| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CSA | Director | Apr 02, 2012 | Option Exercise | $4.25 | 43,514 | 184,935 | 0 | Apr 02, 2012, 08:29 PM |
| CSA | Director | Aug 30, 2011 | Buy | $4.14 | 5,000 | 20,700 | 34,168 | Aug 31, 2011, 02:27 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CSA | Director | Apr 02, 2012 | Option Exercise | 184,935 |
| CSA | Director | Aug 30, 2011 | Buy | 20,700 |