CUSIP: 98872B104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 82,868 | $396 | — | — |
| Q3 2017 | 142,584 | $660 | — | — |
| Q2 2017 | 72,591 | $341 | — | — |
| Q1 2017 | 78,472 | $321 | — | — |
| Q4 2016 | 80,872 | $290 | — | — |
| Q3 2016 | 101,647 | $404 | — | — |
| Q2 2016 | 110,031 | $405 | — | — |
| Q1 2016 | 36,696 | $137 | — | — |
| Q4 2015 | 33,340 | $117 | — | — |
| Q2 2015 | 24,900 | $135 | — | — |
| Q1 2015 | 13,633 | $71 | — | — |
| Q4 2014 | 20,695 | $104 | — | — |