| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| RTW Investments, LP | 44% | 4,035,142 | 0 | 4,035,142 | /s/ Roderick Wong, M.D. | Roderick Wong, M.D., Managing Partner | 0001493215 |
| RTW Master Fund, Ltd. | 23% | 2,147,254 | 0 | 2,147,254 | /s/ Roderick Wong, M.D. | Roderick Wong, M.D., Director | 0001493219 |
| RTW Innovation Master Fund, Ltd. | 18% | 1,659,241 | 0 | 1,659,241 | /s/ Roderick Wong, M.D. | Roderick Wong, M.D., Director | 0001776733 |
| Roderick Wong | 44% | 4,035,142 | 0 | 4,035,142 | /s/ Roderick Wong, M.D. | Roderick Wong, M.D. | 0001493280 |