Atmos Energy (ATO) Financial History
Review Atmos Energy annual and quarterly financial results, key ratios, insider transactions and SEC filing history in one chronological view. Data available from FY2008 through FY2025.
Financials
18 fiscal years, FY2008 to FY2025
Insider trades
662 trades
Risk factor changes
9 changes in the latest 10-K
Filings
Annual and quarterly reports
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Atmos Energy Financial Statements
History since FY2008. Annual, in US dollars. Source: 10-K XBRL data.
Atmos Energy Revenue and Growth
Compare reported revenue and year-over-year revenue growth across available fiscal years.
Atmos Energy Income Statements
Review revenue, gross profit, operating income, net income and earnings per share.
Atmos Energy Balance Sheets
Review reported debt and book-value-based ratios where company data is available.
Atmos Energy Cash Flow Statements
Compare reported free cash flow across the available fiscal history.
Atmos Energy Financial Ratios
Compare net margin, price-to-earnings and price-to-book ratios by fiscal year.
| Fiscal year | FY2008 🔒 | FY2009 🔒 | FY2010 🔒 | FY2011 🔒 | FY2012 🔒 | FY2013 🔒 | FY2014 🔒 | FY2015 🔒 | FY2016 🔒 | FY2017 🔒 | FY2018 🔒 | FY2019 🔒 | FY2020 🔒 | FY2021 | FY20226 new risk factorsInsiders net sold $101K | FY2023 | FY20242 new risk factorsInsiders net sold $3.4M | FY2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $3.4B | $4.2B | $4.3B | $4.2B | $4.7B |
| Revenue growth | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | — | +23.3% | +1.8% | -2.6% | +12.9% |
| Gross profit | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $2.4B | $2.5B | $2.8B | — | — |
| Operating income | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $0.9B | $0.9B | $1.1B | $1.4B | $1.6B |
| Net income | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $0.7B | $0.8B | $0.9B | $1.0B | $1.2B |
| Debt | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $7.4B | $8.2B | $6.9B | $7.8B | $9.0B |
| Free cash flow | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $-3.1B | $-1.5B | $0.7B | $-1.2B | $-1.5B |
| Net margin | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | 19.5% | 18.4% | 20.7% | 25.0% | 25.5% |
| EPS (diluted) | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $5.12 | $5.60 | $6.10 | $6.83 | $7.46 |
| P/E ratio | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | 17.2× | 18.2× | 17.4× | 20.3× | 22.9× |
| P/B ratio | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | 1.5× | 1.5× | 1.4× | 1.8× | 2.0× |
Daily closing prices, aggregated by calendar year.
| Year | 2000 🔒 | 2001 🔒 | 2002 🔒 | 2003 🔒 | 2004 🔒 | 2005 🔒 | 2006 🔒 | 2007 🔒 | 2008 🔒 | 2009 🔒 | 2010 🔒 | 2011 🔒 | 2012 🔒 | 2013 🔒 | 2014 🔒 | 2015 🔒 | 2016 🔒 | 2017 🔒 | 2018 🔒 | 2019 🔒 | 2020 🔒 | 2021 🔒 | 2022 | 2023 | 2024 | 2025 | 2026 (YTD) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Open | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $104.70 | $112.25 | $115.91 | $139.99 | $166.91 |
| Close | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $112.08 | $115.89 | $139.29 | $167.55 | $175.05 |
| High | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $122.97 | $125.28 | $152.69 | $180.66 | $192.63 |
| Low | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $97.45 | $101.04 | $110.46 | $136.17 | $151.07 |
| Annual return | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | +6.9% | +3.4% | +20.2% | +20.3% | +4.5% |
Atmos Energy Insider Transactions
From Form 4 filings. Showing the latest 5 of 662 trades.
| Traded | Filed | Insider | Type | Shares | Value | % of holdings |
|---|---|---|---|---|---|---|
| 2026-11-03 | 2026-11-04 | Matt Robbins SR VP, HUMAN RESOURCES | Option exercise | 8,990 | $1.6M | — |
| 2026-11-03 | 2026-11-04 | Matt Robbins SR VP, HUMAN RESOURCES | Tax withholding | 3,538 | $614K | — |
| 2026-11-03 | 2026-11-04 | John McDill SR VP, UTILITY OPERATIONS | Option exercise (2 trades) | 12,528 | $2.2M | — |
| 2026-11-03 | 2026-11-04 | Jeffery Martinez SR VP, UTILITY OPERATIONS | Option exercise | 4,000 | $694K | — |
| 2026-11-03 | 2026-11-04 | Jeffery Martinez SR VP, UTILITY OPERATIONS | Tax withholding | 1,574 | $273K | — |
Atmos Energy Risk Factor Changes
Latest 10-K compared with the year before. 9 changes found.
satisfy our liquidity requirements.
The competition for talent has become increasingly intense.
In residential and commercial customer markets, our distribution operations compete with other energy products, such as electricity and propane.
FERC has regulatory authority over some of our operations, including the use and release of interstate pipeline and storage capacity.
We are subject to safety and financial regulatory oversight from various federal, state, and local regulatory authorities in the eight states that we serve.
our allowed returns to recover that investment can be filed.
Our long-term debt is currently rated as “investment grade” by Standard & Poor’s Corporation and Moody’s Investors Service, Inc.
growth slows or existing customers choose to conserve their use of gas or choose another energy product, reduced gas purchases and customer billings could adversely impact our business.
interpretation by FERC or additional regulations issued by FERC in the future could also adversely affect our business, financial condition, or financial results.
Atmos Energy SEC Filings
Latest annual and quarterly reports, current reports, proxy statements and ownership filings.
| Form | Filed | Description | Document |
|---|---|---|---|
| Current report (8-K) | 2026-11-04 | Executive change, Company update | View document |
| Current report (8-K) | 2026-11-04 | Quarterly results | View document |
| Current report (8-K) | 2026-10-09 | Material agreement | View document |
| Current report (8-K) | 2026-10-09 | Other news | View document |
| Registration or offering | 2026-10-06 | Securities offering | View document |
Atmos Energy financial metrics by year
Atmos Energy in the S&P 500 rankings
- #74 by net profit margin as of FY2025
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