CUSIP: 983772104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 18,126 | $357 | — | — |
| Q2 2017 | 18,904 | $333 | — | — |
| Q1 2017 | 17,508 | $301 | — | — |
| Q4 2016 | 21,501 | $418 | — | — |
| Q3 2016 | 22,316 | $431 | — | — |
| Q2 2016 | 22,716 | $396 | — | — |
| Q1 2016 | 24,339 | $391 | — | — |
| Q4 2015 | 27,205 | $437 | — | — |
| Q3 2015 | 28,333 | $400 | — | — |
| Q2 2015 | 28,333 | $463 | — | — |
| Q1 2015 | 30,896 | $546 | — | — |
| Q4 2014 | 78,829 | $1,435 | — | — |
| Q3 2014 | 74,030 | $830 | — | — |
| Q2 2014 | 74,332 | $908 | — | — |
| Q1 2014 | 75,751 | $768 | — | — |
| Q4 2013 | 83,418 | $1,240 | — | — |
| Q3 2013 | 65,889 | $851 | — | — |
| Q2 2013 | 27,384 | $307 | — | — |