CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 1,804,080 | $83,727 | — | — |
| Q4 2016 | 1,812,078 | $70,073 | — | — |
| Q3 2016 | 1,856,067 | $79,996 | — | — |
| Q2 2016 | 1,815,165 | $68,178 | — | — |
| Q1 2016 | 1,822,611 | $67,090 | — | — |
| Q4 2015 | 1,771,397 | $58,917 | — | — |
| Q3 2015 | 1,810,999 | $52,356 | — | — |
| Q2 2015 | 1,781,057 | $69,978 | — | — |
| Q1 2015 | 1,755,779 | $78,018 | — | — |
| Q4 2014 | 1,781,594 | $89,988 | — | — |
| Q3 2014 | 1,755,912 | $71,553 | — | — |
| Q2 2014 | 1,874,158 | $65,839 | — | — |
| Q1 2014 | 1,876,367 | $67,362 | — | — |
| Q4 2013 | 1,908,320 | $77,172 | — | — |
| Q3 2013 | 1,997,708 | $66,264 | — | — |
| Q2 2013 | 2,010,423 | $50,522 | — | — |