{"filing":{"accession_number":"0001193125-26-385947","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/1675149/000119312526385947/aa-20260909.htm"},"events":[{"id":32226,"run_id":29607,"accession_number":"0001193125-26-385947","anchor_item_number":"8.01","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.92,"summary":"Alcoa announced a proposed offering of $2.6 billion aggregate principal amount of senior notes due 2034 and 2036 to be issued by wholly-owned subsidiaries Alumina Pty Ltd and Alcoa Nederland Holding B.V. The proceeds are intended to fund the cash portion of the South32 acquisition of alumina and aluminium operations and provide permanent financing, with bridge financing expected to be terminated upon completion of the offering.","company_name":"Alcoa Corp","ticker":"AA","filing_date":"2026-09-09","form":"8-K","submitted_at":null,"items":[{"id":35346,"accession_number":"0001193125-26-385947","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"Alcoa disclosed information to investors in connection with a proposed offering of Notes, as stated in the opening paragraph. The filing references a preliminary offering memorandum dated September 9, 2026, and discusses the issuance of notes and related note guarantees as part of the Transactions to finance a $3.1 billion acquisition of South32's alumina and aluminium operations. This is a material debt issuance to fund the AliGroup acquisition.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-09T12:24:44.826420+00:00","company_name":"","ticker":null,"filing_date":""},{"id":35347,"accession_number":"0001193125-26-385947","item_number":"8.01","item_title":"Other Events.","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.92,"reasoning":"Alcoa announced a proposed offering of $2.6 billion aggregate principal amount of senior notes to be issued by wholly-owned subsidiaries (Alumina Pty Ltd and Alcoa Nederland Holding B.V.). The notes consist of senior notes due 2034 and 2036, representing a material creation of new direct financial obligations. The proceeds are intended to fund the cash portion of the South32 acquisition and provide permanent financing, with the company expecting to terminate bridge financing upon completion of the offering.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-09T12:24:44.826420+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":35346,"accession_number":"0001193125-26-385947","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"Alcoa disclosed information to investors in connection with a proposed offering of Notes, as stated in the opening paragraph. The filing references a preliminary offering memorandum dated September 9, 2026, and discusses the issuance of notes and related note guarantees as part of the Transactions to finance a $3.1 billion acquisition of South32's alumina and aluminium operations. This is a material debt issuance to fund the AliGroup acquisition.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-09T12:24:44.826420+00:00","company_name":"Alcoa Corp","ticker":"AA","filing_date":"2026-09-09"},{"id":35347,"accession_number":"0001193125-26-385947","item_number":"8.01","item_title":"Other Events.","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.92,"reasoning":"Alcoa announced a proposed offering of $2.6 billion aggregate principal amount of senior notes to be issued by wholly-owned subsidiaries (Alumina Pty Ltd and Alcoa Nederland Holding B.V.). The notes consist of senior notes due 2034 and 2036, representing a material creation of new direct financial obligations. The proceeds are intended to fund the cash portion of the South32 acquisition and provide permanent financing, with the company expecting to terminate bridge financing upon completion of the offering.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-09T12:24:44.826420+00:00","company_name":"Alcoa Corp","ticker":"AA","filing_date":"2026-09-09"}]}