CUSIP: 934390402 Class: COMMON STOCK
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2011 | 1,854 | $92 | — | — |
| Q3 2011 | 16,399 | $755 | — | — |
| Q2 2011 | 15,374 | $803 | — | — |
| Q4 2010 | 10,520 | $579 | — | — |
| Q3 2010 | 18,550 | $948 | — | — |
| Q2 2010 | 17,734 | $640 | — | — |
| Q1 2010 | 7,074 | $337 | — | — |
| Q4 2009 | 7,074 | $298 | — | — |
| Q3 2009 | 9,155 | $401 | — | — |
| Q2 2009 | 18,035 | $584 | — | — |
| Q1 2009 | 18,035 | $432 | — | — |
| Q4 2008 | 18,035 | $354 | — | — |
| Q3 2008 | 10,215 | $462 | — | — |
| Q2 2008 | 9,155 | $403 | — | — |
| Q1 2008 | 9,155 | $361 | — | — |
| Q3 2007 | 9,155 | $357 | — | — |
| Q2 2007 | 9,155 | $360 | — | — |