CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 37,300 | $1,846 | — | — |
| Q4 2014 | 62,300 | $3,286 | — | — |
| Q3 2014 | 67,300 | $2,894 | — | — |
| Q2 2014 | 122,200 | $5,734 | — | — |
| Q1 2014 | 127,200 | $5,921 | — | — |
| Q4 2013 | 117,200 | $4,845 | — | — |
| Q3 2013 | 117,200 | $4,733 | — | — |
| Q2 2013 | 117,900 | $4,833 | — | — |