Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 43,722 | $1,471 | $29.70 | $25.36 - $34.47 |
| Q3 2025 | 41,690 | $1,167 | $25.41 | $22.48 - $28.73 |
| Q2 2025 | 32,394 | $836 | $22.21 | $16.55 - $27.54 |
| Q1 2025 | 39,379 | $865 | $25.04 | $20.01 - $29.42 |
| Q4 2024 | 43,159 | $1,157 | $23.22 | $18.21 - $28.20 |
| Q3 2024 | 36,066 | $689 | $19.78 | $16.52 - $22.59 |
| Q2 2024 | 21,325 | $429 | $21.72 | $17.81 - $24.97 |
| Q1 2024 | 85,703 | $1,665 | $15.93 | $13.55 - $19.94 |
| Q4 2023 | 18,002 | $289 | $14.30 | $12.61 - $16.27 |
| Q4 2020 | 14,859 | $141 | $9.94 | $8.27 - $12.10 |
| Q3 2020 | 38,183 | $323 | $7.49 | $6.05 - $10.02 |
| Q2 2020 | 99,279 | $622 | $5.74 | $3.96 - $8.23 |
| Q1 2020 | 35,524 | $158 | $9.28 | $2.59 - $13.00 |
| Q4 2019 | 44,410 | $544 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 77,977 | $999 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 26,930 | $444 | $16.22 | $14.71 - $18.54 |
| Q3 2018 | 10,193 | $215 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 10,951 | $258 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 13,266 | $316 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 19,944 | $523 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 22,320 | $634 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 9,337 | $232 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 14,148 | $369 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 13,549 | $436 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 16,118 | $396 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 29,422 | $674 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 14,953 | $323 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 9,133 | $204 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 11,897 | $230 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 10,448 | $238 | $23.06 | $19.10 - $25.82 |
| Q4 2014 | 14,154 | $326 | $23.39 | $20.44 - $26.73 |
| Q3 2014 | 20,602 | $496 | $28.91 | $23.00 - $33.65 |
| Q2 2014 | 25,269 | $835 | $30.73 | $28.13 - $34.48 |
| Q1 2014 | 31,958 | $963 | $29.49 | $25.23 - $34.59 |
| Q4 2013 | 26,188 | $722 | $27.72 | $24.44 - $30.62 |
| Q3 2013 | 24,073 | $646 | $25.86 | $23.52 - $27.95 |
| Q1 2012 | 11,220 | $148 | — | — |