CUSIP: 966837106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2017 | 510,412 | $21,493 | — | — |
| Q1 2017 | 1,454,975 | $43,243 | — | — |
| Q4 2016 | 1,694,719 | $52,129 | — | — |
| Q3 2016 | 1,898,006 | $53,807 | — | — |
| Q2 2016 | 1,573,682 | $50,390 | — | — |
| Q1 2016 | 1,186,457 | $36,911 | — | — |
| Q4 2015 | 1,205,476 | $40,384 | — | — |
| Q3 2015 | 1,047,448 | $33,152 | — | — |
| Q2 2015 | 958,691 | $37,811 | — | — |
| Q1 2015 | 1,924,732 | $100,240 | — | — |
| Q4 2014 | 3,729,233 | $188,023 | — | — |
| Q3 2014 | 5,572,725 | $212,376 | — | — |
| Q2 2014 | 11,075,983 | $427,866 | — | — |
| Q1 2014 | 13,072,512 | $662,899 | — | — |
| Q4 2013 | 14,092,328 | $814,960 | — | — |
| Q3 2013 | 13,761,283 | $805,036 | — | — |
| Q2 2013 | 14,778,772 | $760,810 | — | — |