CUSIP: 97381W104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2013 | 3,057,629 | $23,574 | — | — |
| Q4 2012 | 3,128,013 | $25,900 | — | — |
| Q3 2012 | 4,792,571 | $48,357 | — | — |
| Q2 2012 | 6,667,067 | $64,405 | — | — |
| Q1 2012 | 5,472,624 | $64,056 | — | — |