| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| CVA | SR VP and Chief Acctg Officer | Mar 17, 2014 | Option Exercise | $17.26 | 2,140 | 36,936 | 44,335 | Mar 18, 2014, 05:08 PM |
| CVA | SR VP and Chief Acctg Officer | Mar 18, 2013 | Option Exercise | $19.88 | 3,714 | 73,834 | 42,760 | Mar 19, 2013, 04:23 PM |
| CVA | VP and Chief Acctg Officer | Mar 17, 2012 | Option Exercise | $16.42 | 3,419 | 56,140 | 43,216 | Mar 20, 2012, 05:49 PM |
| CVA | VP and Chief Acctg Officer | Mar 17, 2011 | Option Exercise | $16.84 | 3,022 | 50,890 | 39,218 | Mar 21, 2011, 09:11 PM |
| CVA | VP and Chief Acctg Officer | Jul 20, 2010 | Option Exercise | $15.43 | 1,918 | 29,595 | 35,032 | Nov 12, 2010, 05:52 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| CVA | SR VP and Chief Acctg Officer | Mar 17, 2014 | Option Exercise | 36,936 |
| CVA | SR VP and Chief Acctg Officer | Mar 18, 2013 | Option Exercise | 73,834 |
| CVA | VP and Chief Acctg Officer | Mar 17, 2012 | Option Exercise | 56,140 |
| CVA | VP and Chief Acctg Officer | Mar 17, 2011 | Option Exercise | 50,890 |
| CVA | VP and Chief Acctg Officer | Jul 20, 2010 | Option Exercise | 29,595 |