CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2013 | 179,150 | $7,244 | — | — |
| Q3 2013 | 190,850 | $6,330 | — | — |
| Q2 2013 | 194,252 | $4,881 | — | — |
| Q1 2013 | 569,552 | $13,396 | — | — |
| Q4 2012 | 665,752 | $13,242 | — | — |