CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 30,636 | $1,422 | — | — |
| Q4 2016 | 28,195 | $1,090 | — | — |
| Q3 2016 | 26,543 | $1,144 | — | — |
| Q2 2016 | 29,323 | $1,101 | — | — |
| Q1 2016 | 28,651 | $1,055 | — | — |
| Q4 2015 | 28,158 | $937 | — | — |
| Q3 2015 | 17,840 | $516 | — | — |
| Q2 2015 | 16,435 | $646 | — | — |
| Q1 2015 | 16,624 | $739 | — | — |
| Q4 2014 | 16,833 | $850 | — | — |
| Q3 2014 | 16,186 | $660 | — | — |
| Q2 2014 | 16,623 | $584 | — | — |
| Q1 2014 | 16,936 | $608 | — | — |
| Q4 2013 | 10,610 | $429 | — | — |
| Q3 2013 | 3,231 | $107 | — | — |
| Q2 2013 | 2,242 | $56 | — | — |