X0609 4 2026-09-09 0001850119 Century Therapeutics, Inc. IPSC 0001452429 Truitt Joseph false C/O CENTURY THERAPEUTICS, INC. 25 N 38TH STREET, 12TH FLOOR PHILADELPHIA PA 19104 true false false false 0 Stock Option (right to buy) 2.03 2026-09-09 4 A 0 148000 0 A 2036-09-09 Common Stock 148000 148000 D Century Therapeutics, Inc. (the "Company") issued to the Reporting Person stock options (the "Options") in connection with his appointment as a director. The Options vest in equal monthly installments over 36 months subject to the Reporting Person's continued service to the Company and are issued pursuant to the Company's 2021 Equity Incentive Plan. /s/ Douglas Carr, Attorney-in-Fact 2026-09-10