| Date | Owner | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Wilder Thomas C III President, Neurovascular Div. | D | Common Stock | |||||
| Wilder Thomas C III President and CEO | D | Common Stock | |||||
| Wilder Thomas C III President and CEO | D | Common Stock Option | |||||
| Walters Amy Vice President | D | Common Stock Option | |||||
| Wallace George B | D | Common Stock |