MIDDLESEX WATER CO — Director's Dealing 2026

Mar 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MIDDLESEX WATER CO (MSEX)
CIK: 0000066004
Period of Report: 2026-03-03

Reporting Person: Duchemin-Leslie Nadine (President, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-03	Common Stock (Restricted Stock Book)	J	4630	$54.55	Disposed	6677	Direct
2026-03-03	Common Stock (Book)	F	2336	$54.55	Acquired	7129	Direct

Footnotes

F1: Represents the number of shares of Restricted Stock originally awarded that have now vested.

F2: Price as of close of business on March 2, 2026, the first closing price following the vesting of the award received by the Reporting Person on March 1, 2026.

F3: Represents the number of shares released to the awardee after choosing to surrender shares back to the Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Restricted Stock.