| Date | Owner | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Hentschel Christopher Vice President of Engineering | U | Common Stock | |||||
| Hentschel Christopher Vice President of Engineering | U | Stock Options | |||||
| Balcom Diane | U | Common Stock | |||||
| Balcom Diane | U | Stock Options | |||||
| Janjigian Albert S | U | Common Stock |