Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 5,845 | $197 | $29.70 | $25.36 - $34.47 |
| Q3 2025 | 5,719 | $160 | $25.41 | $22.48 - $28.73 |
| Q2 2025 | 5,856 | $151 | $22.21 | $16.55 - $27.54 |
| Q1 2025 | 4,995 | $110 | $25.04 | $20.01 - $29.42 |
| Q4 2024 | 5,144 | $138 | $23.22 | $18.21 - $28.20 |
| Q3 2024 | 4,970 | $95 | $19.78 | $16.52 - $22.59 |
| Q2 2024 | 4,894 | $98 | $21.72 | $17.81 - $24.97 |
| Q1 2024 | 4,749 | $92 | $15.93 | $13.55 - $19.94 |
| Q4 2023 | 5,324 | $86 | $14.30 | $12.61 - $16.27 |
| Q3 2023 | 4,749 | $69 | $10.78 | $9.52 - $15.23 |
| Q2 2023 | 4,752 | $47 | $10.23 | $9.45 - $11.09 |
| Q1 2023 | 1,086,927 | $11,206 | $10.89 | $9.31 - $12.54 |
| Q4 2022 | 1,074,087 | $12,309 | $10.80 | $9.88 - $12.25 |
| Q3 2022 | 971,913 | $9,758 | $10.16 | $9.01 - $12.32 |
| Q2 2022 | 1,245,000 | $13,695 | $12.63 | $10.83 - $14.84 |
| Q1 2022 | 1,288,229 | $15,342 | $11.42 | $9.74 - $13.89 |
| Q4 2021 | 1,207,175 | $12,640 | $11.19 | $9.41 - $12.83 |
| Q3 2021 | 1,303,687 | $13,533 | $9.70 | $8.82 - $10.76 |
| Q2 2021 | 1,303,374 | $13,399 | $9.89 | $8.77 - $11.52 |
| Q1 2021 | 1,059,613 | $10,002 | $9.42 | $7.92 - $10.65 |
| Q4 2020 | 1,076,645 | $10,206 | $9.94 | $8.27 - $12.10 |
| Q3 2020 | 942,578 | $7,964 | $7.49 | $6.05 - $10.02 |
| Q2 2020 | 695,319 | $4,359 | $5.74 | $3.96 - $8.23 |
| Q1 2020 | 740,359 | $3,302 | $9.28 | $2.59 - $13.00 |
| Q4 2019 | 841,940 | $10,322 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 843,240 | $10,802 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 753,502 | $12,433 | $16.22 | $14.71 - $18.54 |
| Q1 2019 | 422,052 | $7,306 | $17.65 | $15.90 - $19.02 |
| Q4 2018 | 491,412 | $8,079 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 495,112 | $10,447 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 504,400 | $11,904 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 361,126 | $8,612 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 113,287 | $2,968 | $26.38 | $23.89 - $29.04 |