CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 132,600 | $1,704 | — | — |
| Q4 2014 | 220,800 | $3,060 | — | — |
| Q3 2014 | 219,500 | $2,904 | — | — |
| Q4 2013 | 216,800 | $2,638 | — | — |
| Q3 2013 | 246,800 | $2,540 | — | — |
| Q2 2013 | 246,800 | $2,238 | — | — |