| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CHCO | Director | Nov 28, 2011 | Sale | $30.18 | 1,246 | 37,603 | 18,498 | Nov 29, 2011, 02:03 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CHCO | Director | Nov 28, 2011 | Sale | 37,603 |
| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CHCO | Director | Nov 28, 2011 | Sale | $30.18 | 1,246 | 37,603 | 18,498 | Nov 29, 2011, 02:03 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CHCO | Director | Nov 28, 2011 | Sale | 37,603 |