| 2026-08-04 | 8-K | 8-K filed 2026-08-04 by Knife River Corp |
| 2026-08-04 | 10-Q | 10-Q filed 2026-08-04 by Knife River Corp |
| 2026-05-21 | 8-K | 8-K filed 2026-05-21 by Knife River Corp |
| 2026-05-18 | 8-K | 8-K filed 2026-05-18 by Knife River Corp |
| 2026-05-05 | 8-K | 8-K filed 2026-05-05 by Knife River Corp |
| 2026-05-05 | 10-Q | 10-Q filed 2026-05-05 by Knife River Corp |
| 2026-04-06 | DEF 14A | DEF 14A filed 2026-04-06 by Knife River Corp |
| 2026-02-20 | 10-K | 10-K filed 2026-02-20 by Knife River Corp |
| 2026-02-17 | 8-K | 8-K filed 2026-02-17 by Knife River Corp |
| 2025-11-05 | 10-Q | 10-Q filed 2025-11-05 by Knife River Corp |
| 2025-11-04 | 8-K | 8-K filed 2025-11-04 by Knife River Corp |
| 2025-08-05 | 8-K | 8-K filed 2025-08-05 by Knife River Corp |
| 2025-08-05 | 10-Q | 10-Q filed 2025-08-05 by Knife River Corp |
| 2025-05-28 | 8-K | 8-K filed 2025-05-28 by Knife River Corp |
| 2025-05-06 | 8-K | 8-K filed 2025-05-06 by Knife River Corp |
| 2025-05-06 | 10-Q | 10-Q filed 2025-05-06 by Knife River Corp |
| 2025-04-07 | DEF 14A | DEF 14A filed 2025-04-07 by Knife River Corp |
| 2025-03-28 | 8-K | 8-K filed 2025-03-28 by Knife River Corp |
| 2025-03-10 | 8-K | 8-K filed 2025-03-10 by Knife River Corp |
| 2025-02-21 | 10-K | 10-K filed 2025-02-21 by Knife River Corp |
| 2025-02-13 | 8-K | 8-K filed 2025-02-13 by Knife River Corp |
| 2025-01-17 | 8-K | 8-K filed 2025-01-17 by Knife River Corp |
| 2024-12-26 | 8-K | 8-K filed 2024-12-26 by Knife River Corp |
| 2024-11-04 | 8-K | 8-K filed 2024-11-04 by Knife River Corp |
| 2024-11-04 | 10-Q | 10-Q filed 2024-11-04 by Knife River Corp |
| 2024-08-21 | 8-K | 8-K filed 2024-08-21 by Knife River Corp |
| 2024-08-06 | 8-K | 8-K filed 2024-08-06 by Knife River Corp |
| 2024-08-06 | 10-Q | 10-Q filed 2024-08-06 by Knife River Corp |
| 2024-06-27 | 8-K | 8-K filed 2024-06-27 by Knife River Corp |
| 2024-05-17 | 8-K | 8-K filed 2024-05-17 by Knife River Corp |