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 926-950 of 1,000 matching filings.

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25

Current page

38

4

FORM 4

Filing date: 02 Jan 2013
Reporting date: 31 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Jan 2013
Reporting date: 31 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Jan 2013
Reporting date: 31 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Jan 2013
Reporting date: 31 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Jan 2013
Reporting date: 31 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Jan 2013
Reporting date: 02 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Jan 2013
Reporting date: 02 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K

Filing date: 18 Dec 2012
Reporting date: 12 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K

Filing date: 10 Dec 2012
Reporting date: 10 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K

Filing date: 04 Dec 2012
Reporting date: 04 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Dec 2012
Reporting date: 03 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Dec 2012
Reporting date: 03 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Dec 2012
Reporting date: 03 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K

Filing date: 09 Nov 2012
Reporting date: 09 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K

Filing date: 09 Nov 2012
Reporting date: 09 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-36015

SC 13G/A filing

Filing date: 09 Nov 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 01 Nov 2012
Reporting date: 01 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 01 Nov 2012
Reporting date: 01 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 01 Nov 2012
Reporting date: 01 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 01 Nov 2012
Reporting date: 01 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

FORM 8-K EARNINGS RELEASE Q3 2012

Filing date: 24 Oct 2012
Reporting date: 24 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-10499

10-Q

Filing date: 24 Oct 2012
Reporting date: 30 Sep 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-10499

8-K

Filing date: 11 Oct 2012
Reporting date: 05 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Oct 2012
Reporting date: 01 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Oct 2012
Reporting date: 01 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

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