| Date | Owner | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Smith Karen L. | A | Stock Option (Right to Buy) | |||||
| Twitty Christopher Chief Scientific Officer | A | Stock Option (Right to Buy) | |||||
| Twitty Christopher Chief Scientific Officer | D | Stock Option (Right to Buy) | |||||
| Jenkins Annalisa | A | Stock Option (Right to Buy) | |||||
| Charych Deborah H. | A | Stock Option (Right to Buy) |