CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 10,201 | $108 | — | — |
| Q1 2015 | 17,640 | $226 | — | — |
| Q4 2014 | 21,486 | $298 | — | — |
| Q3 2014 | 93,143 | $1,233 | — | — |
| Q2 2014 | 104,658 | $1,302 | — | — |
| Q1 2014 | 114,367 | $1,292 | — | — |
| Q4 2013 | 120,567 | $1,467 | — | — |
| Q3 2013 | 123,117 | $1,267 | — | — |
| Q2 2013 | 138,222 | $1,254 | — | — |