Officer Sale of Alkermes plc Ordinary Shares

Christopher I. Wright, a director at Alkermes plc, sold 2,000 ordinary shares on June 12, 2026, at a price of $45.10 per share. This transaction was part of a pre-arranged Rule 10b5-1 trading plan. Following the sale, Mr. Wright owns 25,680 ordinary shares. The filing is a Form 4, indicating a change in beneficial ownership.