Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 6,472 | $0 | $29.70 | $25.36 - $34.47 |
| Q2 2023 | 12,288 | $0 | $10.23 | $9.45 - $11.09 |
| Q1 2023 | 12,288 | $0 | $10.89 | $9.31 - $12.54 |
| Q4 2022 | 10,588 | $0 | $10.80 | $9.88 - $12.25 |
| Q3 2022 | 13,888 | $140 | $10.16 | $9.01 - $12.32 |
| Q2 2022 | 21,188 | $233 | $12.63 | $10.83 - $14.84 |
| Q1 2022 | 21,188 | $252 | $11.42 | $9.74 - $13.89 |
| Q4 2021 | 21,188 | $222 | $11.19 | $9.41 - $12.83 |
| Q3 2021 | 21,188 | $220 | $9.70 | $8.82 - $10.76 |
| Q2 2021 | 21,188 | $218 | $9.89 | $8.77 - $11.52 |
| Q1 2021 | 21,188 | $200 | $9.42 | $7.92 - $10.65 |
| Q4 2020 | 27,788 | $263 | $9.94 | $8.27 - $12.10 |
| Q3 2020 | 27,788 | $235 | $7.49 | $6.05 - $10.02 |
| Q2 2020 | 27,788 | $174 | $5.74 | $3.96 - $8.23 |
| Q1 2020 | 16,006 | $71 | $9.28 | $2.59 - $13.00 |
| Q4 2019 | 25,818 | $317 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 25,306 | $324 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 25,271 | $417 | $16.22 | $14.71 - $18.54 |
| Q1 2019 | 25,271 | $437 | $17.65 | $15.90 - $19.02 |
| Q4 2018 | 25,171 | $414 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 18,947 | $400 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 18,872 | $445 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 16,858 | $402 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 13,934 | $365 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 12,034 | $342 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 12,034 | $299 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 12,030 | $313 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 10,530 | $339 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 10,530 | $259 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 10,530 | $241 | $22.14 | $19.61 - $25.27 |