CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 8,571,994 | $62,919 | — | — |
| Q4 2016 | 10,919,764 | $95,330 | — | — |
| Q3 2016 | 9,951,563 | $96,284 | — | — |
| Q2 2016 | 9,323,902 | $88,483 | — | — |
| Q1 2016 | 10,742,602 | $119,888 | — | — |
| Q4 2015 | 10,791,240 | $114,711 | — | — |
| Q3 2015 | 11,290,982 | $109,861 | — | — |
| Q2 2015 | 11,079,704 | $117,888 | — | — |
| Q1 2015 | 11,346,371 | $145,801 | — | — |
| Q4 2014 | 10,680,968 | $148,038 | — | — |
| Q3 2014 | 10,765,881 | $142,433 | — | — |
| Q2 2014 | 10,765,881 | $133,927 | — | — |
| Q1 2014 | 10,765,881 | $121,654 | — | — |
| Q4 2013 | 10,997,972 | $133,846 | — | — |
| Q3 2013 | 11,287,268 | $116,146 | — | — |
| Q2 2013 | 10,945,372 | $99,274 | — | — |
| Q1 2013 | 10,945,372 | $94,131 | — | — |
| Q3 2012 | 21,747,524 | $158,993 | — | — |
| Q2 2012 | 10,806,103 | $74,887 | — | — |