| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q4 | 766,563 | -327,993 |
| 2018 | Q3 | 1,094,556 | -115,902 |
| 2018 | Q2 | 1,210,458 | +200,858 |
| 2018 | Q1 | 1,009,600 | +305,600 |
| 2017 | Q4 | 704,000 | +162,491 |
| 2017 | Q3 | 541,509 | |
| 2017 | Q2 | 541,509 | |
| 2017 | Q1 | 541,509 | |
| 2016 | Q4 | 541,509 | -129,478 |
| 2016 | Q3 | 670,987 | -153,487 |
| 2016 | Q2 | 824,474 | -373,147 |
| 2016 | Q1 | 1,197,621 | -325,700 |
| 2015 | Q4 | 1,523,321 | -88,866 |
| 2015 | Q3 | 1,612,187 | +527,400 |
| 2015 | Q2 | 1,084,787 | +265,800 |
| 2015 | Q1 | 818,987 | -52,300 |
| 2014 | Q4 | 871,287 | +511,200 |
| 2014 | Q3 | 360,087 |