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 1,792 SEC EDGAR filings since 11 Feb 1994

SEC filing history

Showing 876-900 of 1,000 matching filings.

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25
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36
SC 13G/A File 005-35797

SCHEDULE 13G/A - 12/31/2012

Filing date
14 Feb 2013
Reporting date
Not listed
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SC 13G File 005-35797

SC 13G filing

Filing date
13 Feb 2013
Reporting date
Not listed
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SC 13G File 005-35797

SC 13G filing

Filing date
12 Feb 2013
Reporting date
Not listed
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8-K File 001-03480

MDU RESOURCES GROUP, INC. FORM 8-K

Filing date
11 Feb 2013
Reporting date
06 Feb 2013
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SC 13G/A File 005-35797

MDU AS OF 12/31/2012

Filing date
07 Feb 2013
Reporting date
Not listed
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SC 13G/A File 005-35797

SC 13G/A filing

Filing date
05 Feb 2013
Reporting date
Not listed
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8-K File 001-03480

MDU RESOURCES GROUP, INC. FORM 8-K

Filing date
05 Feb 2013
Reporting date
04 Feb 2013
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3

PRIMARY DOCUMENT

Filing date
08 Jan 2013
Reporting date
04 Jan 2013
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5

PRIMARY DOCUMENT

Filing date
08 Jan 2013
Reporting date
31 Dec 2012
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4

PRIMARY DOCUMENT

Filing date
31 Dec 2012
Reporting date
31 Dec 2012
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4

PRIMARY DOCUMENT

Filing date
10 Dec 2012
Reporting date
07 Dec 2012
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4

PRIMARY DOCUMENT

Filing date
10 Dec 2012
Reporting date
07 Dec 2012
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4

PRIMARY DOCUMENT

Filing date
10 Dec 2012
Reporting date
07 Dec 2012
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4

PRIMARY DOCUMENT

Filing date
30 Nov 2012
Reporting date
30 Nov 2012
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8-K File 001-03480

MDU RESOURCES GROUP, INC. FORM 8-K

Filing date
20 Nov 2012
Reporting date
14 Nov 2012
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8-K/A File 001-03480

MDU RESOURCES GROUP, INC. FORM 8-K/A

Filing date
20 Nov 2012
Reporting date
16 Aug 2012
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4

PRIMARY DOCUMENT

Filing date
20 Nov 2012
Reporting date
19 Nov 2012
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4

PRIMARY DOCUMENT

Filing date
20 Nov 2012
Reporting date
19 Nov 2012
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4

PRIMARY DOCUMENT

Filing date
20 Nov 2012
Reporting date
19 Nov 2012
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4

PRIMARY DOCUMENT

Filing date
20 Nov 2012
Reporting date
19 Nov 2012
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4

PRIMARY DOCUMENT

Filing date
20 Nov 2012
Reporting date
19 Nov 2012
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4

PRIMARY DOCUMENT

Filing date
20 Nov 2012
Reporting date
19 Nov 2012
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4

PRIMARY DOCUMENT

Filing date
20 Nov 2012
Reporting date
19 Nov 2012
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4

PRIMARY DOCUMENT

Filing date
20 Nov 2012
Reporting date
19 Nov 2012
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4

PRIMARY DOCUMENT

Filing date
20 Nov 2012
Reporting date
19 Nov 2012
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