MDU RESOURCES GROUP INC — All Filings
1,006 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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 |
|---|---|---|---|---|
| 4 | — | 0001225208-21-009135 | Jun 9, 2021 | Jun 8, 2021 |
| 4 | — | 0001225208-21-009133 | Jun 9, 2021 | Jun 8, 2021 |
| 4 | — | 0001225208-21-009068 | Jun 8, 2021 | Jun 7, 2021 |
| 4 | — | 0001225208-21-009054 | Jun 7, 2021 | Jun 4, 2021 |
| SD | SD | 0000067716-21-000033 | May 27, 2021 | — |
| 3 | — | 0001225208-21-008204 | May 17, 2021 | May 11, 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 |
| 10-Q | MDU RESOURCES FORM 10-Q 3-31-2021 | 0000067716-21-000026 | May 6, 2021 | Mar 31, 2021 |
| 4 | — | 0001225208-21-006185 | Apr 1, 2021 | Mar 31, 2021 |
| 4 | — | 0001225208-21-006182 | Apr 1, 2021 | Mar 31, 2021 |
| DEF 14A | MDU RESOURCES GROUP, INC. 2021 PROXY STATEMENT | 0000067716-21-000018 | Mar 26, 2021 | May 11, 2021 |
| DEFA14A | MDU RESOURCES GROUP, INC. 2021 PROXY NOTICE | 0000067716-21-000019 | Mar 26, 2021 | — |
| 8-K | 8-K | 0000067716-21-000010 | Mar 12, 2021 | Mar 9, 2021 |
| 4 | — | 0001225208-21-003639 | Feb 24, 2021 | Feb 23, 2021 |
| 10-K | 10-K | 0000067716-21-000007 | Feb 19, 2021 | Dec 31, 2020 |
| 4 | — | 0001225208-21-002532 | Feb 16, 2021 | Feb 11, 2021 |
| 4 | — | 0001225208-21-002538 | Feb 16, 2021 | Feb 11, 2021 |
| 4 | — | 0001225208-21-002531 | Feb 16, 2021 | Feb 11, 2021 |
| 4 | — | 0001225208-21-002537 | Feb 16, 2021 | Feb 11, 2021 |
| 4 | — | 0001225208-21-002533 | Feb 16, 2021 | Feb 11, 2021 |
| 4 | — | 0001225208-21-002544 | Feb 16, 2021 | Feb 11, 2021 |
| 4 | — | 0001225208-21-002549 | Feb 16, 2021 | Feb 11, 2021 |
| 4 | — | 0001225208-21-002553 | Feb 16, 2021 | Feb 11, 2021 |
| 4 | — | 0001225208-21-002557 | Feb 16, 2021 | Feb 11, 2021 |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-017240 | Feb 10, 2021 | — |
| SC 13G | — | 0000093751-21-000150 | Feb 9, 2021 | — |
| 3 | — | 0001225208-21-001883 | Feb 8, 2021 | Feb 6, 2021 |
| 8-K | MDU RESOURCES GROUP, INC. FORM 8-K | 0000067716-21-000003 | Feb 3, 2021 | — |
| SC 13G/A | — | 0000834237-21-004655 | Jan 29, 2021 | — |
| 4 | — | 0001225208-20-015145 | Dec 31, 2020 | — |
| 4 | — | 0001225208-20-015143 | Dec 31, 2020 | — |
| 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 | — |
| 4 | — | 0001225208-20-013650 | Nov 18, 2020 | Nov 17, 2020 |
| 4 | — | 0001225208-20-013648 | Nov 18, 2020 | Nov 17, 2020 |
| 4 | — | 0001225208-20-013644 | Nov 18, 2020 | Nov 17, 2020 |
| 4 | — | 0001225208-20-013646 | Nov 18, 2020 | Nov 17, 2020 |
| 4 | — | 0001225208-20-013634 | Nov 18, 2020 | Nov 17, 2020 |
| 4 | — | 0001225208-20-013637 | Nov 18, 2020 | Nov 17, 2020 |
| 4 | — | 0001225208-20-013638 | Nov 18, 2020 | Nov 17, 2020 |
| 4 | — | 0001225208-20-013641 | Nov 18, 2020 | Nov 17, 2020 |
| 4 | — | 0001225208-20-013643 | Nov 18, 2020 | Nov 17, 2020 |
| 4 | — | 0001225208-20-013419 | Nov 12, 2020 | Nov 11, 2020 |
| 8-K | 8-K | 0000067716-20-000056 | Nov 12, 2020 | — |
| 10-Q | MDU RESOURCES FORM 10-Q 9-30-2020 | 0000067716-20-000053 | Nov 5, 2020 | Sep 30, 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 |
| 4 | — | 0001225208-20-012023 | Oct 2, 2020 | Sep 30, 2020 |