CUSIP: 98872B104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 12,670 | $60 | — | — |
| Q1 2015 | 148,432 | $770 | — | — |
| Q4 2014 | 103,038 | $521 | — | — |
| Q3 2014 | 100,938 | $509 | — | — |
| Q2 2014 | 71,728 | $423 | — | — |
| Q1 2014 | 36,572 | $267 | — | — |
| Q4 2013 | 35,661 | $265 | — | — |
| Q3 2013 | 33,400 | $354 | — | — |