Northwestern Corp 10-Q, 10-Q/A, 10-QT, and 10-QT/A reports

Location
3010 W 69 Th Street, Sioux Falls, SD
State of incorporation
DE
Fiscal year end
December 31
Data updated at
7/19/2024, 08:55 AM
Form type Sec Links Description Filing date Reporting date
10-Q Report | Data 10-Q Oct 27, 2023 Sep 30, 2023
10-Q Report | Data 10-Q Jul 25, 2023 Jun 30, 2023
10-Q Report | Data 10-Q Apr 28, 2023 Mar 31, 2023
10-Q Report | Data 10-Q Oct 25, 2022 Sep 30, 2022
10-Q Report | Data 10-Q Jul 28, 2022 Jun 30, 2022
10-Q Report | Data 10-Q Apr 29, 2022 Mar 31, 2022
10-Q Report | Data 10-Q Oct 25, 2021 Sep 30, 2021
10-Q Report | Data 10-Q Jul 28, 2021 Jun 30, 2021
10-Q Report | Data 10-Q Apr 22, 2021 Mar 31, 2021
10-Q Report | Data 10-Q Oct 22, 2020 Sep 30, 2020
10-Q Report | Data 10-Q Jul 29, 2020 Jun 30, 2020
10-Q Report | Data 10-Q Apr 23, 2020 Mar 31, 2020
10-Q Report | Data 10-Q Oct 30, 2019 Sep 30, 2019
10-Q Report | Data 10-Q Jul 24, 2019 Jun 30, 2019
10-Q Report | Data 10-Q Apr 24, 2019 Mar 31, 2019
10-Q Report | Data FORM 10-Q SEPTEMBER 30, 2018 Oct 24, 2018 Sep 30, 2018
10-Q Report | Data FORM 10-Q 6.30.18 Jul 20, 2018 Jun 30, 2018
10-Q Report | Data FORM 10-Q 3.31.18 Apr 25, 2018 Mar 31, 2018
10-Q Report | Data FORM 10-Q SEPTEMBER 30, 2017 Nov 2, 2017 Sep 30, 2017
10-Q Report | Data FORM 10-Q JUNE 30, 2017 Jul 26, 2017 Jun 30, 2017
10-Q Report | Data FORM 10-Q MARCH 31, 2017 Apr 27, 2017 Mar 31, 2017
10-Q Report | Data FORM 10-Q SEPTEMBER 30, 2016 Oct 20, 2016 Sep 30, 2016
10-Q Report | Data FORM 10-Q JUNE 30, 2016 Jul 22, 2016 Jun 30, 2016
10-Q Report | Data FORM 10-Q 3.31.16 Apr 20, 2016 Mar 31, 2016
10-Q Report | Data FORM 10-Q SEPTEMBER 30, 2015 Oct 22, 2015 Sep 30, 2015
10-Q Report | Data FORM 10-Q JUNE 30, 2015 Jul 23, 2015 Jun 30, 2015
10-Q Report | Data FORM 10-Q 3.31.15 Apr 23, 2015 Mar 31, 2015
10-Q Report | Data 10-Q Oct 23, 2014 Sep 30, 2014
10-Q Report | Data 10-Q JUNE 30, 2014 Jul 24, 2014 Jun 30, 2014
10-Q Report | Data 10-Q Apr 24, 2014 Mar 31, 2014
10-Q Report | Data 10-Q Oct 24, 2013 Sep 30, 2013
10-Q Report | Data 10-Q Jul 25, 2013 Jun 30, 2013
10-Q Report | Data FORM 10Q MARCH 31, 2013 Apr 25, 2013 Mar 31, 2013
10-Q Report | Data 10-Q Oct 24, 2012 Sep 30, 2012
10-Q Report | Data FORM 10Q FOR JUNE 30, 2012 Jul 24, 2012 Jun 30, 2012
10-Q Report | Data FORM 10-Q MARCH 31, 2012 Apr 25, 2012 Mar 31, 2012
10-Q Report | Data Oct 26, 2011 Sep 30, 2011
10-Q Report | Data FORM 10-Q JUNE 30, 2011 Jul 27, 2011 Jun 30, 2011
