| 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 | -1,206,595 |
| 2017 | Q2 | 1,266,595 | |
| 2017 | Q1 | 1,266,595 | +16,595 |
| 2016 | Q4 | 1,250,000 | |
| 2016 | Q3 | 1,250,000 | +25,000 |
| 2016 | Q2 | 1,225,000 | |
| 2016 | Q1 | 1,225,000 | +63,260 |
| 2015 | Q4 | 1,161,740 | +136,740 |
| 2015 | Q3 | 1,025,000 | +150,000 |
| 2015 | Q2 | 875,000 | -271,700 |
| 2015 | Q1 | 1,146,700 | -1,600 |
| 2014 | Q4 | 1,148,300 | +196,300 |
| 2014 | Q3 | 952,000 |