CUSIP: 984305102 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2016 | 11,218 | $384 | — | — |
| Q4 2015 | 21,849 | $550 | — | — |
| Q4 2014 | 11,742 | $231 | — | — |
| Q3 2014 | 12,042 | $219 | — | — |
| Q2 2014 | 33,945 | $640 | — | — |
| Q1 2014 | 37,904 | $812 | — | — |
| Q4 2013 | 28,745 | $490 | — | — |
| Q3 2013 | 18,345 | $316 | — | — |