<div id="readability-page-1"><div><p><span>Quart Barry D Director of Kiniksa Pharmaceuticals Ltd [KNSA] filed a Form 4 on December 17, 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>12/15/25</span></td><td><span>Planned Exercise(1)(2)</span></td><td><span>20,129</span></td><td><span>$10.36</span></td><td><span>$208,536</span></td></tr><tr><td><span>12/15/25</span></td><td><span>Planned Sale(2)</span></td><td><span>20,129</span></td><td><span>$41.51</span></td><td><span>$835,555</span></td></tr></tbody></table></div><p><span>Ending Holdings: 12,546 - Direct</span></p><div><table><tbody><tr><td><span>(1)</span></td><td><span>Exercised 2.2 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>

KNSA

<p>Barry D. Quart, Director of Kiniksa Pharmaceuticals Ltd, disclosed a stock transaction on December 17, 2025. He exercised and sold 20,129 shares at $41.51 each, totaling $835,555, under a prearranged trading plan. His ending holdings are 12,546 shares.</p>

Dir Quart Sells 20,129 ($835.6K) Of Kiniksa Pharmaceuticals Ltd [KNSA]