---
schema_version: "secwatch.filing_event.v1"
accession: "0001174947-23-000799"
form_type: "8-K"
ticker: "MSEX"
cik: "0000066004"
company_name: "MIDDLESEX WATER CO"
filed_at: "2023-05-16T23:59:59+00:00"
generated_at: "2026-06-15T00:13:04.527114+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Middlesex Water CEO Dennis Doll to retire by end of 2023; search underway

## Summary
- Dennis Doll plans to retire upon turning 65; effective later of Dec 31, 2023 or when successor is named and on board.
- Doll will remain a board member through May 2024; search led by Compensation Committee with Russell Reynolds.
- Doll joined in 2004 as EVP, became CEO and Chairman in 2006; oversaw major capital program 'Water for Tomorrow'.
- His tenure included acquisitions, organic customer growth, and completion of ozone treatment plant and 42" water main.

## SEC filing metadata
- accession: 0001174947-23-000799
- form_type: 8-K
- ticker: MSEX
- cik: 0000066004
- company_name: MIDDLESEX WATER CO
- filed_at: 2023-05-16T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- EDGAR index: https://www.sec.gov/Archives/edgar/data/66004/000117494723000799/0001174947-23-000799-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/66004/000117494723000799/form8k-30221_msx.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001174947-23-000799
- JSON: https://secwatch.observer/filing/0001174947-23-000799.json
- Plain text: https://secwatch.observer/filing/0001174947-23-000799.txt

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