| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | ONE Gas, Inc. | 6,412,557 | 11.6% | EDGAR |
| SC 13G/A | 2024-02-12 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | ONE Gas, Inc. | 2,946,282 | 5.3% | EDGAR |
| SC 13G/A | 2024-01-25 | STATE STREET CORP | ONE Gas, Inc. | - | 5.8% | EDGAR |
| SC 13G/A | 2024-01-23 | BlackRock Inc. | ONE Gas, Inc. | 8,049,308 | 14.5% | EDGAR |
| SC 13G/A | 2023-08-09 | STATE STREET CORP | ONE Gas, Inc. | - | 5.7% | EDGAR |
| SC 13G/A | 2023-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | ONE Gas, Inc. | 64,340 | 0.1% | EDGAR |
| SC 13G | 2023-02-10 | STATE STREET CORP | ONE Gas, Inc. | - | 11.6% | EDGAR |
| SC 13G/A | 2023-02-09 | VANGUARD GROUP INC | ONE Gas, Inc. | 6,246,071 | 11.5% | EDGAR |
| SC 13G/A | 2023-02-08 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | ONE Gas, Inc. | 2,599,747 | 4.8% | EDGAR |
| SC 13G/A | 2023-01-23 | BlackRock Inc. | ONE Gas, Inc. | 6,839,994 | 12.6% | EDGAR |
| SC 13G/A | 2022-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | ONE Gas, Inc. | 3,160,604 | 5.8% | EDGAR |
| SC 13G/A | 2022-02-10 | VANGUARD GROUP INC | ONE Gas, Inc. | 5,824,796 | 10.9% | EDGAR |
| SC 13G/A | 2022-02-04 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | ONE Gas, Inc. | 3,104,254 | 5.8% | EDGAR |
| SC 13G/A | 2022-01-27 | BlackRock Inc. | ONE Gas, Inc. | 6,548,818 | 12.2% | EDGAR |
| SC 13G/A | 2022-01-26 | BlackRock Inc. | ONE Gas, Inc. | 6,548,818 | 12.2% | EDGAR |
| SC 13G/A | 2021-06-10 | VANGUARD GROUP INC | ONE Gas, Inc. | 5,349,711 | 10.0% | EDGAR |
| SC 13G/A | 2021-02-16 | PRICE T ROWE ASSOCIATES INC /MD/ | ONE Gas, Inc. | 3,743,332 | 7.0% | EDGAR |
| SC 13G/A | 2021-02-11 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | ONE Gas, Inc. | 3,104,803 | 5.8% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | ONE Gas, Inc. | 5,148,084 | 9.7% | EDGAR |
| SC 13G/A | 2021-01-27 | BlackRock Inc. | ONE Gas, Inc. | 6,295,345 | 11.9% | EDGAR |