OGS at a glance
ONE Gas, Inc. (OGS, SEC CIK 1587732) filed its latest 10-K annual report on February 19, 2026, a 10-Q quarterly report on August 5, 2026, an 8-K current report on September 29, 2026 and Form 4 insider filings as recently as August 13, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- As of June 30, 2026, 32 institutional investment managers tracked by SignalX reported holding ONE Gas, Inc. (OGS) shares worth $2.2 billion in 13F-HR filings.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Insiders · 90 days
- 0 buys · 0 sells
- No open-market trades
- 13F holders
- 32 funds
- $2.2B · +1 vs prior quarter
- Latest 8-K
- Sep 29, 2026
- Item 7.01
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Dec 31, 2025
Business Overview
- Core business: 100% regulated natural gas distribution utility serving 2.3 million customers in Oklahoma, Kansas, and Texas
- New regulatory aggregation: Texas Gas Service customers aggregated into a single statewide service area in February 2026
- Competitive positioning: Emphasis on safety, operational efficiency, and technology to maintain reliability amid energy alternatives competition
- Workforce size: Approximately 4,000 employees as of February 1, 2026, with 700 unionized under collective bargaining agreements
- Noteworthy: Oklahoma Natural Gas operates under a PBRC mechanism with a 9.4% authorized ROE and structured earnings sharing with customers
Risk Factors
- Regulatory risk from PHMSA, DOT, OSHA pipeline safety laws and June 2024 Supreme Court overturning Chevron Doctrine impacting regulatory interpretations
- Economic risk of customer payment difficulties due to inflation, tariffs, and high interest rates, potentially increasing bad debt and financing needs
- Natural gas supply and pipeline capacity reliance on third parties, exposed to disruption from severe weather, terrorism, cyber-attacks, and war events
- Cybersecurity risk from evolving cyber and physical attacks on systems despite robust defenses, plus increased regulation from DHS and TSA on critical infrastructure
- Financial risk from restrictive debt covenants and potential defaults that could trigger cross-defaults and higher borrowing costs, limiting operational flexibility
Management Discussion & Analysis
- Revenue $2.43B, up 17% YoY from $2.08B in 2024; natural gas sales rose $332.2M (18%), driven by new rates and customer growth
- Operating income $457.4M, up 15% from $399.0M; net income $264.2M, up 19% from $222.9M; operating margin approx. 18.8% vs 19.2% (calculated)
- Best performing: Natural gas sales revenue $2.20B, +18% YoY; worst: Cost of natural gas $999M, increased 28%, affecting gross margin
- Capital expenditures $759.5M, nearly flat vs $762.1M; $205M equity issuance settled; increased commercial paper capacity to $1.5B; dividend declared $0.68/share
- Outlook: $800M capex planned in 2026; regulatory updates include Texas rate increases and pipeline infrastructure initiative with $120M investment through 2028
AI summary of the OGS 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 revenue $411.6M, down 3% YoY from $423.7M
- Operating margin 20.1% vs 17.0% YoY, based on operating income of $82.6M
- Natural gas sales worst-performing revenue line at $357.8M, down 3% YoY
- Six-month operating cash flow $387.3M, down $61.5M YoY
- Capital expenditures and asset removal costs $188.3M, down $1.8M YoY; 2026 outlook approximately $800M
Risk Factors
- No material changes disclosed; risks remain those identified in the Annual Report’s Part I, Item 1A
- New risks may emerge at any time, with unpredictable effects on financial performance
- No quarter-specific regulatory, legal, compliance, operational, competitive, market, or financial risk updates provided
AI summary of the OGS 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
- Third-quarter 2026 results scheduled after market close November 2, 2026
- Investor conference call set for November 3, 2026 at 11 a.m. Eastern Time
Item 7.01: Regulation FD Disclosure
- ONE Gas participation in Wolfe Research Utilities, Midstream & Clean Energy Conference on September 29, 2026
- CEO, COO, and CFO scheduled for investor meetings, potentially providing management commentary
Item 7.01: Regulation FD Disclosure
- ONE Gas CFO Christopher Sighinolfi and Treasurer Mark Smith meeting investors at AGA Mini-Forum on September 15, 2026
- Investor presentation materials available through ONE Gas’ events and presentations website
AI summaries of OGS 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for OGS
Don't miss the next OGS filing
- Alerts as it files. A push when OGS files an 8-K or an insider trades.
- Fund moves. Which tracked funds opened, added or cut OGS, by share count.
- Ask anything. An AI agent that reads every OGS filing and answers with sources.
Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| STAVROPOULOS NICKOLAS | A | Aug 11, 2026 | 1,502.706 | $79.60 |
| McCormick Joseph L | M | Jun 9, 2026 | 824.509 | $76.00 |
| McCormick Joseph L | M | Jun 9, 2026 | 1,272.855 | $76.00 |
| McCormick Joseph L | M | Jun 9, 2026 | 1,223 | $76.00 |
| McCormick Joseph L | M | Jun 9, 2026 | 1,230.156 | $76.00 |
| McCormick Joseph L | F | Jun 9, 2026 | 539.422 | $76.00 |
| McCormick Joseph L | F | Jun 9, 2026 | 361.55 | $76.00 |
| McCormick Joseph L | M | Jun 9, 2026 | 1,926 | $76.00 |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Operating Income | $377.6M | $399.0M | $457.5M |
| Net Income | $231.2M | $222.8M | $264.2M |
| Balance Sheet | |||
| Total Assets | $7.8B | $8.4B | $8.9B |
| Equity | $2.8B | $3.1B | $3.4B |
| ROE | 8.4% | 7.2% | 7.7% |
| Per Share | |||
| EPS | $4.14 | $3.91 | $4.37 |
| Cash Flow | |||
| Operating CF | - | $368.4M | $578.8M |
| CapEx | $666.6M | $703.2M | $707.2M |
Source: XBRL data in ONE Gas, Inc. (OGS)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate OGS share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 32 | $2.15B |
| Q1 2026 | 31 | $2.27B |
| Q4 2025 | 28 | $1.99B |
| Q3 2025 | 30 | $2.08B |
| Q2 2025 | 29 | $1.80B |
| Q1 2025 | 26 | $1.24B |
| Q4 2024 | 21 | $943.7M |
| Q3 2024 | 20 | $545.0M |
- AQR Capital Management+613.7K (+121%)
- State Street Corp+231.9K (+8%)
- FMR LLC (Fidelity)+183.9K (+171%)
- Morgan Stanley+139.1K (+16%)
- Vanguard Portfolio Management LLC+126.4K (+4%)
- Goldman Sachs Group−137.6K (-15%)
- BNY Mellon−33.3K (-4%)
- BlackRock−16.0K (-0%)
- Millennium Management−9.1K (-24%)
- M&T Bank−4.3K (-47%)
- Two Sigma Investments−79.2K
Source: 13F-HR filings on SEC EDGAR (aggregated from 217 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
OGS 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 |
|---|---|---|---|---|
| 8-K | Sep 29, 2026 | - | Analysis | - |
| 8-K | Sep 25, 2026 | - | Analysis | - |
| 8-K | Sep 8, 2026 | - | Analysis | - |
| 8-K | Aug 13, 2026 | - | Analysis | - |
| 4 | Aug 13, 2026 | - | - | - |
| SC 13G | Aug 7, 2026 | - | - | |
| 10-Q | Aug 5, 2026 | Jun 30, 2026 | Analysis | |
| 8-K | Aug 4, 2026 | - | Analysis | - |
| 8-K | Aug 4, 2026 | - | Analysis | - |
| 8-K | Jul 13, 2026 | - | Analysis | - |
| 8-K | Jul 8, 2026 | - | Analysis | - |
| 4 | Jun 10, 2026 | - | - | |
| 4 | Jun 4, 2026 | - | - | |
| 4 | Jun 4, 2026 | - | - | |
| 8-K | May 27, 2026 | - | Analysis | |
| 4 | May 26, 2026 | - | - | |
| 4 | May 26, 2026 | - | - | |
| 4 | May 26, 2026 | - | - | |
| 8-K | May 26, 2026 | - | Analysis | |
| 4 | May 26, 2026 | - | - | |
| 4 | May 26, 2026 | - | - | |
| 4 | May 26, 2026 | - | - | |
| 4 | May 26, 2026 | - | - | |
| 8-K | May 12, 2026 | - | Analysis | |
| 10-Q | May 5, 2026 | Mar 31, 2026 | Analysis |
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OGS SEC filings: frequently asked questions
Which institutions hold OGS stock?
As of June 30, 2026, the largest ONE Gas, Inc. (OGS) holders among the 13F filers tracked by SignalX were BlackRock ($701.3 million), Vanguard Portfolio Management LLC ($286.4 million), State Street Corp ($251.9 million), Vanguard Capital Management LLC ($217.4 million), AQR Capital Management ($86.3 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What are the main risks in OGS's latest 10-K?
In the 10-K filed February 19, 2026, ONE Gas, Inc. (OGS) flagged: Regulatory risk from PHMSA, DOT, OSHA pipeline safety laws and June 2024 Supreme Court overturning Chevron Doctrine impacting regulatory interpretations. Economic risk of customer payment difficulties due to inflation, tariffs, and high interest rates, potentially increasing bad debt and financing needs. (AI summary of the Risk Factors section.)
What did OGS report in its latest 8-K?
ONE Gas, Inc. (OGS) filed an 8-K on September 29, 2026 reporting Item 7.01 (Regulation FD Disclosure). Third-quarter 2026 results scheduled after market close November 2, 2026.
What are the latest OGS SEC filings?
ONE Gas, Inc. (OGS) filed its latest 10-K annual report on February 19, 2026, a 10-Q quarterly report on August 5, 2026, an 8-K current report on September 29, 2026 and a Form 4 insider filing on August 13, 2026.
What is OGS's SEC CIK number?
ONE Gas, Inc. (OGS)'s SEC Central Index Key (CIK) is 1587732. EDGAR lists every OGS filing under that number.
Ask anything about OGS
The research agent reads OGS's filings, financials, insider trades and 13F holders, then answers with sources.