{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-22-016831","form_type":"8-K","ticker":"KALU","cik":"0000811596","company_name":"KAISER ALUMINUM CORP","filed_at":"2022-04-29T23:59:59+00:00","discovered_at":"2026-05-14T18:04:03.792843+00:00","generated_at":"2026-06-26T02:56:23.836709+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Director Van Leeuwen not standing for re-election; CEO Harvey reclassified to Class I director","bullets":["Thomas M. Van Leeuwen will not stand for re-election as Class I Director at the 2022 annual meeting on June 2, 2022.","Keith A. Harvey, President and CEO, reclassified from Class II to Class I Director and nominated for election at the 2022 annual meeting.","Harvey resigned as Class II Director contingent on his election as Class I Director, effective at the annual meeting.","Reclassification balances board classes following Van Leeuwen's departure after over 15 years of service."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-22-016831","json":"https://secwatch.observer/filing/0001564590-22-016831.json","markdown":"https://secwatch.observer/filing/0001564590-22-016831.md","text":"https://secwatch.observer/filing/0001564590-22-016831.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/811596/000156459022016831/0001564590-22-016831-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/811596/000156459022016831/kalu-8k_20220426.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T02:56:23.836709+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":"f15154fd37","claim":"Thomas M. Van Leeuwen departed as Director at KAISER ALUMINUM CORP.","evidence_excerpt":"Thomas M. Van Leeuwen is not standing for re-election as a Class I Director of the Company upon the expiration of his current term, which expires at the 2022 Annual Meeting.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/811596/000156459022016831/0001564590-22-016831-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"not standing for re-election"},{"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"}