CUSIP: 98310W108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2020 | 18,719 | $839,734 | — | — |
| Q3 2020 | 19,600 | $602,896 | — | — |
| Q2 2020 | 3,200 | $90,176 | — | — |
| Q1 2020 | 4,000 | $86,800 | — | — |
| Q4 2019 | 4,000 | $206,760 | — | — |
| Q1 2019 | 12,632 | $511,470 | — | — |
| Q1 2018 | 6,074 | $695,048 | — | — |
| Q4 2017 | 6,074 | $703,794 | — | — |
| Q3 2017 | 6,074 | $640,260 | — | — |
| Q2 2017 | 6,439 | $646,540 | — | — |
| Q1 2017 | 6,439 | $542,743 | — | — |
| Q4 2016 | 6,907 | $555,528 | — | — |
| Q3 2016 | 6,439 | $433,537 | — | — |
| Q2 2016 | 26,388 | $1,750,963 | — | — |
| Q1 2016 | 8,453 | $646,063 | — | — |
| Q4 2015 | 8,323 | $604,666 | — | — |
| Q3 2015 | 58,114 | $4,178,397 | — | — |
| Q2 2015 | 53,975 | $4,421,092 | — | — |
| Q1 2015 | 61,231 | $5,718,473 | — | — |
| Q4 2014 | 11,198 | $960,340 | — | — |
| Q3 2014 | 12,071 | $980,890 | — | — |
| Q2 2014 | 8,671 | $656,568 | — | — |
| Q1 2014 | 8,797 | $644,204 | — | — |
| Q4 2013 | 9,697 | $714,590 | — | — |
| Q3 2013 | 9,147 | $557,693 | — | — |
| Q2 2013 | 9,266 | $551,797 | — | — |