CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 14,397 | $566 | — | — |
| Q1 2015 | 25,342 | $1,126 | — | — |
| Q4 2014 | 25,442 | $1,285 | — | — |
| Q3 2014 | 29,647 | $1,208 | — | — |
| Q2 2014 | 25,517 | $896 | — | — |
| Q1 2014 | 24,253 | $871 | — | — |
| Q4 2013 | 22,432 | $907 | — | — |
| Q3 2013 | 22,432 | $744 | — | — |
| Q2 2013 | 20,432 | $513 | — | — |