ATO - CIK 0000731802
ATMOS ENERGY CORP has filed 2,121 documents with the SEC between 1994 and 2026. The most frequent type is insider trade (1,233 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| 10-K405 | - | 1995-12-14 | 1995-09-30 |
| Quarterly report | 10-Q | 1995-08-09 | 1995-06-30 |
| Employee plan annual report | 11-K | 1995-06-28 | 1994-12-31 |
| Quarterly report | 10-Q | 1995-05-10 | 1995-03-31 |
| Employee stock plan | S-8 | 1995-02-14 | - |
| Employee stock plan | S-8 | 1995-02-14 | - |
| Quarterly report | 10-Q | 1995-02-13 | 1994-12-31 |
| Proxy statement | DEF 14A | 1994-12-27 | 1995-02-08 |
| Securities registration | S-3 | 1994-12-16 | - |
| Annual report | 10-K | 1994-12-15 | 1994-09-30 |
| PRE 14A | - | 1994-12-02 | 1995-02-08 |
| Quarterly report | 10-Q | 1994-08-11 | 1994-06-30 |
| Major company event | 8-K | 1994-07-21 | 1993-12-22 |
| Annual report (amended) | 10-K/A | 1994-06-30 | 1993-09-30 |
| Quarterly report | 10-Q | 1994-05-13 | 1994-03-31 |
| S-3D/A | - | 1994-04-01 | - |
| Passive ownership stake | SC 13G | 1994-02-25 | - |
| Quarterly report | 10-Q | 1994-02-14 | 1993-12-31 |
| Major company event (amended) | 8-K/A | 1994-01-31 | 1993-12-22 |
| Proxy materials | DEFA14A | 1994-01-07 | - |
| Major company event | 8-K | 1994-01-05 | 1993-12-22 |