CUSIP: 983772104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2018 | 25,080 | $803 | — | — |
| Q1 2018 | 27,360 | $568 | — | — |
| Q4 2017 | 27,360 | $505 | — | — |
| Q3 2017 | 32,280 | $635 | — | — |
| Q2 2017 | 28,780 | $507 | — | — |
| Q1 2017 | 27,690 | $477 | — | — |
| Q4 2016 | 27,690 | $538 | — | — |
| Q3 2016 | 27,490 | $531 | — | — |
| Q2 2016 | 27,400 | $478 | — | — |
| Q1 2016 | 27,220 | $437 | — | — |
| Q4 2015 | 22,990 | $370 | — | — |
| Q3 2015 | 22,880 | $323 | — | — |
| Q2 2015 | 4,610 | $75 | — | — |
| Q1 2015 | 4,500 | $80 | — | — |
| Q4 2014 | 6,300 | $115 | — | — |
| Q3 2014 | 24,500 | $275 | — | — |
| Q2 2014 | 24,200 | $295 | — | — |
| Q1 2014 | 24,200 | $245 | — | — |