{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-063145","form_type":"8-K","ticker":"KNF","cik":"0001955520","company_name":"Knife River Corp","filed_at":"2026-09-23T12:03:36+00:00","discovered_at":"2026-09-23T12:05:04.764923+00:00","generated_at":"2026-09-23T12:05:19.506067+00:00","sec_items":["7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"low","headline":"Knife River posts Sept 2026 investor presentation; no new financials in exhibit text","bullets":["Knife River posted a September 2026 conference presentation on its IR website on Sept 23, 2026.","Presentation available at investors.kniferiver.com/events-and-presentations.","Exhibit text provided contains only the deck title, no specific financial figures or guidance.","Management may use the deck in upcoming meetings with investors and stakeholders."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-063145","json":"https://secwatch.observer/filing/0001628280-26-063145.json","markdown":"https://secwatch.observer/filing/0001628280-26-063145.md","text":"https://secwatch.observer/filing/0001628280-26-063145.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1955520/000162828026063145/0001628280-26-063145-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1955520/000162828026063145/knf-20260923.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-23T12:05:19.506067+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}