CUSIP: 983919101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2014 | 23,652 | $1,002 | — | — |
| Q2 2014 | 22,021 | $1,042 | — | — |
| Q1 2014 | 4,996 | $271 | — | — |
| Q4 2013 | 37,443 | $1,719 | — | — |
| Q3 2013 | 27,957 | $1,310 | — | — |
| Q2 2013 | 30,293 | $1,200 | — | — |