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 801-825 of 1,000 matching filings.

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25

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33

8-K File 001-10499

8-K

Filing date: 04 Mar 2014
Reporting date: 04 Mar 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K

Filing date: 24 Feb 2014
Reporting date: 18 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-10499

8-K

Filing date: 19 Feb 2014
Reporting date: 19 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-10499

FORM 10-K DECEMBER 31, 2013

Filing date: 19 Feb 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SC 13G File 005-36015

NORTHWESTERN CORP 13G

Filing date: 12 Feb 2014
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-36015

SC 13G/A filing

Filing date: 12 Feb 2014
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-36015

NWE AS OF 12/31/2013

Filing date: 10 Feb 2014
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Feb 2014
Reporting date: 03 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Feb 2014
Reporting date: 03 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Feb 2014
Reporting date: 03 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Feb 2014
Reporting date: 03 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Feb 2014
Reporting date: 03 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Feb 2014
Reporting date: 03 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Feb 2014
Reporting date: 03 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Feb 2014
Reporting date: 03 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-36015

SC 13G/A filing

Filing date: 17 Jan 2014
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-36015

SC 13G/A filing

Filing date: 10 Jan 2014
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Jan 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Jan 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Jan 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Jan 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Jan 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Jan 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Jan 2014
Reporting date: 02 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Jan 2014
Reporting date: 02 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

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