Company · CIK 66004 # MIDDLESEX WATER CO | CIK | [66004](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000066004) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 4941 — Water Supply | | Incorporated in | NJ | | Business address | NJ | | Listed | MSEX (Nasdaq), MSEXP (OTC) | | First annual or quarterly report | 1995-03-29 | ## Offerings 9 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-287177 | Shelf Effective | 2025-05-12 | 2026-02-20 | 4 | | 333-266482 | Shelf Effective | 2022-08-03 | 2023-07-25 | 3 | | 333-233649 | Shelf Effective | 2019-09-06 | 2019-11-20 | 4 | | 333-205698 | Shelf Effective | 2015-07-16 | 2015-08-03 | 2 | | 333-166425 | Shelf Effective | 2010-04-30 | 2010-06-02 | 3 | | 333-160757 | Shelf Effective | 2009-07-23 | 2009-08-24 | 2 | | 333-157909 | Shelf Dormant | 2009-03-13 | 2009-03-13 | 1 | | 333-137893 | Shelf Final prospectus | 2006-10-06 | 2006-11-03 | 3 | | 333-110786 | Shelf Final prospectus | 2003-11-26 | 2004-05-07 | 2 | ## Filings 24 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-02-20 | [424B5](https://www.sec.gov/Archives/edgar/data/66004/000162828026010008/0001628280-26-010008-index.htm) Shelf takedown | 333-287177 | 0001628280-26-010008 | | 2025-07-29 | [424B5](https://www.sec.gov/Archives/edgar/data/66004/000110465925071727/0001104659-25-071727-index.htm) Shelf takedown | 333-287177 | 0001104659-25-071727 | | 2025-05-12 | [424B5](https://www.sec.gov/Archives/edgar/data/66004/000110465925047381/0001104659-25-047381-index.htm) Shelf takedown | 333-287177 | 0001104659-25-047381 | | 2025-05-12 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/66004/000110465925047075/0001104659-25-047075-index.htm) Shelf registered | 333-287177 | 0001104659-25-047075 | | 2023-07-25 | [424B5](https://www.sec.gov/Archives/edgar/data/66004/000117494723000909/0001174947-23-000909-index.htm) Shelf takedown | 333-266482 | 0001174947-23-000909 | | 2022-08-03 | [424B5](https://www.sec.gov/Archives/edgar/data/66004/000110465922085546/0001104659-22-085546-index.htm) Shelf takedown | 333-266482 | 0001104659-22-085546 | | 2022-08-03 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/66004/000110465922085517/0001104659-22-085517-index.htm) Shelf registered | 333-266482 | 0001104659-22-085517 | | 2019-11-20 | [424B5](https://www.sec.gov/Archives/edgar/data/66004/000117494719001219/0001174947-19-001219-index.htm) Shelf takedown | 333-233649 | 0001174947-19-001219 | | 2019-11-19 | [424B5](https://www.sec.gov/Archives/edgar/data/66004/000117494719001205/0001174947-19-001205-index.htm) Shelf takedown | 333-233649 | 0001174947-19-001205 | | 2019-09-06 | [424B5](https://www.sec.gov/Archives/edgar/data/66004/000117494719001042/0001174947-19-001042-index.htm) Shelf takedown | 333-233649 | 0001174947-19-001042 | | 2019-09-06 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/66004/000117494719001039/0001174947-19-001039-index.htm) Shelf registered | 333-233649 | 0001174947-19-001039 | | 2015-08-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/66004/999999999515002160/9999999995-15-002160-index.htm) Declared effective | 333-205698 | 9999999995-15-002160 | | 2015-07-16 | [S-3](https://www.sec.gov/Archives/edgar/data/66004/000117494715001209/0001174947-15-001209-index.htm) Shelf registered | 333-205698 | 0001174947-15-001209 | | 2010-06-02 | [424B5](https://www.sec.gov/Archives/edgar/data/66004/000114420410031410/0001144204-10-031410-index.htm) Shelf takedown | 333-166425 | 0001144204-10-031410 | | 2010-05-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/66004/999999999510001561/9999999995-10-001561-index.htm) Declared effective | 333-166425 | 9999999995-10-001561 | | 2010-04-30 | [S-3](https://www.sec.gov/Archives/edgar/data/66004/000091431710000729/0000914317-10-000729-index.htm) Shelf registered | 333-166425 | 0000914317-10-000729 | | 2009-08-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/66004/999999999509002370/9999999995-09-002370-index.htm) Declared effective | 333-160757 | 9999999995-09-002370 | | 2009-07-23 | [S-3](https://www.sec.gov/Archives/edgar/data/66004/000091431709001499/0000914317-09-001499-index.htm) Shelf registered | 333-160757 | 0000914317-09-001499 | | 2009-03-13 | [S-3](https://www.sec.gov/Archives/edgar/data/66004/000091431709000649/0000914317-09-000649-index.htm) Shelf registered | 333-157909 | 0000914317-09-000649 | | 2006-11-03 | [424B4](https://www.sec.gov/Archives/edgar/data/66004/000095012306013434/0000950123-06-013434-index.htm) Final prospectus | 333-137893 | 0000950123-06-013434 | | 2006-11-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/66004/999999999506002150/9999999995-06-002150-index.htm) Declared effective | 333-137893 | 9999999995-06-002150 | | 2006-10-06 | [S-3](https://www.sec.gov/Archives/edgar/data/66004/000095012306012400/0000950123-06-012400-index.htm) Shelf registered | 333-137893 | 0000950123-06-012400 | | 2004-05-07 | [424B4](https://www.sec.gov/Archives/edgar/data/66004/000119312504081645/0001193125-04-081645-index.htm) Final prospectus | 333-110786 | 0001193125-04-081645 | | 2003-11-26 | [S-3](https://www.sec.gov/Archives/edgar/data/66004/000119312503087006/0001193125-03-087006-index.htm) Shelf registered | 333-110786 | 0001193125-03-087006 | [All filings of this company](https://equitycapital.markets/filings?cik=66004) · [CSV](https://equitycapital.markets/filings.csv?cik=66004) --- Source page: https://equitycapital.markets/company/66004 · Data: U.S. SEC EDGAR · CC BY 4.0