Welcome to our dedicated page for Atmos Energy SEC filings (Ticker: ATO), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Atmos Energy Corporation (NYSE: ATO) SEC filings page provides access to the company’s official regulatory documents as filed with the U.S. Securities and Exchange Commission. As a fully regulated, natural gas-only distributor and S&P 500 utility headquartered in Dallas, Texas, Atmos Energy uses these filings to report on its financial condition, governance, financing activities, and executive compensation.
Key filings for Atmos Energy include annual reports on Form 10-K and quarterly reports on Form 10-Q, which present detailed information about its natural gas distribution, transmission, and storage operations, capital expenditures, regulatory outcomes, and risk factors. Current reports on Form 8-K disclose material events such as earnings releases, senior note offerings, and other significant corporate actions, including public offerings of unsecured senior notes issued under an existing indenture.
The company’s definitive proxy statement on Schedule 14A (DEF 14A) outlines board structure, director elections, committee responsibilities, and proposals submitted to shareholders, as well as extensive discussion of executive compensation, pay versus performance, and amendments to the articles of incorporation. These materials also summarize Atmos Energy’s vision to be the safest provider of natural gas services and its strategy to operate its business exceptionally well, invest in people and infrastructure, and enhance its culture.
On this page, users can review Atmos Energy’s Forms 10-K, 10-Q, 8-K, and DEF 14A as they are made available through EDGAR. AI-powered summaries help explain the contents of lengthy filings, highlight important sections such as financing transactions and governance changes, and make it easier to understand how regulatory disclosures relate to ATO stock and the company’s regulated utility business.
Rafael Garza, identified as a director of Atmos Energy Corporation (ATO), reported an acquisition of 66 shares of the issuer's common stock on 10/01/2025 at a reported price of $170.125 per share. The shares were received under the Atmos Energy Corporation 1998 Long-Term Incentive Plan and the transaction is stated to be exempt under Rule 16b-3(d). The Form 4 was filed as a single reporting-person filing and the submission was signed by an agent acting under power of attorney. The disclosure shows the post-transaction beneficial ownership for this reported line as 66 shares held directly.
Atmos Energy Corporation filed an 8-K reporting documentation related to its long-term debt instruments. The filing references an indenture dated March 26, 2009 and includes an Officers' Certificate dated October 1, 2025, along with Global Security instruments for the 5.450% Senior Notes due 2056. The cover page interactive XBRL data is included as Exhibit 101. The filing is signed by Daniel M. Meziere, Vice President of Investor Relations and Treasurer. These exhibits document the legal and administrative framework for the companys outstanding senior notes and the related trustee arrangements.
Atmos Energy Corporation filed an 8-K reporting documentation and closing steps tied to a debt issuance and related legal opinions. The filing lists an Underwriting Agreement dated
Atmos Energy Corporation files a prospectus supplement for debt securities that incorporates by reference its 10-K for the fiscal year ended September 30, 2024 and Quarterly Reports including the quarter ended June 30, 2025. The company reported $3,965,275 (in thousands) for the nine months ended June 30, 2025 versus $3,507,243 for the nine months ended June 30, 2024, and presented related period comparatives across fiscal years. Basic per-share metrics shown include $6.40 for the nine months ended June 30, 2025 versus $6.00 in 2024 and other per-share figures for prior years.
Balance sheet snapshots show total assets of $27,712,527 (in thousands) as of June 30, 2025, versus $24,891,251 as of September 30, 2024. The prospectus supplement discloses the company's service footprint and customer meters by state, including Texas with 1,804,265 customer meters, Louisiana 360,870, and other state-level meter counts. Interest on the notes will be payable semi-annually beginning in 2026. The company states its FY2024 financial statements were audited by Ernst & Young LLP.
T. Rowe Price Associates, Inc. reports beneficial ownership of 7,745,683 shares of Atmos Energy Corp common stock, representing 4.9% of the class. The filing shows sole voting power over 7,547,409 shares and sole dispositive power over 7,743,775 shares, with no shared voting or dispositive power reported. The reporting person states the shares were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer. The statement is filed on Schedule 13G/A by T. Rowe Price as an investment adviser.
Atmos Energy Corp. (NYSE: ATO) filed an 8-K on 6-Aug-2025 to furnish a press release (Ex. 99.1) announcing its fiscal 3Q 2025 results (quarter ended 30-Jun-2025). No financial metrics are included in the filing; detailed numbers are contained in the press release itself, which is not reproduced here. Management will discuss the results on a webcasted conference call 7-Aug-2025 at 10:00 a.m. ET. Slides will be posted on the company’s investor website. The furnished information is not deemed “filed” under the Exchange Act.
Atmos Energy (NYSE:ATO) filed an 8-K announcing the completion of a $500 million public offering of 5.200% Senior Notes due 2035.
The notes are unsecured, rank pari-passu with existing unsubordinated debt, and carry semi-annual interest starting Feb 15 2026. Net proceeds equal approximately $493.5 million.
The Indenture limits liens, sale-leasebacks, mergers and major asset sales, and includes standard events of default. Atmos may redeem the notes at make-whole prices.
Although no specific use of proceeds was disclosed, the transaction lengthens the debt maturity profile and enhances near-term liquidity.
Atmos Energy (NYSE: ATO) filed a Form 8-K announcing a $500 million underwritten offering of 5.200% senior notes due 2035.
The underwriting agreement was executed on June 16, 2025 with Credit Agricole Securities, J.P. Morgan Securities and U.S. Bancorp Investments as joint book-runners. Atmos expects $493.5 million in net proceeds after underwriting discounts and expenses. The notes, issued under the 2009 indenture and represented by a global security, are scheduled to close on or about June 26, 2025.
The transaction extends the company’s debt-maturity profile and secures a fixed coupon, but will add roughly $26 million in annual interest expense. Exhibits include the underwriting agreement, officers’ certificate, global security and related legal opinions.
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