CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 10,745 | $499 | — | — |
| Q4 2016 | 11,624 | $450 | — | — |
| Q3 2016 | 11,624 | $501 | — | — |
| Q2 2016 | 11,624 | $437 | — | — |
| Q4 2014 | 52,900 | $2,685 | — | — |