{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-251791","form_type":"8-K","ticker":"KALU","cik":"0000811596","company_name":"KAISER ALUMINUM CORP","filed_at":"2025-10-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:42.236683+00:00","generated_at":"2026-05-17T02:16:51.697275+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Kaiser Aluminum prices $500M of 5.875% senior notes due 2034 to redeem 2028 notes","bullets":["$500M aggregate principal of 5.875% senior notes due 2034 priced in private transaction; closing expected Nov 5, 2025.","Net proceeds, with revolver borrowings/cash on hand, to redeem all outstanding 4.625% senior notes due 2028.","Conditional notice of redemption for 2028 notes given Oct 27, 2025; redemption set for Nov 6, 2025, subject to successful issuance.","Notes will be guaranteed by domestic subsidiaries that are borrowers or guarantors under Kaiser's revolving credit facility."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-251791","json":"https://secwatch.observer/filing/0001193125-25-251791.json","markdown":"https://secwatch.observer/filing/0001193125-25-251791.md","text":"https://secwatch.observer/filing/0001193125-25-251791.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/811596/000119312525251791/0001193125-25-251791-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/811596/000119312525251791/d68116d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T02:16:51.697275+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"}