| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q3 | 37,500 | |
| 2018 | Q2 | 37,500 | |
| 2018 | Q1 | 37,500 | |
| 2017 | Q4 | 37,500 | |
| 2017 | Q3 | 37,500 | -128,500 |
| 2017 | Q2 | 166,000 | +91,000 |
| 2017 | Q1 | 75,000 | -400,000 |
| 2016 | Q4 | 475,000 | +75,000 |
| 2016 | Q3 | 400,000 | |
| 2016 | Q2 | 400,000 | |
| 2015 | Q1 | 0 | Liquidated |
| 2014 | Q4 | 862,059 | -107,603 |
| 2014 | Q3 | 969,662 | +340,619 |
| 2014 | Q2 | 629,043 | -885,957 |
| 2014 | Q1 | 1,515,000 | +243,000 |
| 2013 | Q4 | 1,272,000 |