US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

NewMarket

601.92

-8.5100-1.39%

Volume:67.67K

Turnover:40.62M

Market Cap:5.66B

PE:13.54

High:609.38

Open:608.78

Low:594.95

Close:610.43

52wk High:875.97

52wk Low:510.07

Shares:9.40M

Float Shares:7.78M

Volume Ratio:1.06

T/O Rate:0.87%

Dividend:11.25

Dividend Rate:1.87%

EPS(TTM):44.44

EPS(LYR):44.44

ROE:25.85%

ROA:11.27%

PB:3.18

PE(LYR):13.54

Loading ...

Overview Company News Filings

Major Issues Report

Form 8-K - Current report

Annual Report

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Quarterly Report

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Quarterly Report

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Form 8-K - Current report

Employee Stock Ownership

Form 11-K - Annual report of employee stock purchase, savings and similar plans

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Major Issues Report

Form 8-K - Current report

Quarterly Report

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Annual Report

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K/A - Current report: [Amend]

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.be62fbe1.png","ogUrl":"https://www-web.itiger.com/stock/NEU/filings"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"NEU","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NEU\",,,,,undefined,":{"symbol":"NEU","market":"US","secType":"STK","nameCN":"NewMarket","latestPrice":601.92,"timestamp":1771866776175,"preClose":610.43,"halted":0,"volume":67668,"delay":0,"changeRate":-0.013940992415182726,"floatShares":7780632,"shares":9397122,"eps":44.440002,"marketStatus":"Trading","change":-8.51,"latestTime":"02-23 12:13:01 EST","open":608.78,"high":609.38,"low":594.95,"amount":40616485.4424,"amplitude":0.023639,"askPrice":602.16,"askSize":20,"bidPrice":601.17,"bidSize":10,"shortable":3,"etf":0,"ttmEps":44.440002,"tradingStatus":2,"nextMarketStatus":{"tag":"Post-Mkt","tradingStatus":3,"beginTime":1771880400000},"marketStatusCode":2,"adr":0,"adrRate":0,"exchange":"NYSE","adjPreClose":610.43,"dividendRate":0.01869,"postHourTrading":{"tag":"盘后","latestPrice":610.43,"preClose":610.43,"latestTime":"18:15 EST","volume":2185,"amount":1334144.06,"timestamp":1771629359088,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":1.059563,"impliedVol":0.322,"impliedVolPercentile":0.8725},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NEU\",,,,,undefined,":{"symbol":"NEU","floatShares":7780632,"roa":"11.27%","roe":"25.85%","lyrEps":44.440003,"volumeRatio":1.059563,"shares":9397122,"dividePrice":11.25,"high":609.38,"amplitude":0.023639,"preClose":610.43,"low":594.95,"week52Low":510.07,"pbRate":"3.18","psRate":"2.08","week52High":875.97,"institutionHeld":0,"latestPrice":601.92,"committee":-0.333333,"eps":44.440002,"divideRate":0.01869,"volume":67668,"delay":0,"ttmEps":44.440002,"open":608.78,"prevYearClose":687.26,"prevWeekClose":610.43,"prevMonthClose":670.79,"prevQuarterClose":687.26,"fiveDayClose":592.8,"twentyDayClose":649.38,"sixtyDayClose":754.05,"dividendPayoutRate":0.2531392985732799,"dividendFrequency":"Q","dividendGrowthYears":10,"dividendGrowthRate":0.125,"fiveYearAvgDividendRate":0.02023121949495014},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/NEU\",params:#limit:5,,,undefined,":[{"date":"2026-02-11","symbol":"NEU","type":"earning","reportTimeType":"post","market":"US","fiscalQuarterEnding":"2025/12","expectedEps":null,"defaultRemindTime":1770843600000,"name":null,"time":"Post Market","dateTimestamp":1770786000000,"actualEps":null},{"date":"2025-12-15","symbol":"NEU","amount":3,"announcedDate":null,"type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2025-12-15","defaultRemindTime":1765809000000,"name":"NewMarket","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-01-02","payableDate":"2025-12-15","currency":"USD","dateTimestamp":1765774800000,"payDate":"2026-01-02"},{"market":"US","date":"2025-10-30","symbol":"NEU","fiscalQuarterEnding":"2025/09","expectedEps":null,"name":null,"time":"Post