Here are the 10-K annual reports from Atmos Energy Corporation (ATO) in our archive since June 2025, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 10-K covers the audited annual report, with the full financial statements, so if you follow ATO and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full ATO filings page.
Atmos Energy (ATO) filed its annual report, outlining a regulated utility serving about 3.4 million customers across eight states through two segments: distribution and pipeline & storage. The company emphasizes infrastructure modernization and mechanisms that reduce regulatory lag and stabilize margins.
Ratemaking activity was a key driver in fiscal 2025. Annualized outcomes implemented totaled $333,567,000 in increased operating income, or $322,846,000 excluding EDIT impacts. Notable actions included Atmos Pipeline–Texas GRIP ($77,206,000) and Mid‑Tex DARR ($25,916,000), with Louisiana adding $22,304,000. Mid‑Tex Cities approved a Formula Rate Mechanism effective October 1, 2025 with a rate base of $8.3 billion, authorized return of 7.42%, debt/equity 42/58, and ROE 9.80%.
As of March 31, 2025, the aggregate market value of common stock held by non‑affiliates was $24,413,133,216. As of November 10, 2025, shares outstanding were 161,693,336. The company reported peak‑day distribution demand of approximately 4.2 Bcf on February 19, 2025 against estimated availability of 5.4 Bcf. At September 30, 2025, Atmos Energy had 5,487 employees.