Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000067716-25-000031
Filing Date
2025-04-03
Accepted
2025-04-03 08:14:48
Documents
111
Period of Report
2025-05-13

Document Format Files

Seq Description Document Type Size
1 DEF 14A mdu-20250402.htm   iXBRL DEF 14A 1724257
6 DEF 14A mdurproxyedgar.pdf DEF 14A 19470022
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  Complete submission text file 0000067716-25-000031.txt   185098617

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT mdu-20250402.xsd EX-101.SCH 3030
3 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT mdu-20250402_def.xml EX-101.DEF 3849
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT mdu-20250402_lab.xml EX-101.LAB 4588
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT mdu-20250402_pre.xml EX-101.PRE 2863
113 EXTRACTED XBRL INSTANCE DOCUMENT mdu-20250402_htm.xml XML 196069
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1000
MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)

EIN.: 301133956 | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-03480 | Film No.: 25807582
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)
(CF Office: 01 Energy & Transportation)