ONE Gas SEC Filings https://www.onegas.com/generated by Q4Thu, 13 Aug 2026 16:16:48 -0400Copyright Q4 Inc. All rights reserved.ONE Gas - 4 - Statement of Changes in Beneficial Ownership19695929https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19695929Thu, 13 Aug 2026 00:00:00 -0400ONE Gas - 8-K - Current report filing19695563https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19695563Thu, 13 Aug 2026 00:00:00 -0400ONE Gas - 424B5 - Prospectus filed pursuant to Rule 424(b)(5)19691048https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19691048Wed, 12 Aug 2026 00:00:00 -0400ONE Gas - FWP - Free Writing Prospectus - Filing under Securities Act Rules 163/43319687071https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19687071Tue, 11 Aug 2026 00:00:00 -0400ONE Gas - 424B5 - Prospectus filed pursuant to Rule 424(b)(5)19684222https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19684222Tue, 11 Aug 2026 00:00:00 -0400ONE Gas - SC 13G - Statement of Ownership19675986https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19675986Fri, 07 Aug 2026 00:00:00 -0400ONE Gas - 10-Q - Quarterly Report19668145https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19668145Wed, 05 Aug 2026 00:00:00 -0400ONE Gas - 8-K - Current report filing19663449https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19663449Tue, 04 Aug 2026 00:00:00 -0400ONE Gas - 8-K - Current report filing19662983https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19662983Tue, 04 Aug 2026 00:00:00 -0400ONE Gas - 3 - Initial Statement of Beneficial Ownership19627870https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19627870Thu, 23 Jul 2026 00:00:00 -0400ONE Gas - 8-K - Current report filing19605119https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19605119Mon, 13 Jul 2026 00:00:00 -0400ONE Gas - 8-K - Current report filing19597734https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19597734Wed, 08 Jul 2026 00:00:00 -0400ONE Gas - 11-K - Annual Report of Employee Stock Plans19563182https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19563182Thu, 25 Jun 2026 00:00:00 -0400ONE Gas - 4 - Statement of Changes in Beneficial Ownership19528222https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19528222Wed, 10 Jun 2026 00:00:00 -0400ONE Gas - 4 - Statement of Changes in Beneficial Ownership19514770https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19514770Thu, 04 Jun 2026 00:00:00 -0400ONE Gas - 4 - Statement of Changes in Beneficial Ownership19514774https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19514774Thu, 04 Jun 2026 00:00:00 -0400ONE Gas - 8-K - Current report filing19483502https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19483502Wed, 27 May 2026 00:00:00 -0400ONE Gas - 8-K - Current report filing19479322https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19479322Tue, 26 May 2026 00:00:00 -0400ONE Gas - 4 - Statement of Changes in Beneficial Ownership19479093https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19479093Tue, 26 May 2026 00:00:00 -0400ONE Gas - 4 - Statement of Changes in Beneficial Ownership19479100https://www.onegas.com/investors/financials-and-filings/sec-filings/sec-filings-details/default.aspx?FilingId=19479100Tue, 26 May 2026 00:00:00 -0400