CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2014 | 177,200 | $2,204 | — | — |
| Q1 2014 | 198,820 | $2,247 | — | — |
| Q4 2013 | 219,320 | $2,669 | — | — |
| Q3 2013 | 301,420 | $3,102 | — | — |
| Q2 2013 | 391,700 | $3,553 | — | — |