| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| SUVRETTA CAPITAL MANAGEMENT, LLC | 9.4% | 7.56M | 0 | 7.56M | By: /s/ Andrew Nathanson | Andrew Nathanson / General Counsel and Chief Compliance Officer | |
| AVERILL MASTER FUND, LTD. | 8.6% | 6.92M | 0 | 6.92M | By: /s/ Andrew Nathanson | Andrew Nathanson / Authorized Signatory | |
| AARON COWEN | 9.4% | 7.56M | 0 | 7.56M | By: /s/ Aaron Cowen | Aaron Cowen |