CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 25,194 | $185 | — | — |
| Q4 2016 | 31,051 | $271 | — | — |
| Q3 2016 | 17,188 | $174 | — | — |
| Q2 2016 | 13,186 | $125 | — | — |
| Q1 2016 | 30,078 | $336 | — | — |
| Q2 2015 | 13,967 | $149 | — | — |