CUSIP: 637071101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2014 | 1,347,665 | $110,980 | — | — |
| Q1 2014 | 1,259,243 | $98,057 | — | — |
| Q4 2013 | 1,222,437 | $97,220 | — | — |
| Q3 2013 | 1,303,239 | $101,796 | — | — |
| Q2 2013 | 1,483,239 | $102,195 | — | — |
| Q1 2013 | 1,535,257 | $108,619 | — | — |