| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| SUVRETTA CAPITAL MANAGEMENT, LLC | 10.6% | 4.28M | 0 | 4.28M | /s/ Andrew Nathanson | Andrew Nathanson, General Counsel and Chief Compliance Officer | |
| Averill Master Fund, Ltd. | 10.6% | 4.28M | 0 | 4.28M | /s/ Andrew Nathanson | Andrew Nathanson, Authorized Signatory | |
| Aaron Cowen | 10.6% | 4.28M | 0 | 4.28M | /s/ Aaron Cowen | Aaron Cowen |