CUSIP: 637138108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2015 | 3,067,700 | $36,045 | — | — |
| Q2 2015 | 5,576,600 | $62,904 | — | — |
| Q1 2015 | 7,676,600 | $82,677 | — | — |
| Q4 2014 | 8,085,562 | $85,101 | — | — |
| Q3 2014 | 11,550,494 | $112,155 | — | — |
| Q2 2014 | 13,899,194 | $147,053 | — | — |
| Q1 2014 | 13,899,194 | $145,246 | — | — |
| Q4 2013 | 14,558,494 | $164,948 | — | — |
| Q3 2013 | 14,549,220 | $146,220 | — | — |
| Q2 2013 | 14,541,935 | $147,746 | — | — |