| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Suvretta Capital Management, LLC | 5.2% | 7,149,493 | 0 | 7,149,493 | /s/ Andrew Nathanson | Andrew Nathanson/General Counsel and Chief Compliance Officer | |
| Averill Master Fund, Ltd. | 4.5% | 6,251,950 | 0 | 6,251,950 | /s/ Andrew Nathanson | Andrew Nathanson/Authorized Signatory | |
| Aaron Cowen | 5.2% | 7,149,493 | 0 | 7,149,493 | /s/ Aaron Cowen | Aaron Cowen |