CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 6,077 | $239 | — | — |
| Q1 2015 | 39,416 | $1,751 | — | — |
| Q4 2014 | 74,144 | $3,745 | — | — |
| Q2 2014 | 1,040,045 | $36,537 | — | — |
| Q1 2014 | 493,195 | $17,706 | — | — |
| Q3 2013 | 560,817 | $18,602 | — | — |
| Q2 2013 | 612,437 | $15,391 | — | — |