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AVISTA CORP — 10-K Filings

28 10-K filings on record

This page lists all 10-K filings submitted to the SEC by AVISTA CORP (AVA), sorted by most recent first. Each row links to the full filing on EdgarLookup. AVISTA CORP has filed 28 10-K documents with the SEC since 2017. To view all SEC filings by AVISTA CORP, see the full filings list.

Overview All Filings Financials Insiders
All 10-12B/A 10-K 10-K/A 10-K405 10-Q 11-K 11-K/A 144 25-NSE 3 3/A 4 4/A 424B1 424B2 424B3 424B5 425 5 8-A12B 8-A12B/A 8-K 8-K/A ARS CORRESP DEF 14A DEFA14A DEFM14A DFAN14A EFFECT FWP NO ACT POS AM PRE 14A PREM14A S-3 S-3/A S-3ASR S-3D S-4 S-4/A S-8 S-8 POS SC 13E4 SC 13E4/A SC 13G SC 13G/A SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
10-K 10-K 0001193125-26-067872 Feb 25, 2026 Dec 31, 2025
10-K 10-K 0000950170-25-027077 Feb 26, 2025 Dec 31, 2024
10-K 10-K 0000950170-24-017421 Feb 21, 2024 Dec 31, 2023
10-K 10-K 0000950170-23-003546 Feb 22, 2023 Dec 31, 2022
10-K 10-K 0000950170-22-001672 Feb 23, 2022 Dec 31, 2021
10-K 10-K 0001564590-21-007774 Feb 24, 2021 Dec 31, 2020
10-K 10-K 0000104918-20-000036 Feb 26, 2020 Dec 31, 2019
10-K 10-K 0000104918-19-000053 Feb 20, 2019 Dec 31, 2018
10-K 10-K 0000104918-18-000043 Feb 21, 2018 Dec 31, 2017
10-K 10-K 0000104918-17-000053 Feb 22, 2017 Dec 31, 2016
10-K 10-K 0000104918-16-000185 Feb 24, 2016 Dec 31, 2015
10-K 10-K 0000104918-15-000044 Feb 25, 2015 Dec 31, 2014
10-K 10-K 0000104918-14-000036 Feb 26, 2014 Dec 31, 2013
10-K FORM 10-K 0000104918-13-000042 Feb 26, 2013 Dec 31, 2012
10-K FORM 10-K 0001193125-12-085473 Feb 28, 2012 Dec 31, 2011
10-K FORM 10-K 0001193125-11-047407 Feb 25, 2011 Dec 31, 2010
10-K FORM 10-K 0001193125-10-042906 Feb 26, 2010 Dec 31, 2009
10-K FORM 10-K 0001193125-09-040752 Feb 27, 2009 Dec 31, 2008
10-K FORM 10-K 0001193125-08-040207 Feb 27, 2008 Dec 31, 2007
10-K FORM 10-K 0001193125-07-041126 Feb 27, 2007 Dec 31, 2006
10-K FORM 10-K 0001193125-06-047284 Mar 7, 2006 Dec 31, 2005
10-K FORM 10-K 0000891020-05-000059 Mar 11, 2005 Dec 31, 2004
10-K FORM 10-K, FYE 12/31/2003 0000950124-04-000732 Mar 8, 2004 Dec 31, 2003
10-K FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 2002 0000891020-03-000804 Mar 14, 2003 Dec 31, 2002
10-K FORM 10-K FOR PERIOD ENDED DEC. 31, 2001 0000891020-02-000255 Mar 18, 2002 Dec 31, 2001
10-K FORM 10-K FISCAL YEAR ENDED DECEMBER 31,2000 0001095811-01-001564 Mar 8, 2001 Dec 31, 2000
10-K FORM 10-K FOR PERIOD ENDED DECEMBER 31, 1999 0000891020-00-000526 Mar 17, 2000 Dec 31, 1999
10-K THE WASHINGTON WATER POWER COMPANY FORM 10-K 0000891020-94-000019 Mar 4, 1994 Dec 31, 1993