CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2016 | 2,000 | $75 | — | — |
| Q1 2016 | 2,000 | $74 | — | — |
| Q4 2015 | 3,500 | $116 | — | — |
| Q2 2014 | 16,500 | $580 | — | — |
| Q1 2014 | 16,500 | $592 | — | — |
| Q4 2013 | 16,500 | $667 | — | — |