| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2017 | Q4 | 486,740 | |
| 2016 | Q4 | 0 | Liquidated |
| 2016 | Q3 | 518,671 | -491,484 |
| 2016 | Q2 | 1,010,155 | |
| 2015 | Q3 | 0 | Liquidated |
| 2015 | Q2 | 389,952 | |
| 2015 | Q1 | 389,952 | |
| 2014 | Q4 | 389,952 | |
| 2014 | Q3 | 389,952 | -163,249 |
| 2014 | Q2 | 553,201 | +209,824 |
| 2014 | Q1 | 343,377 | +8,695 |
| 2013 | Q4 | 334,682 | |
| 2013 | Q3 | 334,682 | +167,341 |
| 2013 | Q2 | 167,341 | +167,341 |
| 2013 | Q1 | 0 | Liquidated |
| 2012 | Q4 | 167,341 | -104,462 |
| 2012 | Q3 | 271,803 | -93,767 |
| 2012 | Q2 | 365,570 |