AA ALCOA CORP Legal Disputes 8-K Filing 2025 - Regulatory Compliance On April 30, 2025, Alcoa Corporation announced that the Administrative Review Tribunal of Australia ruled in its favor regarding a tax dispute with the Australian Taxation Office, stating no additional tax is owed. This aligns with Alcoa's long-held position on the matter.Get access to all SEC 8-K filings of the ALCOA CORP