| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2015 | Q3 | 0 | Liquidated |
| 2015 | Q2 | 75,000 | |
| 2015 | Q1 | 75,000 | |
| 2014 | Q4 | 75,000 | |
| 2014 | Q1 | 0 | Liquidated |
| 2013 | Q4 | 75,150 | -1,559,195 |
| 2013 | Q3 | 1,634,345 | -115,000 |
| 2013 | Q2 | 1,749,345 | +1,749,345 |
| 2013 | Q1 | 0 | Liquidated |
| 2012 | Q4 | 1,612,000 | +331,000 |
| 2012 | Q3 | 1,281,000 |