Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2024 | 2,786 | $233 | $79.07 | $73.97 - $84.29 |
| Q4 2023 | 2,811 | $226 | $76.85 | $70.86 - $83.00 |
| Q3 2023 | 2,834 | $205 | $75.50 | $70.24 - $81.40 |
| Q2 2023 | 2,767 | $203 | $73.54 | $66.83 - $82.59 |
| Q1 2023 | 2,796 | $202 | $72.97 | $67.77 - $81.50 |
| Q4 2022 | 2,782 | $190 | $68.37 | $63.90 - $71.73 |
| Q3 2022 | 2,805 | $182 | $69.19 | $63.06 - $78.78 |
| Q2 2022 | 2,774 | $182 | $70.97 | $59.99 - $79.31 |
| Q1 2022 | 2,927 | $225 | $81.17 | $76.40 - $89.05 |
| Q4 2021 | 3,107 | $255 | $83.82 | $78.33 - $89.50 |
| Q3 2021 | 3,207 | $263 | $89.68 | $79.78 - $103.69 |
| Q2 2021 | 3,330 | $338 | $103.08 | $97.03 - $107.89 |
| Q1 2021 | 3,405 | $348 | $98.38 | $86.66 - $117.87 |
| Q4 2020 | 3,443 | $304 | $85.92 | $79.49 - $94.30 |
| Q3 2020 | 3,530 | $289 | $87.32 | $81.09 - $95.66 |
| Q2 2020 | 3,602 | $315 | $85.05 | $68.17 - $97.90 |
| Q1 2020 | 3,427 | $243 | $84.26 | $66.60 - $93.99 |
| Q4 2019 | 3,598 | $318 | $87.02 | $80.39 - $92.37 |
| Q3 2019 | 3,696 | $329 | $90.44 | $82.38 - $97.82 |
| Q2 2019 | 3,737 | $349 | $101.82 | $89.24 - $112.50 |
| Q1 2019 | 3,758 | $408 | $116.40 | $99.24 - $133.12 |
| Q4 2018 | 3,860 | $451 | $125.24 | $109.50 - $133.95 |
| Q3 2018 | 3,905 | $506 | $126.95 | $115.25 - $140.32 |
| Q2 2018 | 3,832 | $475 | $107.98 | $92.00 - $136.65 |
| Q1 2018 | 3,171 | $297 | $99.25 | $88.80 - $108.45 |
| Q4 2017 | 3,950 | $393 | $109.11 | $95.50 - $121.40 |
| Q3 2017 | 3,935 | $419 | $105.66 | $95.65 - $114.70 |
| Q2 2017 | 3,711 | $410 | $105.57 | $98.05 - $112.45 |
| Q1 2017 | 3,030 | $310 | $103.21 | $91.75 - $112.00 |
| Q4 2016 | 15,017 | $1,598 | $93.06 | $83.53 - $108.75 |
| Q3 2016 | 15,388 | $1,350,913 | $90.73 | $85.13 - $96.25 |
| Q2 2016 | 15,527 | $1,464,972 | $87.97 | $81.96 - $94.35 |
| Q1 2016 | 15,819 | $1,325,000 | $80.09 | $72.30 - $88.00 |
| Q4 2015 | 3,493 | $289,000 | $86.71 | $78.13 - $94.18 |
| Q3 2015 | 3,455 | $291 | $81.19 | $74.57 - $88.00 |
| Q2 2015 | 3,443 | $276,542 | $68.50 | $61.65 - $80.34 |
| Q1 2015 | 3,635 | $230,423 | $61.65 | $56.04 - $67.90 |
| Q4 2014 | 3,610 | $209,524 | $59.42 | $54.07 - $63.69 |
| Q3 2014 | 4,219 | $256,135 | $66.40 | $60.68 - $75.50 |
| Q2 2014 | 4,853 | $353,492 | $71.81 | $67.09 - $77.75 |
| Q1 2014 | 3,774 | $294,523 | $78.13 | $73.04 - $84.00 |
| Q4 2013 | 3,673 | $295,677 | $73.58 | $67.32 - $81.00 |
| Q3 2013 | 3,651 | $257,067 | $72.80 | $68.50 - $77.50 |
| Q2 2013 | 3,732 | $268,816 | $76.01 | $70.25 - $80.50 |