| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2020 | Q4 | 1,100,000 | -25,000 |
| 2020 | Q3 | 1,125,000 | +275,000 |
| 2020 | Q2 | 850,000 | |
| 2018 | Q3 | 0 | Liquidated |
| 2018 | Q2 | 3,000,000 | -1,000,000 |
| 2018 | Q1 | 4,000,000 | +600,000 |
| 2017 | Q4 | 3,400,000 | |
| 2017 | Q3 | 3,400,000 | -100,000 |
| 2017 | Q2 | 3,500,000 | +500,000 |
| 2017 | Q1 | 3,000,000 | -500,000 |
| 2016 | Q4 | 3,500,000 | -1,950,000 |
| 2016 | Q3 | 5,450,000 | +1,700,000 |
| 2016 | Q2 | 3,750,000 |