| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| 8-K | Report | Data | 8-K | Aug 21, 2024 | Aug 20, 2024 |
| 10-Q | Report | Data | KNIFE RIVER FORM 10-Q 06-30-2024 | Aug 6, 2024 | Jun 30, 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 |
| 10-Q | Report | Data | KNIFE RIVER FORM 10-Q 03-31-2024 | May 7, 2024 | Mar 31, 2024 |
| 8-K | Report | Data | KNIFE RIVER CORPORATION FORM 8-K | May 7, 2024 | May 7, 2024 |
| 10-K | Report | Data | KNIFE RIVER FORM 10-K 2023 | Feb 27, 2024 | Dec 31, 2023 |
| 8-K | Report | Data | KNIFE RIVER CORPORATION FORM 8-K | Feb 15, 2024 | Feb 15, 2024 |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| SC 13G/A | Report | Jan 23, 2024 | ||
| SC 13G | Report | SCHEDULE 13G | Dec 8, 2023 | |
| 10-Q | Report | Data | KNIFE RIVER FORM 10-Q 09-30-2023 | Nov 6, 2023 | Sep 30, 2023 |
| 8-K | Report | Data | KNIFE RIVER CORPORATION FORM 8-K | Nov 6, 2023 | Nov 6, 2023 |
| 10-Q | Report | Data | KNIFE RIVER FORM 10-Q 06-30-2023 | Aug 8, 2023 | Jun 30, 2023 |
| 8-K | Report | Data | KNIFE RIVER CORPORATION FORM 8-K | Aug 8, 2023 | Aug 8, 2023 |
| SC 13G | Report | Jul 7, 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 |
| 10-Q | Report | Data | KNIFE RIVER FORM 10-Q 03-31-2023 | May 16, 2023 | Mar 31, 2023 |
| 8-K | Report | Data | FORM 8-K | May 12, 2023 | May 10, 2023 |