| Date | Owner | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Xie Jian President and COO | S | Common Stock | |||||
| Gao Hanlin Chief Scientific Officer | S | Common Stock | |||||
| Hsieh Ming Chief Executive Officer | F | Common Stock | |||||
| Kim Paul CFO and Treasurer | F | Common Stock | |||||
| Xie Jian President and COO | S | Common Stock |