CUSIP: 984305102 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2016 | 12,189 | $418 | — | — |
| Q3 2016 | 7,230 | $189 | — | — |
| Q2 2016 | 7,608 | $191 | — | — |
| Q1 2016 | 6,314 | $150 | — | — |
| Q4 2015 | 4,090 | $103 | — | — |
| Q3 2015 | 4,090 | $88 | — | — |
| Q2 2015 | 3,670 | $77 | — | — |
| Q1 2015 | 3,670 | $75 | — | — |
| Q4 2014 | 2,585 | $51 | — | — |
| Q3 2014 | 2,585 | $47 | — | — |