{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-22-023571","form_type":"8-K","ticker":"KALU","cik":"0000811596","company_name":"KAISER ALUMINUM CORP","filed_at":"2022-06-17T23:59:59+00:00","discovered_at":"2026-05-14T18:04:03.793397+00:00","generated_at":"2026-06-25T01:03:04.185546+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Director Leo Gerard resigns from Kaiser Aluminum board for health reasons","bullets":["Leo Gerard resigned from the Board effective June 15, 2022, citing personal health reasons.","Gerard was designated by the USW union as a director candidate under the designation agreement.","Kaiser Aluminum will coordinate with the USW to fill the board vacancy."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-22-023571","json":"https://secwatch.observer/filing/0001564590-22-023571.json","markdown":"https://secwatch.observer/filing/0001564590-22-023571.md","text":"https://secwatch.observer/filing/0001564590-22-023571.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/811596/000156459022023571/0001564590-22-023571-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/811596/000156459022023571/kalu-8k_20220615.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T01:03:04.185546+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":"03e5421b04","claim":"Leo Gerard resigned as Director at KAISER ALUMINUM CORP.","evidence_excerpt":"On June 15, 2022, Leo Gerard notified the board of directors (the \"Board\") of Kaiser Aluminum Corporation (the \"Company\") of his decision to resign as a director of the Company for personal health reasons.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/811596/000156459022023571/0001564590-22-023571-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}