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Reports Second Quarter 2026 Results; Advances Infrastructure Growth Opportunities
MDU Resources Group Approves Long-Term Performance Incentive Plan Changes
Reports First Quarter 2026 Results; Progress on Proposed Bakken East Pipeline
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
Q2
Q1
FY 2025
Q3
FY 2023
Registration Statement for Securities to be Offered to Employees
Prospectus filed pursuant to Rule 424(b)(5)
S-3ASR
Additional Proxy Materials
Definitive Proxy Statement
Schedule 13G - Ownership Report
Amended Schedule 13G - Ownership Report
Statement of Changes in Beneficial Ownership
Annual Report of Employee Stock Purchase
Specialized Disclosure Report
Submission Upload
Correspondence