CUSIP: 98400J108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 53,050 | $523 | — | — |
| Q2 2017 | 53,050 | $518 | — | — |
| Q1 2017 | 89,710 | $798 | — | — |
| Q4 2016 | 89,710 | $685 | — | — |
| Q1 2016 | 56,400 | $368 | — | — |
| Q4 2015 | 73,070 | $442 | — | — |
| Q3 2015 | 73,070 | $459 | — | — |