CUSIP: 984305102 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2016 | 22,234 | $762 | — | — |
| Q3 2016 | 34,523 | $908 | — | — |
| Q2 2016 | 516,448 | $12,958 | — | — |
| Q1 2016 | 327,902 | $7,762 | — | — |
| Q4 2015 | 19,400 | $488 | — | — |