| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Eventide Asset Management, LLC | 6.72% | 3.15M | 3.15M | 0 | /s/ Peter J. Luiso | Peter J. Luiso, General Counsel | |
| Finny Kuruvilla, M.D., Ph. D. | 6.72% | 3.15M | 0 | 3.15M | /s/ Finny Kuruvilla, M.D., Ph. D. | Finny Kuruvilla, M.D., Ph. D. | |
| Robin C. John | 6.72% | 3.15M | 0 | 3.15M | /s/ Robin C. John | Robin C. John |