CUSIP: 637138108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 548,611 | $6,189 | — | — |
| Q1 2015 | 548,611 | $5,909 | — | — |
| Q4 2014 | 548,611 | $5,775 | — | — |
| Q3 2014 | 548,611 | $5,328 | — | — |
| Q2 2014 | 479,301 | $5,072 | — | — |
| Q1 2014 | 516,701 | $5,400 | — | — |
| Q4 2013 | 510,171 | $5,781 | — | — |
| Q3 2013 | 529,451 | $5,321 | — | — |
| Q2 2013 | 529,451 | $5,380 | — | — |