CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 4,078,364 | $189,277 | — | — |
| Q4 2016 | 3,700,700 | $143,106 | — | — |
| Q3 2016 | 3,494,500 | $150,613 | — | — |
| Q2 2016 | 3,933,000 | $147,723 | — | — |
| Q1 2016 | 3,188,500 | $117,369 | — | — |