Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 70,469 | $7,523 | $104.80 | $91.28 - $120.49 |
| Q3 2025 | 62,405 | $6,999 | $106.18 | $94.71 - $117.46 |
| Q2 2025 | 58,358 | $5,717 | $87.38 | $77.63 - $100.17 |
| Q1 2025 | 79,827 | $7,018 | $95.29 | $85.21 - $103.93 |
| Q4 2024 | 156,040 | $15,357 | $80.38 | $69.80 - $99.07 |
| Q3 2024 | 126,463 | $9,502 | $74.60 | $69.58 - $79.26 |
| Q2 2024 | 85,753 | $6,396 | $78.76 | $72.07 - $86.08 |
| Q1 2024 | 91,330 | $7,653 | $79.07 | $73.97 - $84.29 |
| Q4 2023 | 112,231 | $9,010 | $76.85 | $70.86 - $83.00 |
| Q3 2023 | 146,921 | $10,646 | $75.50 | $70.24 - $81.40 |
| Q2 2023 | 95,756 | $7,009 | $73.54 | $66.83 - $82.59 |
| Q1 2023 | 92,332 | $6,656 | $72.97 | $67.77 - $81.50 |
| Q4 2022 | 44,074 | $3,017 | $68.37 | $63.90 - $71.73 |
| Q3 2022 | 39,702 | $2,582 | $69.19 | $63.06 - $78.78 |
| Q2 2022 | 42,554 | $2,794 | $70.97 | $59.99 - $79.31 |
| Q1 2022 | 21,259 | $1,636 | $81.17 | $76.40 - $89.05 |
| Q4 2021 | 14,217 | $1,166 | $83.82 | $78.33 - $89.50 |
| Q3 2021 | 14,135 | $1,160 | $89.68 | $79.78 - $103.69 |
| Q2 2021 | 9,861 | $1,002 | $103.08 | $97.03 - $107.89 |
| Q1 2021 | 6,967 | $710 | $98.38 | $86.66 - $117.87 |
| Q4 2020 | 5,307 | $465 | $85.92 | $79.49 - $94.30 |
| Q3 2020 | 3,968 | $325 | $87.32 | $81.09 - $95.66 |
| Q2 2020 | 6,970 | $609 | $85.05 | $68.17 - $97.90 |
| Q1 2020 | 6,803 | $482 | $84.26 | $66.60 - $93.99 |
| Q4 2019 | 6,253 | $553 | $87.02 | $80.39 - $92.37 |
| Q3 2019 | 4,190 | $373 | $90.44 | $82.38 - $97.82 |
| Q2 2015 | 3,755 | $302 | $68.50 | $61.65 - $80.34 |