ATO at a glance
Atmos Energy (ATO, SEC CIK 731802) filed its latest 10-K annual report on November 14, 2025, a 10-Q quarterly report on August 5, 2026, an 8-K current report on August 10, 2026 and Form 4 insider filings as recently as October 5, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended September 30, 2025 (FY2025), Atmos Energy (ATO) reported revenue of $4.7 billion (up 12.9% from FY2024) and net income of $1.2 billion. Diluted EPS was $7.46.
- As of June 30, 2026, 45 institutional investment managers tracked by SignalX reported holding Atmos Energy (ATO) shares worth $13.1 billion in 13F-HR filings.
- The most recent insider open-market purchase reported on Form 4 was by WARE WILLIAM JAMES on August 11, 2026 of 300 shares at $167.59 per share.
- In the last 90 days, ATO insiders reported 1 open-market purchase ($50K) and 0 open-market sales ($0) on Form 4, a net purchase of $50K.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $4.7B
- +12.9% vs prior year
- Insiders · 90 days
- 1 buy · 0 sells
- Net +$50K
- 13F holders
- 45 funds
- $13.1B · +5 vs prior quarter
- Latest 8-K
- Aug 10, 2026
- Item 7.01 · Item 5.02
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Sep 30, 2025
Business Overview
- Core business: Regulated distribution and transportation of natural gas to 3.4 million customers in 8 primarily Southern states
- Strategic focus: Modernization of infrastructure, reducing regulatory lag, enhancing safety, innovation, and environmental sustainability
- Rate base growth: Mid-Tex division rate base increased to $8.3 billion with an authorized return on equity of 9.80%
- Recent ratemaking: Implemented $333.6 million in annual operating income via formula mechanisms and rate cases in fiscal 2025
- Noteworthy fact: Peak-day gas demand hit 4.2 Bcf on Feb 19, 2025, with supply peak-day availability at approx. 5.4 Bcf
Risk Factors
- Regulatory risk: Texas infrastructure legislation effective Q3 FY2025 increased distribution segment income by $18.5M, impacting capital expenditure recovery timing
- Geopolitical/macroeconomic: Concentration of operations in Texas exposes company to regional economic downturns and weather-related risks affecting 87% of $3.6B capital spending
- Operational vulnerability: Capital expenditure of $3.6B in FY2025, with 87% on safety/reliability, depends on accessing capital markets and regulatory recovery mechanisms
- Competitive risk: Increased competition from alternative energy forms threatens distribution segment, despite sales volume growth of 5,088 MMcf in FY2025
- Financial risk: Equity capitalization at 60.3% with $4.9B liquidity as of Sept 30, 2025, includes $3.1B undrawn credit but exposed to higher interest costs from increased borrowings due to gas price volatility
Management Discussion & Analysis
- Operating cash flow $2,049.5M in 2025 vs $1,733.7M in 2024, up $315.8M driven by successful rate case outcomes
- Capital expenditures $3.6B in 2025 vs $2.9B in 2024, up $700M; distribution spending +$413.4M, pipeline & storage +$210.9M
- Financing cash flow $1,406.8M in 2025 vs $1,478.6M in 2024; $1.8B net proceeds from debt & equity issuance in 2025
- Dividend increase 8.1% in 2025 with more shares outstanding; shares issued 6.3M in 2025 vs 6.8M in 2024
- Moody’s downgraded long-term rating to A2 with stable outlook in April 2025; key risks: operating performance, liquidity, credit market access
AI summary of the ATO 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Management Discussion & Analysis
- Quarterly operating revenues $1,107.7M, up $68.2M YoY from $1,039.5M
- Distribution operating income $109.1M, up 14.3% YoY; pipeline and storage $211.3M, up 34.9%
- Best division Mid-Tex, operating income $74.3M vs $48.2M; worst Mississippi, $1.8M vs $7.0M
- Capital expenditures $3,076.3M year-to-date; over 85% directed to safety and reliability
- Liquidity $4.6B, including $521.0M cash; fiscal 2026–2030 capital spending anticipated at approximately $26B
Risk Factors
- No risk-factors section provided in submitted filing text
- No newly added risk factor identifiable from the provided excerpt
- No regulatory, legal, operational, competitive, market, or financial risk details disclosed
AI summary of the ATO 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 7.01: Regulation FD Disclosure
- Executive leadership update: Jeffries elected to an unspecified role
- McDill retirement and Martinez appointment announced, signaling management succession
Item 5.02: Departure/Appointment of Directors or Principal Officers
- James H. Jeffries IV joins board effective September 1, 2026, with term expiring February 3, 2027
- Jeffries receives 1,000 deferred share units, payable upon board-service separation
Item 2.02: Results of Operations and Financial Condition
- Filing contains only XBRL attachments and signature materials
- No substantive earnings information or financial results included in the provided section
Item EX-99.1: Item EX-99.1
- Fiscal 2026 results: $7.33 diluted EPS and $1.2B net income through the third quarter
- Capital expenditures $3.1B, with over 85% directed toward safety and reliability infrastructure
Item 8.01: Other Events
- $700 million 4.750% senior notes due 2032, adding long-term debt and fixed interest obligations
- Approximately $693.9 million net proceeds expected after underwriting discounts and expenses
AI summaries of ATO 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for ATO
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- Fund moves. Which tracked funds opened, added or cut ATO, by share count.
