ONE Gas, Inc. SEC filings OGS

ONE Gas, Inc. has 997 filings in SEC EDGAR's recent list, going back to Oct 1, 2013. Its latest annual report, Form ARS, was filed on Apr 1, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 2, 2026 (results of operations, regulation fd disclosure, other events). The company's fiscal year ends on December 31.

ONE Gas, Inc. SEC filings
Form Description Filed Period
10-Q Quarterly report Nov 3, 2026 Sep 30, 2026
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Nov 2, 2026 Nov 2, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Oct 27, 2026 —
8-K Current report
Regulation FD disclosure
Sep 29, 2026 Sep 29, 2026
8-K Current report
Regulation FD disclosure
Sep 25, 2026 Sep 25, 2026
8-K Current report
Regulation FD disclosure
Sep 8, 2026 Sep 8, 2026
4 Insider transaction Aug 13, 2026 Aug 11, 2026
8-K Current report
Material agreement, New debt
Aug 13, 2026 Aug 11, 2026
424B5 Prospectus supplement Aug 12, 2026 —
FWP Free writing prospectus Aug 11, 2026 —
424B5 Prospectus supplement Aug 11, 2026 —
SCHEDULE 13G Ownership over 5% (passive) Aug 7, 2026 —
10-Q Quarterly report Aug 5, 2026 Jun 30, 2026
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Aug 4, 2026 Aug 4, 2026
8-K Current report
Bylaw or fiscal year change
Aug 4, 2026 Aug 4, 2026
3 Initial insider ownership Jul 23, 2026 Jul 13, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
Jul 13, 2026 Jul 13, 2026
8-K Current report
Regulation FD disclosure
Jul 8, 2026 Jul 8, 2026
11-K Employee savings plan report Jun 25, 2026 Dec 31, 2025
4 Insider transaction Jun 10, 2026 Jun 9, 2026
4 Insider transaction Jun 4, 2026 Jun 3, 2026
4 Insider transaction Jun 4, 2026 Jun 3, 2026
8-K Current report
Shareholder vote results
May 27, 2026 May 21, 2026
8-K Current report
Regulation FD disclosure
May 26, 2026 May 26, 2026
4 Insider transaction May 26, 2026 May 21, 2026
4 Insider transaction May 26, 2026 May 21, 2026
4 Insider transaction May 26, 2026 May 21, 2026
4 Insider transaction May 26, 2026 May 21, 2026
4 Insider transaction May 26, 2026 May 21, 2026
4 Insider transaction May 26, 2026 May 21, 2026
4 Insider transaction May 26, 2026 May 21, 2026
S-8 Employee stock plan registration May 22, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) May 15, 2026 —
8-K Current report
Regulation FD disclosure
May 12, 2026 May 12, 2026
10-Q Quarterly report May 5, 2026 Mar 31, 2026
8-K Current report
Results of operations, Regulation FD disclosure, Other events
May 4, 2026 May 4, 2026
DEFA14A Additional proxy material May 1, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) May 1, 2026 —
SCHEDULE 13G Ownership over 5% (passive) Apr 30, 2026 —
SCHEDULE 13G Ownership over 5% (passive) Apr 29, 2026 —
8-K Current report
Regulation FD disclosure
Apr 7, 2026 Apr 7, 2026
ARS Annual report to shareholders Apr 1, 2026 Dec 31, 2025
DEF 14A Proxy statement Apr 1, 2026 May 21, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 27, 2026 —
4 Insider transaction Mar 10, 2026 Mar 6, 2026
4 Insider transaction Feb 25, 2026 Feb 24, 2026
8-K Current report
Regulation FD disclosure
Feb 24, 2026 Feb 24, 2026
144 Notice of proposed sale Feb 24, 2026 —
8-K Current report
Material agreement
Feb 24, 2026 Feb 23, 2026
424B5 Prospectus supplement Feb 24, 2026 —
S-3ASR Automatic shelf registration Feb 23, 2026 —
S-3ASR Automatic shelf registration Feb 23, 2026 —
8-K Current report
Other events
Feb 20, 2026 Feb 20, 2026
4 Insider transaction Feb 19, 2026 Feb 14, 2026
4 Insider transaction Feb 19, 2026 Feb 16, 2026
4 Insider transaction Feb 19, 2026 Feb 14, 2026
4 Insider transaction Feb 19, 2026 Feb 14, 2026
4 Insider transaction Feb 19, 2026 Feb 14, 2026
4 Insider transaction Feb 19, 2026 Feb 16, 2026
4 Insider transaction Feb 19, 2026 Feb 14, 2026
4 Insider transaction Feb 19, 2026 Feb 14, 2026
4 Insider transaction Feb 19, 2026 Feb 14, 2026
10-K Annual report Feb 19, 2026 Dec 31, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Feb 18, 2026 Feb 18, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
Feb 18, 2026 Feb 18, 2026
SCHEDULE 13G Ownership over 5% (passive) Feb 9, 2026 —
8-K Current report
