Knife River KNF SEC Filings

NYSE KNF
$51.19 +1.61 (+3.26%)
As of: Oct 20, 2026 · 3:59 PM EDT
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
14Insider Transaction0001225208-26-008063Oct 1, 2026 12:54 AM
28-KCurrent Report0001628280-26-063145Sep 23, 2026 8:03 AM
310-QQuarterly & Annual Report0001628280-26-052748Aug 4, 2026 9:28 PM
48-KCurrent Report0001628280-26-052184Aug 4, 2026 8:40 AM
5SCHEDULE 13GBeneficial Ownership Report0002100121-26-000876Jul 31, 2026 3:19 PM
64Insider Transaction0001225208-26-006292Jul 1, 2026 9:20 PM
711-KOthers0001628280-26-043977Jun 17, 2026 8:51 PM
84Insider Transaction0001225208-26-005542May 21, 2026 9:14 PM
94Insider Transaction0001225208-26-005541May 21, 2026 9:13 PM
104Insider Transaction0001225208-26-005540May 21, 2026 9:13 PM
114Insider Transaction0001225208-26-005539May 21, 2026 9:12 PM
124Insider Transaction0001225208-26-005538May 21, 2026 9:11 PM
134Insider Transaction0001225208-26-005537May 21, 2026 9:10 PM
143Insider Transaction0001225208-26-005536May 21, 2026 9:00 PM
158-KCurrent Report0001628280-26-037338May 21, 2026 8:37 PM
168-KCurrent Report0001628280-26-036006May 18, 2026 4:45 PM
17SCHEDULE 13GBeneficial Ownership Report0000080255-26-000430May 15, 2026 2:07 PM
1810-QQuarterly & Annual Report0001628280-26-030688May 5, 2026 8:48 PM
1910-QQuarterly & Annual Report0001628280-26-030688May 5, 2026 8:48 PM
2010-QQuarterly & Annual Report0001628280-26-030688May 5, 2026 8:48 PM
218-KCurrent Report0001628280-26-030137May 5, 2026 11:52 AM
228-KCurrent Report0001628280-26-030137May 5, 2026 11:52 AM
238-KCurrent Report0001628280-26-030137May 5, 2026 7:52 AM
24SCHEDULE 13GBeneficial Ownership Report0002100119-26-000701Apr 30, 2026 11:04 AM
25ARSOthers0001628280-26-023786Apr 6, 2026 12:05 PM
26DEFA14AOthers0001628280-26-023785Apr 6, 2026 12:02 PM
27DEF 14AOthers0001628280-26-023783Apr 6, 2026 11:59 AM
284Insider Transaction0001225208-26-004138Apr 1, 2026 9:41 PM
294Insider Transaction0001225208-26-004138Apr 1, 2026 9:41 PM
304Insider Transaction0001225208-26-004138Apr 1, 2026 9:41 PM
31SCHEDULE 13GBeneficial Ownership Report0000102909-26-001683Mar 27, 2026 2:20 PM
324Insider Transaction0001225208-26-003419Mar 9, 2026 8:44 PM
334Insider Transaction0001225208-26-003419Mar 9, 2026 8:44 PM
344Insider Transaction0001225208-26-003419Mar 9, 2026 8:44 PM
354Insider Transaction0001225208-26-003295Mar 5, 2026 9:49 PM
364Insider Transaction0001225208-26-003295Mar 5, 2026 9:49 PM
374Insider Transaction0001225208-26-003295Mar 5, 2026 9:49 PM
384Insider Transaction0001225208-26-003294Mar 5, 2026 9:49 PM
394Insider Transaction0001225208-26-003294Mar 5, 2026 9:49 PM
404Insider Transaction0001225208-26-003294Mar 5, 2026 9:49 PM
414Insider Transaction0001225208-26-003293Mar 5, 2026 9:48 PM
424Insider Transaction0001225208-26-003293Mar 5, 2026 9:48 PM
434Insider Transaction0001225208-26-003293Mar 5, 2026 9:48 PM
444Insider Transaction0001225208-26-003292Mar 5, 2026 9:47 PM
454Insider Transaction0001225208-26-003292Mar 5, 2026 9:47 PM
464Insider Transaction0001225208-26-003292Mar 5, 2026 9:47 PM
474Insider Transaction0001225208-26-003291Mar 5, 2026 9:46 PM
484Insider Transaction0001225208-26-003291Mar 5, 2026 9:46 PM
494Insider Transaction0001225208-26-003291Mar 5, 2026 9:46 PM
504Insider Transaction0001225208-26-003290Mar 5, 2026 9:45 PM
...

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