CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 15,236,255 | $111,834 | — | — |
| Q4 2016 | 5,670,972 | $49,508 | — | — |
| Q3 2016 | 10,225,865 | $103,588 | — | — |
| Q2 2016 | 5,265,417 | $49,969 | — | — |
| Q4 2015 | 8,213,819 | $87,313 | — | — |
| Q3 2015 | 4,123,011 | $40,117 | — | — |
| Q2 2015 | 1,123,230 | $11,951 | — | — |