CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 11,704,289 | $85,909 | — | — |
| Q4 2016 | 11,412,489 | $99,631 | — | — |
| Q3 2016 | 4,526,789 | $45,856 | — | — |
| Q2 2016 | 1,373,889 | $13,038 | — | — |