CUSIP: 984305102 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2016 | 833 | $21,900 | — | — |
| Q2 2016 | 833 | $20,900 | — | — |
| Q1 2016 | 26,068 | $617,030 | — | — |
| Q4 2015 | 24,018 | $604,533 | — | — |
| Q3 2015 | 24,261 | $521,369 | — | — |
| Q2 2015 | 24,461 | $512,458 | — | — |
| Q1 2015 | 24,461 | $496,558 | — | — |
| Q4 2014 | 24,461 | $480,658 | — | — |
| Q3 2014 | 24,761 | $449,659 | — | — |
| Q2 2014 | 25,037 | $471,697 | — | — |
| Q1 2014 | 25,037 | $536,042 | — | — |
| Q4 2013 | 25,037 | $426,630 | — | — |
| Q3 2013 | 25,037 | $431,387 | — | — |
| Q2 2013 | 26,029 | $365,450 | — | — |