Ticker: NPO CUSIP: 29355X107 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 248,344 | $53,178 | $221.15 | $202.00 - $248.88 |
| Q3 2025 | 252,050 | $56,963 | $215.91 | $189.39 - $231.94 |
| Q2 2025 | 253,181 | $48,497 | $170.96 | $133.50 - $195.00 |
| Q1 2025 | 254,658 | $41,201 | $179.63 | $155.96 - $214.58 |
| Q4 2024 | 254,907 | $43,959 | $169.05 | $136.68 - $197.94 |
| Q3 2024 | 249,165 | $40,410 | $155.65 | $141.24 - $176.13 |
| Q2 2024 | 245,947 | $35,803 | $151.48 | $142.41 - $170.46 |
| Q1 2024 | 240,404 | $40,573 | $155.19 | $140.01 - $170.64 |
| Q4 2023 | 237,736 | $37,263 | $129.36 | $106.08 - $161.66 |
| Q3 2023 | 231,166 | $28,015 | $131.65 | $119.65 - $144.86 |
| Q2 2023 | 228,417 | $30,501 | $106.19 | $92.04 - $134.80 |
| Q1 2023 | 225,631 | $23,441 | $109.49 | $91.74 - $121.38 |
| Q4 2022 | 224,355 | $24,385 | $108.15 | $85.71 - $127.67 |
| Q3 2022 | 222,161 | $18,879 | $90.94 | $76.14 - $104.71 |
| Q2 2022 | 219,083 | $17,950 | $93.26 | $79.90 - $102.68 |
| Q1 2022 | 213,650 | $20,880 | $106.42 | $94.02 - $117.63 |
| Q4 2021 | 210,102 | $23,126 | $100.41 | $84.85 - $113.50 |
| Q3 2021 | 209,592 | $18,261 | $87.79 | $79.80 - $98.16 |
| Q2 2021 | 207,008 | $20,111 | $91.37 | $81.65 - $99.94 |
| Q1 2021 | 208,267 | $17,759 | $81.64 | $71.09 - $95.17 |
| Q4 2020 | 207,412 | $15,664 | $67.09 | $55.19 - $76.66 |
| Q3 2020 | 204,703 | $11,548 | $53.93 | $43.65 - $61.24 |
| Q2 2020 | 206,323 | $10,170 | $44.21 | $34.14 - $56.05 |
| Q1 2020 | 208,042 | $8,235 | $55.17 | $30.04 - $68.32 |
| Q4 2019 | 189,105 | $12,648 | $66.47 | $62.25 - $72.38 |
| Q3 2019 | 181,294 | $12,446 | $64.92 | $59.16 - $73.80 |
| Q2 2019 | 171,363 | $10,940 | $65.34 | $55.43 - $75.73 |
| Q1 2019 | 167,664 | $10,806 | $65.96 | $58.63 - $72.84 |
| Q4 2018 | 156,732 | $9,420 | $66.26 | $55.48 - $75.20 |
| Q3 2018 | 157,798 | $11,509 | $73.91 | $63.73 - $78.31 |
| Q2 2018 | 150,808 | $10,550 | $74.69 | $66.01 - $80.66 |
| Q1 2018 | 142,936 | $11,061 | $82.52 | $70.48 - $94.76 |
| Q4 2017 | 138,026 | $12,907 | $84.73 | $77.73 - $94.79 |
| Q3 2017 | 133,851 | $10,780 | $72.99 | $68.35 - $81.32 |
| Q2 2017 | 131,708 | $9,400 | $69.19 | $63.62 - $74.89 |
| Q1 2017 | 127,663 | $9,085 | $66.30 | $61.36 - $71.76 |
| Q4 2016 | 117,786 | $7,935 | $60.10 | $52.00 - $69.24 |
| Q3 2016 | 109,142 | $6,202 | $51.33 | $43.19 - $57.47 |
| Q2 2016 | 103,877 | $4,612 | $51.75 | $42.56 - $60.47 |
| Q1 2016 | 98,454 | $5,679 | $48.21 | $37.53 - $63.82 |
| Q4 2015 | 92,323 | $4,048 | $47.01 | $38.20 - $52.90 |
| Q3 2015 | 89,242 | $3,496 | $48.50 | $38.08 - $57.84 |
| Q2 2015 | 85,041 | $4,867 | $62.99 | $56.87 - $69.26 |
| Q1 2015 | 78,875 | $5,202 | $64.00 | $58.99 - $70.23 |
| Q4 2014 | 74,593 | $4,682 | $62.99 | $57.15 - $67.78 |
| Q3 2014 | 72,245 | $4,373 | $68.11 | $60.32 - $75.08 |
| Q2 2014 | 70,814 | $5,181 | $71.99 | $66.59 - $75.78 |
| Q1 2014 | 66,675 | $4,846 | $70.90 | $56.30 - $80.00 |
| Q4 2013 | 63,276 | $3,648 | $57.38 | $53.39 - $61.24 |
| Q3 2013 | 59,163 | $3,588 | $57.92 | $51.01 - $60.56 |
| Q2 2013 | 55,184 | $2,844 | $49.52 | $44.76 - $51.74 |