Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 30,854 | $876 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 46,958 | $1,167 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 49,210 | $1,282 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 65,154 | $2,095 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 70,353 | $1,730 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 66,536 | $1,524 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 78,113 | $1,690 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 62,414 | $1,392 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 68,646 | $1,325 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 48,971 | $1,117 | $23.06 | $19.10 - $25.82 |
| Q1 2015 | 61,669 | $1,185 | $19.65 | $17.69 - $23.12 |
| Q4 2014 | 35,851 | $826 | $23.39 | $20.44 - $26.73 |
| Q3 2014 | 21,073 | $507 | $28.91 | $23.00 - $33.65 |
| Q2 2014 | 20,493 | $677 | $30.73 | $28.13 - $34.48 |
| Q1 2014 | 14,450 | $436 | $29.49 | $25.23 - $34.59 |
| Q4 2013 | 16,900 | $466 | $27.72 | $24.44 - $30.62 |
| Q3 2013 | 16,900 | $453 | $25.86 | $23.52 - $27.95 |
| Q2 2013 | 17,010 | $400 | $21.33 | $18.17 - $23.75 |