CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 10,370 | $111 | — | — |
| Q1 2015 | 10,370 | $133 | — | — |
| Q4 2014 | 10,370 | $143 | — | — |
| Q4 2013 | 15,380 | $187 | — | — |
| Q3 2013 | 20,300 | $208 | — | — |
| Q2 2013 | 22,800 | $206 | — | — |