| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2017 | Q4 | 517,688 | +10,000 |
| 2017 | Q3 | 507,688 | |
| 2017 | Q2 | 507,688 | |
| 2016 | Q3 | 0 | Liquidated |
| 2016 | Q2 | 62,500 | |
| 2014 | Q4 | 0 | Liquidated |
| 2014 | Q3 | 960,000 | |
| 2014 | Q2 | 960,000 | |
| 2012 | Q1 | 0 | Liquidated |
| 2011 | Q4 | 737,526 | -93,417 |
| 2011 | Q3 | 830,943 | +285,943 |
| 2011 | Q2 | 545,000 |