CUSIP: 637071101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2014 | 236,862 | $15,522 | — | — |
| Q3 2014 | 226,070 | $17,204 | — | — |
| Q2 2014 | 226,315 | $18,637 | — | — |
| Q1 2014 | 354,182 | $27,580 | — | — |
| Q4 2013 | 359,234 | $28,570 | — | — |
| Q3 2013 | 359,608 | $28,089 | — | — |
| Q2 2013 | 365,442 | $25,179 | — | — |