---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-011115"
form_type: "8-K"
ticker: "MSEX"
cik: "0000066004"
company_name: "MIDDLESEX WATER CO"
filed_at: "2026-02-24T23:59:59+00:00"
generated_at: "2026-05-16T00:57:46.964650+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Middlesex Water amends ATM equity sale agreement; adds Huntington Securities as agent, removes Janney

## Summary
- Amendment to ATM equity offering program (max $110M) adds Huntington Securities as sales agent, removes Janney Montgomery Scott.
- Other terms unchanged; shares sold at market prices under existing shelf registration (File 333-287177).
- Prospectus supplement dated May 12, 2025 updated to reflect agent change.
- No change to maximum offering amount of $110M or commission structure.

## SEC filing metadata
- accession: 0001628280-26-011115
- form_type: 8-K
- ticker: MSEX
- cik: 0000066004
- company_name: MIDDLESEX WATER CO
- filed_at: 2026-02-24T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/66004/000162828026011115/0001628280-26-011115-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/66004/000162828026011115/msex-20260220.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-011115
- JSON: https://secwatch.observer/filing/0001628280-26-011115.json
- Plain text: https://secwatch.observer/filing/0001628280-26-011115.txt

## Key facts
- Material Agreements
  MIDDLESEX WATER CO amended Amendment with BofA Securities, Inc., Robert W. Baird & Co. Incorporated, Huntington Securities, Inc., and Janney Montgomery Scott LLC (effective 2026-02-20).
  - Action: amendment
  - Agreement: atm program
  - Counterparty: BofA Securities, Inc., Robert W. Baird & Co. Incorporated, Huntington Securities, Inc., and Janney Montgomery Scott LLC
  - Effective: 2026-02-20
  source text: On February 20, 2026, Middlesex Water Company (“ Middlesex ”) entered into an Amendment (the “ Amendment ”) to the ATM Equity Offering SM Sales Agreement (as amended, the “ Equity Sales Agreement ”) with BofA Securities, Inc., Robert W. Baird & Co. Incorporated, Huntington Securities, Inc. (“ Huntington ”), and Janney Montgomery Scott LLC (“ Janney ”), relating to Middlesex’s ongoing sale of shares of Middlesex common stock, no par value, from time to time at the then prevailing market prices in an amount not to exceed $110,000,000, (the “ Shares ”), through “at-the-market” offerings (the “ Offering ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/66004/000162828026011115/0001628280-26-011115-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.