| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Perceptive Advisors LLC | 11% | 184,760 | 0 | 184,760 | /s/ Joseph Edelman | Joseph Edelman, Managing Member | 0001224962 |
| Joseph Edelman | 11% | 184,760 | 0 | 184,760 | /s/ Joseph Edelman | Joseph Edelman | 0001164426 |
| Perceptive Life Sciences Master Fund, Ltd. | 10% | 166,101 | 0 | 166,101 | /s/ Joseph Edelman | Joseph Edelman, Managing Member | 0001249675 |
| Perceptive LS (A), LLC | 1.1% | 18,659 | 0 | 18,659 | Perceptive LS GP, LLC | Joseph Edelman, Member | 0001797811 |