Market","type":"earning","dateTimestamp":1761796800000,"reportTimeType":"post","actualEps":10.67},{"date":"2025-09-15","symbol":"NEU","amount":2.75,"announcedDate":"2025-08-07","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2025-09-15","defaultRemindTime":1757943000000,"name":"NewMarket","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2025-10-01","payableDate":"2025-09-15","currency":"USD","dateTimestamp":1757908800000,"payDate":"2025-10-01"},{"date":"2025-07-30","symbol":"NEU","type":"earning","reportTimeType":"post","market":"US","fiscalQuarterEnding":"2025/06","expectedEps":null,"defaultRemindTime":1753905600000,"name":null,"time":"Post Market","dateTimestamp":1753848000000,"actualEps":null}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"NEU\",market:\"US\",,,undefined,":[{"executeDate":"2016-03-11","recordDate":"2016-03-15","paymentDate":"2016-04-01","value":1.6,"currency":"USD"},{"executeDate":"2016-06-13","recordDate":"2016-06-15","paymentDate":"2016-07-01","value":1.6,"currency":"USD"},{"executeDate":"2016-09-13","recordDate":"2016-09-15","paymentDate":"2016-10-01","value":1.6,"currency":"USD"},{"executeDate":"2016-12-13","recordDate":"2016-12-15","paymentDate":"2017-01-02","value":1.6,"currency":"USD"},{"executeDate":"2017-03-13","recordDate":"2017-03-15","paymentDate":"2017-04-03","value":1.75,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"NEU\",market:\"US\",delay:false,,,undefined,":{},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/NEU\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"NEU","date":"2026-02-20","current":13.544554,"percent":0.488221,"low":9.983651,"twenty":12.343149,"median":13.797953,"eighty":15.639601,"high":19.930074,"avg":14.073887,"sd":1.899231,"marketCap":5704575842},"quantilePoints":[{"date":"2021-02-26","current":15.297338,"twenty":18.329587,"median":20.481621,"eighty":23.485861,"marketCap":4138970191},{"date":"2021-03-05","current":15.663041,"twenty":18.287141,"median":20.481975,"eighty":23.486047,"marketCap":4237917549},{"date":"2021-03-12","current":15.753589,"twenty":18.218049,"median":20.481975,"eighty":23.486047,"marketCap":4262417186},{"date":"2021-03-19","current":15.708757,"twenty":18.186689,"median":20.481975,"eighty":23.486047,"marketCap":4250286935},{"date":"2021-03-26","current":15.666752,"twenty":18.143658,"median":20.481621,"eighty":23.485861,"marketCap":4238921655},{"date":"2021-04-01","current":15.46965,"twenty":18.07371,"median":20.481621,"eighty":23.485861,"marketCap":4185592263},{"date":"2021-04-09","current":15.600109,"twenty":17.98894,"median":20.481975,"eighty":23.486047,"marketCap":4220890200},{"date":"2021-04-16","current":15.658674,"twenty":17.953648,"median":20.481975,"eighty":23.486047,"marketCap":4236736024},{"date":"2021-04-23","current":15.282058,"twenty":17.830949,"median":20.481267,"eighty":23.486047,"marketCap":3892936299},{"date":"2021-04-30","current":14.868508,"twenty":17.809863,"median":20.481267,"eighty":23.486047,"marketCap":3787588894},{"date":"2021-05-07","current":15.124618,"twenty":17.778392,"median":20.481267,"eighty":23.486047,"marketCap":3852829974},{"date":"2021-05-14","current":15.133627,"twenty":17.72392,"median":20.481267,"eighty":23.486047,"marketCap":3855124886},{"date":"2021-05-21","current":14.798153,"twenty":17.674518,"median":20.481267,"eighty":23.486047,"marketCap":3769666722},{"date":"2021-05-28","current":14.724366,"twenty":17.546989,"median":20.481267,"eighty":23.486047,"marketCap":3750870297},{"date":"2021-06-04","current":14.775416,"twenty":17.475294,"median":20.481267,"eighty":23.486047,"marketCap":3763874800},{"date":"2021-06-11","current":14.433937,"twenty":17.441222,"median":20.481267,"eighty":23.486047,"marketCap":3676886694},{"date":"2021-06-18","current":13.166688,"twenty":17.37662,"median":20.481267,"eighty":23.486047,"marketCap":3354069025},{"date":"2021-06-25","current":14.198848,"twenty":17.312881,"median":20.481267,"eighty":23.486047,"marketCap":3617000410},{"date":"2021-07-02","current":13.55836,"twenty":17.229536,"median":20.48079,"eighty":23.486047,"marketCap":3453843071},{"date":"2021-07-09","current":13.339144,"twenty":17.197876,"median":20.48079,"eighty":23.486047,"marketCap":3398000204},{"date":"2021-07-16","current":13.308685,"twenty":17.180231,"median":20.474596,"eighty":23.486047,"marketCap":3390241215},{"date":"2021-07-23","current":13.015682,"twenty":17.117556,"median":20.456924,"eighty":23.486047,"marketCap":3315601923},{"date":"2021-07-30","current":12.141383,"twenty":17.076243,"median":20.443809,"eighty":23.486047,"marketCap":3452305232},{"date":"2021-08-06","current":12.599505,"twenty":17.019274,"median":20.4398,"eighty":23.486047,"marketCap":3582568530},{"date":"2021-08-13","current":13.152557,"twenty":16.98385,"median":20.428151,"eighty":23.486047,"marketCap":3739824306},{"date":"2021-08-20","current":13.19637,"twenty":16.962248,"median":20.411895,"eighty":23.486047,"marketCap":3752282373},{"date":"2021-08-27","current":13.289378,"twenty":16.927447,"median":20.387719,"eighty":23.486047,"marketCap":3778728445},{"date":"2021-09-03","current":13.30014,"twenty":16.868653,"median":20.373338,"eighty":23.486047,"marketCap":3781788321},{"date":"2021-09-10","current":12.858928,"twenty":16.831565,"median":20.364492,"eighty":23.486047,"marketCap":3656333400},{"date":"2021-09-17","current":12.453075,"twenty":16.768353,"median":20.331429,"eighty":23.486047,"marketCap":3540932358},{"date":"2021-09-24","current":12.945787,"twenty":16.704936,"median":20.32606,"eighty":23.486047,"marketCap":3681030972},{"date":"2021-10-01","current":13.295143,"twenty":16.637202,"median":20.308692,"eighty":23.486047,"marketCap":3780367664},{"date":"2021-10-08","current":13.63566,"twenty":16.576952,"median":20.297483,"eighty":23.486047,"marketCap":3877190887},{"date":"2021-10-15","current":14.360892,"twenty":16.519919,"median":20.246017,"eighty":23.486047,"marketCap":4083404682},{"date":"2021-10-22","current":14.410855,"twenty":16.459158,"median":20.221503,"eighty":23.486047,"marketCap":4097611249},{"date":"2021-10-29","current":14.793021,"twenty":16.401851,"median":20.200672,"eighty":23.486047,"marketCap":3558993813},{"date":"2021-11-05","current":14.698175,"twenty":16.356544,"median":20.200672,"eighty":23.486047,"marketCap":3536175053},{"date":"2021-11-12","current":14.913102,"twenty":16.295973,"median":20.190836,"eighty":23.486047,"marketCap":3587883619},{"date":"2021-11-19","current":15.128465,"twenty":16.247706,"median":20.162361,"eighty":23.486047,"marketCap":3639696858},{"date":"2021-11-26","current":14.803898,"twenty":16.213458,"median":20.131966,"eighty":23.486047,"marketCap":3561610643},{"date":"2021-12-03","current":14.360556,"twenty":16.15411,"median":20.101083,"eighty":23.486047,"marketCap":3454948642},{"date":"2021-12-10","current":14.363166,"twenty":16.112971,"median":20.07221,"eighty":23.486047,"marketCap":3455576681},{"date":"2021-12-17","current":14.953999,"twenty":16.031188,"median":20.039478,"eighty":23.486047,"marketCap":3597722900},{"date":"2021-12-23","current":14.916148,"twenty":15.997259,"median":19.997359,"eighty":23.486047,"marketCap":3588616331},{"date":"2021-12-31","current":14.910927,"twenty":15.965774,"median":19.916528,"eighty":23.486047,"marketCap":3587360253},{"date":"2022-01-07","current":14.897875,"twenty":15.910803,"median":19.887028,"eighty":23.485861,"marketCap":3584220056},{"date":"2022-01-14","current":15.246806,"twenty":15.799465,"median":19.838567,"eighty":23.485861,"marketCap":3668167971},{"date":"2022-01-21","current":14.639439,"twenty":15.778203,"median":19.80493,"eighty":23.485861,"marketCap":3522044170},{"date":"2022-01-28","current":14.572438,"twenty":15.730336,"median":19.75546,"eighty":23.485861,"marketCap":3505924495},{"date":"2022-02-04","current":16.183407,"twenty":15.71616,"median":19.735914,"eighty":23.485861,"marketCap":3089541937},{"date":"2022-02-11","current":16.981884,"twenty":15.71616,"median":19.671621,"eighty":23.485861,"marketCap":3241977577},{"date":"2022-02-18","current":17.359928,"twenty":15.71616,"median":19.605064,"eighty":23.485861,"marketCap":3314149208},{"date":"2022-02-25","current