CUSIP: 983772104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 45,600 | $746 | — | — |
| Q1 2015 | 124,057 | $2,192 | — | — |
| Q4 2014 | 95,165 | $1,733 | — | — |
| Q3 2014 | 139,316 | $1,562 | — | — |
| Q2 2014 | 73,396 | $897 | — | — |
| Q4 2013 | 21,500 | $319 | — | — |
| Q3 2013 | 21,500 | $278 | — | — |
| Q2 2013 | 30,208 | $338 | — | — |