Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,555 | $0 | $104.80 | $91.28 - $120.49 |
| Q3 2025 | 1,517 | $0 | $106.18 | $94.71 - $117.46 |
| Q2 2025 | 1,471 | $0 | $87.38 | $77.63 - $100.17 |
| Q1 2025 | 1,443 | $0 | $95.29 | $85.21 - $103.93 |
| Q4 2024 | 1,516 | $0 | $80.38 | $69.80 - $99.07 |
| Q3 2024 | 1,516 | $0 | $74.60 | $69.58 - $79.26 |
| Q2 2024 | 1,518 | $0 | $78.76 | $72.07 - $86.08 |
| Q1 2024 | 1,694 | $0 | $79.07 | $73.97 - $84.29 |
| Q4 2023 | 1,973 | $0 | $76.85 | $70.86 - $83.00 |
| Q3 2023 | 2,154 | $0 | $75.50 | $70.24 - $81.40 |
| Q2 2023 | 1,922 | $0 | $73.54 | $66.83 - $82.59 |
| Q1 2023 | 2,266 | $0 | $72.97 | $67.77 - $81.50 |
| Q4 2022 | 2,298 | $0 | $68.37 | $63.90 - $71.73 |
| Q3 2022 | 2,298 | $149 | $69.19 | $63.06 - $78.78 |
| Q2 2022 | 2,320 | $152 | $70.97 | $59.99 - $79.31 |
| Q1 2022 | 2,265 | $174 | $81.17 | $76.40 - $89.05 |
| Q3 2021 | 2,526 | $207 | $89.68 | $79.78 - $103.69 |
| Q2 2021 | 2,557 | $260 | $103.08 | $97.03 - $107.89 |