CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 33,141 | $243 | — | — |
| Q4 2016 | 32,541 | $284 | — | — |
| Q3 2016 | 29,491 | $299 | — | — |
| Q2 2016 | 53,093 | $504 | — | — |
| Q1 2016 | 49,491 | $552 | — | — |
| Q4 2015 | 51,101 | $543 | — | — |
| Q3 2015 | 69,501 | $676 | — | — |
| Q2 2015 | 70,112 | $746 | — | — |
| Q1 2015 | 70,112 | $901 | — | — |
| Q4 2014 | 56,429 | $782 | — | — |
| Q3 2014 | 57,198 | $757 | — | — |
| Q2 2014 | 36,418 | $453 | — | — |
| Q1 2014 | 40,654 | $459 | — | — |
| Q4 2013 | 42,437 | $516 | — | — |
| Q3 2013 | 43,241 | $445 | — | — |
| Q2 2013 | 44,211 | $401 | — | — |