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 1,789 SEC EDGAR filings since 11 Feb 1994

SEC filing history

Showing 1-25 of 1,000 matching filings.

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25
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1
SCHEDULE 13G File 005-35797

SCHEDULE 13G filing

Filing date
13 May 2026
Reporting date
Not listed
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10-Q File 001-03480

MDU RESOURCES FORM 10-Q

Filing date
07 May 2026
Reporting date
31 Mar 2026
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8-K File 001-03480

MDU RESOURCES FORM 8-K EARNINGS RELEASE

Filing date
07 May 2026
Reporting date
07 May 2026
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SCHEDULE 13G File 005-35797

SCHEDULE 13G filing

Filing date
30 Apr 2026
Reporting date
Not listed
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SCHEDULE 13G File 005-35797

SCHEDULE 13G filing

Filing date
29 Apr 2026
Reporting date
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SCHEDULE 13G File 005-35797

SCHEDULE 13G filing

Filing date
09 Apr 2026
Reporting date
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4

4 filing

Filing date
01 Apr 2026
Reporting date
31 Mar 2026
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4

4 filing

Filing date
01 Apr 2026
Reporting date
31 Mar 2026
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ARS File 001-03480

ARS

Filing date
01 Apr 2026
Reporting date
31 Mar 2026
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DEFA14A File 001-03480

DEFA14A

Filing date
01 Apr 2026
Reporting date
Not listed
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DEF 14A File 001-03480

DEF 14A

Filing date
01 Apr 2026
Reporting date
11 May 2026
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SCHEDULE 13G/A File 005-35797

SCHEDULE 13G/A filing

Filing date
27 Mar 2026
Reporting date
Not listed
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4

4 filing

Filing date
19 Feb 2026
Reporting date
17 Feb 2026
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4

4 filing

Filing date
19 Feb 2026
Reporting date
17 Feb 2026
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4

4 filing

Filing date
19 Feb 2026
Reporting date
17 Feb 2026
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4

4 filing

Filing date
19 Feb 2026
Reporting date
17 Feb 2026
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4

4 filing

Filing date
19 Feb 2026
Reporting date
17 Feb 2026
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4

4 filing

Filing date
19 Feb 2026
Reporting date
17 Feb 2026
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4

4 filing

Filing date
19 Feb 2026
Reporting date
17 Feb 2026
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4

4 filing

Filing date
19 Feb 2026
Reporting date
17 Feb 2026
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4

4 filing

Filing date
17 Feb 2026
Reporting date
13 Feb 2026
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SCHEDULE 13G File 005-35797

SCHEDULE 13G filing

Filing date
11 Feb 2026
Reporting date
Not listed
SEC evidence
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8-K File 001-03480

MDU RESOURCES GROUP, INC. FORM 8-K

Filing date
05 Feb 2026
Reporting date
05 Feb 2026
Next action
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