CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 2,964,500 | $137,582 | — | — |
| Q4 2016 | 3,668,500 | $141,861 | — | — |
| Q3 2016 | 1,909,000 | $82,278 | — | — |
| Q2 2013 | 1,672,800 | $42,037 | — | — |