CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 16,814 | $179 | — | — |
| Q1 2015 | 33,902 | $436 | — | — |
| Q4 2014 | 68,940 | $956 | — | — |
| Q3 2014 | 80,503 | $1,063 | — | — |
| Q2 2014 | 95,666 | $1,197 | — | — |
| Q1 2014 | 115,934 | $1,310 | — | — |
| Q4 2013 | 135,870 | $1,654 | — | — |
| Q3 2013 | 137,730 | $1,417 | — | — |
| Q2 2013 | 138,170 | $1,253 | — | — |