{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-325321","form_type":"8-K","ticker":"KALU","cik":"0000811596","company_name":"KAISER ALUMINUM CORP","filed_at":"2025-12-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:42.237591+00:00","generated_at":"2026-05-16T12:40:16.510073+00:00","sec_items":["8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Kaiser Aluminum names Barger EVP Sales & Marketing and Robb EVP Manufacturing","bullets":["Hugh (Jack) J. Barger, III appointed EVP – Sales and Marketing effective January 1, 2026, succeeding Blain A. Tiffany who is retiring.","Thomas H. Robb appointed EVP – Manufacturing on December 16, 2025; previously SVP Manufacturing and VP Finance.","Barger joined Kaiser Aluminum in June 2025 as SVP – Sales and Marketing, bringing 25+ years metals industry experience.","Robb rejoined in August 2024 and has over 20 years international aluminum and metals experience."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-325321","json":"https://secwatch.observer/filing/0001193125-25-325321.json","markdown":"https://secwatch.observer/filing/0001193125-25-325321.md","text":"https://secwatch.observer/filing/0001193125-25-325321.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/811596/000119312525325321/0001193125-25-325321-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/811596/000119312525325321/kalu-20251218.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud","generated_at":"2026-05-16T12:40:16.510073+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"}