MDU Resources (NYSE: MDU) officer reports stock award and tax shares

Rhea-AI Filing Summary

MDU Resources Group Chief Accounting & Regulatory Affairs Officer Stephanie A. Sievert reported both an equity award and related tax withholding transactions in company common stock. She received an award of 4,544 restricted stock units that are scheduled to vest on December 31, 2028, subject to her continued employment through that date.

To cover tax liabilities from a previously reported RSU award that vested on December 31, 2025, 10,438 shares were withheld at a price of $20.36 per share, equal to the closing price on February 18, 2026. After these direct transactions, she held 90,503.051 shares directly, plus indirect holdings of 27.577 shares held by a custodian for a child and 2,238.1404 shares held in a 401(k) plan by a trustee.

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^*

Sievert Stephanie A

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

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	02/17/2026		A(1)		4,544	A	$0.0000	100,941.051(2)	D
Common Stock	02/18/2026		F(3)		10,438	D	$20.36(4)	90,503.051(2)	D
Common Stock								27.577	I	By Custodian(5)
Common Stock - 401(k)								2,238.1404	I	By Trustee

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 restricted stock units (RSUs) that will vest on December 31, 2028, subject to the reporting person's continued employment through the vesting date.

2. Includes (a) Common Stock, including 15,633 net shares, which vested on December 31, 2025; and (b) shares of Common Stock acquired through dividend reinvestment since the reporting person's most recent Form 4.

3. Shares withheld in payment of tax liability in connection with the vesting of a previously reported award of RSUs, which vested December 31, 2025.

4. Price is equal to the closing price of a share of Common Stock on February 18, 2026.

5. These shares are held in the name of the reporting person's child. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose, except to the extent of his pecuniary interest.

	Anthony D. Foti, Attorney-in-Fact for Stephanie A. Sievert	02/19/2026
	** 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).
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FAQ

What insider transactions did Stephanie A. Sievert report for MDU on this Form 4?

Stephanie A. Sievert reported an equity award and a related tax withholding in MDU common stock. She received 4,544 restricted stock units and had 10,438 shares withheld to satisfy tax liabilities tied to a prior RSU vesting.

How many MDU shares were granted to Stephanie A. Sievert in the latest equity award?

She was granted 4,544 restricted stock units linked to MDU common stock. According to the disclosure, these RSUs are scheduled to vest on December 31, 2028, and are conditioned on her continued employment through that vesting date.

Why were 10,438 MDU shares disposed of in Stephanie A. Sievert’s Form 4 filing?

The 10,438 MDU shares were withheld to pay tax liabilities on a previously reported RSU award. That prior award vested on December 31, 2025, and the withholding was priced at $20.36 per share, matching the closing price on February 18, 2026.

What are Stephanie A. Sievert’s direct MDU share holdings after these transactions?

After the reported award and tax withholding, she directly held 90,503.051 MDU common shares. This direct position includes shares that vested on December 31, 2025 and shares acquired through dividend reinvestment since her most recent prior Form 4.

What indirect MDU holdings associated with Stephanie A. Sievert are disclosed in the Form 4?

The filing lists 27.577 MDU shares held by a custodian for her child and 2,238.1404 shares held in a 401(k) plan by a trustee. She disclaims beneficial ownership of the child’s shares except to the extent of any pecuniary interest.

At what price were MDU shares valued for the tax-withholding in Stephanie A. Sievert’s filing?

The 10,438 shares withheld for tax purposes were valued at $20.36 per MDU share. The disclosure states this price equals the closing price of MDU common stock on February 18, 2026, the date of the withholding transaction.