ATMOS ENERGY CORP
ATO · Natural Gas Distribution · 166.9M shares · +5%/yr ↑ shares · EDGAR filings ↗
Reference price $171.15 · est. market cap ~$28.6B — last insider sale, 2025-12-03 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
B73Well-run regulated natural gas distributor with strong margins and cash generation.
Strengths
- High net margin 25.5% (81.8th pct) and OCF margin 43.6% (83rd)
- Above-median ROE 8.84% (70th pct) with steady rate-base growth
Risks
- Net income growth modest (14.9%, 27th pct) and current ratio sub-1 (0.77)
- Capital-intensive model dependent on regulatory rate recovery
Notable findings
- Weak liquidityCurrent ratio 0.77 (<1)
- Strong balance sheetStrong balance sheet — $203M cash & investments
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Operating margin
33.2%
Net margin
25.5%
Return on equity
8.8%
Return on assets
4.2%
Revenue growth (QoQ)
46.2%
Net-income growth
14.9%
Current ratio
0.8×
EBITDA
$2.3B
Tangible book value
$12.8B
Cash & investments
$203M
Stock comp / revenue
0.3%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-05-02 | ROBBINS J MATT | Option exercise | 2.8K | $189.74 |
| 2026-05-02 | ROBBINS J MATT | Tax withheld | 1.0K | $189.74 |
| 2026-05-02 | MCDILL JOHN S | Option exercise | 2.8K | $189.74 |
| 2026-05-02 | MCDILL JOHN S | Tax withheld | 1.0K | $189.74 |
| 2026-05-02 | HARTSFIELD KAREN E | Option exercise | 2.8K | $189.74 |
| 2026-05-02 | HARTSFIELD KAREN E | Tax withheld | 1.0K | $189.74 |
| 2026-05-02 | Forsythe Christopher T | Option exercise | 4.0K | $189.74 |
| 2026-05-02 | Forsythe Christopher T | Tax withheld | 1.6K | $189.74 |
| 2026-05-02 | FAULK MICHELLE | Option exercise | 175 | $189.74 |
| 2026-05-02 | FAULK MICHELLE | Tax withheld | 70 | $189.74 |
| 2026-05-02 | AKERS JOHN K | Option exercise | 17K | $189.74 |
| 2026-05-02 | AKERS JOHN K | Tax withheld | 6.2K | $187.74 |
| 2026-04-01 | GARZA RAFAEL G | Grant | 60 | $185.09 |
| 2026-03-07 | COMPTON KELLY H | Option exercise | 1.1K | $184.73 |
| 2026-03-07 | COCKLIN KIM R | Option exercise | 1.1K | $184.73 |
| 2026-03-07 | Ale John C. | Option exercise | 1.1K | $184.73 |
| 2026-02-04 | Sampson Richard A | Conversion | 31K | $171.62 |
| 2026-02-04 | Sampson Richard A | Conversion | 685 | $171.62 |
| 2026-01-02 | BATEMAN JESSICA WALKER | Option exercise | 2.5K | $168.23 |
| 2026-01-02 | BATEMAN JESSICA WALKER | Tax withheld | 1.0K | $168.23 |
| 2026-01-02 | GARZA RAFAEL G | Grant | 66 | $168.23 |
| 2025-12-16 | COMPTON KELLY H | Gift | 442 | $169.16 |
| 2025-12-10 | ROBBINS J MATT | Gift | 1.5K | $166.80 |
| 2025-12-03 | DONOHUE SEAN | Sell | 450 | $171.15 |
| 2025-11-04 | AKERS JOHN K | Option exercise | 32K | $172.96 |
| 2025-11-04 | AKERS JOHN K | Tax withheld | 13K | $172.96 |
| 2025-11-04 | Forsythe Christopher T | Option exercise | 7.6K | $172.96 |
| 2025-11-04 | Forsythe Christopher T | Tax withheld | 3.0K | $172.96 |
| 2025-11-04 | FAULK MICHELLE | Option exercise | 336 | $172.96 |
