CUSIP: 966387102 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 12,411,624 | $67,767 | — | — |
| Q2 2017 | 10,314,229 | $56,831 | — | — |
| Q1 2017 | 12,455,948 | $117,834 | — | — |
| Q4 2016 | 21,807,649 | $262,128 | — | — |
| Q3 2016 | 20,651,187 | $180,491 | — | — |
| Q2 2016 | 26,602,997 | $246,344 | — | — |
| Q1 2016 | 24,867,139 | $198,440 | — | — |
| Q4 2015 | 7,675,368 | $72,455 | — | — |
| Q3 2015 | 7,145,542 | $109,113 | — | — |
| Q2 2015 | 7,434,204 | $249,789 | — | — |
| Q1 2015 | 7,235,516 | $223,577 | — | — |
| Q4 2014 | 5,593,095 | $184,572 | — | — |
| Q3 2014 | 5,126,155 | $397,534 | — | — |
| Q2 2014 | 5,476,831 | $439,516 | — | — |
| Q1 2014 | 4,245,014 | $294,562 | — | — |
| Q4 2013 | 3,775,304 | $233,579 | — | — |
| Q3 2013 | 3,825,977 | $228,984 | — | — |
| Q2 2013 | 2,946,909 | $135,824 | — | — |