1200 WEST CENTURY AVENUE, BISMARCK, ND
Annual Report to Security Holders
Reports 2025 Year-End Results; Initiates 2026 Guidance
WBI Energy Transmission Enters Amendment to Note Purchase Agreement
Material Contracts, Other Events
MDU Resources Group Enters Amended Credit Agreement with U.S. Bank
MDU Resources Group Enters Forward Sale Agreements for 10,152,284 Shares
Announces Increased Capital Investment Plan for 2026-2030
Announces Third Quarter 2025 Results; Narrows Guidance
FY 2025
Q3
Q2
Q1
FY 2023
Prospectus filed pursuant to Rule 424(b)(5)
S-3ASR
Registration Statement for Securities to be Offered to Employees
Definitive Proxy Statement
Additional Proxy Materials
Statement of Changes in Beneficial Ownership
Amended Schedule 13G - Ownership Report
Specialized Disclosure Report
Submission Upload
Correspondence