CUSIP: 98886K108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2015 | 32,200 | $431 | — | — |
| Q2 2015 | 32,200 | $521 | — | — |
| Q1 2015 | 32,200 | $574 | — | — |
| Q4 2014 | 34,300 | $592 | — | — |
| Q3 2014 | 34,300 | $592 | — | — |
| Q1 2014 | 4,434 | $74 | — | — |
| Q4 2013 | 4,434 | $71 | — | — |
| Q3 2013 | 4,636 | $80 | — | — |
| Q2 2013 | 4,078 | $74 | — | — |