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 676-700 of 1,000 matching filings.

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25
Current page
28
4

FORM 4

Filing date
03 Mar 2015
Reporting date
02 Mar 2015
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4

FORM 4

Filing date
03 Mar 2015
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02 Mar 2015
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4

FORM 4

Filing date
03 Mar 2015
Reporting date
02 Mar 2015
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4

FORM 4

Filing date
03 Mar 2015
Reporting date
02 Mar 2015
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ARS File 001-10499

AUTO-GENERATED PAPER DOCUMENT

Filing date
27 Feb 2015
Reporting date
31 Dec 2014
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4

FORM 4

Filing date
24 Feb 2015
Reporting date
23 Feb 2015
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4

FORM 4

Filing date
24 Feb 2015
Reporting date
23 Feb 2015
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4

FORM 4

Filing date
24 Feb 2015
Reporting date
23 Feb 2015
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4

FORM 4

Filing date
24 Feb 2015
Reporting date
23 Feb 2015
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4

FORM 4

Filing date
24 Feb 2015
Reporting date
23 Feb 2015
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4

FORM 4

Filing date
24 Feb 2015
Reporting date
23 Feb 2015
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4

FORM 4

Filing date
24 Feb 2015
Reporting date
23 Feb 2015
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8-K File 001-10499

8-K 2015 LTIP GRANTS

Filing date
18 Feb 2015
Reporting date
11 Feb 2015
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S-3ASR File 333-202126

S-3ASR

Filing date
17 Feb 2015
Reporting date
Not listed
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SC 13G/A File 005-36015

NORTHWESTERN AMENDEMENT

Filing date
17 Feb 2015
Reporting date
Not listed
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8-K File 001-10499

8-K Q4 2014 EARNINGS

Filing date
12 Feb 2015
Reporting date
12 Feb 2015
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10-K File 001-10499

10-K NORTHWESTERN CORPORATION

Filing date
12 Feb 2015
Reporting date
31 Dec 2014
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SC 13G/A File 005-36015

NWE AS OF 12/31/2014

Filing date
11 Feb 2015
Reporting date
Not listed
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SC 13G/A File 005-36015

SC 13G/A filing

Filing date
10 Feb 2015
Reporting date
Not listed
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4

FORM 4

Filing date
03 Feb 2015
Reporting date
02 Feb 2015
SEC evidence
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4

FORM 4

Filing date
03 Feb 2015
Reporting date
02 Feb 2015
SEC evidence
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4

FORM 4

Filing date
03 Feb 2015
Reporting date
02 Feb 2015
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
03 Feb 2015
Reporting date
02 Feb 2015
SEC evidence
Open document Open filing
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Verify source filing
4

FORM 4

Filing date
03 Feb 2015
Reporting date
02 Feb 2015
SEC evidence
Open document Open filing
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SC 13G/A File 005-36015

SC 13G/A filing

Filing date
15 Jan 2015
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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