| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2015 | Q3 | 216,883 | -678,208 |
| 2015 | Q2 | 895,091 | -97,798 |
| 2015 | Q1 | 992,889 | -142,199 |
| 2014 | Q4 | 1,135,088 | -283,221 |
| 2014 | Q3 | 1,418,309 | |
| 2014 | Q2 | 1,418,309 | |
| 2014 | Q1 | 1,418,309 | -265,206 |
| 2013 | Q4 | 1,683,515 | -156,700 |
| 2013 | Q3 | 1,840,215 | -37,500 |
| 2013 | Q2 | 1,877,715 |