CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 16,253 | $173 | — | — |
| Q1 2015 | 12,472 | $160 | — | — |
| Q4 2014 | 13,150 | $182 | — | — |
| Q3 2014 | 11,966 | $158 | — | — |
| Q2 2014 | 11,966 | $149 | — | — |
| Q4 2013 | 93,198 | $1,134 | — | — |
| Q3 2013 | 74,509 | $767 | — | — |
| Q2 2013 | 231,916 | $2,103 | — | — |