{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-386787","form_type":"8-K","ticker":"AA","cik":"0001675149","company_name":"Alcoa Corp","filed_at":"2026-09-09T23:37:29+00:00","discovered_at":"2026-09-10T10:05:00.506829+00:00","generated_at":"2026-09-10T10:05:39.445663+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":"Alcoa prices $2.6B senior notes to fund South32 acquisition cash consideration","bullets":["$1.5B of 6.625% notes due 2034 and $1.1B of 6.875% notes due 2036, issued by Alumina Pty Ltd and Alcoa Nederland Holding B.V.","Proceeds, with cash on hand, to fund ~$3.1B cash portion of South32 acquisition of bauxite, alumina, and aluminum smelter operations.","Notes expected to close September 23, 2026; guaranteed by Alcoa and certain subsidiaries.","Alcoa to terminate 364-day bridge loan facility upon completion of the offering.","Acquisition remains subject to South32 shareholder approval and regulatory clearances."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-386787","json":"https://secwatch.observer/filing/0001193125-26-386787.json","markdown":"https://secwatch.observer/filing/0001193125-26-386787.md","text":"https://secwatch.observer/filing/0001193125-26-386787.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1675149/000119312526386787/0001193125-26-386787-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1675149/000119312526386787/aa-20260909.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-10T10:05:39.445663+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"}