CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 32,272 | $237 | — | — |
| Q4 2016 | 20,183 | $176 | — | — |
| Q3 2016 | 17,499 | $177 | — | — |
| Q2 2016 | 17,603 | $167 | — | — |
| Q1 2016 | 16,159 | $180 | — | — |
| Q4 2015 | 15,409 | $164 | — | — |
| Q4 2013 | 35,892 | $497 | — | — |