| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q4 | 60,000 | |
| 2018 | Q3 | 60,000 | |
| 2018 | Q2 | 60,000 | |
| 2018 | Q1 | 60,000 | |
| 2017 | Q4 | 60,000 | |
| 2017 | Q3 | 60,000 | |
| 2017 | Q2 | 60,000 | |
| 2017 | Q1 | 60,000 | |
| 2016 | Q4 | 60,000 | -2,884,130 |
| 2016 | Q3 | 2,944,130 | -2,652,308 |
| 2016 | Q2 | 5,596,438 | -4,112,316 |
| 2016 | Q1 | 9,708,754 | -3,664,237 |
| 2015 | Q4 | 13,372,991 | -687,285 |
| 2015 | Q3 | 14,060,276 | -66,600 |
| 2015 | Q2 | 14,126,876 | -46,060,361 |
| 2015 | Q1 | 60,187,237 | +10,426,336 |
| 2014 | Q4 | 49,760,901 | -14,769,955 |
| 2014 | Q3 | 64,530,856 |