| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| SUMER JACQUELYN L | Chief Legal Officer | C/O CULLINAN THERAPEUTICS, INC., ONE MAIN STREET, SUITE 1350, CAMBRIDGE | /s/ Jacquelyn Sumer | 23 Feb 2026 | 0001844824 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CGEM | Common Stock | Sale | $50,966 | -3,742 | -2.8% | $13.62 | 131,690 | 20 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Sale of shares to cover personal income tax obligations upon vesting of restricted stock units. |