| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Pfeiffenberger Brent | President and CEO, Director | C/O CENTURY THERAPEUTICS, INC., 25 N 38TH STREET, 11TH FLOOR, PHILADELPHIA | /s/ Douglas Carr, Attorney-in-Fact | 18 Feb 2026 | 0002001162 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IPSC | Common Stock | Tax liability | $54,551 | -31,172 | -0.82% | $1.75 | 3,766,818 | 13 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units. |