| Date | Owner | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Dugel Pravin See Remarks | G | Common Stock | |||||
| Dugel Pravin See Remarks | G | Common Stock | |||||
| Dugel Pravin See Remarks | S | Common Stock | |||||
| Kaiser Peter Chief Development Officer | S | Common Stock | |||||
| Heier Jeffrey S. Chief Scientific Officer | S | Common Stock |