| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| SUVRETTA CAPITAL MANAGEMENT, LLC | 7.5% | 9.14M | 0 | 9.14M | By: /s/ Andrew Nathanson | Andrew Nathanson / General Counsel and Chief Compliance Officer | |
| AVERILL MASTER FUND, LTD. | 6.7% | 8.09M | 0 | 8.09M | By: /s/ Andrew Nathanson | Andrew Nathanson / Authorized Signatory | |
| AARON COWEN | 7.5% | 9.14M | 0 | 9.14M | By: /s/ Aaron Cowen | Aaron Cowen |