CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 4,963,741 | $245,705 | — | — |
| Q4 2014 | 5,117,135 | $269,877 | — | — |
| Q3 2014 | 5,162,832 | $222,002 | — | — |
| Q2 2014 | 2,884,414 | $135,337 | — | — |
| Q1 2014 | 2,870,286 | $133,612 | — | — |
| Q4 2013 | 2,861,870 | $118,310 | — | — |
| Q3 2013 | 3,306,310 | $133,508 | — | — |
| Q2 2013 | 3,336,541 | $136,765 | — | — |