CUSIP: 966837106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2013 | 44,432 | $2,599 | — | — |
| Q2 2013 | 44,432 | $2,287 | — | — |
| Q1 2013 | 22,216 | $1,927 | — | — |
| Q4 2012 | 37,056 | $3,384 | — | — |
| Q3 2012 | 37,056 | $3,609 | — | — |
| Q2 2012 | 53,942 | $5,142 | — | — |
| Q1 2012 | 105,442 | $8,773 | — | — |
| Q4 2011 | 126,812 | $8,824 | — | — |
| Q3 2011 | 134,312 | $8,772 | — | — |
| Q2 2011 | 132,218 | $8,391 | — | — |
| Q1 2011 | 215,818 | $14,222 | — | — |
| Q4 2010 | 227,018 | $11,485 | — | — |
| Q3 2010 | 265,500 | $9,853 | — | — |
| Q2 2010 | 271,300 | $9,772 | — | — |
| Q1 2010 | 241,200 | $8,719 | — | — |
| Q4 2009 | 145,700 | $3,999 | — | — |
| Q3 2009 | 283,000 | $8,629 | — | — |