ATMOS ENERGY CORP — 424B2 Filings
31 424B2 filings on record
This page lists all 424B2 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 31 424B2 documents with the SEC since 2014. To view all SEC filings by ATMOS ENERGY CORP, see the full filings list.
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 |
|---|---|---|---|---|
| 424B2 | 424B2 | 0001193125-25-211345 | Sep 22, 2025 | — |
| 424B2 | 424B2 | 0001193125-25-142320 | Jun 18, 2025 | — |
| 424B2 | 424B2 | 0001193125-24-222098 | Sep 19, 2024 | — |
| 424B2 | 424B2 | 0001193125-24-164576 | Jun 20, 2024 | — |
| 424B2 | 424B2 | 0001193125-23-252986 | Oct 10, 2023 | — |
| 424B2 | 424B2 | 0001193125-22-254356 | Sep 29, 2022 | — |
| 424B2 | 424B2 | 0001193125-22-008662 | Jan 13, 2022 | — |
| 424B2 | 424B2 | 0001193125-21-280670 | Sep 23, 2021 | — |
| 424B2 | 424B2 | 0001193125-21-071742 | Mar 8, 2021 | — |
| 424B2 | 424B2 | 0001193125-20-253470 | Sep 24, 2020 | — |
| 424B2 | 424B2 | 0001193125-19-257267 | Sep 27, 2019 | — |
| 424B2 | 424B2 | 0001193125-19-053069 | Feb 27, 2019 | — |
| 424B2 | 424B2 | 0001193125-18-339831 | Nov 30, 2018 | — |
| 424B2 | FINAL PROSPECTUS SUPPLEMENT | 0001193125-18-290970 | Oct 2, 2018 | — |
| 424B2 | FINAL PROSPECTUS SUPPLEMENT | 0001193125-17-357285 | Nov 30, 2017 | — |
| 424B2 | FINAL PROSPECTUS SUPPLEMENT | 0001193125-17-196465 | Jun 7, 2017 | — |
| 424B2 | FINAL PROSPECTUS SUPPLEMENT | 0001193125-14-365695 | Oct 7, 2014 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0001193125-14-047694 | Feb 12, 2014 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0001193125-13-008205 | Jan 9, 2013 | — |
| 424B2 | 424B2 | 0000950123-11-057600 | Jun 8, 2011 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0000950134-09-005942 | Mar 24, 2009 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0000950134-07-013346 | Jun 13, 2007 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0000950134-06-022850 | Dec 8, 2006 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0000950134-04-015509 | Oct 22, 2004 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0000950134-04-015315 | Oct 20, 2004 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0000950134-04-010080 | Jul 15, 2004 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0000950134-03-009313 | Jun 19, 2003 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0000950134-03-000578 | Jan 15, 2003 | — |
| 424B2 | PROSPECTUS - FILE NO. 333-93705 | 0000950134-01-502063 | May 16, 2001 | — |
| 424B2 | PROSPECTUS - FILE NO. 333-93705 | 0000950134-00-010506 | Dec 15, 2000 | — |
| 424B2 | PROSPECTUS SUPPLEMENT | 0000950134-98-006110 | Jul 23, 1998 | — |