X0508 4 2026-01-02 0001850119 Century Therapeutics, Inc. IPSC 0002039294 Cowan Chad C/O CENTURY THERAPEUTICS, INC. 25 N 38TH STREET, 11TH FLOOR PHILADELPHIA PA 19104 false true false false Chief Scientific Officer 0 Common Stock 2026-01-02 4 F 0 1611 0.995 D 1043476 D Common Stock 10697 I By Trust Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units. Shares held by the Cowan Investment Nominee Trust. The Reporting Person disclaims beneficial ownership except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose. /s/ Douglas Carr, Attorney-in-Fact 2026-01-06