# EDGAR Filing Document

**Accession Number:** 0001587732
**File Stem:** 0001587732-26-000004
**Filing Date:** 2026-1
**Character Count:** 8691
**Document Hash:** 8ecc02b34362115f94a15c94cbf81d67
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001587732-26-000004.hdr.sgml**: 20260122

**ACCESSION NUMBER**: 0001587732-26-000004

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 14

**CONFORMED PERIOD OF REPORT**: 20260122

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260122

**DATE AS OF CHANGE**: 20260122

**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:** 26551958

**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-20260122

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) | **January 22, 2026** |
| (Date of earliest event reported) | **January 22, 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 January 22, 2026, we announced we will release our fourth-quarter and year-end 2025 earnings after the market closes on Wednesday, February 18, 2026, and will participate in a conference call and live webcast at 11 a.m. Eastern Standard Time (10 a.m. Central Standard Time) on Thursday, February 19, 2026. The call will also be carried live on our website. A copy of the news release is attached as Exhibit 99.1 and is incorporated herein by reference.<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 J](ogsq42025ecnr.htm)[anuary 22](ogsq42025ecnr.htm)[, 202](ogsq42025ecnr.htm)[6](ogsq42025ecnr.htm)[.](ogsq42025ecnr.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: | January 22, 2026 | By: | <u>/s/ Christopher P. Sighinolfi</u> |
|  |  |  | Christopher P. Sighinolfi<br>Senior Vice President and <br>Chief Financial Officer |

---

## Exhibit 99.1

**Exhibit 99.1**

![logoletterheada98.jpg](logoletterheada98.jpg)

---

| | | |
|:---|:---|:---|
| **January 22, 2026** | **Analyst Contact:** | **Erin Dailey <br>918-947-7411** |
| | **Media Contact:** | **Leah Harper<br>918-947-7123** |

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**ONE Gas Fourth Quarter and Year End 2025** 

**Conference Call and Webcast Scheduled** 

***Schedule for 2026 Earnings News Releases, Conference Calls and Webcasts***

***Also Announced***

TULSA, Okla. – Jan. 22, 2026 – ONE Gas, Inc. (NYSE: OGS) will release its fourth quarter and full year 2025 financial results after the market closes on Wednesday, Feb. 18, 2026.

The ONE Gas executive management team will participate in a conference call the following day, Thursday, Feb. 19, 2026, at 11 a.m. Eastern Standard Time (10 a.m. Central Standard Time).

The call will also be carried live on the ONE Gas website.

---

| | |
|:---|:---|
| **Event:** | ONE Gas fourth quarter and year end 2025 earnings conference call and webcast |
| **Date and Time:** | Feb. 19, 2026<br>11 a.m. Eastern, 10 a.m. Central |
| **Phone Number:** | Dial 833-470-1428, pass code 246604 |
| **Webcast Access:** | <u>www.onegas.com/investors</u> and select Events and Presentations |

---

If you are unable to participate in the conference call or the webcast, the replay will be available on the ONE Gas website, <u>www.onegas.com</u>, for 30 days. A recording will be available by phone for seven days. The playback call may be accessed at 866-813-9403, pass code 437369.

**<u>Schedule for 2026 Earnings News Releases, Conference Calls and Webcasts</u>**

The schedule for earnings news releases, conference calls and webcasts for the first, second and third quarters of 2026 is as follows:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• **<u>First quarter 2026</u>**: News release issued on May 4, 2026; Conference call and webcast on May 5, 2026.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• **<u>Second quarter 2026</u>**: News release issued on Aug. 4, 2026; Conference call and webcast on Aug. 5, 2026.

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**Exhibit 99.1**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• **<u>Third quarter 2026</u>**: News release issued on Nov. 2, 2026; Conference call and webcast on Nov. 3, 2026.

Each quarterly earnings news release will be issued following the close of the market on the date indicated.

Each quarterly conference call and webcast will take place at 11 a.m. Eastern Time (10 a.m. Central Time) on the date indicated. Conference call dial-in information will be provided at a later date.

ONE Gas, Inc. (NYSE: OGS) is a 100-percent regulated natural gas utility, and trades on the New York Stock Exchange 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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