ONE Gas SEC Filings https://www.onegas.com/generated by Q4Fri, 15 May 2026 07:25:13 -0400Copyright Q4 Inc. All rights reserved.ONE Gas - SC 13G/A - Amended Statement of Ownership19448385https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19448385Fri, 15 May 2026 00:00:00 -0400ONE Gas - 8-K - Current report filing19436406https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19436406Tue, 12 May 2026 00:00:00 -0400ONE Gas - 10-Q - Quarterly Report19411903https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19411903Tue, 05 May 2026 00:00:00 -0400ONE Gas - 8-K - Current report filing19407180https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19407180Mon, 04 May 2026 00:00:00 -0400ONE Gas - DEFA14A - Additional Proxy Soliciting Materials (definitive)19402769https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19402769Fri, 01 May 2026 00:00:00 -0400ONE Gas - SC 13G/A - Amended Statement of Ownership19399111https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19399111Fri, 01 May 2026 00:00:00 -0400ONE Gas - SC 13G - Statement of Ownership19392063https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19392063Thu, 30 Apr 2026 00:00:00 -0400ONE Gas - SC 13G - Statement of Ownership19384908https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19384908Wed, 29 Apr 2026 00:00:00 -0400ONE Gas - 8-K - Current report filing19326810https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19326810Tue, 07 Apr 2026 00:00:00 -0400ONE Gas - ARS - Annual Report to Security Holders19311156https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19311156Wed, 01 Apr 2026 00:00:00 -0400ONE Gas - DEF 14A - Proxy Statement (definitive)19311095https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19311095Wed, 01 Apr 2026 00:00:00 -0400ONE Gas - SC 13G/A - Amended Statement of Ownership19291175https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19291175Fri, 27 Mar 2026 00:00:00 -0400ONE Gas - 4 - Statement of Changes in Beneficial Ownership19235994https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19235994Tue, 10 Mar 2026 00:00:00 -0400ONE Gas - 4 - Statement of Changes in Beneficial Ownership19185281https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19185281Wed, 25 Feb 2026 00:00:00 -0500ONE Gas - 8-K - Current report filing19179366https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19179366Tue, 24 Feb 2026 00:00:00 -0500ONE Gas - 144 - Report of proposed sale of securities19176838https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19176838Tue, 24 Feb 2026 00:00:00 -0500ONE Gas - 8-K - Current report filing19176150https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19176150Tue, 24 Feb 2026 00:00:00 -0500ONE Gas - 424B5 - Prospectus filed pursuant to Rule 424(b)(5)19176149https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19176149Tue, 24 Feb 2026 00:00:00 -0500ONE Gas - S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers19174669https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19174669Mon, 23 Feb 2026 00:00:00 -0500ONE Gas - S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers19174593https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19174593Mon, 23 Feb 2026 00:00:00 -0500