CUSIP: 98979H103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 990,434 | $515 | — | — |
| Q3 2017 | 1,265,923 | $1,042 | — | — |
| Q2 2017 | 1,217,323 | $1,716 | — | — |
| Q1 2017 | 1,008,072 | $1,916 | — | — |
| Q4 2016 | 66,158 | $52 | — | — |
| Q3 2016 | 66,358 | $50 | — | — |
| Q2 2016 | 90,685 | $120 | — | — |
| Q1 2016 | 90,685 | $208 | — | — |
| Q4 2015 | 90,685 | $202 | — | — |
| Q3 2015 | 90,580 | $359 | — | — |