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 526-550 of 1,000 matching filings.

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25

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22

3

FORM 3

Filing date: 09 Dec 2016
Reporting date: 09 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K TONY CLARK DIRECTOR

Filing date: 08 Dec 2016
Reporting date: 06 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Nov 2016
Reporting date: 28 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 21 Nov 2016
Reporting date: 21 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K 2016 EEI FINANCIAL CONFERENCE

Filing date: 04 Nov 2016
Reporting date: 04 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Nov 2016
Reporting date: 01 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Nov 2016
Reporting date: 01 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Nov 2016
Reporting date: 01 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K KEY EMPLOYEE SEVERANCE PLAN 2016

Filing date: 25 Oct 2016
Reporting date: 19 Oct 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K 2016 WEST COAST PRESENTATION

Filing date: 24 Oct 2016
Reporting date: 24 Oct 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K Q3 2016 EARNINGS

Filing date: 20 Oct 2016
Reporting date: 20 Oct 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-10499

FORM 10-Q SEPTEMBER 30, 2016

Filing date: 20 Oct 2016
Reporting date: 30 Sep 2016
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-10499

8-K 2016 09 30 SD FMB

Filing date: 07 Oct 2016
Reporting date: 30 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 20 Sep 2016
Reporting date: 19 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-10499

144 ROWE SEPT 19 2016

Filing date: 19 Sep 2016
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K 2016 09 08 NY INVESTORS

Filing date: 08 Sep 2016
Reporting date: 08 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K 2016 POLLUTION CONTROL BONDS

Filing date: 16 Aug 2016
Reporting date: 11 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Aug 2016
Reporting date: 02 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Aug 2016
Reporting date: 01 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Aug 2016
Reporting date: 01 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Aug 2016
Reporting date: 01 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 29 Jul 2016
Reporting date: 27 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K 2016 Q2 EARNINGS RELEASE

Filing date: 22 Jul 2016
Reporting date: 22 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-10499

FORM 10-Q JUNE 30, 2016

Filing date: 22 Jul 2016
Reporting date: 30 Jun 2016
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-10499

8-K SD FMB

Filing date: 22 Jun 2016
Reporting date: 15 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

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