Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 18 | $0 | $104.80 | $91.28 - $120.49 |
| Q3 2025 | 3 | $0 | $106.18 | $94.71 - $117.46 |
| Q4 2024 | 65 | $0 | $80.38 | $69.80 - $99.07 |
| Q3 2024 | 65 | $0 | $74.60 | $69.58 - $79.26 |
| Q2 2024 | 58 | $0 | $78.76 | $72.07 - $86.08 |
| Q1 2024 | 58 | $0 | $79.07 | $73.97 - $84.29 |
| Q4 2023 | 52 | $0 | $76.85 | $70.86 - $83.00 |
| Q3 2023 | 52 | $0 | $75.50 | $70.24 - $81.40 |
| Q2 2023 | 57 | $0 | $73.54 | $66.83 - $82.59 |
| Q1 2023 | 57 | $0 | $72.97 | $67.77 - $81.50 |
| Q4 2022 | 58 | $0 | $68.37 | $63.90 - $71.73 |
| Q3 2022 | 58 | $4 | $69.19 | $63.06 - $78.78 |
| Q2 2020 | 18,300 | $1,599 | $85.05 | $68.17 - $97.90 |
| Q1 2020 | 18,300 | $1,296 | $84.26 | $66.60 - $93.99 |
| Q4 2019 | 18,300 | $1,618 | $87.02 | $80.39 - $92.37 |
| Q3 2019 | 17,900 | $1,595 | $90.44 | $82.38 - $97.82 |
| Q2 2019 | 16,300 | $1,521 | $101.82 | $89.24 - $112.50 |
| Q1 2019 | 15,100 | $1,639 | $116.40 | $99.24 - $133.12 |
| Q4 2018 | 11,000 | $1,286 | $125.24 | $109.50 - $133.95 |
| Q3 2018 | 8,900 | $1,154 | $126.95 | $115.25 - $140.32 |
| Q2 2018 | 9,500 | $1,178 | $107.98 | $92.00 - $136.65 |
| Q1 2018 | 10,300 | $966 | $99.25 | $88.80 - $108.45 |
| Q4 2017 | 10,300 | $1,024 | $109.11 | $95.50 - $121.40 |
| Q3 2017 | 13,600 | $1,448 | $105.66 | $95.65 - $114.70 |
| Q2 2017 | 13,600 | $1,503 | $105.57 | $98.05 - $112.45 |
| Q1 2017 | 13,600 | $1,390 | $103.21 | $91.75 - $112.00 |
| Q4 2016 | 13,600 | $1,447 | $93.06 | $83.53 - $108.75 |
| Q3 2016 | 11,600 | $1,018 | $90.73 | $85.13 - $96.25 |