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 176-200 of 1,000 matching filings.

Per page
25
Current page
8
SC 13G/A File 005-36015

FILING NORTHWESTERN CORP

Filing date
07 Dec 2021
Reporting date
Not listed
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424B2 File 333-253047

424B5

Filing date
18 Nov 2021
Reporting date
Not listed
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424B5 File 333-253047

424B5

Filing date
15 Nov 2021
Reporting date
Not listed
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4

FORM 4

Filing date
16 Sep 2021
Reporting date
15 Sep 2021
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4

FORM 4

Filing date
25 Aug 2021
Reporting date
23 Aug 2021
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4

FORM 4

Filing date
06 Aug 2021
Reporting date
05 Aug 2021
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S-3ASR File 333-257950

S-3ASR

Filing date
16 Jul 2021
Reporting date
Not listed
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4

FORM 4

Filing date
22 Jun 2021
Reporting date
22 Jun 2021
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4

FORM 4

Filing date
14 May 2021
Reporting date
14 May 2021
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4

FORM 4

Filing date
29 Apr 2021
Reporting date
29 Apr 2021
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8-K File 001-10499

8-K ANNUAL MEETING VOTING RESULTS 2021

Filing date
27 Apr 2021
Reporting date
22 Apr 2021
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4

FORM 4

Filing date
27 Apr 2021
Reporting date
26 Apr 2021
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