Knife River Corp (KNF)

CIK 1955520 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Knife River Corp.

Recent SEC filings

FiledFormAccession number
Aug 14, 2026SCHEDULE 13G/A0000080255-26-000583
Aug 12, 2026SCHEDULE 13G0001422849-26-000145
Aug 4, 202610-Q0001628280-26-052748
Aug 4, 20268-K0001628280-26-052184
Jul 31, 2026SCHEDULE 13G0002100121-26-000876
Jul 1, 202640001225208-26-006292
Jun 17, 202611-K0001628280-26-043977
May 21, 202640001225208-26-005540
May 21, 202640001225208-26-005539
May 21, 202640001225208-26-005538
May 21, 20268-K0001628280-26-037338
May 21, 202640001225208-26-005541
May 21, 202630001225208-26-005536
May 21, 202640001225208-26-005542
May 21, 202640001225208-26-005537
May 18, 20268-K0001628280-26-036006
May 15, 2026SCHEDULE 13G/A0000080255-26-000430
May 5, 20268-K0001628280-26-030137
May 5, 202610-Q0001628280-26-030688
Apr 30, 2026SCHEDULE 13G0002100119-26-000701
Apr 6, 2026DEFA14A0001628280-26-023785
Apr 6, 2026DEF 14A0001628280-26-023783
Apr 6, 2026ARS0001628280-26-023786
Apr 1, 202640001225208-26-004138
Mar 27, 2026SCHEDULE 13G/A0000102909-26-001683