CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 33,678 | $358 | — | — |
| Q1 2015 | 37,127 | $477 | — | — |
| Q4 2014 | 36,387 | $504 | — | — |
| Q3 2014 | 35,773 | $473,277 | — | — |
| Q2 2014 | 35,768 | $445 | — | — |
| Q1 2014 | 35,263 | $398 | — | — |
| Q4 2013 | 35,263 | $429 | — | — |