CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 13,129 | $609 | — | — |
| Q4 2016 | 13,953 | $540 | — | — |
| Q3 2016 | 14,766 | $636 | — | — |
| Q2 2016 | 46,132 | $1,732 | — | — |
| Q1 2016 | 23,949 | $882 | — | — |
| Q4 2015 | 22,511 | $749 | — | — |
| Q3 2015 | 23,200 | $671 | — | — |
| Q2 2015 | 35,147 | $1,380,926 | — | — |
| Q1 2015 | 39,248 | $1,744 | — | — |
| Q4 2014 | 37,981 | $1,918,420 | — | — |
| Q3 2014 | 55,013 | $2,241,780 | — | — |
| Q2 2014 | 20,155 | $708,045 | — | — |
| Q1 2014 | 22,140 | $794,826 | — | — |
| Q4 2013 | 47,160 | $1,907,150 | — | — |
| Q3 2013 | 31,075 | $1,030,758 | — | — |