| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Michaelson Jennifer | Chief Scientific Officer | C/O CULLINAN THERAPEUTICS, INC., ONE MAIN STREET, SUITE 1350, CAMBRIDGE | /s/ Jacquelyn Sumer, Attorney-in-Fact | 13 Feb 2026 | 0001838061 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CGEM | Common Stock | Sale | $5,004 | -416 | -0.32% | $12.03 | 128,219 | 12 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Sale of shares to cover personal income tax obligations upon vesting of restricted stock units. |