# EDGAR Filing Document

**Accession Number:** 0001587732
**File Stem:** 0001587732-26-000023
**Filing Date:** 2026-5
**Character Count:** 7286
**Document Hash:** 34c60c9d62f27775c669a45c4f35eec3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001587732-26-000023.hdr.sgml**: 20260512

**ACCESSION NUMBER**: 0001587732-26-000023

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 13

**CONFORMED PERIOD OF REPORT**: 20260512

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260512

**DATE AS OF CHANGE**: 20260512

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ONE Gas, Inc.
- **CENTRAL INDEX KEY:** 0001587732
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATURAL GAS DISTRIBUTION [4924]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 463561936
- **STATE OF INCORPORATION:** OK
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36108
- **FILM NUMBER:** 26969507

**BUSINESS ADDRESS:**
- **STREET 1:** 15 EAST FIFTH STREET
- **CITY:** TULSA
- **STATE:** OK
- **ZIP:** 74103
- **BUSINESS PHONE:** 918-947-7000

**MAIL ADDRESS:**
- **STREET 1:** 15 EAST FIFTH STREET
- **CITY:** TULSA
- **STATE:** OK
- **ZIP:** 74103

?xml version='1.0' encoding='ASCII'? ogs-20260512

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

**FORM 8-K** 

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

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| | |
|:---|:---|
| (Date of report) | **May 12, 2026** |
| (Date of earliest event reported) | **May 12, 2026** |

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**ONE Gas, Inc.**

(Exact name of registrant as specified in its charter)

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| | | |
|:---|:---|:---|
| **Oklahoma** | **001-36108** | **46-3561936** |
| (State or other jurisdiction | (Commission | (IRS Employer |
| of incorporation) | File Number) | Identification No.) |

---

**15 East Fifth Street; Tulsa, OK** 

(Address of principal executive offices)

**74103** 

(Zip code)

**(918) 947-7000** 

(Registrant's telephone number, including area code)

**Not Applicable**

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

**Securities registered pursuant to Section 12(b) of the Act:**

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading Symbol** | **Name of each exchange on which registered** |
| Common Stock, par value $0.01 per share | OGS | New York Stock Exchange |
| Common Stock, par value $0.01 per share | OGS | NYSE Texas |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

☐ Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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| | | |
|:---|:---|:---|
| <u>Item 7.01</u> |  | <u>Regulation FD Disclosure</u> |
|  |  | On May 12, 2026, we announced we will participate in the American Gas Association Financial Forum, May 17-19, 2026 in Scottsdale, Arizona. A copy of the news release is attached as Exhibit 99.1 and is incorporated herein by reference.<br>Robert S. McAnnally, chief executive officer, Curtis Dinan, president and chief operating officer, and Christopher Sighinolfi, senior vice president and chief financial officer, will be conducting a series of meetings with members of the investment community.<br>The materials utilized during the conference will be accessible on the ONE Gas website, <u>www.onegas.com/investors/events-and-presentations</u>.<br>The information disclosed in Item 7.01, including Exhibit 99.1 hereto, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or otherwise subject to the liabilities under that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act except as expressly set forth by specific reference in such filing. |
| <u>Item 9.01</u> |  | <u>Financial Statements and Exhibits</u> |
|  | (d) | Exhibits |
| <u>Exhibit<br>Number</u> |  | <u>Description</u> |
| 99.1 |  | <u>[News release issued by ONE Gas, Inc. dated](ogs2026againvestorconferen.htm)[May 12](ogs2026againvestorconferen.htm)[, 202](ogs2026againvestorconferen.htm)[6](ogs2026againvestorconferen.htm)[.](ogs2026againvestorconferen.htm)</u> |
| 104 |  | Cover Page Interactive Data File (embedded within the Inline XBRL document). |

---

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SIGNATURE

Pursuant to the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

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| | | | |
|:---|:---|:---|:---|
| | | | ONE Gas, Inc. |
| Date: | May 12, 2026 | By: | <u>/s/ Christopher P. Sighinolfi</u> |
|  |  |  | Christopher P. Sighinolfi<br>Senior Vice President and <br>Chief Financial Officer |

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## Exhibit 99.1

**Exhibit 99.1**

![logoletterheada98.jpg](logoletterheada98.jpg)

---

| | | |
|:---|:---|:---|
| **May 12, 2026** | **Analyst Contact:** | **Erin Dailey<br>918-947-7411** |
| | **Media Contact:** | **Leah Harper<br>918-947-7123** |

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**ONE Gas to Participate in American Gas Association Financial Forum** 

TULSA, Okla. – May 12, 2026 – ONE Gas, Inc. (NYSE: OGS) today announced it will participate in the American Gas Association Financial Forum, May 17-19, 2026, in Scottsdale, Arizona.

Robert S. McAnnally, chief executive officer, Curtis Dinan, president and chief operating officer, and Christopher Sighinolfi, senior vice president and chief financial officer, will be conducting a series of meetings with members of the investment community.

The materials utilized during the conference are accessible on the ONE Gas website, <u>www.onegas.com/investors/events-and-presentations.</u>

ONE Gas, Inc. (NYSE: OGS) is a 100-percent regulated natural gas utility, and trades on the New York Stock Exchange and the NYSE Texas under the symbol "OGS." ONE Gas is included in the S&P MidCap 400 Index and is one of the largest natural gas utilities in the United States.

Headquartered in Tulsa, Oklahoma, ONE Gas provides a reliable and affordable energy choice to more than 2.3 million customers in Kansas, Oklahoma and Texas. Its divisions include Kansas Gas Service, the largest natural gas distributor in Kansas; Oklahoma Natural Gas, the largest in Oklahoma; and Texas Gas Service, the third largest in Texas, in terms of customers.

For more information and the latest news about ONE Gas, visit onegas.com and follow its social channels: @ONEGas, Facebook, LinkedIn and YouTube.

###

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