CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 23,788 | $175 | — | — |
| Q4 2016 | 29,759 | $260 | — | — |
| Q3 2016 | 25,348 | $257 | — | — |
| Q2 2016 | 28,043 | $266 | — | — |
| Q1 2016 | 19,570 | $218 | — | — |
| Q4 2015 | 19,611 | $208 | — | — |
| Q3 2015 | 15,016 | $146 | — | — |
| Q2 2015 | 23,232 | $247 | — | — |
| Q1 2015 | 41,348 | $531 | — | — |
| Q4 2014 | 36,256 | $503 | — | — |
| Q3 2014 | 31,395 | $415 | — | — |
| Q2 2014 | 31,859 | $396 | — | — |
| Q1 2014 | 33,108 | $374 | — | — |
| Q4 2013 | 29,418 | $358 | — | — |
| Q3 2013 | 27,750 | $286 | — | — |
| Q2 2013 | 27,035 | $245 | — | — |