CUSIP: 989774104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2015 | 27,816 | $484 | — | — |
| Q2 2015 | 49,308 | $643 | — | — |
| Q1 2015 | 42,634 | $554 | — | — |
| Q4 2014 | 23,443 | $549 | — | — |
| Q3 2014 | 27,841 | $1,055 | — | — |
| Q2 2014 | 14,472 | $593 | — | — |
| Q1 2014 | 24,484 | $1,229 | — | — |