ONE Gas, Inc.

For the period ended Dec 31, 2025. Filed Feb 19, 2026.

About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 19, 2026

OGS$81.25+0.4%Stored close · as of Nov 9, 2026

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Contents

Item 16. FORM 10-K SUMMARY

None.

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, thereunto duly authorized.

Date: February 19, 2026		ONE Gas, Inc.
		Registrant
	By:	/s/ Christopher P. Sighinolfi
		Christopher P. Sighinolfi
		Senior Vice President and
		Chief Financial Officer
		(Principal Financial Officer)

Pursuant to the requirements of the Exchange Act, this report has been signed below by the following persons on behalf of the registrant and in the capacities indicated on this 19th day of February 2026.

/s/ John W. Gibson	/s/ Robert S. McAnnally
John W. Gibson	Robert S. McAnnally
Chairman of the Board	President, Chief Executive Officer
	and Director
/s/ Christopher P. Sighinolfi	/s/ Brian F. Brumfield
Christopher P. Sighinolfi	Brian F. Brumfield
Senior Vice President and	Vice President, Chief Accounting Officer
Chief Financial Officer	and Controller
	(Principal Accounting Officer)
/s/ Tracy E. Hart	/s/ Deborah A.P. Hersman
Tracy E. Hart	Deborah A.P. Hersman
Director	Director
/s/ Michael G. Hutchinson	/s/ Sanjay D. Meshri
Michael G. Hutchinson	Sanjay D. Meshri
Director	Director
/s/ Pattye L. Moore	/s/ Eduardo A. Rodriguez
Pattye L. Moore	Eduardo A. Rodriguez
Director	Director
/s/ Yves C. Siegel
Yves C. Siegel
Director

ContentsView on SEC.gov

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