CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 47,970 | $535 | — | — |
| Q4 2014 | 110,440 | $1,531 | — | — |
| Q3 2014 | 5,036,333 | $66,631 | — | — |
| Q2 2014 | 5,947,962 | $73,993 | — | — |
| Q1 2014 | 8,633,759 | $97,561 | — | — |
| Q4 2013 | 8,490,556 | $103,330 | — | — |
| Q3 2013 | 7,798,413 | $80,246 | — | — |
| Q2 2013 | 7,585,938 | $68,804 | — | — |
| Q1 2013 | 8,500,385 | $73,103 | — | — |