CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2014 | 189,813 | $2,631 | — | — |
| Q3 2014 | 185,419 | $2,453 | — | — |
| Q2 2014 | 183,529 | $2,283 | — | — |
| Q1 2014 | 178,247 | $2,014 | — | — |
| Q4 2013 | 177,729 | $2,163 | — | — |
| Q3 2013 | 175,635 | $1,807 | — | — |
| Q2 2013 | 168,077 | $1,524 | — | — |