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ONE Gas, Inc. — All Filings

954 total filings on record

Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.

Overview All Filings Financials Insiders
All 10-12B 10-12B/A 10-K 10-K/A 10-Q 10-Q/A 11-K 144 3 4 4/A 424B1 424B3 424B5 8-A12B 8-K 8-K/A ARS CERT CERTNYS CORRESP DEF 14A DEFA14A EFFECT FWP PRE 14A S-3ASR S-4 S-4/A S-8 S-8 POS SC 13G SC 13G/A SCHEDULE 13G/A SF-1 SF-1/A UPLOAD
Form Description Accession Number Filed Period
SCHEDULE 13G/A 0000102909-26-001938 Mar 27, 2026
4 4 0001193125-26-100161 Mar 10, 2026 Mar 6, 2026
4 4 0001193125-26-072079 Feb 25, 2026 Feb 24, 2026
8-K 8-K 0001587732-26-000014 Feb 24, 2026
144 0001959173-26-001391 Feb 24, 2026
8-K 8-K 0001193125-26-064564 Feb 24, 2026 Feb 23, 2026
424B5 424B5 0001193125-26-064559 Feb 24, 2026
S-3ASR S-3ASR 0001193125-26-064072 Feb 23, 2026
S-3ASR S-3ASR 0001193125-26-064055 Feb 23, 2026
8-K 8-K 0001587732-26-000012 Feb 20, 2026
4 4 0001193125-26-059432 Feb 19, 2026 Feb 14, 2026
4 4 0001193125-26-059429 Feb 19, 2026 Feb 16, 2026
4 4 0001193125-26-059428 Feb 19, 2026 Feb 14, 2026
4 4 0001193125-26-059425 Feb 19, 2026 Feb 14, 2026
4 4 0001193125-26-059419 Feb 19, 2026 Feb 14, 2026
4 4 0001193125-26-059418 Feb 19, 2026 Feb 16, 2026
4 4 0001193125-26-059424 Feb 19, 2026 Feb 14, 2026
4 4 0001193125-26-059415 Feb 19, 2026 Feb 14, 2026
4 4 0001193125-26-059412 Feb 19, 2026 Feb 14, 2026
10-K 10-K 0001587732-26-000009 Feb 19, 2026 Dec 31, 2025
8-K 8-K 0001587732-26-000006 Feb 18, 2026
8-K 8-K 0001193125-26-057048 Feb 18, 2026
8-K 8-K 0001587732-26-000004 Jan 22, 2026
8-K 8-K 0001587732-26-000002 Jan 20, 2026
8-K 8-K 0001193125-25-335291 Dec 29, 2025
8-K 8-K 0001587732-25-000066 Dec 19, 2025 Dec 17, 2025
8-K 8-K 0001587732-25-000064 Dec 18, 2025
4 4 0001193125-25-309689 Dec 5, 2025 Dec 4, 2025
144 0001949846-25-000661 Dec 4, 2025
8-K 8-K 0001587732-25-000062 Dec 2, 2025
8-K 8-K 0001587732-25-000060 Dec 1, 2025
8-K 8-K 0001193125-25-289790 Nov 20, 2025 Nov 19, 2025
8-K 8-K 0001193125-25-286182 Nov 18, 2025 Nov 17, 2025
CERT NYSE TEXAS CERTIFICATION 0000876882-25-000064 Nov 10, 2025
8-A12B 8-A12B 0001193125-25-273376 Nov 10, 2025
10-Q 10-Q 0001587732-25-000055 Nov 4, 2025 Sep 30, 2025
8-K 8-K 0001587732-25-000053 Nov 3, 2025
8-K 8-K 0001193125-25-258511 Oct 30, 2025
3 3 0001193125-25-226785 Oct 1, 2025
8-K 8-K 0001587732-25-000051 Sep 30, 2025
8-K 8-K 0001587732-25-000049 Sep 12, 2025
8-K 8-K 0001193125-25-177925 Aug 11, 2025
10-Q 10-Q 0001587732-25-000046 Aug 6, 2025 Jun 30, 2025
8-K 8-K 0001587732-25-000044 Aug 5, 2025
8-K 8-K 0001193125-25-173519 Aug 5, 2025 Aug 4, 2025
8-K 8-K 0001587732-25-000042 Aug 4, 2025
SCHEDULE 13G/A 0000932471-25-000966 Jul 29, 2025
8-K 8-K 0001587732-25-000040 Jul 2, 2025
8-K 8-K 0001193125-25-154011 Jul 1, 2025
11-K 11-K 0001587732-25-000037 Jun 26, 2025 Dec 31, 2024