{"schema_version":"secwatch.filing_event.v1","accession":"0001157523-23-000452","form_type":"8-K","ticker":"AA","cik":"0001675149","company_name":"Alcoa Corp","filed_at":"2023-03-16T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.099208+00:00","generated_at":"2026-06-18T00:36:07.781326+00:00","sec_items":["2.05","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Alcoa permanently closes Intalco smelter; records $120M restructuring charge","bullets":["Permanent closure of 279K mtpy Intalco smelter (idle since 2020); charges of ~$120M pre/after-tax ($0.67/share).","Cash outlays of ~$85M over three years, ~$25M in 2023 for decommissioning and demolition.","AltaGas acquires rights to develop ~1,600 acres at the site, including transportation and utility infrastructure.","19 employees currently at the smelter; some will remain to assist with closure and redevelopment."],"urls":{"canonical":"https://secwatch.observer/filing/0001157523-23-000452","json":"https://secwatch.observer/filing/0001157523-23-000452.json","markdown":"https://secwatch.observer/filing/0001157523-23-000452.md","text":"https://secwatch.observer/filing/0001157523-23-000452.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1675149/000115752323000452/0001157523-23-000452-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1675149/000115752323000452/a53363088.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T00:36:07.781326+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":[{"claim_id":"474c32e5de36534f09b19ad176ce70279b67721d","claim":"Alcoa Corp announced a restructuring with charges of approximately $120 million affecting Intalco aluminum smelter (19 employees).","evidence_excerpt":"to prepare the site for potential redevelopment will begin immediately. The Company will record restructuring and related charges in the first quarter of 2023 of approximately $120 million (pre- and after-tax), or $0.67 per share, related to the permanent closure of the Smelter. These charges include: approximately $17 million of asset impairments; approximately","evidence_source":"SEC 8-K Item 2.05/2.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1675149/000115752323000452/0001157523-23-000452-index.htm","confidence":0.9,"family_label":"Restructurings & Charges","details":[{"label":"Type","value":"restructuring"},{"label":"Charge","value":"approximately $120 million"},{"label":"Affected area","value":"Intalco aluminum smelter"},{"label":"Headcount","value":"19 employees"}],"fact_type":"restructuring_charge"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}