{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-003796","form_type":"8-K","ticker":"KALU","cik":"0000811596","company_name":"KAISER ALUMINUM CORP","filed_at":"2023-02-22T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.152401+00:00","generated_at":"2026-06-19T05:59:00.162688+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Kaiser Aluminum reports Q4 net loss $26M, full-year net loss $30M; adjusted EBITDA down 23% YoY","bullets":["Q4 net loss $26M ($1.66 loss per diluted share); adjusted net loss $7M ($0.45 loss per share).","Full-year net loss $30M ($1.86 loss per diluted share); adjusted net loss $2M ($0.14 loss per share).","Q4 adjusted EBITDA $30M (8.4% margin) vs $49M (15.5% margin) in prior year; full-year adjusted EBITDA $142M (10.3% margin) vs $185M (16.6% margin).","Conversion revenue Q4 $356M (+13% YoY); full-year $1.4B (+24% YoY) but impacted by change in alloyed metal cost presentation.","2023 outlook: Q1 adjusted EBITDA margin expected to improve ~200 bps from Q4; capex $170-190M; no full-year EBITDA guidance."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-003796","json":"https://secwatch.observer/filing/0000950170-23-003796.json","markdown":"https://secwatch.observer/filing/0000950170-23-003796.md","text":"https://secwatch.observer/filing/0000950170-23-003796.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/811596/000095017023003796/0000950170-23-003796-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/811596/000095017023003796/kalu-20230222.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T05:59:00.162688+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":"38122bf42e8b29f8ccbf5737e52401da0c0be455","claim":"KAISER ALUMINUM CORP reported the quarter ended December 31, 2022 results: revenue $776 Million, net income $26 Million, EPS $1.66.","evidence_excerpt":"Fourth Quarter 2022 Highlights: o Net Sales $776 Million; Conversion Revenue $356 Million o Net Loss $26 Million; Net Loss per Diluted Share $1.66 o Adjusted Net Loss $7 Million; Adjusted Loss per Diluted Share $0.45 o Adjusted EBITDA $30 Million; Adjusted EBITDA Margin 8.4%","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/811596/000095017023003796/0000950170-23-003796-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the quarter ended December 31, 2022"},{"label":"Revenue","value":"$776 Million"},{"label":"Net income","value":"$26 Million"},{"label":"EPS","value":"$1.66"},{"label":"Result","value":"preliminary results"}],"fact_type":"earnings_release"},{"claim_id":"99a0eae1206a62c92225fd707a26d474e1fe7e37","claim":"KAISER ALUMINUM CORP reported the year ended December 31, 2022 results: revenue $3.4 Billion, net income $30 Million, EPS $1.86.","evidence_excerpt":"Full Year 2022 Highlights: o Net Sales $3.4 Billion; Conversion Revenue $1.4 Billion o Net Loss $30 Million; Net Loss per Diluted Share $1.86 o Adjusted Net Loss $2 Million; Adjusted Loss per Diluted Share $0.14 o Adjusted EBITDA $142 Million; Adjusted EBITDA Margin 10.3%","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/811596/000095017023003796/0000950170-23-003796-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the year ended December 31, 2022"},{"label":"Revenue","value":"$3.4 Billion"},{"label":"Net income","value":"$30 Million"},{"label":"EPS","value":"$1.86"},{"label":"Result","value":"preliminary results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}