CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 29,246 | $214 | — | — |
| Q4 2016 | 21,362 | $186 | — | — |
| Q3 2016 | 21,754 | $220 | — | — |
| Q2 2016 | 19,832 | $188 | — | — |
| Q1 2016 | 23,455 | $262 | — | — |
| Q4 2015 | 24,310 | $259 | — | — |
| Q3 2015 | 22,103 | $215 | — | — |
| Q2 2015 | 15,972 | $170 | — | — |
| Q1 2015 | 14,718 | $189 | — | — |
| Q4 2014 | 22,713 | $315 | — | — |
| Q3 2014 | 14,650 | $194 | — | — |
| Q2 2014 | 12,898 | $160 | — | — |
| Q1 2014 | 22,376 | $253 | — | — |
| Q4 2013 | 9,500 | $116 | — | — |
| Q3 2013 | 9,750 | $100 | — | — |
| Q2 2013 | 9,797 | $89 | — | — |