| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2014 | Q4 | 0 | Liquidated |
| 2014 | Q3 | 994,482 | |
| 2014 | Q2 | 994,482 | |
| 2014 | Q1 | 994,482 | +133,500 |
| 2013 | Q4 | 860,982 | -621,381 |
| 2013 | Q3 | 1,482,363 | -798,195 |
| 2013 | Q2 | 2,280,558 | +433 |
| 2013 | Q1 | 2,280,125 | +1,978,258 |
| 2012 | Q4 | 301,867 | -15,531 |
| 2012 | Q3 | 317,398 | -610,136 |
| 2012 | Q2 | 927,534 | +927,534 |
| 2012 | Q1 | 0 | Liquidated |
| 2011 | Q4 | 6,054,593 | +1,582,298 |
| 2011 | Q3 | 4,472,295 | +3,776,058 |
| 2011 | Q2 | 696,237 | +537,834 |
| 2011 | Q1 | 158,403 |