10-Q Report | Data FORM 10-Q FOR THE PERIOD ENDED MARCH 31, 2011 Apr 27, 2011 Mar 31, 2011
10-Q Report 10-Q_09/30/10 Oct 28, 2010 Oct 27, 2010
10-Q/A Report | Data 10-Q/A 09/30/2010 Oct 28, 2010 Oct 27, 2010
10-Q Report | Data 10-Q_6/30/2010 Jul 29, 2010 Jul 28, 2010
10-Q Report 10Q_03/31/2010 Apr 23, 2010 Apr 22, 2010
10-Q Report Q3-2009 Oct 29, 2009 Oct 28, 2009
10-Q Report Jul 29, 2009 Jul 28, 2009
10-Q Report Apr 23, 2009 Mar 31, 2009
10-Q Report Oct 30, 2008 Sep 30, 2008
10-Q Report Jul 31, 2008 Jun 30, 2008
10-Q Report Apr 24, 2008 Mar 31, 2008
10-Q Report FORM 10-Q 3RD QTR. 2007 Oct 31, 2007 Sep 30, 2007
10-Q Report Aug 8, 2007 Jun 30, 2007
10-Q Report May 2, 2007 Mar 31, 2007
10-Q Report Nov 2, 2006 Sep 30, 2006
10-Q Report Aug 3, 2006 Jun 30, 2006
10-Q Report FORM 10-Q MARCH 31, 2006 May 4, 2006 Mar 31, 2006
10-Q Report QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D) Nov 9, 2005 Sep 30, 2005
10-Q Report 10-Q Aug 2, 2005 Jun 30, 2005
10-Q Report 10-Q May 10, 2005 Mar 31, 2005
10-Q Report 10-Q Nov 8, 2004 Sep 30, 2004
10-Q Report 10-Q Aug 6, 2004 Jun 30, 2004
10-Q Report FORM 10-Q May 7, 2004 Mar 31, 2004
10-Q Report 10-Q Nov 14, 2003 Sep 30, 2003
10-Q Report FORM 10-Q Aug 14, 2003 Jun 30, 2003
10-Q Report 10-Q May 15, 2003 Mar 31, 2003
10-Q Report FORM 10-Q Nov 14, 2002 Sep 30, 2002
10-Q Report 10-Q Aug 14, 2002 Jun 30, 2002
10-Q Report 10-Q May 15, 2002 Mar 31, 2002
10-Q Report 10-Q Nov 14, 2001 Sep 30, 2001
10-Q Report 10-Q Aug 14, 2001 Jun 30, 2001
10-Q Report FORM 10-Q May 15, 2001 Mar 31, 2001
10-Q Report 10-Q Nov 13, 2000 Sep 30, 2000
10-Q Report 10-Q Aug 14, 2000 Jun 30, 2000
10-Q Report MARCH 31, 2000 10Q May 15, 2000 Mar 31, 2000
10-Q Report 10-Q FOR 09/30/99 Nov 15, 1999 Sep 30, 1999
10-Q Report 10-Q FOR 06/30/99 Aug 16, 1999 Jun 30, 1999
10-Q Report 10-Q FOR 03/31/99 May 17, 1999 Mar 31, 1999
10-Q Report 10-Q FOR 09/30/98 Nov 12, 1998 Sep 30, 1998
10-Q Report 10-Q FOR 06/30/98 Aug 14, 1998 Jun 30, 1998
10-Q Report 10-Q FOR 03/31/98 May 15, 1998 Mar 31, 1998
10-Q Report 10-Q FOR 9/30/97 Nov 14, 1997 Sep 30, 1997
10-Q Report 10-Q FOR 6/30/97 Aug 14, 1997 Jun 30, 1997
10-Q Report 10-Q FOR 3/31/97 May 15, 1997 Mar 31, 1997
10-Q Report 10-Q FOR 9/30/96 Nov 14, 1996 Sep 30, 1996
10-Q Report 10-Q FOR 6/30/96 Aug 14, 1996 Jun 30, 1996
10-Q Report 10-Q FOR 3/31/96 May 14, 1996 Mar 31, 1996
10-Q Report 10-Q FOR 9/30/95 Nov 14, 1995 Sep 30, 1995
10-Q Report 10-Q FOR 6/30/95 Aug 14, 1995 Jun 30, 1995