Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 28,635 | $964 | $29.70 | $25.36 - $34.47 |
| Q3 2025 | 31,197 | $873 | $25.41 | $22.48 - $28.73 |
| Q2 2025 | 33,994 | $877 | $22.21 | $16.55 - $27.54 |
| Q1 2025 | 23,469 | $516 | $25.04 | $20.01 - $29.42 |
| Q4 2024 | 46,404 | $1,244 | $23.22 | $18.21 - $28.20 |
| Q3 2024 | 34,548 | $660 | $19.78 | $16.52 - $22.59 |
| Q2 2024 | 19,574 | $394 | $21.72 | $17.81 - $24.97 |
| Q1 2024 | 36,635 | $712 | $15.93 | $13.55 - $19.94 |
| Q4 2023 | 14,604 | $235 | $14.30 | $12.61 - $16.27 |
| Q3 2023 | 3,817 | $56 | $10.78 | $9.52 - $15.23 |
| Q2 2023 | 3,603 | $36 | $10.23 | $9.45 - $11.09 |
| Q1 2023 | 34 | $0 | $10.89 | $9.31 - $12.54 |
| Q4 2022 | 34 | $0 | $10.80 | $9.88 - $12.25 |
| Q3 2022 | 34 | $0 | $10.16 | $9.01 - $12.32 |
| Q2 2022 | 34 | $0 | $12.63 | $10.83 - $14.84 |
| Q1 2022 | 34 | $0 | $11.42 | $9.74 - $13.89 |
| Q4 2021 | 34 | $0 | $11.19 | $9.41 - $12.83 |
| Q3 2021 | 34 | $0 | $9.70 | $8.82 - $10.76 |
| Q2 2021 | 34 | $0 | $9.89 | $8.77 - $11.52 |
| Q1 2021 | 538 | $5 | $9.42 | $7.92 - $10.65 |
| Q4 2020 | 34 | $0 | $9.94 | $8.27 - $12.10 |
| Q3 2020 | 34 | $0 | $7.49 | $6.05 - $10.02 |
| Q2 2020 | 22,058 | $138 | $5.74 | $3.96 - $8.23 |
| Q1 2020 | 57,164 | $255 | $9.28 | $2.59 - $13.00 |
| Q4 2019 | 89,228 | $1,094 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 75,821 | $971 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 39,956 | $630 | $16.22 | $14.71 - $18.54 |
| Q1 2019 | 35,450 | $614 | $17.65 | $15.90 - $19.02 |
| Q4 2018 | 133,304 | $2,192 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 154,987 | $3,271 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 141,740 | $3,346 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 127,621 | $3,044 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 138,801 | $3,637 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 140,925 | $4,122 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 14,454 | $359 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 11,009 | $287 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 13,927 | $448 | $27.19 | $20.43 - $34.13 |
| Q4 2015 | 130 | $3 | $21.48 | $18.28 - $24.21 |
| Q3 2014 | 56,991 | $1,372 | $28.91 | $23.00 - $33.65 |
| Q2 2014 | 101,316 | $3,349 | $30.73 | $28.13 - $34.48 |
| Q1 2014 | 104,616 | $3,153 | $29.49 | $25.23 - $34.59 |
| Q4 2013 | 96,525 | $2,662 | $27.72 | $24.44 - $30.62 |
| Q3 2013 | 98,949 | $2,655 | $25.86 | $23.52 - $27.95 |
| Q2 2013 | 82,286 | $1,933 | $21.33 | $18.17 - $23.75 |