| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| 8-K | Report | Data | KNIFE RIVER CORPORATION FORM 8-K | Nov 4, 2024 | Nov 4, 2024 |
| 8-K | Report | Data | 8-K | Aug 21, 2024 | Aug 20, 2024 |
| 8-K | Report | Data | KNIFE RIVER CORPORATION FORM 8-K | Aug 6, 2024 | Aug 6, 2024 |
| 8-K | Report | Data | 8-K | Jun 27, 2024 | Jun 27, 2024 |
| 8-K | Report | Data | 8-K | May 17, 2024 | May 14, 2024 |
| 8-K | Report | Data | KNIFE RIVER CORPORATION FORM 8-K | May 7, 2024 | May 7, 2024 |
| 8-K | Report | Data | KNIFE RIVER CORPORATION FORM 8-K | Feb 15, 2024 | Feb 15, 2024 |
| 8-K | Report | Data | KNIFE RIVER CORPORATION FORM 8-K | Nov 6, 2023 | Nov 6, 2023 |
| 8-K | Report | Data | KNIFE RIVER CORPORATION FORM 8-K | Aug 8, 2023 | Aug 8, 2023 |
| 8-K | Report | Data | 8-K | Jun 1, 2023 | May 30, 2023 |
| 8-K | Report | Data | 8-K | May 18, 2023 | May 18, 2023 |
| 8-K | Report | Data | FORM 8-K | May 12, 2023 | May 10, 2023 |