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| GARZA RAFAEL G | A | Oct 1, 2026 | 77 | $155.79 |
| Geiser Edward | A | Oct 1, 2026 | 224.661 | $155.79 |
| ROBBINS J MATT | G | Sep 15, 2026 | 1,500 | - |
| Jeffries James Henry IV | A | Sep 1, 2026 | 1,000 | $166.96 |
| WARE WILLIAM JAMES | Buy | Aug 11, 2026 | 300 | $167.59 |
| FAULK MICHELLE | M | May 2, 2026 | 175 | - |
| FAULK MICHELLE | F | May 2, 2026 | 70 | $189.74 |
| Forsythe Christopher T | F | May 2, 2026 | 1,563 | $189.74 |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | $4.3B | $4.2B | $4.7B |
| Operating Income | $1.1B | $1.4B | $1.6B |
| Net Income | $885.9M | $1.0B | $1.2B |
| Op. Margin | 25.0% | 32.5% | 33.2% |
| Net Margin | 20.7% | 25.0% | 25.5% |
| Balance Sheet | |||
| Total Assets | $22.5B | $25.2B | $28.2B |
| Equity | $10.9B | $12.2B | $13.6B |
| ROE | 8.1% | 8.6% | 8.8% |
| Per Share | |||
| EPS | - | $6.83 | $7.46 |
| Cash Flow | |||
| Operating CF | $3.5B | $1.7B | $2.0B |
Source: XBRL data in Atmos Energy (ATO)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate ATO share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 45 | $13.12B |
| Q1 2026 | 40 | $13.90B |
| Q4 2025 | 41 | $12.80B |
| Q3 2025 | 43 | $12.79B |
| Q2 2025 | 39 | $11.09B |
| Q1 2025 | 37 | $7.35B |
| Q4 2024 | 34 | $5.87B |
| Q3 2024 | 28 | $3.02B |
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Source: 13F-HR filings on SEC EDGAR (aggregated from 307 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
ATO filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-K annual reports
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Oct 5, 2026 | - | - | - |
| 4 | Oct 5, 2026 | - | - | - |
| 4 | Sep 17, 2026 | - | - | - |
| 4 | Sep 2, 2026 | - | - | - |
| 4 | Aug 12, 2026 | - | - | - |
| 8-K | Aug 10, 2026 | - | Analysis | - |
| 10-Q | Aug 5, 2026 | Jun 30, 2026 | Analysis | |
| 8-K | Aug 5, 2026 | - | Analysis | - |
| 8-K | Jun 18, 2026 | - | Analysis | - |
| 8-K | Jun 18, 2026 | - | Analysis | - |
| 10-Q | May 6, 2026 | Mar 31, 2026 | Analysis | |
| 8-K | May 6, 2026 | - | Analysis | |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| SC 13G | Apr 29, 2026 | - | - | |
| SC 13G | Apr 28, 2026 | - | - | |
| 4 | Apr 2, 2026 | - | - | - |
| 4 | Apr 2, 2026 | - | - | - |
| 8-K | Mar 30, 2026 | - | - | - |
| 4 | Mar 10, 2026 | - | - | - |
| 4 | Mar 10, 2026 | - | - | - |
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ATO SEC filings: frequently asked questions
Are ATO insiders buying or selling?
In the last 90 days, Atmos Energy (ATO) officers, directors and 10% owners reported 1 open-market purchase worth $50,278 by 1 insider and no open-market sales on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold ATO stock?
As of June 30, 2026, the largest Atmos Energy (ATO) holders among the 13F filers tracked by SignalX were BlackRock ($2.6 billion), State Street Corp ($2.0 billion), Vanguard Capital Management LLC ($1.9 billion), Vanguard Portfolio Management LLC ($1.6 billion), Bank of America Corp ($720.2 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was ATO's revenue in fiscal year 2025?
For the fiscal year ended September 30, 2025 (FY2025), Atmos Energy (ATO) reported revenue of $4.7 billion (up 12.9% from FY2024) and net income of $1.2 billion. Diluted EPS was $7.46. The figures come from the XBRL data in the 10-K.
What are the main risks in ATO's latest 10-K?
In the 10-K filed November 14, 2025, Atmos Energy (ATO) flagged: Regulatory risk: Texas infrastructure legislation effective Q3 FY2025 increased distribution segment income by $18.5M, impacting capital expenditure recovery timing. Geopolitical/macroeconomic: Concentration of operations in Texas exposes company to regional economic downturns and weather-related risks affecting 87% of $3.6B capital spending. (AI summary of the Risk Factors section.)
What did ATO report in its latest 8-K?
Atmos Energy (ATO) filed an 8-K on August 10, 2026 reporting Item 7.01 (Regulation FD Disclosure) and Item 5.02 (Departure/Appointment of Directors or Principal Officers). Executive leadership update: Jeffries elected to an unspecified role.
What are the latest ATO SEC filings?
Atmos Energy (ATO) filed its latest 10-K annual report on November 14, 2025, a 10-Q quarterly report on August 5, 2026, an 8-K current report on August 10, 2026 and a Form 4 insider filing on October 5, 2026.
What is ATO's SEC CIK number?
Atmos Energy (ATO)'s SEC Central Index Key (CIK) is 731802. EDGAR lists every ATO filing under that number.
Ask anything about ATO
The research agent reads ATO's filings, financials, insider trades and 13F holders, then answers with sources.