{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-385947","form_type":"8-K","ticker":"AA","cik":"0001675149","company_name":"Alcoa Corp","filed_at":"2026-09-09T12:23:42+00:00","discovered_at":"2026-09-09T12:25:01.415758+00:00","generated_at":"2026-09-09T12:25:06.831916+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Alcoa announces $2.6B senior notes offering to fund South32 acquisition cash consideration","bullets":["$2.6B aggregate principal: $1.3B notes due 2034 (assumed 7.00%) and $1.3B due 2036 (assumed 6.75%) from subsidiaries Alumina Pty Ltd and Alcoa Nederland Holding B.V.","Proceeds plus cash on hand fund ~$3.1B cash portion of acquisition of South32's AliGroup (bauxite, alumina, aluminum assets); bridge loan commitments to be terminated.","Acquisition consideration also includes 17,008,960 Alcoa shares and contingent value right up to $750M based on alumina/aluminum prices.","Pro forma financials updated to reflect $2.6B notes and Sept 2, 2026 stock price; acquisition still subject to South32 shareholder and regulatory approvals."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-385947","json":"https://secwatch.observer/filing/0001193125-26-385947.json","markdown":"https://secwatch.observer/filing/0001193125-26-385947.md","text":"https://secwatch.observer/filing/0001193125-26-385947.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1675149/000119312526385947/0001193125-26-385947-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1675149/000119312526385947/aa-20260909.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-09T12:25:06.831916+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"}