Mark Ragosa's Stock Option Exercise and Sale Plan

Mark Ragosa, an officer at Kiniksa Pharmaceuticals International, plc, has filed a Form 144 indicating his intention to sell 20,000 Class A ordinary shares acquired through an employee stock option exercise. The options were exercised on October 28, 2025, and the shares are to be sold on the same date. The aggregate market value of the shares is $820,000. Additionally, Ragosa sold 18,889 shares on August 4, 2025, for a total of $621,259. The transactions are facilitated by Charles Schwab & Co., Inc. The filing highlights Ragosa's ongoing transactions involving Kiniksa Pharmaceuticals' securities.