Atmos Energy Corp SEC filings ATO

Atmos Energy Corp has 1,011 filings in SEC EDGAR's recent list, going back to Feb 3, 2015. Its latest annual report, Form ARS, was filed on Dec 19, 2025 for the period ended Sep 30, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 5, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (officer or director change, regulation fd disclosure). The company's fiscal year ends on September 30.

Form Description Filed Period
ARS Annual report to shareholders Dec 19, 2025 Sep 30, 2025
10-K Annual report Nov 14, 2025 Sep 30, 2025
ARS Annual report to shareholders Dec 20, 2024 Sep 30, 2024
10-K Annual report Nov 18, 2024 Sep 30, 2024
ARS Annual report to shareholders Dec 29, 2023 Sep 30, 2023
10-K Annual report Nov 14, 2023 Sep 30, 2023
10-K Annual report Nov 14, 2022 Sep 30, 2022
10-K Annual report Nov 12, 2021 Sep 30, 2021
10-K Annual report Nov 13, 2020 Sep 30, 2020
10-K Annual report Nov 12, 2019 Sep 30, 2019
10-K Annual report Nov 13, 2018 Sep 30, 2018
10-K Annual report Nov 13, 2017 Sep 30, 2017
10-K Annual report Nov 14, 2016 Sep 30, 2016
ARS Annual report to shareholders Dec 21, 2015 Sep 30, 2015
10-K Annual report Nov 6, 2015 Sep 30, 2015

Showing 15 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

Company profile

Industry
Natural Gas Distribution (SIC 4924)
Listed as
ATO (NYSE)
Fiscal year ends
September 30
Incorporated in
TX
Headquarters
Dallas, TX
SEC filer status
Large accelerated filer
SEC CIK
731802

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.