| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| ORBIMED ADVISORS LLC | 9.4% | 4.98M | 0 | 4.98M | /s/ Carl L. Gordon | Carl L. Gordon / Member | 0001055951 |
| ORBIMED CAPITAL GP V LLC | 9.4% | 4.98M | 0 | 4.98M | /s/ Carl L. Gordon | Carl L. Gordon / Member of OrbiMed Advisors LLC | 0001615374 |