CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 6,417 | $72 | — | — |
| Q4 2015 | 6,417 | $68 | — | — |
| Q3 2015 | 18,183 | $177 | — | — |
| Q2 2015 | 18,744 | $199 | — | — |
| Q1 2015 | 22,149 | $285 | — | — |
| Q4 2014 | 22,853 | $317 | — | — |
| Q3 2014 | 19,839 | $262 | — | — |
| Q2 2014 | 23,227 | $289 | — | — |
| Q1 2014 | 26,918 | $304 | — | — |
| Q4 2013 | 27,857 | $339 | — | — |
| Q3 2013 | 29,529 | $304 | — | — |
| Q2 2013 | 35,430 | $321 | — | — |