CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 36,496 | $1,807 | — | — |
| Q4 2014 | 67,980 | $3,585 | — | — |
| Q3 2014 | 71,080 | $3,056 | — | — |
| Q2 2014 | 45,780 | $2,148 | — | — |
| Q1 2014 | 37,900 | $1,764 | — | — |
| Q4 2013 | 34,600 | $1,430 | — | — |
| Q3 2013 | 35,700 | $1,442 | — | — |
| Q2 2013 | 28,300 | $1,160 | — | — |