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 | 8-K | 0000067716-23-000013 | Feb 17, 2023 | Feb 16, 2023 |
| 8-K | 8-K | 0000067716-23-000011 | Feb 16, 2023 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-23-000006 | Feb 9, 2023 | — |
| 8-K | 8-K | 0000067716-23-000004 | Jan 24, 2023 | — |
| 8-K | 8-K | 0000067716-22-000079 | Dec 15, 2022 | Dec 14, 2022 |
| 8-K | MDU RESOURCES FORM 8-K CAP EX | 0000067716-22-000075 | Nov 22, 2022 | — |
| 8-K | 8-K | 0000067716-22-000073 | Nov 18, 2022 | Nov 17, 2022 |
| 8-K | 8-K | 0000067716-22-000067 | Nov 17, 2022 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-22-000060 | Nov 3, 2022 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-22-000048 | Aug 4, 2022 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-22-000049 | Aug 4, 2022 | — |
| 8-K | 8-K | 0000067716-22-000031 | May 12, 2022 | May 10, 2022 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-22-000027 | May 4, 2022 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-22-000007 | Feb 9, 2022 | — |
| 8-K | 8-K | 0000067716-22-000003 | Jan 10, 2022 | Jan 6, 2022 |
| 8-K | MDU RESOURCES FORM 8-K CAP EX | 0000067716-21-000057 | Nov 23, 2021 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-21-000052 | Nov 3, 2021 | — |
| 8-K | 8-K | 0000067716-21-000048 | Aug 16, 2021 | Aug 10, 2021 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-21-000041 | Aug 4, 2021 | — |
| 8-K | 8-K | 0000067716-21-000029 | May 12, 2021 | May 11, 2021 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-21-000023 | May 6, 2021 | May 5, 2021 |
| 8-K | 8-K | 0000067716-21-000010 | Mar 12, 2021 | Mar 9, 2021 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-21-000003 | Feb 3, 2021 | — |
| 8-K | 8-K | 0000067716-20-000066 | Dec 18, 2020 | Dec 15, 2020 |
| 8-K | MDU RESOURCES FORM 8-K EARNINGS GUIDANCE | 0000067716-20-000063 | Dec 14, 2020 | — |
| 8-K | MDU RESOURCES FORM 8-K CAP EX | 0000067716-20-000060 | Nov 19, 2020 | — |
| 8-K | 8-K | 0000067716-20-000056 | Nov 12, 2020 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-20-000051 | Nov 4, 2020 | — |
| 8-K | 8-K | 0000067716-20-000047 | Oct 8, 2020 | Sep 16, 2020 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-20-000041 | Aug 4, 2020 | — |
| 8-K | 8-K | 0000067716-20-000030 | May 13, 2020 | May 12, 2020 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-20-000025 | May 7, 2020 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-20-000006 | Feb 4, 2020 | — |
| 8-K | MDU RESOURCES FORM 8-K EARNINGS GUIDANCE | 0000067716-19-000086 | Dec 9, 2019 | — |
| 8-K | MDU RESOURCES FORM 8-K CAP EX | 0000067716-19-000081 | Nov 18, 2019 | — |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-19-000070 | Oct 30, 2019 | Oct 29, 2019 |
| 8-K | 8-K | 0000067716-19-000067 | Oct 4, 2019 | Oct 1, 2019 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-19-000056 | Jul 30, 2019 | — |
| 8-K | 8-K | 0000067716-19-000045 | May 8, 2019 | May 7, 2019 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-19-000038 | Apr 30, 2019 | — |
| 8-K | 8-K | 0001104659-19-010126 | Feb 22, 2019 | — |
| 8-K | MDU RESOURCES FORM 8-K | 0000067716-19-000013 | Feb 19, 2019 | — |
| 8-K | 8-K | 0000067716-19-000010 | Feb 15, 2019 | Feb 14, 2019 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-19-000004 | Feb 6, 2019 | Feb 5, 2019 |
| 8-K | 8-K | 0001104659-19-000025 | Jan 2, 2019 | Dec 31, 2018 |
| 8-K | MDU RESOURCES FORM 8-K | 0000067716-18-000080 | Dec 18, 2018 | — |
| 8-K | MDU RESOURCES FORM 8-K CAP EX | 0000067716-18-000076 | Nov 21, 2018 | Nov 20, 2018 |
| 8-K | 8-K | 0000067716-18-000073 | Nov 15, 2018 | — |
| 8-K | MDU RESOURCES FORM 8-K | 0000067716-18-000067 | Nov 1, 2018 | Oct 31, 2018 |
| 8-K | 8-K | 0000067716-18-000062 | Aug 16, 2018 | — |