MDU RESOURCES GROUP INC reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Bismarck, ND
SEC filing record 1 source field available
Fiscal year end
31 December
MDU RESOURCES GROUP INC has filed 1,798 SEC EDGAR filings since 11 Feb 1994

SEC filing history

Showing 51-75 of 1,000 matching filings.

Per page
25
Current page
3
4

4 filing

Filing date
14 Nov 2025
Reporting date
13 Nov 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 001-03480

MDU RESOURCES FORM 10-Q

Filing date
10 Nov 2025
Reporting date
30 Sep 2025
Next action
Verify source filing
8-K File 001-03480

MDU RESOURCES FORM 8-K EARNINGS RELEASE

Filing date
06 Nov 2025
Reporting date
06 Nov 2025
Next action
Verify source filing
4

4 filing

Filing date
01 Oct 2025
Reporting date
30 Sep 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
01 Oct 2025
Reporting date
30 Sep 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
09 Sep 2025
Reporting date
08 Sep 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
19 Aug 2025
Reporting date
19 Aug 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
3

3 filing

Filing date
14 Aug 2025
Reporting date
12 Aug 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
3

3 filing

Filing date
14 Aug 2025
Reporting date
12 Aug 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 001-03480

MDU RESOURCES FORM 10-Q

Filing date
07 Aug 2025
Reporting date
30 Jun 2025
Next action
Verify source filing
8-K File 001-03480

MDU RESOURCES FORM 8-K

Filing date
07 Aug 2025
Reporting date
07 Aug 2025
Next action
Verify source filing
4

4 filing

Filing date
16 Jul 2025
Reporting date
15 May 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
01 Jul 2025
Reporting date
30 Jun 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
01 Jul 2025
Reporting date
30 Jun 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
11-K/A File 001-03480

MDU RESOURCES GROUP, INC. FORM 11-K/A

Filing date
23 Jun 2025
Reporting date
31 Dec 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
11-K File 001-03480

MDU RESOURCES GROUP, INC. FORM 11-K

Filing date
18 Jun 2025
Reporting date
31 Dec 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
SD File 001-03480

SD

Filing date
30 May 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
3

3 filing

Filing date
19 May 2025
Reporting date
13 May 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 001-03480

MDU RESOURCES FORM 10-Q

Filing date
08 May 2025
Reporting date
31 Mar 2025
Next action
Verify source filing
8-K File 001-03480

MDU RESOURCES FORM 8-K

Filing date
08 May 2025
Reporting date
08 May 2025
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .