Knife River KNF SEC Filings

NYSE KNF
$58.99 +2.58 (+4.58%)
As of: Nov 9, 2026 · 3:59 PM EST
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Knife River Corp (KNF) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
110-QQuarterly & Annual Report0001628280-26-069576Nov 3, 2026 4:32 PM
28-KCurrent Report0001628280-26-069132Nov 3, 2026 1:32 PM
3SCHEDULE 13GBeneficial Ownership Report0000080255-26-000610Oct 7, 2026 10:56 PM
44Insider Transaction0001225208-26-008063Oct 1, 2026 12:54 AM
58-KCurrent Report0001628280-26-063145Sep 23, 2026 12:03 PM
6SCHEDULE 13GBeneficial Ownership Report0000080255-26-000583Aug 14, 2026 2:38 PM
7SCHEDULE 13GBeneficial Ownership Report0001422849-26-000145Aug 12, 2026 9:40 PM
810-QQuarterly & Annual Report0001628280-26-052748Aug 4, 2026 9:28 PM
98-KCurrent Report0001628280-26-052184Aug 4, 2026 12:40 PM
10SCHEDULE 13GBeneficial Ownership Report0002100121-26-000876Jul 31, 2026 3:19 PM
114Insider Transaction0001225208-26-006292Jul 1, 2026 9:20 PM
1211-KOthers0001628280-26-043977Jun 17, 2026 8:51 PM
134Insider Transaction0001225208-26-005542May 21, 2026 9:14 PM
144Insider Transaction0001225208-26-005541May 21, 2026 9:13 PM
154Insider Transaction0001225208-26-005540May 21, 2026 9:13 PM
164Insider Transaction0001225208-26-005539May 21, 2026 9:12 PM
174Insider Transaction0001225208-26-005538May 21, 2026 9:11 PM
184Insider Transaction0001225208-26-005537May 21, 2026 9:10 PM
193Insider Transaction0001225208-26-005536May 21, 2026 9:00 PM
208-KCurrent Report0001628280-26-037338May 21, 2026 8:37 PM
218-KCurrent Report0001628280-26-036006May 18, 2026 8:45 PM
22SCHEDULE 13GBeneficial Ownership Report0000080255-26-000430May 15, 2026 2:07 PM
2310-QQuarterly & Annual Report0001628280-26-030688May 5, 2026 8:48 PM
248-KCurrent Report0001628280-26-030137May 5, 2026 11:52 AM
25SCHEDULE 13GBeneficial Ownership Report0002100119-26-000701Apr 30, 2026 3:04 PM
26ARSOthers0001628280-26-023786Apr 6, 2026 12:05 PM
27DEFA14AOthers0001628280-26-023785Apr 6, 2026 12:02 PM
28DEF 14AOthers0001628280-26-023783Apr 6, 2026 11:59 AM
294Insider Transaction0001225208-26-004138Apr 1, 2026 9:41 PM
30SCHEDULE 13GBeneficial Ownership Report0000102909-26-001683Mar 27, 2026 2:20 PM
314Insider Transaction0001225208-26-003419Mar 9, 2026 8:44 PM
324Insider Transaction0001225208-26-003295Mar 5, 2026 9:49 PM
334Insider Transaction0001225208-26-003294Mar 5, 2026 9:49 PM
344Insider Transaction0001225208-26-003293Mar 5, 2026 9:48 PM
354Insider Transaction0001225208-26-003292Mar 5, 2026 9:47 PM
364Insider Transaction0001225208-26-003291Mar 5, 2026 9:46 PM
374Insider Transaction0001225208-26-003290Mar 5, 2026 9:45 PM
3810-KQuarterly & Annual Report0001955520-26-000003Feb 20, 2026 1:00 PM
394Insider Transaction0001225208-26-001964Feb 17, 2026 9:38 PM
404Insider Transaction0001225208-26-001963Feb 17, 2026 9:32 PM
414Insider Transaction0001225208-26-001962Feb 17, 2026 9:31 PM
424Insider Transaction0001225208-26-001960Feb 17, 2026 9:27 PM
434Insider Transaction0001225208-26-001959Feb 17, 2026 9:23 PM
444Insider Transaction0001225208-26-001958Feb 17, 2026 9:21 PM
458-KCurrent Report0001628280-26-008306Feb 17, 2026 12:05 PM
46SCHEDULE 13GBeneficial Ownership Report0000080255-25-000846Nov 14, 2025 5:19 PM
4710-QQuarterly & Annual Report0001955520-25-000069Nov 5, 2025 10:34 PM
488-KCurrent Report0001955520-25-000065Nov 4, 2025 12:59 PM
49SCHEDULE 13GBeneficial Ownership Report0000080255-25-000611Aug 14, 2025 5:07 PM
5010-QQuarterly & Annual Report0001955520-25-000060Aug 5, 2025 8:37 PM

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