MDU RESOURCES GROUP INC (MDU) Historical Stock Prices
MDU RESOURCES GROUP INC (MDU) is a publicly traded company on the NYSE, categorized under SIC 4924 (Natural Gas Distribution). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: MDU
CIK: 67716
Exchange: NYSE
SIC 4924: Natural Gas Distribution
Fiscal Year End: 12/31
Independent PCAOB Auditor
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Audit Firm
Deloitte & Touche LLP
Auditor SinceSince 12/31/2022 12:00:00 AM
Lead Engagement PartnerPatrick Larson
Audit LocationMinneapolis, Minnesota, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| SCHEDULE 13G | 2026-10-08 | — | SCHEDULE 13G Filing | 0000354204-26-001079 | View SEC Doc Filr Page |
| 4 | 2026-10-01 | 2026-09-30 | 4 Filing | 0001225208-26-008065 | View SEC Doc Filr Page |
| 4 | 2026-10-01 | 2026-09-30 | 4 Filing | 0001225208-26-008064 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-08-12 | — | SCHEDULE 13G Filing | 0000313028-26-000040 | View SEC Doc Filr Page |
| S-8 | 2026-08-06 | — | S-8 | 0000067716-26-000076 | View SEC Doc Filr Page |
| S-8 | 2026-08-06 | — | S-8 | 0000067716-26-000075 | View SEC Doc Filr Page |
| 10-Q | 2026-08-06 | 2026-06-30 | 10-Q | 0000067716-26-000072 | View SEC Doc Filr Page |
| 8-K | 2026-08-06 | 2026-08-06 | MDU RESOURCES FORM 8-K EARNINGS RELEASE | 0000067716-26-000064 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-07-14 | — | SCHEDULE 13G/A Filing | 0000354204-26-000843 | View SEC Doc Filr Page |
| 4 | 2026-07-01 | 2026-06-30 | 4 Filing | 0001225208-26-006307 | View SEC Doc Filr Page |
| 4 | 2026-07-01 | 2026-06-30 | 4 Filing | 0001225208-26-006306 | View SEC Doc Filr Page |
| 11-K | 2026-06-18 | 2025-12-31 | MDU RESOURCES GROUP, INC. FORM 11-K | 0000067716-26-000059 | View SEC Doc Filr Page |
| 8-K | 2026-05-13 | 2026-05-11 | 8-K | 0000067716-26-000054 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-05-13 | — | SCHEDULE 13G Filing | 0000313028-26-000033 | View SEC Doc Filr Page |
| 10-Q | 2026-05-07 | 2026-03-31 | MDU RESOURCES FORM 10-Q | 0000067716-26-000050 | View SEC Doc Filr Page |
| 8-K | 2026-05-07 | 2026-05-07 | MDU RESOURCES FORM 8-K EARNINGS RELEASE | 0000067716-26-000045 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-04-30 | — | SCHEDULE 13G Filing | 0002100119-26-000863 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-04-29 | — | SCHEDULE 13G Filing | 0002100121-26-000489 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-04-09 | — | SCHEDULE 13G Filing | 0000354204-26-000563 | View SEC Doc Filr Page |
| 4 | 2026-04-01 | 2026-03-31 | 4 Filing | 0001225208-26-004136 | View SEC Doc Filr Page |
| 4 | 2026-04-01 | 2026-03-31 | 4 Filing | 0001225208-26-004135 | View SEC Doc Filr Page |
| ARS | 2026-04-01 | 2026-03-31 | ARS | 0000067716-26-000042 | View SEC Doc Filr Page |
| DEFA14A | 2026-04-01 | — | DEFA14A | 0000067716-26-000041 | View SEC Doc Filr Page |
| DEF 14A | 2026-04-01 | 2026-05-11 | DEF 14A | 0000067716-26-000040 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-03-27 | — | SCHEDULE 13G/A Filing | 0000102909-26-001749 | View SEC Doc Filr Page |