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: 19
Latest filed: Oct 07, 2026
| Form | Count |
|---|---|
| 4 | 8 |
| 8-K | 5 |
| SCHEDULE 13G/A | 3 |
| SCHEDULE 13G | 3 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Oct 07, 2026 | SCHEDULE 13G/A | — | 0000080255-26-000610 | View |
| Oct 01, 2026 | 4 | Sep 30, 2026 | 0001225208-26-008063 | View |
| Sep 23, 2026 | 8-K | Sep 23, 2026 | 0001628280-26-063145 | View |
| Aug 14, 2026 | SCHEDULE 13G/A | — | 0000080255-26-000583 | View |
| Aug 12, 2026 | SCHEDULE 13G | — | 0001422849-26-000145 | View |
| Aug 04, 2026 | 8-K | Aug 04, 2026 | 0001628280-26-052184 | View |
| Jul 31, 2026 | SCHEDULE 13G | — | 0002100121-26-000876 | View |
| Jul 01, 2026 | 4 | Jun 30, 2026 | 0001225208-26-006292 | View |
| May 21, 2026 | 4 | May 20, 2026 | 0001225208-26-005537 | View |
| May 21, 2026 | 4 | May 20, 2026 | 0001225208-26-005538 | View |
| May 21, 2026 | 4 | May 20, 2026 | 0001225208-26-005539 | View |
| May 21, 2026 | 4 | May 20, 2026 | 0001225208-26-005540 | View |
| May 21, 2026 | 4 | May 20, 2026 | 0001225208-26-005541 | View |
| May 21, 2026 | 4 | May 20, 2026 | 0001225208-26-005542 | View |
| May 21, 2026 | 8-K | May 20, 2026 | 0001628280-26-037338 | View |
| May 18, 2026 | 8-K | May 15, 2026 | 0001628280-26-036006 | View |
| May 15, 2026 | SCHEDULE 13G/A | — | 0000080255-26-000430 | View |
| May 05, 2026 | 8-K | May 05, 2026 | 0001628280-26-030137 | View |
| Apr 30, 2026 | SCHEDULE 13G | — | 0002100119-26-000701 | View |