144 0001867899 XXXXXXXX LIVE 0001730430 Kiniksa Pharmaceuticals International, plc 001-38492 23 OLD BOND STREET, FLOOR 3 LONDON X0 WIS 4PZ 7814319100 Tessari Eben Officer Class A Ordinary Shares Charles Schwab & Co., Inc.

3000 Schwab Way Westlake TX 76262

17300 489171.00 42336227 06/16/2025 NASDAQ Class A Ordinary Shares 06/16/2025 Employee Stock Option Exercise Kiniksa Pharmaceuticals, Ltd N 6500 06/16/2025 Broker Payment for Cashless Exercise Class A Ordinary Shares 09/16/2015 Founders Shares Kiniksa Pharmaceuticals, Ltd N 5000 09/16/2015 NA Class A Ordinary Shares 09/02/2023 Restricted Stock Lapse Kiniksa Pharmaceuticals, Ltd N 1236 09/02/2023 Equity Compensation Class A Ordinary Shares 03/16/2024 Restricted Stock Lapse Kiniksa Pharmaceuticals, Ltd N 1387 03/16/2024 Equity Compensation Class A Ordinary Shares 04/01/2024 Restricted Stock Lapse Kiniksa Pharmaceuticals, Ltd N 1252 04/01/2024 Equity Compensation Class A Ordinary Shares 04/07/2024 Restricted Stock Lapse Kiniksa Pharmaceuticals, Ltd N 1925 04/07/2024 Equity Compensation N Eben Tessari

100 Hayden Avenue Lexington MA 02421

Kiniksa Pharmaceuticals International, plc 04/14/2025 12000 245852.00 Eben Tessari

100 Hayden Avenue Lexington MA 02421

Kiniksa Pharmaceuticals International, plc 05/19/2025 12000 316898.00 Eben Tessari

100 Hayden Avenue Lexington MA 02421

Kiniksa Pharmaceuticals International, plc 06/09/2025 10319 313453.00 Eben Tessari

100 Hayden Avenue Lexington MA 02421

Kiniksa Pharmaceuticals International, plc 06/10/2025 15506 472239.00 Eben Tessari

100 Hayden Avenue Lexington MA 02421

Kiniksa Pharmaceuticals International, plc 06/11/2025 45042 1374277.00 06/16/2025 04/29/2024 Eben Tessari