CUSIP: 638904102 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2015 | 30,800 | $2,402 | — | — |
| Q2 2015 | 30,800 | $2,389 | — | — |
| Q1 2015 | 32,500 | $2,530 | — | — |
| Q4 2014 | 43,000 | $3,154 | — | — |
| Q3 2014 | 57,300 | $3,524 | — | — |
| Q2 2014 | 57,300 | $3,842 | — | — |
| Q1 2014 | 57,300 | $3,518 | — | — |
| Q4 2013 | 136,613 | $8,628 | — | — |
| Q3 2013 | 186,120 | $10,752 | — | — |
| Q2 2013 | 245,120 | $13,982 | — | — |