CUSIP: 98974P100 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 34,831 | $152 | — | — |
| Q3 2017 | 22,199 | $109 | — | — |
| Q1 2017 | 72,592 | $349 | — | — |
| Q1 2016 | 13,389 | $52 | — | — |
| Q3 2014 | 32,239 | $111 | — | — |
| Q2 2014 | 44,304 | $152 | — | — |
| Q3 2013 | 76,763 | $376 | — | — |
| Q2 2013 | 97,690 | $413 | — | — |