CUSIP: 98919V105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 1,318,879 | $48,535 | — | — |
| Q3 2017 | 2,017,797 | $69,453 | — | — |
| Q2 2017 | 1,089,069 | $33,652 | — | — |
| Q1 2017 | 554,591 | $18,246 | — | — |
| Q4 2016 | 2,490,551 | $81,840 | — | — |
| Q3 2016 | 1,660,866 | $49,344 | — | — |