CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 258,505 | $1,897 | — | — |
| Q4 2016 | 279,756 | $2,443 | — | — |
| Q3 2016 | 439,491 | $4,452 | — | — |
| Q2 2016 | 255,143 | $2,421 | — | — |
| Q1 2016 | 290,272 | $3,239 | — | — |
| Q4 2015 | 260,691 | $2,771 | — | — |
| Q3 2015 | 335,937 | $3,269 | — | — |
| Q2 2015 | 288,917 | $3,074 | — | — |
| Q1 2015 | 661,575 | $8,501 | — | — |
| Q4 2014 | 2,091,606 | $28,989 | — | — |
| Q3 2014 | 2,211,715 | $29,260 | — | — |
| Q2 2014 | 4,246,028 | $52,821 | — | — |
| Q1 2014 | 7,823,319 | $88,403 | — | — |
| Q4 2013 | 8,169,818 | $99,427 | — | — |
| Q3 2013 | 12,080,272 | $124,306 | — | — |
| Q2 2013 | 13,996,150 | $126,945 | — | — |