Ticker: NPO CUSIP: 29355X107 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 11,512 | $2,465 | $221.15 | $202.00 - $248.88 |
| Q3 2025 | 11,544 | $2,609 | $215.91 | $189.39 - $231.94 |
| Q2 2025 | 11,544 | $2,211 | $170.96 | $133.50 - $195.00 |
| Q1 2025 | 10,944 | $1,771 | $179.63 | $155.96 - $214.58 |
| Q4 2024 | 23,202 | $4,001 | $169.05 | $136.68 - $197.94 |
| Q3 2024 | 10,944 | $1,775 | $155.65 | $141.24 - $176.13 |
| Q2 2024 | 13,644 | $1,986 | $151.48 | $142.41 - $170.46 |
| Q1 2024 | 12,767 | $2,155 | $155.19 | $140.01 - $170.64 |
| Q4 2023 | 12,769 | $2,001 | $129.36 | $106.08 - $161.66 |
| Q3 2023 | 12,990 | $1,574 | $131.65 | $119.65 - $144.86 |
| Q2 2023 | 14,294 | $1,909 | $106.19 | $92.04 - $134.80 |
| Q1 2023 | 18,499 | $1,922 | $109.49 | $91.74 - $121.38 |
| Q4 2022 | 27,599 | $3,000 | $108.15 | $85.71 - $127.67 |
| Q3 2022 | 26,501 | $2,252 | $90.94 | $76.14 - $104.71 |
| Q2 2022 | 26,555 | $2,176 | $93.26 | $79.90 - $102.68 |
| Q1 2022 | 26,601 | $2,600 | $106.42 | $94.02 - $117.63 |
| Q4 2021 | 26,585 | $2,926 | $100.41 | $84.85 - $113.50 |
| Q3 2021 | 23,853 | $2,078 | $87.79 | $79.80 - $98.16 |
| Q2 2021 | 26,889 | $2,612 | $91.37 | $81.65 - $99.94 |
| Q1 2021 | 23,282 | $1,985 | $81.64 | $71.09 - $95.17 |
| Q4 2020 | 18,800 | $1,420 | $67.09 | $55.19 - $76.66 |
| Q3 2020 | 20,700 | $1,168 | $53.93 | $43.65 - $61.24 |
| Q2 2020 | 20,700 | $1,020 | $44.21 | $34.14 - $56.05 |
| Q1 2020 | 18,500 | $732 | $55.17 | $30.04 - $68.32 |
| Q4 2019 | 18,500 | $1,237 | $66.47 | $62.25 - $72.38 |
| Q3 2019 | 22,000 | $1,510 | $64.92 | $59.16 - $73.80 |
| Q2 2019 | 38,445 | $2,454 | $65.34 | $55.43 - $75.73 |
| Q1 2019 | 93,640 | $6,035 | $65.96 | $58.63 - $72.84 |
| Q4 2018 | 93,756 | $5,635 | $66.26 | $55.48 - $75.20 |
| Q3 2018 | 84,372 | $6,153 | $73.91 | $63.73 - $78.31 |
| Q2 2018 | 36,168 | $2,530 | $74.69 | $66.01 - $80.66 |
| Q1 2018 | 36,168 | $2,799 | $82.52 | $70.48 - $94.76 |
| Q4 2017 | 30,280 | $2,831 | $84.73 | $77.73 - $94.79 |
| Q3 2017 | 23,400 | $1,884 | $72.99 | $68.35 - $81.32 |
| Q2 2017 | 23,400 | $1,670 | $69.19 | $63.62 - $74.89 |
| Q1 2017 | 23,401 | $1,665 | $66.30 | $61.36 - $71.76 |
| Q4 2016 | 23,400 | $1,576 | $60.10 | $52.00 - $69.24 |
| Q3 2016 | 23,400 | $1,330 | $51.33 | $43.19 - $57.47 |
| Q2 2016 | 26,890 | $1,194 | $51.75 | $42.56 - $60.47 |
| Q1 2016 | 23,400 | $1,350 | $48.21 | $37.53 - $63.82 |
| Q4 2015 | 21,800 | $956 | $47.01 | $38.20 - $52.90 |
| Q3 2015 | 20,800 | $815 | $48.50 | $38.08 - $57.84 |
| Q2 2015 | 115,584 | $6,614 | $62.99 | $56.87 - $69.26 |
| Q1 2015 | 93,263 | $6,151 | $64.00 | $58.99 - $70.23 |
| Q4 2014 | 45,060 | $2,828 | $62.99 | $57.15 - $67.78 |
| Q3 2014 | 45,060 | $2,727 | $68.11 | $60.32 - $75.08 |
| Q2 2014 | 50,260 | $3,677 | $71.99 | $66.59 - $75.78 |
| Q1 2014 | 49,260 | $3,580 | $70.90 | $56.30 - $80.00 |
| Q4 2013 | 49,260 | $2,840 | $57.38 | $53.39 - $61.24 |
| Q3 2013 | 49,260 | $2,966 | $57.92 | $51.01 - $60.56 |
| Q2 2013 | 49,260 | $2,500 | $49.52 | $44.76 - $51.74 |