Mdu Resources Group Inc (MDU)

CIK 67716 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Mdu Resources Group Inc.

Recent SEC filings

FiledFormAccession number
Aug 12, 2026SCHEDULE 13G0000313028-26-000040
Aug 6, 2026S-80000067716-26-000076
Aug 6, 2026S-80000067716-26-000075
Aug 6, 20268-K0000067716-26-000064
Aug 6, 202610-Q0000067716-26-000072
Jul 14, 2026SCHEDULE 13G/A0000354204-26-000843
Jul 1, 202640001225208-26-006307
Jul 1, 202640001225208-26-006306
Jun 18, 202611-K0000067716-26-000059
May 13, 2026SCHEDULE 13G0000313028-26-000033
May 13, 20268-K0000067716-26-000054
May 7, 20268-K0000067716-26-000045
May 7, 202610-Q0000067716-26-000050
Apr 30, 2026SCHEDULE 13G0002100119-26-000863
Apr 29, 2026SCHEDULE 13G0002100121-26-000489
Apr 9, 2026SCHEDULE 13G0000354204-26-000563
Apr 1, 2026DEFA14A0000067716-26-000041
Apr 1, 2026ARS0000067716-26-000042
Apr 1, 2026DEF 14A0000067716-26-000040
Apr 1, 202640001225208-26-004135
Apr 1, 202640001225208-26-004136
Mar 27, 2026SCHEDULE 13G/A0000102909-26-001749
Feb 20, 202610-K0000067716-26-000014
Feb 19, 202640001225208-26-002187
Feb 19, 202640001225208-26-002185