — | — | — |
8-K | Mar 26, 2026 | — | — | — |
8-K | Feb 24, 2026 | — | Analysis | — |
8-K | Feb 19, 2026 | — | — | |
10-K | Feb 19, 2026 | Dec 31, 2025 | Analysis | |
8-K | Dec 22, 2025 | — | — | |
10-Q | Oct 31, 2025 | Sep 30, 2025 | Analysis | |
10-Q | Jul 31, 2025 | Jun 30, 2025 | — | |
10-Q | May 1, 2025 | Mar 31, 2025 | — | |
10-K | Feb 28, 2025 | Dec 31, 2024 | — | |
10-Q | Oct 31, 2024 | Sep 30, 2024 | — | |
10-Q | Jul 31, 2024 | Jun 30, 2024 | — | |
10-Q | May 8, 2024 | Mar 31, 2024 | — | |
10-K | Mar 1, 2024 | Dec 31, 2023 | — | |
10-Q | Nov 9, 2023 | Sep 30, 2023 | — | |
10-Q | Jul 28, 2023 | Jun 30, 2023 | — | |
10-Q | May 1, 2023 | Mar 31, 2023 | — | |
10-K | Feb 24, 2023 | Dec 31, 2022 | — | |
10-Q | Oct 28, 2022 | Sep 30, 2022 | — | |
10-Q | Jul 29, 2022 | Jun 30, 2022 | — | |
10-Q | Apr 29, 2022 | Mar 31, 2022 | — | |
10-K | Feb 25, 2022 | Dec 31, 2021 | — | |
10-Q | Oct 29, 2021 | Sep 30, 2021 | — | |
10-Q | Jul 30, 2021 | Jun 30, 2021 | — | |
10-Q | May 5, 2021 | Mar 31, 2021 | — |
Frequently Asked Questions
What are the latest MSEX SEC filings in 2026?
MIDDLESEX WATER CO (MSEX) has filed a 10-K annual report on February 19, 2026, a 10-Q quarterly report on October 31, 2025, an 8-K current report on April 30, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.
When did MSEX file its most recent 10-K annual report?
MIDDLESEX WATER CO (MSEX) filed its most recent 10-K annual report on February 19, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.
How do I view MSEX 10-Q quarterly reports?
MIDDLESEX WATER CO (MSEX)'s most recent 10-Q quarterly report was filed on October 31, 2025. SignalX displays every MSEX 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.
What 8-K current reports has MSEX filed recently?
MIDDLESEX WATER CO (MSEX)'s most recent 8-K was filed on April 30, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.
Where can I find MSEX insider trading activity (Form 4)?
SignalX aggregates every MSEX Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.
How often does MSEX file with the SEC?
MIDDLESEX WATER CO (MSEX) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new MSEX filing with AI-powered analysis.
What is the difference between 10-K, 10-Q, and 8-K SEC filings?
A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for MIDDLESEX WATER CO (MSEX).
What is MSEX's SEC CIK number?
MIDDLESEX WATER CO (MSEX)'s SEC CIK (Central Index Key) number is 66004. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 66004 to look up all MSEX filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.
Where can I find MSEX return on equity (ROE) and financial data?
SignalX extracts XBRL financial data from MIDDLESEX WATER CO (MSEX) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.
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