CUSIP: 63110310 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2016 | 64,700 | $4,370 | — | — |
| Q1 2016 | 21,800 | $1,447 | — | — |
| Q4 2015 | 18,100 | $1,053 | — | — |
| Q4 2014 | 154,712 | $7,420 | — | — |
| Q3 2014 | 399,610 | $16,951 | — | — |
| Q4 2013 | 177,346 | $7,058 | — | — |
| Q3 2013 | 391,797 | $12,574 | — | — |
| Q2 2013 | 50,792 | $1,665 | — | — |