CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 1,050 | $7,707 | — | — |
| Q4 2016 | 3,250 | $28,373 | — | — |
| Q3 2016 | 9,450 | $95,729 | — | — |
| Q2 2015 | 571,350 | $6,079,164 | — | — |
| Q1 2015 | 566,150 | $7,275,028 | — | — |
| Q4 2014 | 424,550 | $5,884,263 | — | — |
| Q3 2014 | 431,950 | $5,714,699 | — | — |
| Q2 2014 | 377,950 | $4,701,698 | — | — |
| Q1 2014 | 293,500 | $3,316,550 | — | — |
| Q4 2013 | 203,500 | $2,476,595 | — | — |
| Q3 2013 | 219,790 | $2,261,639 | — | — |
| Q2 2013 | 245,690 | $2,228,408 | — | — |