ONE Gas (NYSE: OGS) plans 2026 all-virtual shareholder meeting

Rhea-AI Filing Summary

ONE Gas, Inc. announced it will hold its 2026 Annual Meeting of Shareholders as a virtual-only event on Thursday, May 21, 2026, at 10 a.m. Eastern (9 a.m. Central). Shareholders of record as of March 23, 2026, will be entitled to receive notice and vote.

The meeting will be accessible online via a dedicated virtual meeting portal and will also be audio webcast on the ONE Gas website. ONE Gas is a fully regulated natural gas utility serving more than 2.3 million customers across Kansas, Oklahoma and Texas through its Kansas Gas Service, Oklahoma Natural Gas and Texas Gas Service divisions.

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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

(Date of report)			February 20, 2026
(Date of earliest event reported)			February 20, 2026

ONE Gas, Inc.

(Exact name of registrant as specified in its charter)

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:

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

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. ☐

Item 8.01						Other Events
						On February 20, 2026, we announced we will hold our 2026 Annual Meeting of Shareholders as a virtual meeting only on Thursday, May 21, 2026, at 10 a.m. Eastern Daylight Time (9 a.m. Central Daylight Time). The meeting will also be audio webcast on the ONE Gas website, www.onegas.com. A copy of the news release is attached as Exhibit 99.1 and is incorporated by reference herein. The record date for determining shareholders entitled to receive notice of the meeting and to vote is March 23, 2026.
Item 9.01						Financial Statements and Exhibits
			(d)			Exhibits
Exhibit Number			Description
99.1						News release issued by ONE Gas, Inc. dated February 20, 2026.
104						Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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.

									ONE Gas, Inc.
Date:			February 20, 2026			By:			/s/ Christopher P. Sighinolfi
									Christopher P. Sighinolfi Senior Vice President and Chief Financial Officer

3

Exhibit 99.1

February 20, 2026						Analyst Contact:			Erin Dailey 918-947-7411
						Media Contact:			Leah Harper 918-947-7123

ONE Gas Sets Record Date for

2026 Annual Meeting of Shareholders

TULSA, Okla. – Feb. 20, 2026 – ONE Gas, Inc. (NYSE: OGS) will hold its 2026 Annual Meeting of Shareholders as a virtual meeting only on Thursday, May 21, 2026, at 10 a.m. Eastern Daylight Time (9 a.m. Central Daylight Time). The meeting will also be audio webcast on the ONE Gas website, www.onegas.com.

The record date for determining shareholders entitled to receive notice of the meeting and to vote is March 23, 2026.

Date:			Thursday, May 21, 2026, at 10 a.m. Eastern (9 a.m. Central)
Virtual:			Register to virtually attend the live online Annual Meeting at http://www.proxydocs.com/ogs
Webcast:			Log on to the webcast at http://www.onegas.com/investors/events-and-presentations

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.

###

FAQ

What did ONE Gas (OGS) announce in this Form 8-K?

ONE Gas announced details for its 2026 Annual Meeting of Shareholders, which will be held as a virtual-only event. The company also set March 23, 2026, as the record date for shareholders entitled to receive notice of the meeting and to vote.

When is the 2026 ONE Gas (OGS) Annual Meeting of Shareholders?

The 2026 ONE Gas Annual Meeting of Shareholders is scheduled for Thursday, May 21, 2026, at 10 a.m. Eastern Daylight Time (9 a.m. Central). The event will be conducted entirely online, with an accompanying audio webcast on the company’s investor relations website.

What is the record date for ONE Gas (OGS) 2026 Annual Meeting?

The record date for determining ONE Gas shareholders entitled to receive notice of, and to vote at, the 2026 Annual Meeting is March 23, 2026. Only investors who are shareholders of record at the close of business on that date will be eligible.

How can ONE Gas (OGS) shareholders attend the 2026 virtual annual meeting?

Shareholders can register to attend the live online Annual Meeting at http://www.proxydocs.com/ogs. An audio webcast will also be available at http://www.onegas.com/investors/events-and-presentations, allowing investors to listen to the proceedings remotely from their preferred device.

What type of company is ONE Gas (OGS)?

ONE Gas is a 100-percent regulated natural gas utility trading on the New York Stock Exchange under the symbol OGS. It serves more than 2.3 million customers across Kansas, Oklahoma and Texas through its Kansas Gas Service, Oklahoma Natural Gas and Texas Gas Service divisions.

Where is ONE Gas (OGS) headquartered and what index is it in?

ONE Gas is headquartered in Tulsa, Oklahoma. The company is included in the S&P MidCap 400 Index and operates natural gas distribution businesses in Kansas, Oklahoma and Texas, positioning it as one of the largest natural gas utilities in the United States by customer count.

Filing Exhibits & Attachments

4 documents

Press Releases

• EX-99.1 EX-99.1 9.5 KB

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT 1.7 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT 21.1 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT 12.2 KB