CUSIP: 966837106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2017 | 2,983,720 | $125,644 | — | — |
| Q1 2017 | 3,139,840 | $93,316 | — | — |
| Q4 2016 | 3,141,999 | $96,648 | — | — |
| Q3 2016 | 3,226,801 | $91,480 | — | — |
| Q2 2016 | 3,065,466 | $98,158 | — | — |
| Q1 2016 | 3,068,796 | $95,471 | — | — |
| Q4 2015 | 3,758,979 | $125,925 | — | — |
| Q3 2015 | 3,840,315 | $121,544 | — | — |
| Q2 2015 | 4,046,312 | $159,587 | — | — |
| Q1 2015 | 4,471,415 | $232,869 | — | — |
| Q4 2014 | 4,024,289 | $202,904 | — | — |
| Q3 2014 | 4,072,835 | $155,216 | — | — |
| Q2 2014 | 4,310,822 | $166,529 | — | — |
| Q1 2014 | 6,880,328 | $348,902 | — | — |
| Q4 2013 | 6,923,626 | $400,395 | — | — |
| Q3 2013 | 7,044,996 | $412,133 | — | — |
| Q2 2013 | 6,444,838 | $331,781 | — | — |