NORTHWESTERN CORP reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Sioux Falls, SD
SEC filing record 1 source field available
Fiscal year end
31 December
NORTHWESTERN CORP has filed 3,022 SEC EDGAR filings since 14 Feb 1994

SEC filing history

Showing 26-43 of 43 matching filings.

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25
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2
10-Q File 001-10499

FORM 10-Q JUNE 30, 2015

Filing date
23 Jul 2015
Reporting date
30 Jun 2015
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10-Q File 001-10499

FORM 10-Q 3.31.15

Filing date
23 Apr 2015
Reporting date
31 Mar 2015
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10-Q File 001-10499

10-Q JUNE 30, 2014

Filing date
24 Jul 2014
Reporting date
30 Jun 2014
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10-Q File 001-10499

FORM 10Q MARCH 31, 2013

Filing date
25 Apr 2013
Reporting date
31 Mar 2013
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10-Q File 001-10499

FORM 10Q FOR JUNE 30, 2012

Filing date
24 Jul 2012
Reporting date
30 Jun 2012
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10-Q File 001-10499

FORM 10-Q MARCH 31, 2012

Filing date
25 Apr 2012
Reporting date
31 Mar 2012
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10-Q File 001-10499

10-Q filing

Filing date
26 Oct 2011
Reporting date
30 Sep 2011
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10-Q File 001-10499

FORM 10-Q JUNE 30, 2011

Filing date
27 Jul 2011
Reporting date
30 Jun 2011
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10-Q File 001-10499

FORM 10-Q FOR THE PERIOD ENDED MARCH 31, 2011

Filing date
27 Apr 2011
Reporting date
31 Mar 2011
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10-Q/A File 001-10499

10-Q/A 09/30/2010

Filing date
28 Oct 2010
Reporting date
27 Oct 2010
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10-Q File 001-10499

10-Q_09/30/10

Filing date
28 Oct 2010
Reporting date
27 Oct 2010
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10-Q File 001-10499

10-Q_6/30/2010

Filing date
29 Jul 2010
Reporting date
28 Jul 2010
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10-Q File 001-10499

10Q_03/31/2010

Filing date
23 Apr 2010
Reporting date
22 Apr 2010
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