| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2014 | Q3 | 0 | Liquidated |
| 2014 | Q2 | 2,116,510 | -915,000 |
| 2014 | Q1 | 3,031,510 | -914,700 |
| 2013 | Q4 | 3,946,210 | -1,787,615 |
| 2013 | Q3 | 5,733,825 | -1,479,185 |
| 2013 | Q2 | 7,213,010 | -179,558 |
| 2013 | Q1 | 7,392,568 | -158,901 |
| 2012 | Q4 | 7,551,469 | -1,430,362 |
| 2012 | Q3 | 8,981,831 | |
| 2012 | Q2 | 8,981,831 | -459,905 |
| 2012 | Q1 | 9,441,736 | |
| 2011 | Q4 | 9,441,736 | -1,110,620 |
| 2011 | Q3 | 10,552,356 | -678,466 |
| 2011 | Q2 | 11,230,822 | +1,908,030 |
| 2011 | Q1 | 9,322,792 | +6,867,623 |
| 2010 | Q4 | 2,455,169 |