CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 10,526 | $77 | — | — |
| Q4 2016 | 10,526 | $61 | — | — |
| Q1 2015 | 673,463 | $8,654 | — | — |
| Q4 2014 | 631,524 | $8,753 | — | — |
| Q3 2014 | 568,003 | $7,515 | — | — |
| Q1 2014 | 403,943 | $4,565 | — | — |