CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 2,515,550 | $116,747 | — | — |
| Q4 2016 | 2,523,587 | $97,587 | — | — |
| Q3 2016 | 2,515,765 | $108,429 | — | — |
| Q2 2016 | 2,503,258 | $94,022 | — | — |
| Q1 2016 | 2,492,549 | $91,751 | — | — |
| Q4 2015 | 2,400,003 | $80,088 | — | — |
| Q3 2015 | 2,456,158 | $71,008 | — | — |
| Q2 2015 | 2,385,716 | $93,735 | — | — |
| Q1 2015 | 2,381,723 | $105,832 | — | — |
| Q4 2014 | 2,405,712 | $123,221 | — | — |
| Q3 2014 | 2,308,214 | $94,060 | — | — |
| Q2 2014 | 2,360,846 | $82,937 | — | — |
| Q1 2014 | 2,481,146 | $89,073 | — | — |
| Q4 2013 | 2,868,623 | $115,319 | — | — |
| Q3 2013 | 3,049,441 | $101,150 | — | — |
| Q2 2013 | 3,100,275 | $77,910 | — | — |