CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 28,656 | $1,294 | — | — |
| Q1 2015 | 78,470 | $3,884 | — | — |
| Q4 2014 | 68,745 | $3,625 | — | — |
| Q3 2014 | 60,139 | $2,585 | — | — |
| Q2 2014 | 53,222 | $2,497 | — | — |
| Q1 2014 | 73,012 | $3,399 | — | — |