KNF - CIK 0001955520
Knife River Corp has filed 176 documents with the SEC between 2022 and 2026. The most frequent type is insider trade (62 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 |
|---|---|---|---|
| Insider trade | 4 | 2024-02-26 | 2024-02-22 |
| Insider trade | 4 | 2024-02-26 | 2024-02-22 |
| Insider trade | 4 | 2024-02-26 | 2024-02-22 |
| Insider trade | 4 | 2024-02-26 | 2024-02-22 |
| Major company event | 8-K | 2024-02-15 | 2024-02-15 |
| Passive ownership stake (update) | SC 13G/A | 2024-02-13 | - |
| Passive ownership stake (update) | SC 13G/A | 2024-01-23 | - |
| Passive ownership stake | SC 13G | 2023-12-08 | - |
| Insider trade | 4 | 2023-11-16 | 2023-11-15 |
| Insider trade | 4 | 2023-11-16 | 2023-11-15 |
| Insider trade | 4 | 2023-11-16 | 2023-11-15 |
| Insider trade | 4 | 2023-11-16 | 2023-11-15 |
| Insider trade | 4 | 2023-11-16 | 2023-11-15 |
| 424B4 | - | 2023-11-08 | - |
| Quarterly report | 10-Q | 2023-11-06 | 2023-09-30 |
| Major company event | 8-K | 2023-11-06 | 2023-11-06 |
| 424B3 | - | 2023-11-06 | - |
| 424B4 | - | 2023-11-06 | - |
| 424B3 | - | 2023-11-06 | - |
| EFFECT | - | 2023-09-28 | - |
| IPO registration | S-1 | 2023-09-26 | - |
| DRS | - | 2023-09-01 | - |
| Quarterly report | 10-Q | 2023-08-08 | 2023-06-30 |
| Major company event | 8-K | 2023-08-08 | 2023-08-08 |
| Insider trade (amended) | 4/A | 2023-07-28 | 2023-07-12 |
| Insider trade (amended) | 4/A | 2023-07-28 | 2023-07-12 |
| Insider trade (amended) | 4/A | 2023-07-28 | 2023-07-12 |
| Insider trade (amended) | 4/A | 2023-07-28 | 2023-07-12 |
| Insider trade (amended) | 4/A | 2023-07-28 | 2023-07-12 |
| Insider trade | 4 | 2023-07-13 | 2023-07-12 |
| Insider trade | 4 | 2023-07-13 | 2023-07-12 |
| Insider trade | 4 | 2023-07-13 | 2023-07-12 |
| Insider trade | 4 | 2023-07-13 | 2023-07-12 |
| Insider trade | 4 | 2023-07-13 | 2023-07-12 |
| Insider trade | 4 | 2023-07-13 | 2023-07-12 |
| Passive ownership stake | SC 13G | 2023-07-07 | - |
| Employee stock plan | S-8 | 2023-06-02 | - |
| Employee stock plan | S-8 | 2023-06-02 | - |
| New insider ownership | 3 | 2023-06-01 | 2023-05-31 |
| New insider ownership | 3 | 2023-06-01 | 2023-05-31 |
| New insider ownership | 3 | 2023-06-01 | 2023-05-31 |
| New insider ownership | 3 | 2023-06-01 | 2023-05-31 |
| New insider ownership | 3 | 2023-06-01 | 2023-05-31 |
| New insider ownership | 3 | 2023-06-01 | 2023-05-31 |
| New insider ownership | 3 | 2023-06-01 | 2023-05-31 |
| New insider ownership | 3 | 2023-06-01 | 2023-05-31 |
| Major company event | 8-K | 2023-06-01 | 2023-05-30 |
| New insider ownership | 3 | 2023-05-22 | 2023-05-21 |
| Major company event | 8-K | 2023-05-18 | 2023-05-18 |
| Quarterly report | 10-Q | 2023-05-16 | 2023-03-31 |