CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 5,754,973 | $284,867 | — | — |
| Q4 2014 | 5,633,897 | $297,129 | — | — |
| Q3 2014 | 5,481,152 | $235,685 | — | — |
| Q2 2014 | 5,352,589 | $251,139 | — | — |
| Q1 2014 | 6,458,438 | $300,637 | — | — |
| Q4 2013 | 6,117,937 | $252,911 | — | — |
| Q3 2013 | 4,491,755 | $181,371 | — | — |