CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2016 | 38,200 | $333 | — | — |
| Q3 2016 | 24,000 | $243 | — | — |
| Q1 2016 | 22,300 | $249 | — | — |
| Q4 2015 | 20,600 | $219 | — | — |
| Q3 2015 | 19,500 | $190 | — | — |
| Q2 2015 | 15,800 | $168 | — | — |