CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 44,769 | $329 | — | — |
| Q3 2015 | 34,095 | $332 | — | — |
| Q2 2015 | 33,724 | $359 | — | — |
| Q1 2015 | 34,019 | $437 | — | — |
| Q4 2014 | 31,121 | $431 | — | — |
| Q3 2014 | 31,000 | $410 | — | — |
| Q2 2014 | 30,564 | $380 | — | — |
| Q1 2014 | 29,193 | $330 | — | — |
| Q4 2013 | 24,767 | $301 | — | — |
| Q3 2013 | 24,239 | $249 | — | — |