<div id="readability-page-1"><div><p><span>Tessari Eben Chief Operating Officer 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>6,000</span></td><td><span>$8.83</span></td><td><span>$52,980</span></td></tr><tr><td><span>12/15/25</span></td><td><span>Planned Sale(2)</span></td><td><span>12,048</span></td><td><span>$41.56</span></td><td><span>$500,715</span></td></tr></tbody></table></div><p><span>Ending Holdings: 16,666 - Direct</span></p><div><table><tbody><tr><td><span>(1)</span></td><td><span>Exercised 3.8 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>Tessari Eben, COO of Kiniksa Pharmaceuticals Ltd, disclosed a change in ownership by filing a Form 4 with the SEC. On December 15, 2025, Tessari executed a planned exercise of 6,000 shares and a planned sale of 12,048 shares, valued at $500,715, under a prearranged trading plan (10b5-1). Ending holdings are 16,666 shares directly. The Washington Service provides insider trading analysis and data services.</p>

COO Tessari Sells 12,048 ($500.7K) Of Kiniksa Pharmaceuticals Ltd [KNSA]