| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| WEI-WU HE, Ph.D. | 24% | 3,735,535 | 2,130,550 | 1,604,985 | /s/ Wei-Wu He, Ph.D. | Wei-Wu He, Ph.D. | 0001542073 |
| HUIYING MEMORIAL FOUNDATION | 2.6% | 407,644 | 0 | 407,644 | /s/ Wei-Wu He, Ph.D. | Wei-Wu He, Ph.D./President | |
| EMERGING TECHNOLOGY PARTNERS, LLC | 7.1% | 1,097,341 | 0 | 1,097,341 | /s/ Wei-Wu He, Ph.D. | Wei-Wu He, Ph.D./ Managing Member | |
| ETP Global Fund L.P. | 4.9% | 753,234 | 0 | 753,234 | EMERGING TECHNOLOGY PARTNERS, LLC | General Partner | |
| ETP BIOHEALTH III FUND , L.P. | 1.9% | 300,000 | 0 | 300,000 | EMERGING TECHNOLOGY PARTNERS, LLC | General Partner | |
| HE Family GRAT | 0.6% | 100,000 | 0 | 100,000 | /s/ Wei-Wu He, Ph.D. | Wei-Wu He, Ph.D./Trustee |