MIDDLESEX WATER CO

MSEX · Nasdaq · SIC 4941: Water Supply · Market Cap: $1.0B · 395 employees
364
SEC Filings
$54.58
Close 2026-06-25
395
Employees

Business Summary

Middlesex Water Company, incorporated in 1897, owns and operates regulated water utility and wastewater systems primarily in New Jersey and Delaware. It serves approximately 131,000 regulated customers across its Middlesex, Tidewater, and Pinelands systems. The company also operates water and wastewater systems under unregulated contracts for municipal and private clients, including the City of Perth Amboy, Borough of Avalon, and Borough of Highland Park, and offers home maintenance programs through a marketing agreement with HomeServe USA Corp.

Latest Stock Quote

MSEX 2026-06-25 $54.58 O:$54.29 H:$54.9 L:$53.855 Vol:0.1M VWAP:$54.3578
origin leaf: null

Next Earnings

expected 2026-10-29

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-02-192025-12-310001628280-26-009777EDGAR43K words
2025-02-282024-12-310001174947-25-000251EDGAR—
2024-03-012023-12-310001174947-24-000281EDGAR—
2023-02-242022-12-310001174947-23-000258EDGAR—
2022-02-252021-12-310001174947-22-000283EDGAR—
2021-02-252020-12-310001174947-21-000198EDGAR—
2020-02-272019-12-310001174947-20-000248EDGAR—
2019-03-082018-12-310001174947-19-000334EDGAR—
2018-03-092017-12-310001174947-18-000337EDGAR—
2017-03-032016-12-310001174947-17-000294EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2026-07-302026-06-300001628280-26-051038EDGAR—
2025-10-312025-09-300001628280-25-047821EDGAR17K words
2025-07-312025-06-300001174947-25-001119EDGAR—
2025-05-012025-03-310001174947-25-000677EDGAR—
2024-10-312024-09-300001174947-24-001201EDGAR—
2024-07-312024-06-300001174947-24-000934EDGAR—
2024-05-082024-03-310001174947-24-000713EDGAR—
2023-11-092023-09-300001174947-23-001376EDGAR—
2023-07-282023-06-300001174947-23-000933EDGAR—
2023-05-012023-03-310001174947-23-000678EDGAR—
2022-10-282022-09-300001174947-22-001123EDGAR—
2022-07-292022-06-300001174947-22-000866EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-07-300001628280-26-051031EDGAR—
2026-03-260001628280-26-021412EDGAR5K words
2026-02-240001628280-26-011115EDGAR—
2026-02-190001628280-26-009722EDGAR—
2025-12-220001628280-25-058529EDGAR—
2025-10-310001628280-25-047818EDGAR—
2025-07-310001174947-25-001118EDGAR—
2025-05-220001174947-25-000838EDGAR—
2025-05-120001104659-25-047384EDGAR—
2025-05-010001174947-25-000675EDGAR—

364 total filings indexed. 332 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

AWR — AMERICAN STATES WATER CO ARTNA — ARTESIAN RESOURCES CORP AWK — American Water Works Company, Inc. VYRE — CABO VERDE CAPITAL INC. CDZI — CADIZ INC CWT — CALIFORNIA WATER SERVICE GROUP SBS — COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP CWCO — Consolidated Water Co. Ltd.

Tags

regulated-water-utility regulated-wastewater-utility contract-water-and-wastewater-operations residential-customers commercial-customers industrial-customers municipal-clients

Company Identity

CIK0000066004
TickerMSEX
ExchangeNasdaq
SIC4941: Water Supply
IncorporatedNJ
HeadquartersIselin, New Jersey
Websitehttps://www.middlesexwater.com
Listed1973-01-02

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

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JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: 265261f65fabcf62619f2a02b1d490ba383d82c96aa7874872169211489cb003
parent: 4f2ee83842ef1f7b9469b7d28a335ca5e9521decebf395b589856a453ec3ea85
content hash: 261cf49d8124260f650637304d518c518ee9b254c75bc8ff5fe4e07c026d0db5
signed: 2026-08-12T12:14:21.811Z
sources: 22 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

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