MDU Resources director receives stock retainer

DURKIN MARIAN M reported acquisition or exercise transactions in this Form 4 filing.

Accepted by SEC EDGAR 04/01/2026 - 05:25 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

DURKIN MARIAN M reported acquisition or exercise transactions in this Form 4 filing.

MDU Resources Group director Marian M. Durkin received a grant of 157 shares of common stock as compensation for board service. The shares were issued at no cash cost under the company’s director compensation policy, in which she elected stock instead of a cash retainer.

Following this award, she directly holds 11,524 common shares, so this is a modest, compensation-related increase in her ownership rather than an open-market purchase.

Insider Trade Summary

Grant/Award: 157 shares

Grant/Award 1 txn

Insider DURKIN MARIAN M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	157	$0.00	$0.00

Holdings After Transaction: Common Stock — 11,524 shares (Direct)

Holdings Before and After: Common Stock, 11,367 to 11,524 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Shares granted: 157 shares Grant price per share: $0.00 per share Shares held after transaction: 11,524 shares

3 metrics

Shares granted 157 shares Board compensation grant on March 31, 2026

Grant price per share $0.00 per share Non-cash equity award

Shares held after transaction 11,524 shares Direct MDU common stock ownership after grant

Key Terms

director compensation policy, grant, award, or other acquisition, Common Stock

3 terms

director compensation policy financial

"Pursuant to the issuer's director compensation policy, the reporting person elected to receive common stock..."

grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

Common Stock financial

""security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What did Marian M. Durkin report in this Form 4 for MDU?

Director Marian M. Durkin reported receiving 157 shares of MDU common stock. These shares were awarded as compensation for serving on the board, rather than bought on the open market, and increased her directly held stake to 11,524 shares.

Was the MDU Form 4 transaction a stock purchase or a grant?

The Form 4 shows a stock grant, not a purchase. Durkin received 157 MDU shares with no cash paid, classified as a “grant, award, or other acquisition” under the company’s director compensation policy for board service.

Why did Marian M. Durkin receive MDU shares instead of cash?

Under MDU’s director compensation policy, Durkin elected to take common stock instead of a cash retainer. The 157-share grant represents her board compensation in stock form, aligning a portion of her pay with the company’s equity performance.

How many MDU shares does Marian M. Durkin own after this award?

After receiving the 157-share award, Durkin directly holds 11,524 MDU common shares. This filing reflects a small, routine increase in her equity position resulting from board compensation, rather than a large change in ownership.

Does the MDU Form 4 indicate any derivative or option exercises?

No derivative or option exercises are shown in this Form 4. The filing reports only a non-derivative acquisition of 157 MDU common shares as a compensation grant, with no remaining derivative positions disclosed in the derivative summary.

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

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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^*

DURKIN MARIAN M

(Last) (First) (Middle)

1200 WEST CENTURY AVENUE

(Street)

BISMARCK NORTH DAKOTA 58503

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

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	03/31/2026		A(1)		157	A	$0.0000	11,524	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	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)