CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 1,266,000 | $58,755 | — | — |
| Q4 2016 | 1,253,600 | $48,477 | — | — |
| Q3 2016 | 1,276,000 | $54,996 | — | — |
| Q2 2016 | 1,295,800 | $48,670 | — | — |
| Q1 2016 | 1,305,700 | $48,063 | — | — |
| Q4 2015 | 1,303,500 | $43,354 | — | — |
| Q3 2015 | 1,285,200 | $37,155 | — | — |
| Q2 2015 | 1,321,400 | $51,918 | — | — |
| Q1 2015 | 1,336,400 | $59,383 | — | — |
| Q4 2014 | 1,831,600 | $92,514 | — | — |
| Q3 2014 | 1,014,600 | $41,345 | — | — |
| Q2 2014 | 1,645,100 | $57,793 | — | — |
| Q1 2014 | 2,230,200 | $80,065 | — | — |
| Q4 2013 | 2,314,300 | $93,590 | — | — |
| Q3 2013 | 1,423,300 | $47,211 | — | — |
| Q2 2013 | 1,473,300 | $37,024 | — | — |
| Q1 2013 | 1,412,500 | $33,235 | — | — |