Middlesex Water officer reports stock awards

Middlesex Water Co officer Robert John Capko reported compensation-related stock activity.

Rhea-AI Filing Summary

Middlesex Water Co officer Robert John Capko reported compensation-related stock activity. He received a grant of 1,679 shares of Restricted Stock for the current year at a reference price of $52.05 per share. An additional 193 shares of previously awarded Restricted Stock vested on the same date.

In connection with this vesting, 83 common shares were surrendered back to the company at $52.05 per share to satisfy tax withholding obligations, and 83 common shares were released to him. After these transactions, he directly holds 3,448 shares of Restricted Stock and 83 shares of common stock.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Capko Robert John

Role PAO & Controller

Type	Security	Shares	Price	Value
Grant/Award	Common Stock (Restricted Stock Book)	1,679	$52.05	$87K
Other	Common Stock (Restricted Stock Book)	193	$52.05	$10K
Exercise Price or Tax Liability	Common Stock (Book)	83	$52.05	$4K

Holdings After Transaction: Common Stock (Restricted Stock Book) — 3,448 shares (Direct); Common Stock (Book) — 83 shares (Direct)

Footnotes (3)

1. F1. Represents the number of shares of Restricted Stock awarded for current year.
2. F2. Represents the number of shares of Restricted Stock originally awarded that have now vested.
3. F3. Represents the number of shares released to the awardee after choosing to surrender shares back to Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Restricted Stock.

Key Figures

Restricted Stock grant: 1,679 shares at $52.05 Vested Restricted Stock: 193 shares at $52.05 Shares surrendered for taxes: 83 shares at $52.05 +2 more

5 metrics

Restricted Stock grant 1,679 shares at $52.05 Current-year Restricted Stock award to PAO & Controller

Vested Restricted Stock 193 shares at $52.05 Previously awarded Restricted Stock that vested

Shares surrendered for taxes 83 shares at $52.05 Common shares surrendered to satisfy tax withholding

Restricted Stock holdings 3,448 shares Direct Restricted Stock holdings after transactions

Common Stock holdings 83 shares Direct common stock holdings after tax-related release

Key Terms

Restricted Stock, vested, tax withholding obligations, Form 4

4 terms

Restricted Stock financial

"Represents the number of shares of Restricted Stock awarded for current year."

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

vested financial

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

tax withholding obligations financial

"after choosing to surrender shares back to Issuer to satisfy the tax withholding obligations that arose"

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 transactions did MSEX officer Robert John Capko report on this Form 4?

He reported a grant of 1,679 Restricted Stock shares, vesting of 193 previously awarded Restricted Stock shares, and surrender of 83 common shares to cover tax withholding, with 83 common shares released to him as part of the vesting process.

How many Middlesex Water (MSEX) shares did Robert John Capko receive as new Restricted Stock?

He received 1,679 shares of Restricted Stock as a current-year award. This grant represents equity-based compensation, aligning part of his pay with the company’s share performance, rather than an open-market purchase of stock by the officer.

How did tax withholding affect Robert John Capko’s MSEX share holdings?

To satisfy tax withholding from Restricted Stock vesting, 83 common shares were surrendered back to the issuer at $52.05 per share. After this, 83 common shares were released to him, reflecting a non-market disposition tied to tax obligations, not a discretionary sale.

What are Robert John Capko’s direct Middlesex Water (MSEX) share holdings after these transactions?

Following the reported transactions, he directly holds 3,448 shares of Restricted Stock and 83 shares of common stock. These figures reflect his updated equity position after the annual Restricted Stock grant, vesting of prior awards, and tax-withholding share surrender.

Were the MSEX Form 4 transactions open-market buys or sells by Robert John Capko?

No. The filing shows compensation-related equity activity: a Restricted Stock grant, vesting of earlier awards, and shares surrendered for tax withholding. There were no open-market purchases or sales, so the transactions mainly reflect routine stock-based compensation mechanics.

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

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Accepted by SEC EDGAR 04/01/2026 - 12:11 PM 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

X

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^*

Capko Robert John

(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)

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

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 (Restricted Stock Book)	04/01/2026		A		1,679(1)	A	$52.05	3,641	D
Common Stock (Restricted Stock Book)	04/01/2026		J		193(2)	D	$52.05	3,448	D
Common Stock (Book)	04/01/2026		F		83(3)	A	$52.05	83	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. Represents the number of shares of Restricted Stock awarded for current year.

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

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

Remarks:

	/s/Jay L. Kooper, Power of Attorney for Robert J. Capko	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)