{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-030137","form_type":"8-K","ticker":"KNF","cik":"0001955520","company_name":"Knife River Corp","filed_at":"2026-05-05T23:59:59+00:00","discovered_at":"2026-05-14T18:02:33.316669+00:00","generated_at":"2026-05-14T23:34:43.099431+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Knife River Q1 net loss widens to $1.40/sh; revenue up 16% to $410M, backlog record $1.2B","bullets":["Revenue $410.1M (+16% YoY); net loss $79.2M vs $68.7M loss in Q1 2025.","Net loss per share $1.40 (vs $1.21 loss per share YoY); adjusted EBITDA loss $31.8M vs $38.0M loss.","First-quarter backlog reached a record $1.2 billion.","Completed three aggregates-based acquisitions during the quarter.","Adjusted EBITDA margin improved to (7.8)% from (10.7)% YoY."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-030137","json":"https://secwatch.observer/filing/0001628280-26-030137.json","markdown":"https://secwatch.observer/filing/0001628280-26-030137.md","text":"https://secwatch.observer/filing/0001628280-26-030137.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1955520/000162828026030137/0001628280-26-030137-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1955520/000162828026030137/knf-20260505.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-14T23:34:43.099431+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":[{"claim_id":"a1eb0427f63d85796f7afc700ad4414824c3e7ee","claim":"Knife River Corp reported Three Months Ended March 31, 2026 results: revenue $ 410.1, net income $ (79.2), EPS $ (1.40).","evidence_excerpt":"Three Months Ended March 31, (In millions, except per share) 2026 2025 % Change Revenue $ 410.1 $ 353.5 16 % Net loss $ (79.2) $ (68.7) (15) % Net loss margin (19.3) % (19.4) % Adjusted EBITDA $ (31.8) $ (38.0) 16 % Adjusted EBITDA margin (7.8) % (10.7) % Net loss per share $ (1.40) $ (1.21) (16) %","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1955520/000162828026030137/0001628280-26-030137-index.htm","confidence":0.99,"family_label":"Earnings Releases","details":[{"label":"Period","value":"Three Months Ended March 31, 2026"},{"label":"Revenue","value":"$ 410.1"},{"label":"Net income","value":"$ (79.2)"},{"label":"EPS","value":"$ (1.40)"},{"label":"Result","value":"reported results"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}