CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 6,273,229 | $46,046 | — | — |
| Q4 2016 | 6,346,519 | $55,405 | — | — |
| Q3 2016 | 6,702,412 | $67,895 | — | — |
| Q2 2016 | 6,687,772 | $63,467 | — | — |
| Q1 2016 | 6,440,236 | $71,873 | — | — |
| Q4 2015 | 6,486,430 | $68,951 | — | — |
| Q3 2015 | 6,575,600 | $63,981 | — | — |
| Q2 2015 | 6,633,636 | $70,582 | — | — |
| Q1 2015 | 5,486,408 | $70,500 | — | — |
| Q4 2014 | 5,631,556 | $78,053 | — | — |
| Q3 2014 | 5,504,771 | $72,828 | — | — |
| Q2 2014 | 5,719,642 | $71,152 | — | — |
| Q1 2014 | 6,283,770 | $71,007 | — | — |
| Q4 2013 | 6,404,080 | $77,938 | — | — |
| Q3 2013 | 7,021,534 | $72,252 | — | — |
| Q2 2013 | 6,517,156 | $59,111 | — | — |