CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2016 | 14,145 | $123 | — | — |
| Q1 2016 | 15,088 | $168 | — | — |
| Q2 2015 | 10,938 | $116 | — | — |
| Q1 2015 | 12,538 | $161 | — | — |
| Q4 2014 | 13,938 | $193 | — | — |
| Q3 2014 | 14,138 | $187 | — | — |
| Q2 2014 | 19,038 | $237 | — | — |
| Q1 2014 | 25,838 | $292 | — | — |
| Q4 2013 | 27,254 | $332 | — | — |
| Q3 2013 | 28,713 | $295 | — | — |
| Q2 2013 | 31,381 | $285 | — | — |