| Date | Person | Title | Type | Name | Shares | Shares (Total) | Price | Code |
|---|---|---|---|---|---|---|---|---|
| 2006-12-04 | NORTH SOUND CAPITAL LLC | Sell | Common Stock, par value $0.0001 per share ("Common Stock") | -1440000.0 | 4,766,400 | $5.2 | S | |
| 2006-06-06 | NORTH SOUND CAPITAL LLC | Buy | Common Stock, par value $0.0001 per share | 3888000.0 | 6,206,400 | $4.1 | X | |
| 2006-06-06 | NORTH SOUND CAPITAL LLC | Sell | Warrants to purchase Common Stock | -3888000.0 | 0 | $0.0 | X |