{"filing":{"accession_number":"0001193125-26-386787","cik":"0001675149","ticker":"AA","company_name":"Alcoa Corp","form":"8-K","filing_date":"2026-09-09","report_date":"2026-09-09","primary_document":"aa-20260909.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1675149/000119312526386787/aa-20260909.htm"},"events":[{"id":32452,"run_id":29815,"accession_number":"0001193125-26-386787","anchor_item_number":"8.01","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.95,"summary":"Alcoa announced the pricing of $2.6 billion in senior notes ($1.5 billion due 2034 at 6.625% and $1.1 billion due 2036 at 6.875%) to be issued by wholly-owned subsidiaries and guaranteed by Alcoa. The notes represent a new direct financial obligation created to finance the cash portion of the South32 acquisition. This is a classic debt issuance disclosure under Item 2.03 framework, disclosed here under Item 8.01.","company_name":"Alcoa Corp","ticker":"AA","filing_date":"2026-09-09","form":"8-K","submitted_at":null,"items":[{"id":35622,"accession_number":"0001193125-26-386787","item_number":"8.01","item_title":"Other Events.","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"Alcoa announced the pricing of $2.6 billion in senior notes ($1.5 billion due 2034 at 6.625% and $1.1 billion due 2036 at 6.875%) to be issued by wholly-owned subsidiaries and guaranteed by Alcoa. The notes represent a new direct financial obligation created to finance the cash portion of the South32 acquisition. This is a classic debt issuance disclosure under Item 2.03 framework, disclosed here under Item 8.01.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-10T10:03:51.535798+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":35622,"accession_number":"0001193125-26-386787","item_number":"8.01","item_title":"Other Events.","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"Alcoa announced the pricing of $2.6 billion in senior notes ($1.5 billion due 2034 at 6.625% and $1.1 billion due 2036 at 6.875%) to be issued by wholly-owned subsidiaries and guaranteed by Alcoa. The notes represent a new direct financial obligation created to finance the cash portion of the South32 acquisition. This is a classic debt issuance disclosure under Item 2.03 framework, disclosed here under Item 8.01.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-10T10:03:51.535798+00:00","company_name":"Alcoa Corp","ticker":"AA","filing_date":"2026-09-09"}]}