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 501-525 of 1,000 matching filings.

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25
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21
4

FORM 4

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
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4

FORM 4

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
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4

FORM 4

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
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SC 13G/A File 005-36015

SC 13G/A filing

Filing date
02 Mar 2017
Reporting date
Not listed
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8-K File 001-10499

8-K 2017 UBS UTILITIES

Filing date
28 Feb 2017
Reporting date
28 Feb 2017
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8-K File 001-10499

8-K BRADLEY RESIGNATION

Filing date
27 Feb 2017
Reporting date
22 Feb 2017
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8-K File 001-10499

8-K 2017 LTIP AWARDS

Filing date
23 Feb 2017
Reporting date
16 Feb 2017
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8-K File 001-10499

8-K Q4 2016 EARNINGS

Filing date
17 Feb 2017
Reporting date
16 Feb 2017
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10-K File 001-10499

FORM 10-K 12.31.16

Filing date
17 Feb 2017
Reporting date
31 Dec 2016
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SC 13G/A File 005-36015

SC 13G/A filing

Filing date
13 Feb 2017
Reporting date
Not listed
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SC 13G/A File 005-36015

SC 13G/A filing

Filing date
10 Feb 2017
Reporting date
Not listed
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4

FORM 4

Filing date
03 Feb 2017
Reporting date
02 Feb 2017
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4

FORM 4

Filing date
03 Feb 2017
Reporting date
02 Feb 2017
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4

FORM 4

Filing date
03 Feb 2017
Reporting date
02 Feb 2017
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4

FORM 4

Filing date
03 Feb 2017
Reporting date
02 Feb 2017
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4

FORM 4

Filing date
03 Feb 2017
Reporting date
02 Feb 2017
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SC 13G/A File 005-36015

SC 13G/A filing

Filing date
17 Jan 2017
Reporting date
Not listed
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4/A

FORM 4/A

Filing date
10 Jan 2017
Reporting date
03 Jan 2017
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4

FORM 4

Filing date
10 Jan 2017
Reporting date
09 Jan 2017
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4

FORM 4

Filing date
05 Jan 2017
Reporting date
03 Jan 2017
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4

FORM 4

Filing date
05 Jan 2017
Reporting date
03 Jan 2017
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4

FORM 4

Filing date
04 Jan 2017
Reporting date
03 Jan 2017
SEC evidence
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8-K File 001-10499

8-K THIRD AMENDED CREDIT AGREEMENT

Filing date
16 Dec 2016
Reporting date
12 Dec 2016
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8-K File 001-10499

8-K 2016 ERRP AND 2017 ANNUAL INCENTIVE PLAN

Filing date
13 Dec 2016
Reporting date
07 Dec 2016
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8-K File 001-10499

8-K 2016 12 12 EAST COAST INVESTOR MEETINGS

Filing date
12 Dec 2016
Reporting date
12 Dec 2016
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