Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 488 | $16 | $29.70 | $25.36 - $34.47 |
| Q3 2025 | 670 | $19 | $25.41 | $22.48 - $28.73 |
| Q2 2025 | 1,057 | $27 | $22.21 | $16.55 - $27.54 |
| Q1 2025 | 601 | $13 | $25.04 | $20.01 - $29.42 |
| Q4 2024 | 450 | $12 | $23.22 | $18.21 - $28.20 |
| Q3 2024 | 2,381 | $46 | $19.78 | $16.52 - $22.59 |
| Q2 2024 | 77 | $2 | $21.72 | $17.81 - $24.97 |
| Q1 2024 | 44 | $1 | $15.93 | $13.55 - $19.94 |
| Q4 2023 | 3,343 | $54 | $14.30 | $12.61 - $16.27 |
| Q3 2023 | 50 | $1 | $10.78 | $9.52 - $15.23 |
| Q2 2023 | 1,563 | $15 | $10.23 | $9.45 - $11.09 |
| Q1 2023 | 34 | $0 | $10.89 | $9.31 - $12.54 |
| Q4 2022 | 210 | $0 | $10.80 | $9.88 - $12.25 |
| Q3 2022 | 2,944 | $30 | $10.16 | $9.01 - $12.32 |
| Q2 2022 | 2,023 | $22 | $12.63 | $10.83 - $14.84 |
| Q1 2022 | 1,337 | $16 | $11.42 | $9.74 - $13.89 |
| Q4 2021 | 458 | $5 | $11.19 | $9.41 - $12.83 |
| Q3 2021 | 227 | $2 | $9.70 | $8.82 - $10.76 |
| Q1 2021 | 4,587 | $43 | $9.42 | $7.92 - $10.65 |
| Q4 2020 | 2,555 | $24 | $9.94 | $8.27 - $12.10 |
| Q2 2020 | 5,602 | $35 | $5.74 | $3.96 - $8.23 |
| Q4 2019 | 761 | $9 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 250 | $3 | $13.56 | $10.11 - $16.51 |
| Q4 2018 | 2,442 | $40 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 408 | $9 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 1,997 | $47 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 747 | $18 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 800 | $21 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 2,565 | $73 | $24.49 | $22.26 - $29.24 |
| Q1 2017 | 1,740 | $45 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 2,095 | $68 | $27.19 | $20.43 - $34.13 |
| Q2 2016 | 662 | $16 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 690 | $15 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 3 | $0 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 1,638 | $32 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 100 | $2 | $23.06 | $19.10 - $25.82 |
| Q1 2015 | 1,172 | $23 | $19.65 | $17.69 - $23.12 |
| Q4 2014 | 178 | $4 | $23.39 | $20.44 - $26.73 |
| Q3 2014 | 552 | $13 | $28.91 | $23.00 - $33.65 |
| Q2 2014 | 99 | $3 | $30.73 | $28.13 - $34.48 |
| Q1 2014 | 700 | $21 | $29.49 | $25.23 - $34.59 |
| Q4 2013 | 640 | $18 | $27.72 | $24.44 - $30.62 |
| Q3 2013 | 1,216 | $33 | $25.86 | $23.52 - $27.95 |
| Q2 2013 | 2,300 | $54 | $21.33 | $18.17 - $23.75 |