MDU Resources (MDU) director reports 164-share stock grant for board service

Rhea-AI Filing Summary

MDU Resources Group Inc. reported that one of its directors acquired company stock as part of board compensation. On 12/31/2025, the director received 164 shares of common stock at a stated price of $0.0000 per share under the issuer's director compensation policy, by electing to take stock instead of a cash retainer.

Following this transaction, the director beneficially owns 11,367 shares of MDU Resources Group common stock in direct ownership. The filing indicates this was routine compensation rather than an open-market purchase or sale.

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

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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^*

DURKIN MARIAN M

(Last) (First) (Middle)

1200 WEST CENTURY AVENUE

(Street)

BISMARCK ND 58503

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MDU RESOURCES GROUP INC [ MDU ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/31/2025

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

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

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

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	12/31/2025		A(1)		164	A	$0.0000	11,367	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. Pursuant to the issuer's director compensation policy, the reporting person elected to receive common stock in lieu of the cash compensation retainer for service on the issuer's board of directors.

	Anthony D. Foti, Attorney-in-Fact for Marian M. Durkin	01/02/2026
	** 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.

FAQ

What insider transaction was reported for MDU (MDU) on 12/31/2025?

A director of MDU Resources Group Inc. acquired 164 shares of common stock on 12/31/2025 as part of routine board compensation.

At what price were the MDU (MDU) shares acquired in this Form 4?

The 164 shares of MDU common stock were reported as acquired at a stated price of $0.0000 per share.

How many MDU (MDU) shares does the director own after this transaction?

After the reported transaction, the director beneficially owns 11,367 shares of MDU Resources Group common stock in direct ownership.

Why did the MDU (MDU) director receive stock instead of cash?

Under the issuer's director compensation policy, the reporting person elected to receive common stock in lieu of the cash compensation retainer for board service.

Does this MDU (MDU) Form 4 involve derivative securities or options?

No derivative securities are listed in Table II. The reported transaction involves only non-derivative common stock.

Is the MDU (MDU) Form 4 filed for one reporting person or multiple insiders?

The filing indicates it is a Form filed by one reporting person, reflecting a single director's holdings.