CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 18,600 | $137 | — | — |
| Q4 2016 | 16,200 | $140 | — | — |
| Q3 2016 | 16,400 | $164 | — | — |
| Q2 2016 | 20,000 | $189 | — | — |
| Q1 2016 | 17,525 | $196 | — | — |
| Q4 2015 | 19,477 | $205 | — | — |
| Q3 2015 | 19,967 | $196 | — | — |