Ticker: NPO CUSIP: 29355X107 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 140,922 | $30,176 | $221.15 | $202.00 - $248.88 |
| Q3 2025 | 147,876 | $33,420 | $215.91 | $189.39 - $231.94 |
| Q2 2025 | 164,950 | $31,596 | $170.96 | $133.50 - $195.00 |
| Q1 2025 | 153,397 | $24,819 | $179.63 | $155.96 - $214.58 |
| Q4 2024 | 160,242 | $27,633 | $169.05 | $136.68 - $197.94 |
| Q3 2024 | 173,257 | $28,098 | $155.65 | $141.24 - $176.13 |
| Q2 2024 | 175,809 | $25,593 | $151.48 | $142.41 - $170.46 |
| Q1 2024 | 179,007 | $30,211 | $155.19 | $140.01 - $170.64 |
| Q4 2023 | 191,151 | $29,961 | $129.36 | $106.08 - $161.66 |
| Q3 2023 | 156,759 | $18,998 | $131.65 | $119.65 - $144.86 |
| Q2 2023 | 156,517 | $20,899 | $106.19 | $92.04 - $134.80 |
| Q1 2023 | 5,931 | $616 | $109.49 | $91.74 - $121.38 |
| Q4 2022 | 9,639 | $1,048 | $108.15 | $85.71 - $127.67 |
| Q3 2022 | 6,832 | $582 | $90.94 | $76.14 - $104.71 |
| Q2 2022 | 5,480 | $450 | $93.26 | $79.90 - $102.68 |
| Q1 2022 | 6,540 | $639 | $106.42 | $94.02 - $117.63 |
| Q4 2021 | 259,605 | $28,574 | $100.41 | $84.85 - $113.50 |
| Q3 2021 | 272,084 | $23,704 | $87.79 | $79.80 - $98.16 |
| Q2 2021 | 222,587 | $21,624 | $91.37 | $81.65 - $99.94 |
| Q1 2021 | 232,240 | $19,804 | $81.64 | $71.09 - $95.17 |
| Q4 2020 | 245,735 | $18,558 | $67.09 | $55.19 - $76.66 |
| Q3 2020 | 244,876 | $13,813 | $53.93 | $43.65 - $61.24 |
| Q2 2020 | 254,464 | $12,542 | $44.21 | $34.14 - $56.05 |
| Q1 2020 | 234,112 | $9,266 | $55.17 | $30.04 - $68.32 |
| Q4 2019 | 251,955 | $16,851 | $66.47 | $62.25 - $72.38 |
| Q3 2019 | 256,694 | $17,623 | $64.92 | $59.16 - $73.80 |
| Q2 2019 | 265,849 | $16,972 | $65.34 | $55.43 - $75.73 |
| Q1 2019 | 284,878 | $18,360 | $65.96 | $58.63 - $72.84 |
| Q4 2018 | 275,922 | $16,584 | $66.26 | $55.48 - $75.20 |
| Q3 2018 | 290,265 | $21,170 | $73.91 | $63.73 - $78.31 |
| Q2 2018 | 285,661 | $19,983 | $74.69 | $66.01 - $80.66 |
| Q1 2018 | 294,601 | $22,796 | $82.52 | $70.48 - $94.76 |
| Q4 2017 | 291,587 | $27,266 | $84.73 | $77.73 - $94.79 |
| Q3 2017 | 409,202 | $32,954 | $72.99 | $68.35 - $81.32 |
| Q2 2017 | 402,215 | $28,706 | $69.19 | $63.62 - $74.89 |
| Q1 2017 | 412,042 | $29,322 | $66.30 | $61.36 - $71.76 |
| Q4 2016 | 386,934 | $26,063 | $60.10 | $52.00 - $69.24 |
| Q3 2016 | 343,168 | $19,499 | $51.33 | $43.19 - $57.47 |
| Q2 2016 | 323,431 | $14,357 | $51.75 | $42.56 - $60.47 |
| Q1 2016 | 294,393 | $16,980 | $48.21 | $37.53 - $63.82 |
| Q4 2015 | 354,162 | $15,528 | $47.01 | $38.20 - $52.90 |
| Q3 2015 | 22,853 | $895 | $48.50 | $38.08 - $57.84 |
| Q2 2015 | 10,974 | $628 | $62.99 | $56.87 - $69.26 |
| Q1 2015 | 11,448 | $755 | $64.00 | $58.99 - $70.23 |
| Q4 2014 | 13,760 | $864 | $62.99 | $57.15 - $67.78 |
| Q3 2014 | 10,815 | $654 | $68.11 | $60.32 - $75.08 |
| Q2 2014 | 10,766 | $788 | $71.99 | $66.59 - $75.78 |
| Q1 2014 | 10,877 | $791 | $70.90 | $56.30 - $80.00 |
| Q4 2013 | 20,770 | $1,197 | $57.38 | $53.39 - $61.24 |
| Q3 2013 | 20,319 | $1,224 | $57.92 | $51.01 - $60.56 |
| Q2 2013 | 11,453 | $582 | $49.52 | $44.76 - $51.74 |