CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 146,120 | $1,878 | — | — |
| Q4 2014 | 146,930 | $2,036 | — | — |
| Q3 2014 | 152,886 | $2,023 | — | — |
| Q2 2014 | 155,175 | $1,930 | — | — |
| Q1 2014 | 149,375 | $1,688 | — | — |
| Q4 2013 | 143,205 | $1,743 | — | — |