CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 43,790 | $321 | — | — |
| Q4 2016 | 34,979 | $305 | — | — |
| Q3 2016 | 33,593 | $340 | — | — |
| Q2 2016 | 40,371 | $383 | — | — |
| Q1 2016 | 40,533 | $452 | — | — |
| Q4 2015 | 39,836 | $423 | — | — |
| Q3 2015 | 53,681 | $522 | — | — |
| Q2 2015 | 46,469 | $494 | — | — |
| Q1 2015 | 42,269 | $543 | — | — |
| Q4 2014 | 33,399 | $463 | — | — |
| Q3 2014 | 29,738 | $393 | — | — |
| Q2 2014 | 30,140 | $375 | — | — |
| Q1 2014 | 31,747 | $359 | — | — |
| Q4 2013 | 22,851 | $278 | — | — |
| Q3 2013 | 5,721 | $59 | — | — |
| Q2 2013 | 2,808 | $25 | — | — |