CUSIP: 966837106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2015 | 15,200 | $509 | — | — |
| Q3 2015 | 15,500 | $491 | — | — |
| Q2 2015 | 15,500 | $611 | — | — |
| Q1 2015 | 15,500 | $807 | — | — |
| Q4 2014 | 15,500 | $782 | — | — |
| Q3 2014 | 15,500 | $591 | — | — |
| Q2 2014 | 15,700 | $606 | — | — |
| Q1 2014 | 15,400 | $781 | — | — |
| Q4 2013 | 17,200 | $995 | — | — |
| Q3 2013 | 17,200 | $1,006 | — | — |
| Q2 2013 | 17,200 | $885 | — | — |