CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 70,988 | $521 | — | — |
| Q4 2016 | 63,195 | $552 | — | — |
| Q3 2016 | 53,979 | $547 | — | — |
| Q2 2016 | 42,398 | $402 | — | — |
| Q1 2016 | 36,391 | $406 | — | — |
| Q4 2015 | 28,828 | $306 | — | — |
| Q3 2015 | 26,366 | $257 | — | — |
| Q2 2015 | 16,040 | $171 | — | — |
| Q1 2015 | 15,135 | $194 | — | — |
| Q4 2014 | 19,092 | $265 | — | — |
| Q3 2014 | 37,078 | $491 | — | — |
| Q2 2014 | 37,981 | $472 | — | — |
| Q1 2014 | 41,571 | $470 | — | — |
| Q4 2013 | 54,046 | $658 | — | — |
| Q3 2013 | 29,865 | $307 | — | — |
| Q2 2013 | 16,051 | $146 | — | — |