| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| SUVRETTA CAPITAL MANAGEMENT, LLC | 7.4% | 822K | 0 | 822K | By: /s/ Andrew Nathanson | Andrew Nathanson, General Counsel and Chief Compliance Officer | |
| AVERILL MASTER FUND, LTD. | 6.5% | 714K | 0 | 714K | By: /s/ Andrew Nathanson | Andrew Nathanson, Authorized Signatory | |
| AARON COWEN | 7.4% | 822K | 0 | 822K | By: /s/ Aaron Cowen | Aaron Cowen |