OGS - CIK 0001587732
ONE Gas, Inc. has filed 971 documents with the SEC between 2013 and 2026. The most frequent type is insider trade (377 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Major company event | 8-K | 2026-05-26 | 2026-05-26 |
| Insider trade | 4 | 2026-05-26 | 2026-05-21 |
| Insider trade | 4 | 2026-05-26 | 2026-05-21 |
| Insider trade | 4 | 2026-05-26 | 2026-05-21 |
| Insider trade | 4 | 2026-05-26 | 2026-05-21 |
| Insider trade | 4 | 2026-05-26 | 2026-05-21 |
| Insider trade | 4 | 2026-05-26 | 2026-05-21 |
| Insider trade | 4 | 2026-05-26 | 2026-05-21 |
| Employee stock plan | S-8 | 2026-05-22 | - |
| SCHEDULE 13G/A | - | 2026-05-15 | - |
| Major company event | 8-K | 2026-05-12 | 2026-05-12 |
| Quarterly report | 10-Q | 2026-05-05 | 2026-03-31 |
| Major company event | 8-K | 2026-05-04 | 2026-05-04 |
| Proxy materials | DEFA14A | 2026-05-01 | - |
| SCHEDULE 13G/A | - | 2026-05-01 | - |
| SCHEDULE 13G | - | 2026-04-30 | - |
| SCHEDULE 13G | - | 2026-04-29 | - |
| Major company event | 8-K | 2026-04-07 | 2026-04-07 |
| Annual report to shareholders | ARS | 2026-04-01 | 2025-12-31 |
| Proxy statement | DEF 14A | 2026-04-01 | 2026-05-21 |
| SCHEDULE 13G/A | - | 2026-03-27 | - |
| Insider trade | 4 | 2026-03-10 | 2026-03-06 |
| Insider trade | 4 | 2026-02-25 | 2026-02-24 |
| Insider sale notice | 144 | 2026-02-24 | - |
| Major company event | 8-K | 2026-02-24 | 2026-02-24 |
| Major company event | 8-K | 2026-02-24 | 2026-02-23 |
| Prospectus supplement | 424B5 | 2026-02-24 | - |
| S-3ASR | - | 2026-02-23 | - |
| S-3ASR | - | 2026-02-23 | - |
| Major company event | 8-K | 2026-02-20 | 2026-02-20 |
| Annual report | 10-K | 2026-02-19 | 2025-12-31 |
| Insider trade | 4 | 2026-02-19 | 2026-02-14 |
| Insider trade | 4 | 2026-02-19 | 2026-02-16 |
| Insider trade | 4 | 2026-02-19 | 2026-02-14 |
| Insider trade | 4 | 2026-02-19 | 2026-02-14 |
| Insider trade | 4 | 2026-02-19 | 2026-02-14 |
| Insider trade | 4 | 2026-02-19 | 2026-02-14 |
| Insider trade | 4 | 2026-02-19 | 2026-02-16 |
| Insider trade | 4 | 2026-02-19 | 2026-02-14 |
| Insider trade | 4 | 2026-02-19 | 2026-02-14 |
| Major company event | 8-K | 2026-02-18 | 2026-02-18 |
| Major company event | 8-K | 2026-02-18 | 2026-02-18 |
| Major company event | 8-K | 2026-01-22 | 2026-01-22 |
| Major company event | 8-K | 2026-01-20 | 2026-01-20 |
| Major company event | 8-K | 2025-12-29 | 2025-12-29 |
| Major company event | 8-K | 2025-12-19 | 2025-12-17 |
| Major company event | 8-K | 2025-12-18 | 2025-12-18 |
| Insider trade | 4 | 2025-12-05 | 2025-12-04 |
| Insider sale notice | 144 | 2025-12-04 | - |
| Major company event | 8-K | 2025-12-02 | 2025-12-02 |