| Date | Owner | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Zhang Tao L. | D | Common Stock | |||||
| Samek Edward L | D | Common Stock | |||||
| Rosow Christianna S Principal Accounting Officer | D | Common Stock | |||||
| Rosow Christianna S Principal Accounting Officer | D | Restricted Stock Units | |||||
| Rosow Christianna S Principal Accounting Officer | D | Stock Option (right to buy) |