MDU Resources director acquires 7,779 shares; 187,945 owned

MDU Resources Group (MDU) reported an insider transaction by a director.

Accepted by SEC EDGAR 11/14/2025 - 05:06 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

MDU Resources Group (MDU) reported an insider transaction by a director. On 11/13/2025, the director acquired 7,779 shares of common stock at $0.0000 per share. Following this transaction, the director beneficially owns 187,945 shares directly.

The filing also lists an additional 163.2879 shares held indirectly, noted as By Spouse. No derivative securities were reported.

Insider Trade Summary

Grant/Award: 7,779 shares

Grant/Award 1 txn

Insider JOHNSON DENNIS W

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	7,779	$0.00	$0.00
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 187,945 shares (Direct); Common Stock — 163.2879 shares (Indirect, By Spouse)

Holdings Before and After: Common Stock, 180,166 to 187,945 shares (Direct)

FAQ

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

What did MDU (MDU) disclose in this Form 4?

A director acquired 7,779 MDU common shares on 11/13/2025 at $0.0000 per share.

How many MDU shares does the director now own directly?

The director beneficially owns 187,945 shares directly after the reported transaction.

Were any indirect MDU holdings reported?

Yes. The filing shows 163.2879 shares held indirectly, listed as By Spouse.

What was the transaction code for the acquisition?

The transaction was coded A, indicating an acquisition.

Were any derivative securities involved?

No. The filing did not report any derivative securities in Table II.

Who signed the filing for the reporting person?

Anthony D. Foti signed as Attorney-in-Fact for Dennis W. Johnson on 11/14/2025.

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^*

JOHNSON DENNIS W

(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)
11/13/2025

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	11/13/2025		A		7,779	A	$0.0000	187,945	D
Common Stock								163.2879	I	By Spouse

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:

	Anthony D. Foti, Attorney-in-Fact for Dennis W. Johnson	11/14/2025
	** 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.