Joshua Reed's Ownership Document for Alkermes plc.

The filing is an ownership document (Form 3) for Joshua Reed, the Senior Vice President and Chief Financial Officer of Alkermes plc. The document reports that Joshua Reed owns no securities in the company as of the period of report, which is September 15, 2025. The filing includes a power of attorney executed by Shantale Greenson on behalf of Joshua Reed, dated September 23, 2025. The document is essential for compliance with SEC regulations regarding the disclosure of ownership by company officers.