CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 11,230 | $82 | — | — |
| Q4 2016 | 11,230 | $98 | — | — |
| Q3 2016 | 11,230 | $114 | — | — |
| Q2 2014 | 20,050 | $249 | — | — |
| Q3 2013 | 28,040 | $289 | — | — |
| Q2 2013 | 36,480 | $333 | — | — |