CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2014 | 71,635 | $948 | — | — |
| Q2 2014 | 72,502 | $902 | — | — |
| Q1 2014 | 93,078 | $1,051 | — | — |
| Q4 2013 | 71,391 | $868 | — | — |
| Q3 2013 | 61,151 | $629 | — | — |