CUSIP: 096761101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 8,600 | $678 | — | — |
| Q3 2017 | 8,100 | $628 | — | — |
| Q2 2017 | 8,000 | $575 | — | — |
| Q1 2017 | 8,100 | $525 | — | — |
| Q4 2016 | 7,900 | $420 | — | — |
| Q3 2016 | 8,700 | $333 | — | — |
| Q2 2016 | 8,800 | $334 | — | — |
| Q1 2016 | 8,800 | $411 | — | — |
| Q4 2015 | 9,200 | $357 | — | — |
| Q3 2015 | 9,900 | $429 | — | — |
| Q2 2015 | 10,500 | $536 | — | — |
| Q1 2015 | 10,400 | $481 | — | — |
| Q4 2014 | 10,600 | $543 | — | — |
| Q3 2014 | 10,900 | $516 | — | — |
| Q2 2014 | 11,500 | $576 | — | — |
| Q1 2014 | 6,600 | $330 | — | — |
| Q4 2013 | 7,500 | $379 | — | — |