Nadine Duchemin-Leslie - 01 Mar 2026 Form 4 Insider Report for MIDDLESEX WATER CO (MSEX)

Role: President, CEO
Signature: /s/ Jay L. Kooper, Power of Attorney for Nadine Duchemin-Leslie
Issuer symbol: MSEX
Transactions as of: 01 Mar 2026
Net transactions value: +$250,020
Form type: 4
Filing time: 02 Mar 2026, 09:15:52 UTC
Previous filing: 02 May 2025
Next filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Duchemin-Leslie Nadine	President, CEO	485C ROUTE 1 SOUTH, SUITE 400, ISELIN	/s/ Jay L. Kooper, Power of Attorney for Nadine Duchemin-Leslie	02 Mar 2026	0001868265

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MSEX	Common Stock (Restricted Stock Book)	Award	$250,020	+4,630	+69%	$54.00	11,307	01 Mar 2026	Direct	F1, F2
holding	MSEX	Common Stock (Book)						4,793	01 Mar 2026	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the number of shares awarded to Reporting Person pursuant to an Employment Agreement between the Reporting Person and the Issuer.
F2	Price as of close of business February 27, 2026, the trading day immediately preceding the award date.