{"cik":731802,"company":{"entity_status":null,"filings":[{"accession":"0001193125-26-419084","document":"d174816d8k.htm","filed":"2026-10-09","form":"8-K","items":"1.01,9.01","report_date":"2026-10-09"},{"accession":"0001193125-26-418579","document":"d174432d8k.htm","filed":"2026-10-09","form":"8-K","items":"8.01,9.01","report_date":"2026-10-06"},{"accession":"0000731802-26-000120","document":"xslF345X06/form4.xml","filed":"2026-10-05","form":"4","items":"","report_date":"2026-10-01"},{"accession":"0000731802-26-000118","document":"xslF345X06/form4.xml","filed":"2026-10-05","form":"4","items":"","report_date":"2026-10-01"},{"accession":"0000731802-26-000115","document":"xslF345X06/form4.xml","filed":"2026-09-17","form":"4","items":"","report_date":"2026-09-15"},{"accession":"0000731802-26-000113","document":"xslF345X06/form4.xml","filed":"2026-09-02","form":"4","items":"","report_date":"2026-09-01"},{"accession":"0000731802-26-000104","document":"xslF345X06/form4.xml","filed":"2026-08-12","form":"4","items":"","report_date":"2026-08-11"},{"accession":"0001193125-26-341096","document":"d138079d8k.htm","filed":"2026-08-10","form":"8-K","items":"5.02,7.01,9.01","report_date":"2026-08-04"},{"accession":"0000731802-26-000102","document":"ato-20260630.htm","filed":"2026-08-05","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0000731802-26-000100","document":"ato-20260805.htm","filed":"2026-08-05","form":"8-K","items":"2.02,9.01","report_date":"2026-08-05"},{"accession":"0000731802-26-000096","document":"xslF345X06/form4.xml","filed":"2026-07-02","form":"4","items":"","report_date":"2026-07-01"},{"accession":"0000731802-26-000094","document":"xslF345X06/form4.xml","filed":"2026-07-02","form":"4","items":"","report_date":"2026-07-01"},{"accession":"0001193125-26-276088","document":"d138781d8k.htm","filed":"2026-06-18","form":"8-K","items":"1.01,9.01","report_date":"2026-06-18"},{"accession":"0001193125-26-275070","document":"d134202d8k.htm","filed":"2026-06-18","form":"8-K","items":"8.01,9.01","report_date":"2026-06-15"},{"accession":"0000731802-26-000089","document":"ato-20260331.htm","filed":"2026-05-06","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0000731802-26-000086","document":"ato-20260506.htm","filed":"2026-05-06","form":"8-K","items":"2.02,9.01","report_date":"2026-05-06"},{"accession":"0000731802-26-000081","document":"xslF345X06/form4.xml","filed":"2026-05-04","form":"4","items":"","report_date":"2026-05-02"},{"accession":"0001193125-26-130403","document":"d125285d8k.htm","filed":"2026-03-30","form":"8-K","items":"1.01,2.03","report_date":"2026-03-27"},{"accession":"0001193125-26-044926","document":"d97547d8k.htm","filed":"2026-02-10","form":"8-K","items":"5.03,5.07,9.01","report_date":"2026-02-04"},{"accession":"0000731802-26-000013","document":"ato-20251231.htm","filed":"2026-02-03","form":"10-Q","items":"","report_date":"2025-12-31"},{"accession":"0000731802-26-000011","document":"ato-20260203.htm","filed":"2026-02-03","form":"8-K","items":"2.02,9.01","report_date":"2026-02-03"},{"accession":"0000731802-25-000076","document":"ato-20251218.htm","filed":"2025-12-19","form":"DEF 14A","items":"","report_date":"2026-02-04"},{"accession":"0000731802-25-000056","document":"ato-20250930.htm","filed":"2025-11-14","form":"10-K","items":"","report_date":"2025-09-30"},{"accession":"0000731802-25-000053","document":"ato-20251105.htm","filed":"2025-11-05","form":"8-K","items":"2.02,9.01","report_date":"2025-11-05"},{"accession":"0001193125-25-226779","document":"d80338d8k.htm","filed":"2025-10-01","form":"8-K","items":"1.01,9.01","report_date":"2025-10-01"},{"accession":"0001193125-25-225956","document":"d32832d8k.htm","filed":"2025-10-01","form":"8-K","items":"8.01,9.01","report_date":"2025-09-18"},{"accession":"0000731802-25-000026","document":"ato-20250630.htm","filed":"2025-08-06","form":"10-Q","items":"","report_date":"2025-06-30"},{"accession":"0000731802-25-000024","document":"ato-20250806.htm","filed":"2025-08-06","form":"8-K","items":"2.02,9.01","report_date":"2025-08-06"},{"accession":"0001193125-25-149018","document":"d28440d8k.htm","filed":"2025-06-26","form":"8-K","items":"1.01,9.01","report_date":"2025-06-26"},{"accession":"0001193125-25-147826","document":"d833569d8k.htm","filed":"2025-06-26","form":"8-K","items":"8.01,9.01","report_date":"2025-06-16"},{"accession":"0000731802-25-000017","document":"ato-20250331.htm","filed":"2025-05-07","form":"10-Q","items":"","report_date":"2025-03-31"},{"accession":"0000731802-25-000015","document":"ato-20250507.htm","filed":"2025-05-07","form":"8-K","items":"2.02,9.01","report_date":"2025-05-07"},{"accession":"0001193125-25-072753","document":"d937300d8k.htm","filed":"2025-04-04","form":"8-K","items":"1.01,2.03","report_date":"2025-03-31"},{"accession":"0001193125-25-024340","document":"d885901d8k.htm","filed":"2025-02-11","form":"8-K","items":"5.07","report_date":"2025-02-05"},{"accession":"0000731802-25-000006","document":"ato-20241231.htm","filed":"2025-02-04","form":"10-Q","items":"","report_date":"2024-12-31"},{"accession":"0000731802-25-000004","document":"ato-20250204.htm","filed":"2025-02-04","form":"8-K","items":"2.02,9.01","report_date":"2025-02-04"},{"accession":"0000731802-24-000035","document":"ato-20241218.htm","filed":"2024-12-20","form":"DEF 14A","items":"","report_date":"2025-02-05"},{"accession":"0001193125-24-271576","document":"d862327d8k.htm","filed":"2024-12-05","form":"8-K","items":"5.02,7.01,9.01","report_date":"2024-12-03"},{"accession":"0001193125-24-269563","document":"d817932d8k.htm","filed":"2024-12-03","form":"8-K","items":"1.01,9.01","report_date":"2024-12-03"},{"accession":"0000731802-24-000030","document":"ato-20240930.htm","filed":"2024-11-18","form":"10-K","items":"","report_date":"2024-09-30"}],"former_names":[],"gleif_parents":[],"headquarters":[{"latitude":32.779166666667,"longitude":-96.808888888889,"name":"Dallas","precision":"headquarters locality","source":"wikidata","url":"https://www.wikidata.org/wiki/Q16557"}],"insiders":[{"accession":"0000731802-26-000115","acquired_disposed":"D","code":"G","date":"2026-09-15","derivative":false,"filed":"2026-09-17","following_shares":"25866.08","form":"4","owners":["ROBBINS J MATT"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"1500.0"},{"accession":"0000731802-26-000113","acquired_disposed":"A","code":"A","date":"2026-09-01","derivative":true,"filed":"2026-09-02","following_shares":"1000.0","form":"4","owners":["Jeffries James Henry IV"],"plan_10b5_1":false,"price":"166.96","security":"Phantom Stock Units","shares":"1000.0"},{"accession":"0000731802-26-000104","acquired_disposed":"A","code":"P","date":"2026-08-11","derivative":false,"filed":"2026-08-12","following_shares":"488.0","form":"4","owners":["WARE WILLIAM JAMES"],"plan_10b5_1":false,"price":"167.59","security":"Common Stock","shares":"300.0"},{"accession":"0000731802-26-000096","acquired_disposed":"A","code":"A","date":"2026-07-01","derivative":true,"filed":"2026-07-02","following_shares":"1688.5","form":"4","owners":["Geiser Edward"],"plan_10b5_1":false,"price":"172.92","security":"Phantom Deferred Compensation","shares":"187.95"},{"accession":"0000731802-26-000094","acquired_disposed":"A","code":"A","date":"2026-07-01","derivative":false,"filed":"2026-07-02","following_shares":"257.0","form":"4","owners":["GARZA RAFAEL G"],"plan_10b5_1":false,"price":"172.92","security":"Common Stock","shares":"65.0"}],"legal_name":null,"lei":null,"lei_status":null,"lei_updated_at":null,"names":[{"entity_id":null,"kind":"alias","name":"Atmos Energy","source":"wikidata"}],"parent_exceptions":[],"parents":[],"wikidata_id":"Q4817084"},"research_built_at":"2026-10-23T06:11:20.354311+00:00","reviewed_events":[],"reviewed_events_coverage":"selective; not a complete event history; accounting series not reconciled","sources":[{"coverage":"8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-10-23T06:12:00.336203+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1658 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-10-23T06:12:25.714432+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1197 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-10-23T06:14:03.968440+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-10-23T06:27:13.562713+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-10-23T06:27:14.878114+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q3: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-10-23T06:12:21.860189+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}