| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Great Point Partners, LLC | 4.51% | 797K | 0 | 797K | /s/ Dr. Jeffrey R. Jay, M.D | Dr. Jeffrey R. Jay, M.D - Senior Managing Member | |
| Dr. Jeffrey R. Jay, M.D. | 4.51% | 797K | 0 | 797K | /s/ Dr. Jeffrey R. Jay, M.D | Dr. Jeffrey R. Jay, M.D | |
| Ms. Lillian Nordahl | 4.51% | 797K | 0 | 797K | /s/ Ms. Lillian Nordahl | Ms. Lillian Nordahl |