| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Foresite Capital Fund VI LP | 6.3% | 980K | 980K | 0 | /s/ James Tananbaum | James Tananbaum, Managing Member of the General Partner | |
| Foresite Capital Management VI LLC | 6.3% | 980K | 980K | 0 | /s/ James Tananbaum | James Tananbaum, Managing Member | |
| James Tananbaum | 6.3% | 980K | 980K | 0 | /s/ James Tananbaum | James Tananbaum |