CUSIP: 98400j108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 61,652 | $604 | — | — |
| Q3 2017 | 61,888 | $610 | — | — |
| Q2 2017 | 61,856 | $604 | — | — |
| Q1 2017 | 66,523 | $591 | — | — |
| Q4 2016 | 71,402 | $546 | — | — |
| Q3 2016 | 77,820 | $472 | — | — |
| Q2 2016 | 94,989 | $546 | — | — |
| Q1 2016 | 131,172 | $855 | — | — |
| Q4 2015 | 289,656 | $1,752 | — | — |
| Q3 2015 | 358,971 | $2,254 | — | — |
| Q2 2015 | 547,476 | $4,144 | — | — |
| Q1 2015 | 691,998 | $6,152 | — | — |
| Q4 2014 | 741,252 | $6,790 | — | — |
| Q3 2014 | 781,261 | $7,649 | — | — |
| Q2 2014 | 844,698 | $7,687 | — | — |