CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 1,237,955 | $57,454 | — | — |
| Q4 2016 | 1,216,919 | $47,059 | — | — |
| Q3 2016 | 1,216,250 | $52,420 | — | — |
| Q2 2016 | 1,188,694 | $44,648 | — | — |
| Q1 2016 | 1,165,346 | $42,897 | — | — |
| Q4 2015 | 1,135,134 | $37,755 | — | — |
| Q3 2015 | 1,108,638 | $32,051 | — | — |
| Q2 2015 | 1,111,751 | $43,680 | — | — |
| Q1 2015 | 1,102,470 | $48,987 | — | — |
| Q4 2014 | 1,078,494 | $54,475 | — | — |
| Q3 2014 | 1,072,684 | $43,712 | — | — |
| Q2 2014 | 1,071,495 | $37,642 | — | — |
| Q1 2014 | 1,065,364 | $38,246 | — | — |
| Q4 2013 | 1,680,412 | $67,956 | — | — |
| Q3 2013 | 2,200,877 | $72,981 | — | — |
| Q2 2013 | 3,693,957 | $92,756 | — | — |