CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 70,254 | $515 | — | — |
| Q4 2016 | 86,355 | $754 | — | — |
| Q3 2016 | 83,678 | $847 | — | — |
| Q2 2016 | 98,515 | $935 | — | — |
| Q1 2016 | 100,992 | $1,127 | — | — |
| Q4 2015 | 26,716 | $284 | — | — |
| Q3 2015 | 26,352 | $256 | — | — |
| Q2 2015 | 39,805 | $424 | — | — |
| Q1 2015 | 38,858 | $499 | — | — |
| Q4 2014 | 42,052 | $583 | — | — |
| Q3 2014 | 41,690 | $552 | — | — |
| Q2 2014 | 41,205 | $512 | — | — |
| Q1 2014 | 52,360 | $592 | — | — |
| Q4 2013 | 59,026 | $718 | — | — |
| Q3 2013 | 62,507 | $643 | — | — |
| Q2 2013 | 66,607 | $604 | — | — |