| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Commodore Capital LP | 9.9% | 4.52M | 0 | 4.52M | /s/ Michael Kramarz | Managing Partner | |
| Commodore Capital Master LP | 9.9% | 4.52M | 0 | 4.52M | /s/ Michael Kramarz | Authorized Signatory | |
| Robert Egen Atkinson | 9.9% | 4.52M | 0 | 4.52M | /s/ Robert Egen Atkinson | Authorized Signatory | |
| Michael Kramarz | 9.9% | 4.52M | 0 | 4.52M | /s/ Michael Kramarz | Authorized Signatory |