ATMOS ENERGY CORP — 424B3 Filings
21 424B3 filings on record
This page lists all 424B3 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 21 424B3 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 |
|---|---|---|---|---|
| 424B3 | 424B3 | 0001193125-26-038101 | Feb 5, 2026 | — |
| 424B3 | 424B3 | 0001193125-22-284786 | Nov 14, 2022 | — |
| 424B3 | 424B3 | 0001193125-20-143994 | May 15, 2020 | — |
| 424B3 | 424B3 | 0001193125-20-080683 | Mar 20, 2020 | — |
| 424B3 | 424B3 | 0001193125-19-292052 | Nov 14, 2019 | — |
| 424B3 | 424B3 | 0001193125-19-217097 | Aug 9, 2019 | — |
| 424B3 | 424B3 | 0000950134-09-005843 | Mar 23, 2009 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0000950134-07-013201 | Jun 11, 2007 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0000950134-06-022542 | Dec 4, 2006 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0000950134-04-015140 | Oct 18, 2004 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0000950134-04-015074 | Oct 15, 2004 | — |
| 424B3 | PROPECTUS SUPPLEMENT | 0000950134-04-009766 | Jul 8, 2004 | — |
| 424B3 | FORM 424B3 | 0001193125-04-055309 | Apr 1, 2004 | — |
| 424B3 | PRELIMINARY PROSPECTUS SUPPLEMENT | 0000950134-03-009289 | Jun 18, 2003 | — |
| 424B3 | PROSPECTUS SUPPLEMENT | 0000950134-03-000499 | Jan 14, 2003 | — |
| 424B3 | PROSPECTUS SUPPLEMENT -- FILE NO. 333-93705 | 0000950134-01-501479 | May 11, 2001 | — |
| 424B3 | PROSPECTUS SUPPLEMENT - FILE NO. 333-93705 | 0000950134-00-010210 | Dec 1, 2000 | — |
| 424B3 | FORM 424B3 | 0000930661-00-001677 | Jul 12, 2000 | — |
| 424B3 | FINAL PROSPECTUS | 0000930661-98-002605 | Dec 14, 1998 | — |
| 424B3 | PRELIMINARY PROSPECTUS SUPPLEMENT | 0000950134-98-006058 | Jul 21, 1998 | — |
| 424B3 | FINAL PROSPECTUS | 0000930661-96-001621 | Nov 14, 1996 | — |