CUSIP: 989774104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 9,111,582 | $118,815 | — | — |
| Q1 2015 | 10,017,782 | $130,131 | — | — |
| Q4 2014 | 8,568,169 | $200,496 | — | — |
| Q3 2014 | 5,212,329 | $197,495 | — | — |
| Q2 2014 | 2,067,442 | $84,662 | — | — |
| Q4 2013 | 367,100 | $15,209 | — | — |