X0609 4 2026-09-29 0 0001541157 Akari Therapeutics Plc AKTX 0002049375 Gaslightwala Abizer false C/O AKARI THERAPEUTICS PLC 401 EAST JACKSON STREET, SUITE 3300 TAMPA FL 33602 1 1 0 0 CEO 0 American Depositary Shares representing Ordinary Shares 2026-09-29 4 A 0 6430 9.72 A 14107 D These American Depositary Shares represent restricted stock units ("RSUs"), with each such RSU representing the right to receive 80,000 ordinary shares with a par value of $0.000000005 per ordinary share. RSUs were granted on September 29, 2026 and vest in four approximately equal quarterly installments on November 18, 2026, February 18, 2027, May 18, 2027, and August 18, 2027, subject to continued service. The RSUs are subject to forfeiture and cancellation if the Issuer's shareholders do not approve an amendment to the Issuer's equity incentive plan increasing the number of shares reserved for issuance under the plan. /s/ Abizer Gaslightwala 2026-10-01