<div id="readability-page-1"><div><p><span>Hopkinson Craig C Vice President of Alkermes PLC [ALKS] filed a Form 4 on December 5, 2025 with the Securities and Exchange Commission disclosing the following changes in ownership:</span></p><div><table><tbody><tr><th><span>Date</span></th><th><span>Transaction</span></th><th><span>Shares</span></th><th><span>Price</span></th><th><span>Value</span></th></tr><tr><td><span>12/3/25</span></td><td><span>Planned Exercise(1)(2)</span></td><td><span>3,748</span></td><td><span>$19.34</span></td><td><span>$72,486</span></td></tr><tr><td><span>12/3/25</span></td><td><span>Planned Sale(2)</span></td><td><span>3,748</span></td><td><span>$30.00</span></td><td><span>$112,447</span></td></tr></tbody></table></div><p><span>Ending Holdings: 65,740 - Direct</span></p><div><table><tbody><tr><td><span>(1)</span></td><td><span>Exercised 5.2 years before expiration date.</span></td></tr><tr><td><span>(2)</span></td><td><span>Executed pursuant to a prearranged trading plan (10b5-1).</span></td></tr></tbody></table></div><p><span>For a free trial, or to learn more about our insider trading analysis and data services, please visit http://www.washingtonservice.com or contact us at (301) 913-5100 or send an email to info@washingtonservice.com.</span></p><p><span>Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data.</span></p><span> </span></div></div>

ALKS

<p>VP Hopkinson of Alkermes PLC sold 3,748 shares for $112,447, as disclosed in a Form 4 filing with the SEC. The transaction was part of a prearranged trading plan (10b5-1).</p>

VP Hopkinson Sells 3,748 ($112.4K) Of Alkermes PLC [ALKS]