Utilities · Natural Gas Distribution

OGS ONE Gas, Inc. SEC Filings & Insider Trading Activity 2026

company
CIK 1587732109 filings
Russell 2000

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

Full analysis →

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

Filed Sep 29, 2026Full analysis →

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
Filed Sep 25, 2026Full analysis →

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
Filed Sep 8, 2026Full analysis →

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

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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
STAVROPOULOS NICKOLASAAug 11, 2026$79.60
McCormick Joseph LMJun 9, 2026$76.00
McCormick Joseph LMJun 9, 2026$76.00
McCormick Joseph LMJun 9, 2026$76.00
McCormick Joseph LMJun 9, 2026$76.00
McCormick Joseph LFJun 9, 2026$76.00
McCormick Joseph LFJun 9, 2026$76.00
McCormick Joseph LMJun 9, 2026$76.00

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
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
ROE8.4%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 2026

Aggregate OGS share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
OGS shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202632$2.15B
Q1 202631$2.27B
Q4 202528$1.99B
Q3 202530$2.08B
Q2 202529$1.80B
Q1 202526$1.24B
Q4 202421$943.7M
Q3 202420$545.0M
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
Closed Positions

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

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
8-KSep 29, 2026Analysis-
8-KSep 25, 2026Analysis-
8-KSep 8, 2026Analysis-
8-KAug 13, 2026Analysis-
4Aug 13, 2026--
SC 13GAug 7, 2026-
10-QAug 5, 2026Analysis
8-KAug 4, 2026Analysis-
8-KAug 4, 2026Analysis-
8-KJul 13, 2026Analysis-
8-KJul 8, 2026Analysis-
4Jun 10, 2026-
4Jun 4, 2026-
4Jun 4, 2026-
8-KMay 27, 2026Analysis
4May 26, 2026-
4May 26, 2026-
4May 26, 2026-
8-KMay 26, 2026Analysis
4May 26, 2026-
4May 26, 2026-
4May 26, 2026-
4May 26, 2026-
8-KMay 12, 2026Analysis
10-QMay 5, 2026Analysis

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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.