| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Qiming U.S. Healthcare Fund II, L.P. | 3.3% | 929K | 0 | 929K | /s/ Mark McDade | By Qiming U.S. Healthcare GP II, LLC, its general partner, By Mark McDade, Managing Partner | |
| Qiming U.S. Healthcare GP II, LLC | 3.3% | 929K | 0 | 929K | /s/ Mark McDade | Mark McDade, Managing Partner | |
| Mark McDade | 3.3% | 929K | 0 | 929K | /s/ Mark McDade | Mark McDade | |
| GARY E RIESCHEL | 3.3% | 929K | 0 | 929K | /s/ Gary Rieschel | Gary Rieschel |