Regulation FD disclosure
Jan 22, 2026 Jan 22, 2026
8-K Current report
Regulation FD disclosure, Other events
Jan 20, 2026 Jan 20, 2026
8-K Current report
Other events
Dec 29, 2025 Dec 29, 2025
8-K Current report
Material agreement, New debt
Dec 19, 2025 Dec 17, 2025
8-K Current report
Other events
Dec 18, 2025 Dec 18, 2025
4 Insider transaction Dec 5, 2025 Dec 4, 2025
144 Notice of proposed sale Dec 4, 2025 —
8-K Current report
Regulation FD disclosure
Dec 2, 2025 Dec 2, 2025
8-K Current report
Regulation FD disclosure
Dec 1, 2025 Dec 1, 2025
8-K Current report
Bylaw or fiscal year change
Nov 20, 2025 Nov 19, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Nov 18, 2025 Nov 17, 2025
CERT Nyse texas certification Nov 10, 2025 —
SCHEDULE 13G Ownership over 5% (passive) Nov 10, 2025 —
8-A12B Filing Nov 10, 2025 —
10-Q Quarterly report Nov 4, 2025 Sep 30, 2025
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Nov 3, 2025 Nov 3, 2025
8-K Current report
Material agreement, New debt
Oct 30, 2025 Oct 30, 2025
3 Initial insider ownership Oct 1, 2025 Oct 1, 2025
8-K Current report
Regulation FD disclosure
Sep 30, 2025 Sep 30, 2025
8-K Current report
Regulation FD disclosure
Sep 12, 2025 Sep 12, 2025
8-K Current report
Material agreement, New debt
Aug 11, 2025 Aug 11, 2025
SCHEDULE 13G Ownership over 5% (passive) Aug 11, 2025 —
10-Q Quarterly report Aug 6, 2025 Jun 30, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Aug 5, 2025 Aug 5, 2025
8-K Current report
Bylaw or fiscal year change
Aug 5, 2025 Aug 4, 2025
8-K Current report
Regulation FD disclosure, Other events
Aug 4, 2025 Aug 4, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Jul 29, 2025 —
8-K Current report
Regulation FD disclosure
Jul 2, 2025 Jul 2, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Jul 1, 2025 Jul 1, 2025
11-K Employee savings plan report Jun 26, 2025 Dec 31, 2024
8-K Current report
Regulation FD disclosure
Jun 9, 2025 Jun 9, 2025
8-K Current report
Regulation FD disclosure
Jun 3, 2025 Jun 3, 2025
8-K Current report
Shareholder vote results
May 28, 2025 May 22, 2025
4 Insider transaction May 27, 2025 May 22, 2025
4 Insider transaction May 27, 2025 May 22, 2025
4 Insider transaction May 27, 2025 May 22, 2025
4 Insider transaction May 27, 2025 May 22, 2025
4 Insider transaction May 27, 2025 May 22, 2025
4 Insider transaction May 27, 2025 May 22, 2025
4 Insider transaction May 27, 2025 May 22, 2025
4 Insider transaction May 27, 2025 May 22, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) May 15, 2025 —
8-K Current report
Material agreement
May 12, 2025 May 8, 2025
424B5 Prospectus supplement May 9, 2025 —
424B5 Prospectus supplement May 9, 2025 —
8-K Current report
Regulation FD disclosure
May 8, 2025 May 8, 2025
10-Q Quarterly report May 6, 2025 Mar 31, 2025
8-K Current report
Results of operations, Regulation FD disclosure, Other events
May 5, 2025 May 5, 2025
DEFA14A Additional proxy material May 1, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Apr 23, 2025 —
8-K Current report
Regulation FD disclosure
Apr 17, 2025 Apr 17, 2025
8-K Current report
Regulation FD disclosure
Apr 8, 2025 Apr 8, 2025
4/A Filing Apr 7, 2025 Feb 18, 2025
ARS Annual report to shareholders Apr 2, 2025 Dec 31, 2024
DEF 14A Proxy statement Apr 2, 2025 May 22, 2025
4 Insider transaction Mar 20, 2025 Mar 18, 2025
144 Notice of proposed sale Mar 18, 2025 —
8-K Current report
Other events
Feb 21, 2025 Feb 21, 2025
10-K Annual report Feb 20, 2025 Dec 31, 2024
4 Insider transaction Feb 20, 2025 Feb 18, 2025
4 Insider transaction Feb 20, 2025 Feb 18, 2025
4 Insider transaction Feb 20, 2025 Feb 18, 2025
4 Insider transaction Feb 20, 2025 Feb 18, 2025
4 Insider transaction Feb 20, 2025 Feb 18, 2025
4 Insider transaction Feb 20, 2025 Feb 18, 2025
4 Insider transaction Feb 20, 2025 Feb 18, 2025
4 Insider transaction Feb 20, 2025 Feb 18, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Feb 19, 2025 Feb 19, 2025
8-K Current report
Regulation FD disclosure
Feb 14, 2025 Feb 14, 2025
8-K Current report
Regulation FD disclosure
Jan 23, 2025 Jan 23, 2025
8-K Current report
Regulation FD disclosure, Other events
Jan 21, 2025 Jan 21, 2025
