CUSIP: 966837106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2017 | 7,515 | $316,457 | — | — |
| Q1 2017 | 10,190 | $302,847 | — | — |
| Q4 2016 | 10,690 | $328,824 | — | — |
| Q3 2016 | 11,245 | $318,796 | — | — |
| Q2 2016 | 12,960 | $414,979 | — | — |
| Q1 2016 | 67,609 | $2,103,316 | — | — |
| Q4 2015 | 71,059 | $2,380,477 | — | — |
| Q3 2015 | 78,939 | $2,498,419 | — | — |
| Q2 2015 | 84,834 | $3,345,853 | — | — |
| Q1 2015 | 102,344 | $5,330,076 | — | — |
| Q4 2014 | 94,989 | $4,789,345 | — | — |
| Q3 2014 | 80,389 | $3,105,427 | — | — |
| Q2 2014 | 80,389 | $3,105,427 | — | — |
| Q1 2014 | 79,100 | $4,011,161 | — | — |
| Q4 2013 | 74,908 | $4,331,930 | — | — |
| Q3 2013 | 75,508 | $4,417,218 | — | — |
| Q2 2013 | 78,508 | $4,041,592 | — | — |