Dyke A. Boese - 17 Feb 2026 Form 4 Insider Report for MDU RESOURCES GROUP INC (MDU)

Reporting relationship: CIO
Issuer ticker: MDU
Reported as of: 17 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 19 Feb 2026, 18:22:31 UTC
Prior SEC filing: 16 Jul 2025
Source filing: View source filing
Reporting owner signature: Anthony D. Foti, Attorney-in-Fact for Dyke Boese

Key filing fact

Dyke A. Boese filed Form 4 for MDU RESOURCES GROUP INC (MDU) on 19 Feb 2026.

Key facts

This page summarizes Dyke A. Boese's Form 4 filing for MDU RESOURCES GROUP INC (MDU).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 19 Feb 2026, 18:22.

Change

Previous filing in this sequence was filed on 16 Jul 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002048128 Primary reporting owner

Boese Dyke A.

Relationship: CIO
Address: 1200 WEST CENTURY AVENUE, BISMARCK
Signature: Anthony D. Foti, Attorney-in-Fact for Dyke Boese
Signature date: 19 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MDU transaction

Common Stock

Award

Transaction value: $0
Shares: +3,702
Change %: +109%
Price: $0.000000
Shares after: 7,084
Date: 17 Feb 2026
Ownership: Direct
Footnotes: F1

MDU holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 70
Date: 17 Feb 2026
Ownership: By Child
Footnotes: F2

MDU holding

Common Stock - 401(k)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 17,920
Date: 17 Feb 2026
Ownership: By Trustee

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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

Footnote F2

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.