| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2016 | Q3 | 0 | Liquidated |
| 2016 | Q2 | 318,983 | -3,020 |
| 2016 | Q1 | 322,003 | -108,543 |
| 2015 | Q4 | 430,546 | +95,338 |
| 2015 | Q3 | 335,208 | -47,907 |
| 2015 | Q2 | 383,115 | +35,175 |
| 2015 | Q1 | 347,940 | -8,874 |
| 2014 | Q4 | 356,814 | -46,403 |
| 2014 | Q3 | 403,217 | +62,378 |
| 2014 | Q2 | 340,839 | +30,248 |
| 2014 | Q1 | 310,591 | +58,078 |
| 2013 | Q4 | 252,513 | +8,762 |
| 2013 | Q3 | 243,751 | -6,252 |
| 2013 | Q2 | 250,003 | |
| 2012 | Q2 | 0 | Liquidated |
| 2012 | Q1 | 13,174 |