| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Davis Blaine | Chief Financial Officer | C/O CARTESIAN THERAPEUTICS, INC., 7495 NEW HORIZON WAY, FREDERICK | /s/ Matthew Bartholomae, Attorney-in-Fact for Blaine Davis | 08 Jan 2026 | 0001802188 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | RNAC | Common Stock | Sale | $72,227 | -10,591 | -8% | $6.82 | 121,220 | 06 Jan 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares sold to satisfy withholding tax obligations upon the vesting of restricted stock units and to cover related broker fees. |