Middlesex Water director granted 865 shares

Middlesex Water Co director James F. Cosgrove Jr. received a grant of common stock under the company’s Outside Director Stock Compensation Plan.

Rhea-AI Filing Summary

Middlesex Water Co director James F. Cosgrove Jr. received a grant of common stock under the company’s Outside Director Stock Compensation Plan. He acquired 865 shares of Common Stock (Book) at a reference price of $52.05 per share, reflecting the closing price on March 31, 2026.

Following this award, his direct holdings include 865 book-entry shares and 10,901 shares of Common Stock (Street) reported as held in a separate account. The filing reflects a routine equity compensation grant rather than an open-market purchase or sale.

Insider Trade Summary

Grant/Award: 865 shares

Grant/Award 2 txns

Insider Cosgrove James F. Jr.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock (Book)	865	$52.05	$45K
holding	Common Stock (Street)	--	--	--

Holdings After Transaction: Common Stock (Book) — 865 shares (Direct); Common Stock (Street) — 10,901 shares (Direct)

Footnotes (1)

1. F1. Price as of close of business March 31, 2026, in accordance with the provision of the Issuer's Outside Director Stock Compensation Plan.

Key Figures

Stock grant size: 865 shares Grant valuation price: $52.05 per share Book shares after grant: 865 shares +1 more

4 metrics

Stock grant size 865 shares Common Stock (Book) awarded to director on April 1, 2026

Grant valuation price $52.05 per share Closing price on March 31, 2026 under director stock plan

Book shares after grant 865 shares Total Common Stock (Book) directly held following award

Street-name holdings 10,901 shares Common Stock (Street) directly held after reported transactions

Key Terms

Outside Director Stock Compensation Plan, Common Stock (Book), Common Stock (Street), Form 4

4 terms

Outside Director Stock Compensation Plan financial

"in accordance with the provision of the Issuer's Outside Director Stock Compensation Plan"

Common Stock (Book) financial

"security_title: Common Stock (Book)"

Common Stock (Street) financial

"security_title: Common Stock (Street)"

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did MSEX director James F. Cosgrove Jr. report?

Director James F. Cosgrove Jr. reported receiving 865 shares of Middlesex Water common stock as an equity award. The shares were granted under the Outside Director Stock Compensation Plan and are recorded as book-entry common stock on the Form 4.

At what price was the Middlesex Water (MSEX) stock grant valued?

The 865-share grant to director James F. Cosgrove Jr. was valued at $52.05 per share. This price reflects the closing market price on March 31, 2026, as specified under the company’s Outside Director Stock Compensation Plan.

How many Middlesex Water shares does the director hold after this Form 4?

After the reported grant, James F. Cosgrove Jr. directly holds 865 shares of Middlesex Water common stock in book form and 10,901 shares in a street-name account. These positions together show his total reported direct ownership in the company’s common stock.

Was the Middlesex Water (MSEX) Form 4 a market purchase or sale?

The Form 4 shows an equity award, not a market trade. The 865 shares of common stock were granted to the director as compensation under the Outside Director Stock Compensation Plan, rather than being bought or sold on the open market.

What plan governed the stock grant to the Middlesex Water director?

The stock grant was made under Middlesex Water’s Outside Director Stock Compensation Plan. The filing notes that the $52.05 value per share is based on the closing price on March 31, 2026, in accordance with provisions of this compensation plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/01/2026 - 09:04 AM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Cosgrove James F. Jr.

(Last) (First) (Middle)

485C ROUTE 1 SOUTH

SUITE 400

(Street)

ISELIN NEW JERSEY 08830

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MIDDLESEX WATER CO [ MSEX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock (Book)	04/01/2026		A		865	A	$52.05(1)	865	D
Common Stock (Street)								10,901	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Price as of close of business March 31, 2026, in accordance with the provision of the Issuer's Outside Director Stock Compensation Plan.

Remarks:

	/s/Jay L. Kooper, Power of Attorney for James F. Cosgrove, Jr.	04/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)