CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 45,532 | $334 | — | — |
| Q4 2016 | 16,895 | $148 | — | — |
| Q3 2016 | 21,243 | $215 | — | — |
| Q2 2016 | 21,138 | $201 | — | — |
| Q1 2016 | 20,488 | $229 | — | — |
| Q4 2015 | 21,565 | $229 | — | — |
| Q3 2015 | 21,906 | $213 | — | — |
| Q2 2015 | 21,973 | $234 | — | — |
| Q1 2015 | 21,816 | $280 | — | — |
| Q4 2014 | 19,444 | $269 | — | — |