CUSIP: 637071101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2014 | 32,368 | $2,121 | — | — |
| Q3 2014 | 32,606 | $2,481 | — | — |
| Q2 2014 | 30,263 | $2,492 | — | — |
| Q1 2014 | 29,683 | $2,311 | — | — |
| Q4 2013 | 29,153 | $2,319 | — | — |
| Q3 2013 | 38,935 | $3,041 | — | — |
| Q2 2013 | 27,518 | $1,896 | — | — |