AA ALCOA CORP Disposals and divestitures 8-K Filing 2024 - Curtailment of Refinery Alcoa Corp approved the full curtailment of the Kwinana alumina refinery in Western Australia, resulting in restructuring charges of $180-200 million and a reduction in annual net income improvement of $70 million.Get access to all SEC 8-K filings of the ALCOA CORP