8-K Current report
Material agreement, Other events
Dec 27, 2024 Dec 27, 2024
8-K Current report
Regulation FD disclosure
Dec 4, 2024 Dec 4, 2024
8-K Current report
Regulation FD disclosure
Dec 2, 2024 Dec 2, 2024
SC 13G Ownership over 5% (passive) Nov 8, 2024 —
SC 13G/A Amended ownership over 5% (passive) Nov 8, 2024 —
10-Q Quarterly report Nov 5, 2024 Sep 30, 2024
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Nov 4, 2024 Nov 4, 2024
8-K Current report
Material agreement, New debt
Oct 22, 2024 Oct 21, 2024
8-K Current report
Material agreement, New debt
Oct 15, 2024 Oct 11, 2024
8-K Current report
Regulation FD disclosure
Oct 1, 2024 Oct 1, 2024
8-K Current report
Material agreement, New debt
Aug 12, 2024 Aug 8, 2024
424B5 Prospectus supplement Aug 12, 2024 —
FWP Free writing prospectus Aug 8, 2024 —
424B5 Prospectus supplement Aug 8, 2024 —
10-Q Quarterly report Aug 6, 2024 Jun 30, 2024
8-K Current report
Results of operations, Regulation FD disclosure
Aug 5, 2024 Aug 5, 2024
8-K Current report
Material agreement, New debt
Jul 30, 2024 Jul 25, 2024
4 Insider transaction Jul 24, 2024 Jul 22, 2024
4 Insider transaction Jul 24, 2024 Jul 22, 2024
3 Initial insider ownership Jul 17, 2024 Jul 2, 2024
3 Initial insider ownership Jul 17, 2024 Jul 2, 2024
8-K Current report
Regulation FD disclosure, Other events
Jul 15, 2024 Jul 15, 2024
8-K Current report
Officer or director change, Regulation FD disclosure
Jul 9, 2024 Jul 2, 2024
8-K Current report Jul 2, 2024 Jul 2, 2024
4 Insider transaction Jul 2, 2024 Jun 28, 2024
8-K Current report
Material agreement, New debt
Jun 28, 2024 Jun 27, 2024
11-K Employee savings plan report Jun 21, 2024 Dec 31, 2023
8-K Current report
Regulation FD disclosure
May 31, 2024 May 31, 2024
8-K Current report
Officer or director change, Shareholder vote results
May 29, 2024 May 29, 2024
4 Insider transaction May 28, 2024 May 23, 2024
4 Insider transaction May 28, 2024 May 23, 2024
4 Insider transaction May 28, 2024 May 23, 2024
4 Insider transaction May 28, 2024 May 23, 2024
4 Insider transaction May 28, 2024 May 23, 2024
4 Insider transaction May 28, 2024 May 23, 2024
10-Q Quarterly report May 7, 2024 Mar 31, 2024
8-K Current report
Results of operations, Regulation FD disclosure, Other events
May 6, 2024 May 6, 2024
DEFA14A Additional proxy material May 1, 2024 —
8-K Current report
Regulation FD disclosure
Apr 15, 2024 Apr 15, 2024
8-K Current report
Regulation FD disclosure
Apr 9, 2024 Apr 9, 2024
ARS Annual report to shareholders Apr 3, 2024 Dec 31, 2023
DEF 14A Proxy statement Apr 3, 2024 May 23, 2024
8-K Current report
Regulation FD disclosure
Mar 1, 2024 Mar 1, 2024
8-K Current report
Regulation FD disclosure, Other events
Mar 1, 2024 Mar 1, 2024
8-K Current report
Other events
Feb 23, 2024 Feb 23, 2024
10-K Annual report Feb 22, 2024 Dec 31, 2023
4 Insider transaction Feb 21, 2024 Feb 19, 2024
4 Insider transaction Feb 21, 2024 Feb 19, 2024
4 Insider transaction Feb 21, 2024 Feb 19, 2024
4 Insider transaction Feb 21, 2024 Feb 19, 2024
8-K Current report
Results of operations, Regulation FD disclosure
Feb 21, 2024 Feb 21, 2024
4 Insider transaction Feb 21, 2024 Feb 19, 2024
4 Insider transaction Feb 21, 2024 Feb 19, 2024
4 Insider transaction Feb 21, 2024 Feb 19, 2024
4 Insider transaction Feb 21, 2024 Feb 19, 2024
4 Insider transaction Feb 21, 2024 Feb 19, 2024
SC 13G/A Amended ownership over 5% (passive) Feb 13, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 12, 2024 —
8-K Current report
Regulation FD disclosure
Jan 25, 2024 Jan 25, 2024
SC 13G/A Amended ownership over 5% (passive) Jan 25, 2024 —
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Jan 23, 2024 Jan 23, 2024
SC 13G/A Amended ownership over 5% (passive) Jan 23, 2024 —
3 Initial insider ownership Jan 3, 2024 Jan 1, 2024

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Natural Gas Distribution (SIC 4924)
Listed as
OGS (NYSE)
Fiscal year ends
December 31
Incorporated in
OK
Headquarters
Tulsa, OK
SEC filer status
Large accelerated filer
SEC CIK
1587732

Other Natural Gas Distribution companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.