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 901-925 of 1,000 matching filings.

Per page
25
Current page
37
4

FORM 4

Filing date
01 Mar 2013
Reporting date
01 Mar 2013
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4

FORM 4

Filing date
01 Mar 2013
Reporting date
01 Mar 2013
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4

FORM 4

Filing date
22 Feb 2013
Reporting date
21 Feb 2013
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4

FORM 4

Filing date
22 Feb 2013
Reporting date
21 Feb 2013
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4

FORM 4

Filing date
22 Feb 2013
Reporting date
21 Feb 2013
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4

FORM 4

Filing date
22 Feb 2013
Reporting date
21 Feb 2013
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4

FORM 4

Filing date
22 Feb 2013
Reporting date
21 Feb 2013
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4

FORM 4

Filing date
22 Feb 2013
Reporting date
21 Feb 2013
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8-K File 001-10499

8-K

Filing date
19 Feb 2013
Reporting date
19 Feb 2013
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8-K File 001-10499

8-K

Filing date
19 Feb 2013
Reporting date
13 Feb 2013
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8-K File 001-10499

8-K

Filing date
14 Feb 2013
Reporting date
14 Feb 2013
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SC 13G File 005-36015

MUNDER 13G FILING FOR NORTHWESTERN CORPORATION

Filing date
13 Feb 2013
Reporting date
Not listed
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SC 13G/A File 005-36015

NWE AS OF 12/31/12

Filing date
11 Feb 2013
Reporting date
Not listed
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SC 13G/A File 005-36015

SC 13G/A filing

Filing date
11 Feb 2013
Reporting date
Not listed
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4

FORM 4

Filing date
04 Feb 2013
Reporting date
01 Feb 2013
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4

FORM 4

Filing date
04 Feb 2013
Reporting date
01 Feb 2013
SEC evidence
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4

FORM 4

Filing date
04 Feb 2013
Reporting date
01 Feb 2013
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4

FORM 4

Filing date
04 Feb 2013
Reporting date
01 Feb 2013
SEC evidence
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4

FORM 4

Filing date
04 Feb 2013
Reporting date
01 Feb 2013
SEC evidence
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4

FORM 4

Filing date
04 Feb 2013
Reporting date
01 Feb 2013
SEC evidence
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4

FORM 4

Filing date
04 Feb 2013
Reporting date
01 Feb 2013
SEC evidence
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SC 13G File 005-36015

NORTHWESTERN CORPORATION SC 13G

Filing date
29 Jan 2013
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-36015

SC 13G/A filing

Filing date
11 Jan 2013
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
02 Jan 2013
Reporting date
31 Dec 2012
SEC evidence
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