CUSIP: 966244105 Class: COMMON STOCK
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2014 | 813,288 | $26,326,133 | — | — |
| Q1 2014 | 2,686,063 | $76,660,238 | — | — |
| Q4 2013 | 8,261,206 | $189,512,066 | — | — |
| Q3 2013 | 8,635,037 | $172,441,689 | — | — |
| Q2 2013 | 7,961,243 | $129,370,199 | — | — |