# MIDDLESEX WATER CO — DEF 14A

MIDDLESEX WATER CO of ISELIN, NJ filed a DEF 14A with the SEC on 2026-04-06. Industry: Water Supply.

## Filing

- Filed: 2026-04-06
- Form: DEF 14A
- Accession: 0001308179-26-000211
- Registrant: MIDDLESEX WATER CO
- CIK: 0000066004
- Industry (SIC): Water Supply (4941)
- State of incorporation: NJ
- Location: ISELIN, NJ

## Documents (52)

_Showing 15 of 52 documents._

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | DEF 14A |
| 2 | DEF 14A | DEFINITIVE PROXY STATEMENT |
| 3 | EX-101.SCH | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT |
| 4 | GRAPHIC | msex-20260406\_g1.jpg |
| 5 | GRAPHIC | msex-20260406\_g10.jpg |
| 6 | GRAPHIC | msex-20260406\_g11.jpg |
| 7 | GRAPHIC | msex-20260406\_g12.jpg |
| 8 | GRAPHIC | msex-20260406\_g13.jpg |
| 9 | GRAPHIC | msex-20260406\_g14.jpg |
| 10 | GRAPHIC | msex-20260406\_g15.jpg |
| 11 | GRAPHIC | msex-20260406\_g16.jpg |
| 12 | GRAPHIC | msex-20260406\_g17.jpg |
| 13 | GRAPHIC | msex-20260406\_g18.jpg |
| 14 | GRAPHIC | msex-20260406\_g19.jpg |
| 15 | GRAPHIC | msex-20260406\_g2.jpg |

## Filing timeline for this registrant (40)

_Showing 12 of 40 filings._

| Filed | Form |
| --- | --- |
| [2026-04-06](https://search.stillhousedata.com/proxy/0001308179-26-000213) | DEFA14A |
| 2026-04-06 | DEF 14A |
| [2025-04-10](https://search.stillhousedata.com/proxy/0001174947-25-000562) | DEFA14A |
| [2025-04-10](https://search.stillhousedata.com/proxy/0001174947-25-000561) | DEF 14A |
| [2024-04-11](https://search.stillhousedata.com/proxy/0001174947-24-000548) | DEF 14A |
| [2023-04-10](https://search.stillhousedata.com/proxy/0001174947-23-000555) | DEF 14A |
| [2022-04-08](https://search.stillhousedata.com/proxy/0001174947-22-000510) | DEF 14A |
| [2021-04-12](https://search.stillhousedata.com/proxy/0001174947-21-000398) | DEFA14A |
| [2021-04-12](https://search.stillhousedata.com/proxy/0001174947-21-000395) | DEF 14A |
| [2020-04-29](https://search.stillhousedata.com/proxy/0001174947-20-000605) | DEFA14A |
| [2020-04-06](https://search.stillhousedata.com/proxy/0001174947-20-000533) | DEF 14A |
| [2019-04-11](https://search.stillhousedata.com/proxy/0001174947-19-000553) | DEF 14A |

## More

- [CIK 66004 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=66004&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001308179-26-000211.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.