CUSIP: 635309107 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 371,700 | $4,695 | — | — |
| Q4 2016 | 275,628 | $4,060 | — | — |
| Q3 2016 | 391,678 | $5,766 | — | — |
| Q2 2016 | 399,255 | $6,180 | — | — |
| Q1 2016 | 393,945 | $5,992 | — | — |
| Q4 2015 | 353,952 | $5,561 | — | — |
| Q3 2015 | 321,717 | $4,317 | — | — |
| Q2 2015 | 222,915 | $3,558 | — | — |
| Q1 2015 | 224,452 | $3,389 | — | — |
| Q4 2014 | 199,704 | $2,870 | — | — |