AA ALCOA CORP Capital Structure Changes 8-K Filing 2025 - Debt Issuance On March 17, 2025, Alcoa's subsidiary Alumina Pty Ltd issued $1 billion in senior notes, with $500 million due in 2030 and $500 million due in 2032, under a new indenture that includes certain restrictions and covenants.Get access to all SEC 8-K filings of the ALCOA CORP