$ 10-K SEC Filings

Filed On	Filing
17 Feb 2023	10-K
11 Feb 2022	10-K
12 Feb 2021	10-K
13 Feb 2020	10-K
12 Feb 2019	FORM 10-K 2018
13 Feb 2018	FORM 10-K 2017
17 Feb 2017	FORM 10-K 12.31.16
11 Feb 2016	10-K
12 Feb 2015	10-K NORTHWESTERN CORPORATION
19 Feb 2014	FORM 10-K DECEMBER 31, 2013
14 Feb 2013	10-K
16 Feb 2012	NORTHWESTERN CORPORATION FORM 10-K
11 Feb 2011	10-K
12 Feb 2010	10-K 12/31/2009
13 Feb 2009	10-K
26 Feb 2008	10-K
28 Feb 2007	10-K
03 Mar 2006	ANNUAL REPORT PURSUANT TO SECTION 13 AND 15(D)
14 Mar 2005	10-K
15 Mar 2004	10-K