| 2025-11-04 | FAULK MICHELLE | Tax withheld | 116 | $172.96 |
| 2025-11-04 | HARTSFIELD KAREN E | Option exercise | 5.4K | $172.96 |
| 2025-11-04 | HARTSFIELD KAREN E | Tax withheld | 2.1K | $172.96 |
| 2025-11-04 | MCDILL JOHN S | Option exercise | 5.4K | $172.96 |
| 2025-11-04 | MCDILL JOHN S | Tax withheld | 2.1K | $172.96 |
| 2025-11-04 | ROBBINS J MATT | Option exercise | 5.4K | $172.96 |
| 2025-11-04 | ROBBINS J MATT | Tax withheld | 2.1K | $172.96 |
| 2025-10-01 | GARZA RAFAEL G | Grant | 66 | $170.12 |
| 2025-05-14 | COCKLIN KIM R | Sell | 15K | $150.98 |
| 2025-05-02 | ROBBINS J MATT | Option exercise | 2.5K | $160.66 |
| 2025-05-02 | ROBBINS J MATT | Tax withheld | 996 | $160.66 |
| 2025-05-02 | MCDILL JOHN S | Option exercise | 2.5K | $160.66 |
| 2025-05-02 | MCDILL JOHN S | Tax withheld | 927 | $160.66 |
| 2025-05-02 | HARTSFIELD KAREN E | Option exercise | 2.5K | $160.66 |
| 2025-05-02 | HARTSFIELD KAREN E | Tax withheld | 986 | $160.66 |
| 2025-05-02 | Forsythe Christopher T | Option exercise | 3.4K | $160.66 |
| 2025-05-02 | Forsythe Christopher T | Tax withheld | 1.4K | $160.66 |
| 2025-05-02 | FAULK MICHELLE | Option exercise | 160 | $160.66 |
| 2025-05-02 | FAULK MICHELLE | Tax withheld | 64 | $160.66 |
| 2025-05-02 | AKERS JOHN K | Option exercise | 11K | $160.66 |
| 2025-05-02 | AKERS JOHN K | Tax withheld | 4.1K | $160.66 |
| 2025-03-08 | DONOHUE SEAN | Option exercise | 1.3K | $147.75 |
| 2025-03-08 | COMPTON KELLY H | Option exercise | 1.3K | $147.75 |
| 2025-03-08 | COCKLIN KIM R | Option exercise | 1.3K | $147.75 |
| 2025-02-05 | GORDON RICHARD K | Conversion | 72K | $144.69 |
| 2025-02-05 | WALTERS DIANA J | Conversion | 4.5K | $144.69 |
| 2025-02-05 | WALTERS DIANA J | Option exercise | 1.3K | $144.69 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-18 | OtherExhibits | filing ↗ |
| 2026-06-18 | Material agreementExhibits | filing ↗ |
| 2026-05-06 | ResultsExhibits | filing ↗ |
| 2026-03-30 | Material agreementDebt obligation | filing ↗ |
| 2026-02-10 | 5.03Shareholder voteExhibits | filing ↗ |
| 2026-02-03 | ResultsExhibits | filing ↗ |
| 2025-11-05 | ResultsExhibits | filing ↗ |
| 2025-10-01 | Material agreementExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-18 | 2026-06-15 | 0001193125-26-275070 ↗ |
| 8-K | 2026-06-18 | 2026-06-18 | 0001193125-26-276088 ↗ |
| 10-Q | 2026-05-06 | 2026-03-31 | 0000731802-26-000089 ↗ |
| 8-K | 2026-05-06 | 2026-05-06 | 0000731802-26-000086 ↗ |
| 8-K | 2026-03-30 | 2026-03-27 | 0001193125-26-130403 ↗ |
| 8-K | 2026-02-10 | 2026-02-04 | 0001193125-26-044926 ↗ |
| 10-Q | 2026-02-03 | 2025-12-31 | 0000731802-26-000013 ↗ |
| 8-K | 2026-02-03 | 2026-02-03 | 0000731802-26-000011 ↗ |
| 10-K | 2025-11-14 | 2025-09-30 | 0000731802-25-000056 ↗ |
| 8-K | 2025-11-05 | 2025-11-05 | 0000731802-25-000053 ↗ |
| 8-K | 2025-10-01 | 2025-09-18 | 0001193125-25-225956 ↗ |
| 8-K | 2025-10-01 | 2025-10-01 | 0001193125-25-226779 ↗ |