CUSIP: 909218109 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2018 | 237,642 | $4,696 | — | — |
| Q4 2017 | 1,572,174 | $34,588 | — | — |
| Q3 2017 | 2,044,564 | $42,077 | — | — |
| Q2 2017 | 1,580,900 | $29,610 | — | — |
| Q1 2017 | 1,926,100 | $46,535 | — | — |
| Q4 2016 | 3,399,300 | $91,339 | — | — |
| Q3 2016 | 3,282,500 | $61,055 | — | — |
| Q2 2016 | 3,031,000 | $47,162 | — | — |
| Q1 2016 | 2,798,600 | $24,656 | — | — |
| Q4 2015 | 3,173,700 | $38,720 | — | — |
| Q3 2015 | 2,854,100 | $32,137 | — | — |
| Q2 2015 | 2,766,062 | $75,015 | — | — |
| Q1 2015 | 2,777,862 | $77,725 | — | — |
| Q4 2014 | 2,632,222 | $89,759 | — | — |
| Q3 2014 | 2,199,360 | $128,992 | — | — |
| Q2 2014 | 2,183,160 | $150,267 | — | — |
| Q1 2014 | 2,249,660 | $147,082 | — | — |
| Q4 2013 | 2,183,734 | $112,725 | — | — |
| Q3 2013 | 1,794,464 | $83,424 | — | — |
| Q2 2013 | 1,498,510 | $63,807 | — | — |