MDU RESOURCES GROUP INC — 8-K Filings
355 8-K filings on record
This page lists all 8-K filings submitted to the SEC by MDU RESOURCES GROUP INC (MDU), sorted by most recent first. Each row links to the full filing on EdgarLookup. MDU RESOURCES GROUP INC has filed 355 8-K documents with the SEC since 2010. To view all SEC filings by MDU RESOURCES GROUP INC, see the full filings list.
All
10-K
10-K/A
10-Q
11-K
11-K/A
15-12B
25-NSE
3
3/A
4
4/A
424B2
424B3
424B5
5
5/A
8-A12B
8-A12B/A
8-K
8-K/A
8-K12B
ARS
AW
CORRESP
DEF 14A
DEFA14A
DEFR14A
NO ACT
POS AM
POSASR
PRE 14A
PRER14A
S-3
S-3/A
S-3ASR
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-26-000008 | Feb 5, 2026 | — |
| 8-K | 8-K | 0000067716-26-000005 | Jan 16, 2026 | Jan 15, 2026 |
| 8-K | 8-K | 0001539497-25-003350 | Dec 29, 2025 | Dec 23, 2025 |
| 8-K | 8-K | 0000067716-25-000095 | Dec 12, 2025 | Dec 11, 2025 |
| 8-K | FORM 8-K | 0001539497-25-003175 | Dec 5, 2025 | Dec 3, 2025 |
| 8-K | MDU RESOURCES FORM 8-K CAP EX | 0000067716-25-000092 | Nov 20, 2025 | — |
| 8-K | MDU RESOURCES FORM 8-K EARNINGS RELEASE | 0000067716-25-000087 | Nov 6, 2025 | — |
| 8-K | 8-K | 0000067716-25-000083 | Aug 13, 2025 | Aug 12, 2025 |
| 8-K | MDU RESOURCES FORM 8-K | 0000067716-25-000073 | Aug 7, 2025 | — |
| 8-K | FORM 8-K | 0001539497-25-002057 | Aug 7, 2025 | — |
| 8-K | 8-K | 0000067716-25-000052 | May 15, 2025 | May 13, 2025 |
| 8-K | MDU RESOURCES FORM 8-K | 0000067716-25-000041 | May 8, 2025 | — |
| 8-K | 8-K | 0000067716-25-000012 | Feb 14, 2025 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-25-000007 | Feb 6, 2025 | — |
| 8-K | MDU RESOURCES FORM 8-K CAP EX | 0000067716-24-000113 | Nov 21, 2024 | — |
| 8-K | 8-K | 0000067716-24-000111 | Nov 14, 2024 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-24-000105 | Nov 7, 2024 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-24-000100 | Nov 6, 2024 | Oct 31, 2024 |
| 8-K | 8-K | 0001140361-24-044885 | Nov 1, 2024 | Oct 31, 2024 |
| 8-K | 8-K | 0000067716-24-000097 | Oct 17, 2024 | — |
| 8-K | 8-K | 0000067716-24-000092 | Oct 2, 2024 | Oct 1, 2024 |
| 8-K | 8-K | 0000067716-24-000089 | Sep 3, 2024 | — |
| 8-K | 8-K | 0000067716-24-000085 | Aug 15, 2024 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-24-000081 | Aug 8, 2024 | — |
| 8-K | 8-K | 0000067716-24-000074 | Jul 18, 2024 | — |
| 8-K | 8-K | 0000067716-24-000059 | May 20, 2024 | May 14, 2024 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-24-000054 | May 2, 2024 | — |
| 8-K | 8-K | 0000067716-24-000026 | Mar 18, 2024 | Mar 14, 2024 |
| 8-K | 8-K | 0000067716-24-000022 | Mar 13, 2024 | — |
| 8-K | 8-K | 0000067716-24-000013 | Feb 21, 2024 | Feb 15, 2024 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-24-000009 | Feb 8, 2024 | — |
| 8-K | MDU RESOURCES FORM 8-K CAP EX | 0000067716-23-000119 | Nov 21, 2023 | — |
| 8-K | 8-K | 0000067716-23-000116 | Nov 17, 2023 | Nov 16, 2023 |
| 8-K | 8-K | 0000067716-23-000109 | Nov 2, 2023 | Nov 1, 2023 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-23-000108 | Nov 2, 2023 | — |
| 8-K | 8-K | 0000067716-23-000102 | Aug 17, 2023 | — |
| 8-K | 8-K | 0000067716-23-000099 | Aug 10, 2023 | — |
| 8-K | 8-K | 0000067716-23-000092 | Aug 3, 2023 | Aug 2, 2023 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-23-000091 | Aug 3, 2023 | — |
| 8-K | 8-K | 0000067716-23-000085 | Jul 10, 2023 | — |
| 8-K | FORM 8-K | 0001140361-23-027660 | Jun 1, 2023 | May 30, 2023 |
| 8-K | FORM 8-K | 0001140361-23-024278 | May 12, 2023 | May 10, 2023 |
| 8-K | 8-K | 0000067716-23-000069 | May 11, 2023 | May 9, 2023 |
| 8-K | 8-K | 0000067716-23-000062 | May 4, 2023 | May 3, 2023 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-23-000063 | May 4, 2023 | — |
| 8-K | 8-K | 0000067716-23-000064 | May 4, 2023 | May 3, 2023 |
| 8-K | 8-K | 0000067716-23-000051 | Apr 25, 2023 | — |
| 8-K | 8-K | 0000067716-23-000048 | Apr 11, 2023 | — |
| 8-K | 8-K | 0000067716-23-000041 | Apr 10, 2023 | Apr 7, 2023 |
| 8-K | 8-K | 0000067716-23-000044 | Apr 10, 2023 | — |