Ticker: NPO CUSIP: 29355X107 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 100,449 | $21,509 | $221.15 | $202.00 - $248.88 |
| Q3 2025 | 101,686 | $22,981 | $215.91 | $189.39 - $231.94 |
| Q2 2025 | 104,348 | $19,988 | $170.96 | $133.50 - $195.00 |
| Q1 2025 | 104,564 | $16,917 | $179.63 | $155.96 - $214.58 |
| Q4 2024 | 101,873 | $17,568 | $169.05 | $136.68 - $197.94 |
| Q3 2024 | 98,924 | $16,043 | $155.65 | $141.24 - $176.13 |
| Q2 2024 | 103,440 | $15,058 | $151.48 | $142.41 - $170.46 |
| Q1 2024 | 108,543 | $18,319 | $155.19 | $140.01 - $170.64 |
| Q4 2023 | 108,993 | $17,084 | $129.36 | $106.08 - $161.66 |
| Q3 2023 | 112,665 | $13,654 | $131.65 | $119.65 - $144.86 |
| Q2 2023 | 118,616 | $15,839 | $106.19 | $92.04 - $134.80 |
| Q1 2023 | 127,661 | $13,263 | $109.49 | $91.74 - $121.38 |
| Q4 2022 | 271,345 | $29,492 | $108.15 | $85.71 - $127.67 |
| Q3 2022 | 320,344 | $27,225 | $90.94 | $76.14 - $104.71 |
| Q2 2022 | 372,655 | $30,530 | $93.26 | $79.90 - $102.68 |
| Q1 2022 | 402,278 | $39,314 | $106.42 | $94.02 - $117.63 |
| Q4 2021 | 405,556 | $43,521 | $100.41 | $84.85 - $113.50 |
| Q3 2021 | 414,367 | $36,099 | $87.79 | $79.80 - $98.16 |
| Q2 2021 | 521,430 | $50,656 | $91.37 | $81.65 - $99.94 |
| Q1 2021 | 522,979 | $44,595 | $81.64 | $71.09 - $95.17 |
| Q4 2020 | 555,728 | $41,968 | $67.09 | $55.19 - $76.66 |
| Q3 2020 | 577,854 | $32,597 | $53.93 | $43.65 - $61.24 |
| Q2 2020 | 550,725 | $27,145 | $44.21 | $34.14 - $56.05 |
| Q1 2020 | 431,524 | $17,080 | $55.17 | $30.04 - $68.32 |
| Q4 2019 | 346,961 | $23,204 | $66.47 | $62.25 - $72.38 |
| Q3 2019 | 189,183 | $12,987 | $64.92 | $59.16 - $73.80 |
| Q2 2019 | 166,332 | $10,619 | $65.34 | $55.43 - $75.73 |
| Q1 2019 | 167,009 | $10,764 | $65.96 | $58.63 - $72.84 |
| Q4 2018 | 168,373 | $10,119 | $66.26 | $55.48 - $75.20 |
| Q3 2018 | 169,254 | $12,344 | $73.91 | $63.73 - $78.31 |
| Q2 2018 | 163,659 | $11,448 | $74.69 | $66.01 - $80.66 |
| Q1 2018 | 169,320 | $13,102 | $82.52 | $70.48 - $94.76 |
| Q4 2017 | 163,705 | $15,309 | $84.73 | $77.73 - $94.79 |
| Q3 2017 | 163,298 | $13,150 | $72.99 | $68.35 - $81.32 |
| Q2 2017 | 165,395 | $11,804 | $69.19 | $63.62 - $74.89 |
| Q1 2017 | 165,809 | $11,799 | $66.30 | $61.36 - $71.76 |
| Q4 2016 | 159,644 | $10,754 | $60.10 | $52.00 - $69.24 |
| Q3 2016 | 155,618 | $8,842 | $51.33 | $43.19 - $57.47 |
| Q2 2016 | 152,868 | $6,786 | $51.75 | $42.56 - $60.47 |
| Q1 2016 | 150,298 | $8,669 | $48.21 | $37.53 - $63.82 |
| Q4 2015 | 144,527 | $6,336 | $47.01 | $38.20 - $52.90 |
| Q3 2015 | 138,154 | $5,411 | $48.50 | $38.08 - $57.84 |
| Q2 2015 | 139,027 | $7,955 | $62.99 | $56.87 - $69.26 |
| Q1 2015 | 153,560 | $10,127 | $64.00 | $58.99 - $70.23 |
| Q4 2014 | 149,626 | $9,391 | $62.99 | $57.15 - $67.78 |
| Q3 2014 | 148,564 | $8,992 | $68.11 | $60.32 - $75.08 |
| Q2 2014 | 143,123 | $10,470 | $71.99 | $66.59 - $75.78 |
| Q1 2014 | 133,980 | $9,737 | $70.90 | $56.30 - $80.00 |
| Q4 2013 | 130,429 | $7,519 | $57.38 | $53.39 - $61.24 |
| Q3 2013 | 122,240 | $7,360 | $57.92 | $51.01 - $60.56 |
| Q2 2013 | 118,492 | $6,014 | $49.52 | $44.76 - $51.74 |