| Date | Owner | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Bohnen Shane SVP - General Counsel | A | Restricted Stock Units | |||||
| Kelderman Kim Chief Executive Officer | A | Restricted Stock Units | |||||
| Hippel James CFO | A | Restricted Stock Units | |||||
| Herr Amy E. | A | Restricted Stock Units | |||||
| Geist William PRESIDENT, PROTEIN SCIENCES | A | Restricted Stock Units |