CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 107,607 | $5,327 | — | — |
| Q4 2014 | 106,201 | $5,601 | — | — |
| Q3 2014 | 102,361 | $4,402 | — | — |
| Q2 2014 | 53,001 | $2,487 | — | — |
| Q1 2014 | 30,850 | $1,436 | — | — |
| Q4 2013 | 21,646 | $895 | — | — |