| Date | Owner | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Gregg Richard Chief Science Officer | D | Common Stock | |||||
| Gregg Richard Chief Science Officer | D | Employee Stock Option (Right to Buy) | |||||
| Rowland Charles a Jr | D | Stock Option (Right to Buy) | |||||
| Leonard John M | D | Stock Option (Right to Buy) | |||||
| Gunderson Robert v JR | D | Stock Option (Right to Buy) |