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ATMOS ENERGY CORP — 10-K Filings

26 10-K filings on record

This page lists all 10-K filings submitted to the SEC by ATMOS ENERGY CORP (ATO), sorted by most recent first. Each row links to the full filing on EdgarLookup. ATMOS ENERGY CORP has filed 26 10-K documents with the SEC since 2014. To view all SEC filings by ATMOS ENERGY CORP, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 11-K 144 3 3/A 305B2 4 4/A 424B1 424B2 424B3 424B5 424B8 5 8-A12B 8-A12B/A 8-K 8-K/A ARS CORRESP DEF 14A DEFA14A EFFECT FWP PRE 14A PX14A6G REGDEX S-3 S-3/A S-3ASR S-3D S-3D/A S-4 S-8 SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A SF-1 SF-1/A UPLOAD
Form Description Accession Number Filed Period
10-K 10-K 0000731802-25-000056 Nov 14, 2025 Sep 30, 2025
10-K 10-K 0000731802-24-000030 Nov 18, 2024 Sep 30, 2024
10-K 10-K 0000731802-23-000028 Nov 14, 2023 Sep 30, 2023
10-K 10-K 0000731802-22-000037 Nov 14, 2022 Sep 30, 2022
10-K 10-K 0000731802-21-000040 Nov 12, 2021 Sep 30, 2021
10-K 10-K 0000731802-20-000040 Nov 13, 2020 Sep 30, 2020
10-K 10-K 0000731802-19-000037 Nov 12, 2019 Sep 30, 2019
10-K 10-K 0000731802-18-000039 Nov 13, 2018 Sep 30, 2018
10-K 10-K 0000731802-17-000041 Nov 13, 2017 Sep 30, 2017
10-K 10-K 0000731802-16-000066 Nov 14, 2016 Sep 30, 2016
10-K FORM 10-K 0000731802-15-000030 Nov 6, 2015 Sep 30, 2015
10-K FORM 10-K 0000731802-14-000034 Nov 6, 2014 Sep 30, 2014
10-K FORM 10-K 0000731802-13-000017 Nov 13, 2013 Sep 30, 2013
10-K FORM 10-K 0001193125-12-466518 Nov 13, 2012 Sep 30, 2012
10-K FORM 10-K 0000950123-11-100074 Nov 22, 2011 Sep 30, 2011
10-K FORM 10-K 0000950123-10-105040 Nov 12, 2010 Sep 30, 2010
10-K FORM 10-K 0000950123-09-063189 Nov 16, 2009 Sep 30, 2009
10-K FORM 10-K 0000950134-08-020908 Nov 19, 2008 Sep 30, 2008
10-K FORM 10-K 0000950134-07-024659 Nov 29, 2007 Sep 30, 2007
10-K FORM 10-K 0000950134-06-022105 Nov 22, 2006 Sep 30, 2006
10-K FORM 10-K 0000950134-05-021927 Nov 18, 2005 Sep 30, 2005
10-K FORM 10-K 0000950134-04-017924 Nov 19, 2004 Sep 30, 2004
10-K FORM 10-K 0000950134-03-015731 Nov 21, 2003 Sep 30, 2003
10-K FORM 10-K 0000950134-02-014920 Nov 22, 2002 Sep 30, 2002
10-K FORM 10-K 0000930661-97-002911 Dec 22, 1997 Sep 30, 1997
10-K — 0000731802-94-000018 Dec 15, 1994 Sep 30, 1994