Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 21,384 | $720 | $29.70 | $25.36 - $34.47 |
| Q3 2025 | 17,301 | $331 | $25.41 | $22.48 - $28.73 |
| Q2 2025 | 17,450 | $450 | $22.21 | $16.55 - $27.54 |
| Q1 2025 | 13,356 | $293 | $25.04 | $20.01 - $29.42 |
| Q4 2024 | 18,716 | $502 | $23.22 | $18.21 - $28.20 |
| Q3 2024 | 17,301 | $0 | $19.78 | $16.52 - $22.59 |
| Q2 2024 | 11,726 | $236 | $21.72 | $17.81 - $24.97 |
| Q1 2024 | 13,030 | $253 | $15.93 | $13.55 - $19.94 |
| Q4 2023 | 22,536 | $362 | $14.30 | $12.61 - $16.27 |
| Q3 2023 | 2,664 | $39 | $10.78 | $9.52 - $15.23 |
| Q3 2021 | 3,283 | $34 | $9.70 | $8.82 - $10.76 |
| Q2 2021 | 955 | $10 | $9.89 | $8.77 - $11.52 |
| Q1 2021 | 616 | $6 | $9.42 | $7.92 - $10.65 |
| Q3 2020 | 4,201 | $35 | $7.49 | $6.05 - $10.02 |
| Q2 2020 | 9,868 | $62 | $5.74 | $3.96 - $8.23 |
| Q1 2020 | 10,675 | $48 | $9.28 | $2.59 - $13.00 |
| Q4 2019 | 19,458 | $239 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 6,582 | $83 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 22,286 | $367 | $16.22 | $14.71 - $18.54 |
| Q1 2019 | 26,774 | $463 | $17.65 | $15.90 - $19.02 |
| Q4 2018 | 22,467 | $369 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 29,944 | $633 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 16,426 | $388 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 19,037 | $453 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 19,534 | $512 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 17,771 | $504 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 18,678 | $463 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 20,064 | $523 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 15,309 | $492 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 16,014 | $394 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 17,013 | $390 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 17,601 | $369 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 17,578 | $387 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 17,013 | $323 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 24,676 | $543 | $23.06 | $19.10 - $25.82 |
| Q1 2015 | 30,549 | $581 | $19.65 | $17.69 - $23.12 |
| Q4 2014 | 30,791 | $708 | $23.39 | $20.44 - $26.73 |
| Q3 2014 | 503 | $13 | $28.91 | $23.00 - $33.65 |
| Q2 2014 | 305 | $11 | $30.73 | $28.13 - $34.48 |
| Q1 2014 | 1,823 | $55 | $29.49 | $25.23 - $34.59 |
| Q4 2013 | 10,950 | $296 | $27.72 | $24.44 - $30.62 |
| Q3 2013 | 8,113 | $210 | $25.86 | $23.52 - $27.95 |
| Q2 2013 | 8,710 | $205 | $21.33 | $18.17 - $23.75 |