Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 29,872 | $1,005 | $29.70 | $25.36 - $34.47 |
| Q3 2025 | 29,885 | $836 | $25.41 | $22.48 - $28.73 |
| Q2 2025 | 29,881 | $771 | $22.21 | $16.55 - $27.54 |
| Q1 2025 | 29,886 | $657 | $25.04 | $20.01 - $29.42 |
| Q4 2024 | 29,886 | $801 | $23.22 | $18.21 - $28.20 |
| Q3 2024 | 31,148 | $595 | $19.78 | $16.52 - $22.59 |
| Q2 2024 | 29,663 | $597 | $21.72 | $17.81 - $24.97 |
| Q2 2020 | 46,666 | $293 | $5.74 | $3.96 - $8.23 |
| Q1 2020 | 74,973 | $335 | $9.28 | $2.59 - $13.00 |
| Q4 2019 | 74,927 | $919 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 72,296 | $927 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 73,004 | $1,205 | $16.22 | $14.71 - $18.54 |
| Q1 2019 | 70,261 | $1,217 | $17.65 | $15.90 - $19.02 |
| Q4 2018 | 68,894 | $1,133 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 73,050 | $1,542 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 72,782 | $1,718 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 66,696 | $1,591 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 92,505 | $2,424 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 93,106 | $2,645 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 89,885 | $2,234 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 89,306 | $2,327 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 76,789 | $2,469 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 74,113 | $1,823 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 71,789 | $1,644 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 52,690 | $1,140 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 51,689 | $1,153 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 50,276 | $971 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 47,723 | $1,090 | $23.06 | $19.10 - $25.82 |
| Q1 2015 | 62,379 | $1,199 | $19.65 | $17.69 - $23.12 |
| Q4 2014 | 39,531 | $911 | $23.39 | $20.44 - $26.73 |
| Q3 2014 | 38,738 | $933 | $28.91 | $23.00 - $33.65 |
| Q2 2014 | 38,075 | $1,259 | $30.73 | $28.13 - $34.48 |
| Q1 2014 | 38,283 | $1,154 | $29.49 | $25.23 - $34.59 |
| Q4 2013 | 43,773 | $1,207 | $27.72 | $24.44 - $30.62 |
| Q3 2013 | 42,437 | $1,150 | $25.86 | $23.52 - $27.95 |
| Q2 2013 | 47,012 | $1,150 | $21.33 | $18.17 - $23.75 |