NORTHWESTERN CORP reports

Company location: Sioux Falls, SD
Fiscal year end: 31 December

NORTHWESTERN CORP has filed 3,022 SEC EDGAR filings since 14 Feb 1994

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SEC filing history

Showing 476-500 of 1,000 matching filings.

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8-K File 001-10499

8-K 2017 MIDWEST AND AGA FINANCIAL FORUM

Filing date: 17 May 2017
Reporting date: 17 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 15 May 2017
Reporting date: 15 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-10499

144 ROWE MAY 11 2017

Filing date: 11 May 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 May 2017
Reporting date: 03 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 May 2017
Reporting date: 01 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K 2017 ANNUAL MEETING VOTING RESULTS

Filing date: 02 May 2017
Reporting date: 27 Apr 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 May 2017
Reporting date: 01 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3

Filing date: 28 Apr 2017
Reporting date: 28 Apr 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3

Filing date: 28 Apr 2017
Reporting date: 28 Apr 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K Q1 2017 EARNINGS

Filing date: 27 Apr 2017
Reporting date: 27 Apr 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-10499

FORM 10-Q MARCH 31, 2017

Filing date: 27 Apr 2017
Reporting date: 31 Mar 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-10499

8-K WEST COAST UTILITIES 2017

Filing date: 22 Mar 2017
Reporting date: 22 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-10499

DEFA14A 2017 ANNUAL MEETING NOTICE

Filing date: 16 Mar 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-10499

DEF 14A 2017 PROXY STATEMENT

Filing date: 16 Mar 2017
Reporting date: 16 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Mar 2017
Reporting date: 10 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 08 Mar 2017
Reporting date: 08 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 07 Mar 2017
Reporting date: 06 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 07 Mar 2017
Reporting date: 07 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 06 Mar 2017
Reporting date: 03 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2017
Reporting date: 01 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2017
Reporting date: 01 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2017
Reporting date: 01 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2017
Reporting date: 01 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2017
Reporting date: 01 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2017
Reporting date: 01 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

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