CUSIP: 934390402 Class: COMMON STOCK
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2011 | 5,074 | $254 | — | — |
| Q3 2011 | 4,668 | $215 | — | — |
| Q2 2011 | 4,536 | $237 | — | — |
| Q1 2011 | 5,699 | $326 | — | — |
| Q4 2010 | 5,252 | $289 | — | — |