11-K
File 001-03480
MDU RESOURCES FORM 11-K
- Filing date
- 16 Jun 2017
- Reporting date
- 31 Dec 2016
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MDU RESOURCES GROUP INC reports
- Company location
- Bismarck, ND
- Fiscal year end
- 31 December
Company
Names, identifiers, and filing context for this profile.
1 identity field
SEC filing record 1 source field available
MDU RESOURCES GROUP INC has filed 1,792 SEC EDGAR filings since 11 Feb 1994
SEC filing history
Showing 551-575 of 1,000 matching filings.
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23
SD
File 001-03480
SD
- Filing date
- 25 May 2017
- Reporting date
- Not listed
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8-K
File 001-03480
8-K
- Filing date
- 24 May 2017
- Reporting date
- 23 May 2017
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8-K
File 001-03480
8-K
- Filing date
- 10 May 2017
- Reporting date
- 09 May 2017
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10-Q
File 001-03480
MDU RESOURCES FORM 10-Q 3-31-2017
- Filing date
- 08 May 2017
- Reporting date
- 31 Mar 2017
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8-K
File 001-03480
MDU RESOURCES FORM 8-K
- Filing date
- 03 May 2017
- Reporting date
- 03 May 2017
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4
PRIMARY DOCUMENT
- Filing date
- 31 Mar 2017
- Reporting date
- 31 Mar 2017
- SEC evidence
- Open document Open filing
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4
PRIMARY DOCUMENT
- Filing date
- 31 Mar 2017
- Reporting date
- 31 Mar 2017
- SEC evidence
- Open document Open filing
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DEFA14A
File 001-03480
DEFA14A
- Filing date
- 24 Mar 2017
- Reporting date
- Not listed
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DEF 14A
File 001-03480
DEF 14A
- Filing date
- 24 Mar 2017
- Reporting date
- 24 Mar 2017
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PRE 14A
File 001-03480
PRE 14A
- Filing date
- 14 Mar 2017
- Reporting date
- 14 Mar 2017
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10-K
File 001-03480
MDU RESOURCES 2016 FORM 10-K
- Filing date
- 24 Feb 2017
- Reporting date
- 31 Dec 2016
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4/A
PRIMARY DOCUMENT
- Filing date
- 21 Feb 2017
- Reporting date
- 16 Feb 2017
- SEC evidence
- Open document Open filing
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4
PRIMARY DOCUMENT
- Filing date
- 21 Feb 2017
- Reporting date
- 16 Feb 2017
- SEC evidence
- Open document Open filing
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4
PRIMARY DOCUMENT
- Filing date
- 21 Feb 2017
- Reporting date
- 16 Feb 2017
- SEC evidence
- Open document Open filing
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4
PRIMARY DOCUMENT
- Filing date
- 21 Feb 2017
- Reporting date
- 16 Feb 2017
- SEC evidence
- Open document Open filing
- Next action
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4
PRIMARY DOCUMENT
- Filing date
- 21 Feb 2017
- Reporting date
- 16 Feb 2017
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
PRIMARY DOCUMENT
- Filing date
- 21 Feb 2017
- Reporting date
- 16 Feb 2017
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
PRIMARY DOCUMENT
- Filing date
- 21 Feb 2017
- Reporting date
- 16 Feb 2017
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
PRIMARY DOCUMENT
- Filing date
- 21 Feb 2017
- Reporting date
- 16 Feb 2017
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
PRIMARY DOCUMENT
- Filing date
- 21 Feb 2017
- Reporting date
- 16 Feb 2017
- SEC evidence
- Open document Open filing
- Next action
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8-K
File 001-03480
8-K
- Filing date
- 21 Feb 2017
- Reporting date
- 16 Feb 2017
- SEC evidence
- Open document Open filing
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SC 13G/A
File 005-35797
SC 13G/A
- Filing date
- 14 Feb 2017
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
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SC 13G/A
File 005-35797
SC 13G/A filing
- Filing date
- 10 Feb 2017
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
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SC 13G/A
File 005-35797
SC 13G/A filing
- Filing date
- 10 Feb 2017
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing