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