CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 35,220 | $375 | — | — |
| Q1 2015 | 40,220 | $517 | — | — |
| Q3 2014 | 33,115 | $438 | — | — |
| Q2 2014 | 57,400 | $714 | — | — |
| Q1 2014 | 57,400 | $649 | — | — |
| Q4 2013 | 57,400 | $699 | — | — |