Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 12,641 | $425 | $29.70 | $25.36 - $34.47 |
| Q3 2025 | 15,159 | $424 | $25.41 | $22.48 - $28.73 |
| Q2 2025 | 16,770 | $433 | $22.21 | $16.55 - $27.54 |
| Q1 2025 | 11,007 | $242 | $25.04 | $20.01 - $29.42 |
| Q4 2024 | 31,362 | $840 | $23.22 | $18.21 - $28.20 |
| Q3 2024 | 10,624 | $203 | $19.78 | $16.52 - $22.59 |
| Q2 2024 | 12,072 | $243 | $21.72 | $17.81 - $24.97 |
| Q1 2024 | 462 | $9 | $15.93 | $13.55 - $19.94 |
| Q4 2023 | 462 | $7 | $14.30 | $12.61 - $16.27 |
| Q3 2023 | 462 | $7 | $10.78 | $9.52 - $15.23 |
| Q2 2023 | 462 | $5 | $10.23 | $9.45 - $11.09 |
| Q1 2020 | 19,888 | $89 | $9.28 | $2.59 - $13.00 |
| Q4 2019 | 19,888 | $244 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 19,942 | $255 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 18,165 | $300 | $16.22 | $14.71 - $18.54 |
| Q1 2019 | 17,994 | $311 | $17.65 | $15.90 - $19.02 |
| Q4 2018 | 17,822 | $293 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 13,163 | $278 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 13,043 | $308 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 13,008 | $310 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 13,608 | $357 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 15,838 | $450 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 15,718 | $391 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 16,293 | $424 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 15,771 | $507 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 16,234 | $399 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 16,124 | $369 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 20,323 | $440 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 18,438 | $411 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 18,063 | $349 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 18,088 | $413 | $23.06 | $19.10 - $25.82 |
| Q1 2015 | 19,068 | $366 | $19.65 | $17.69 - $23.12 |
| Q4 2014 | 18,268 | $421 | $23.39 | $20.44 - $26.73 |
| Q3 2014 | 16,693 | $402 | $28.91 | $23.00 - $33.65 |
| Q2 2014 | 16,693 | $552 | $30.73 | $28.13 - $34.48 |
| Q1 2014 | 17,213 | $519 | $29.49 | $25.23 - $34.59 |
| Q4 2013 | 17,713 | $488 | $27.72 | $24.44 - $30.62 |
| Q3 2013 | 18,813 | $505 | $25.86 | $23.52 - $27.95 |
| Q2 2013 | 18,912 | $444 | $21.33 | $18.17 - $23.75 |