CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2016 | 54,780 | $315 | — | — |
| Q2 2016 | 10,648 | $101 | — | — |
| Q3 2015 | 98,839 | $962 | — | — |
| Q2 2015 | 104,408 | $1,111 | — | — |
| Q1 2015 | 73,853 | $949 | — | — |
| Q4 2014 | 67,239 | $932 | — | — |
| Q3 2014 | 76,558 | $1,013 | — | — |
| Q1 2014 | 35,052 | $396 | — | — |
| Q4 2013 | 46,019 | $560 | — | — |
| Q3 2013 | 214,895 | $2,211 | — | — |
| Q2 2013 | 255,345 | $2,316 | — | — |