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 776-800 of 1,000 matching filings.

Per page
25
Current page
32
4

FORM 4

Filing date
02 Apr 2014
Reporting date
01 Apr 2014
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4

FORM 4

Filing date
02 Apr 2014
Reporting date
01 Apr 2014
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4

FORM 4

Filing date
02 Apr 2014
Reporting date
31 Mar 2014
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4

FORM 4

Filing date
02 Apr 2014
Reporting date
31 Mar 2014
SEC evidence
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4

FORM 4

Filing date
02 Apr 2014
Reporting date
31 Mar 2014
SEC evidence
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4

FORM 4

Filing date
02 Apr 2014
Reporting date
31 Mar 2014
SEC evidence
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4

FORM 4

Filing date
02 Apr 2014
Reporting date
31 Mar 2014
SEC evidence
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4

FORM 4

Filing date
02 Apr 2014
Reporting date
31 Mar 2014
SEC evidence
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8-K File 001-10499

8-K

Filing date
02 Apr 2014
Reporting date
02 Apr 2014
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8-K File 001-10499

8-K

Filing date
20 Mar 2014
Reporting date
20 Mar 2014
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ARS File 001-10499

AUTO-GENERATED PAPER DOCUMENT

Filing date
10 Mar 2014
Reporting date
31 Dec 2013
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DEFA14A File 001-10499

DEFA14A

Filing date
07 Mar 2014
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-10499

DEF 14A

Filing date
07 Mar 2014
Reporting date
24 Apr 2014
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4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
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4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
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4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
Open document Open filing
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Verify source filing
4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
Open document Open filing
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Verify source filing
4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Mar 2014
Reporting date
28 Feb 2014
SEC evidence
Open document Open filing
Next action
Verify source filing
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