Knife River Corp - KNF
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 18
Latest filed: Apr 01, 2026
| Form | Count |
|---|---|
| 4 | 14 |
| SCHEDULE 13G/A | 2 |
| 8-K | 2 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Apr 01, 2026 | 4 | Mar 31, 2026 | 0001225208-26-004138 | View |
| Mar 27, 2026 | SCHEDULE 13G/A | — | 0000102909-26-001683 | View |
| Mar 09, 2026 | 4 | Mar 06, 2026 | 0001225208-26-003419 | View |
| Mar 05, 2026 | 4 | Mar 04, 2026 | 0001225208-26-003290 | View |
| Mar 05, 2026 | 4 | Mar 04, 2026 | 0001225208-26-003291 | View |
| Mar 05, 2026 | 4 | Mar 04, 2026 | 0001225208-26-003292 | View |
| Mar 05, 2026 | 4 | Mar 04, 2026 | 0001225208-26-003293 | View |
| Mar 05, 2026 | 4 | Mar 04, 2026 | 0001225208-26-003294 | View |
| Mar 05, 2026 | 4 | Mar 04, 2026 | 0001225208-26-003295 | View |
| Feb 17, 2026 | 8-K | Feb 17, 2026 | 0001628280-26-008306 | View |
| Feb 17, 2026 | 4 | Feb 12, 2026 | 0001225208-26-001958 | View |
| Feb 17, 2026 | 4 | Feb 12, 2026 | 0001225208-26-001959 | View |
| Feb 17, 2026 | 4 | Feb 12, 2026 | 0001225208-26-001960 | View |
| Feb 17, 2026 | 4 | Feb 12, 2026 | 0001225208-26-001962 | View |
| Feb 17, 2026 | 4 | Feb 12, 2026 | 0001225208-26-001963 | View |
| Feb 17, 2026 | 4 | Feb 12, 2026 | 0001225208-26-001964 | View |
| Nov 14, 2025 | SCHEDULE 13G/A | — | 0000080255-25-000846 | View |
| Nov 04, 2025 | 8-K | Nov 04, 2025 | 0001955520-25-000065 | View |