CUSIP: 966837106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2014 | 1,702,555 | $86,337 | — | — |
| Q4 2013 | 2,169,266 | $125,449 | — | — |
| Q3 2013 | 2,333,400 | $136,504 | — | — |
| Q2 2013 | 2,368,777 | $121,945 | — | — |