":17.00925,"twenty":15.71616,"median":19.583741,"eighty":23.485861,"marketCap":3247201924},{"date":"2022-03-04","current":18.041773,"twenty":15.71616,"median":19.494519,"eighty":23.485861,"marketCap":3444318732},{"date":"2022-03-11","current":17.275917,"twenty":15.71616,"median":19.466003,"eighty":23.485861,"marketCap":3298110832},{"date":"2022-03-18","current":17.776731,"twenty":15.71616,"median":19.374094,"eighty":23.485861,"marketCap":3393720245},{"date":"2022-03-25","current":17.848818,"twenty":15.71616,"median":19.322588,"eighty":23.485861,"marketCap":3407482206},{"date":"2022-04-01","current":18.14638,"twenty":15.71616,"median":19.310422,"eighty":23.485861,"marketCap":3464289097},{"date":"2022-04-08","current":17.634726,"twenty":15.71616,"median":19.205525,"eighty":23.485861,"marketCap":3366610217},{"date":"2022-04-14","current":17.971312,"twenty":15.71616,"median":19.166507,"eighty":23.485861,"marketCap":3430867192},{"date":"2022-04-22","current":17.682964,"twenty":15.71616,"median":19.085568,"eighty":23.485861,"marketCap":3375819348},{"date":"2022-04-29","current":18.440559,"twenty":15.71616,"median":18.993398,"eighty":23.452438,"marketCap":3328779140},{"date":"2022-05-06","current":19.088175,"twenty":15.71616,"median":18.993398,"eighty":23.452438,"marketCap":3445682755},{"date":"2022-05-13","current":18.859805,"twenty":15.71616,"median":18.956655,"eighty":23.452438,"marketCap":3404458848},{"date":"2022-05-20","current":19.162594,"twenty":15.71616,"median":18.956655,"eighty":23.452438,"marketCap":3459116415},{"date":"2022-05-27","current":19.175091,"twenty":15.71616,"median":18.937342,"eighty":23.394324,"marketCap":3461372450},{"date":"2022-06-03","current":18.652455,"twenty":15.71616,"median":18.922401,"eighty":23.372481,"marketCap":3367029183},{"date":"2022-06-10","current":17.561166,"twenty":15.71616,"median":18.875122,"eighty":23.229199,"marketCap":3170036338},{"date":"2022-06-17","current":16.434088,"twenty":15.71616,"median":18.859521,"eighty":23.187401,"marketCap":2966583030},{"date":"2022-06-24","current":17.093633,"twenty":15.715191,"median":18.834856,"eighty":23.150024,"marketCap":3085640132},{"date":"2022-07-01","current":17.209522,"twenty":15.715191,"median":18.78414,"eighty":23.150024,"marketCap":3106559726},{"date":"2022-07-08","current":17.020919,"twenty":15.715191,"median":18.746188,"eighty":23.150024,"marketCap":3072514112},{"date":"2022-07-15","current":17.154418,"twenty":15.715191,"median":18.719488,"eighty":23.150024,"marketCap":3096612664},{"date":"2022-07-22","current":17.373699,"twenty":15.715191,"median":18.68916,"eighty":23.094222,"marketCap":3136195818},{"date":"2022-07-29","current":17.656036,"twenty":15.715191,"median":18.670274,"eighty":22.889448,"marketCap":3187161692},{"date":"2022-08-05","current":15.417401,"twenty":15.706882,"median":18.651318,"eighty":21.471553,"marketCap":3006917413},{"date":"2022-08-12","current":15.654592,"twenty":15.668232,"median":18.602676,"eighty":21.428378,"marketCap":3053177681},{"date":"2022-08-19","current":15.503652,"twenty":15.657041,"median":18.565302,"eighty":21.428378,"marketCap":3023739329},{"date":"2022-08-26","current":14.767437,"twenty":15.641236,"median":18.543469,"eighty":21.428378,"marketCap":2880152263},{"date":"2022-09-02","current":14.448615,"twenty":15.609912,"median":18.502834,"eighty":21.428378,"marketCap":2817971254},{"date":"2022-09-09","current":15.589904,"twenty":15.591403,"median":18.467512,"eighty":21.428378,"marketCap":3040561244},{"date":"2022-09-16","current":15.255167,"twenty":15.565071,"median":18.435942,"eighty":21.428378,"marketCap":2975276191},{"date":"2022-09-23","current":15.040052,"twenty":15.544011,"median":18.421862,"eighty":21.428378,"marketCap":2933321532},{"date":"2022-09-30","current":15.444611,"twenty":15.520864,"median":18.375205,"eighty":21.428378,"marketCap":3012224327},{"date":"2022-10-07","current":15.284431,"twenty":15.517745,"median":18.331487,"eighty":21.428378,"marketCap":2980983626},{"date":"2022-10-14","current":15.773187,"twenty":15.517745,"median":18.303768,"eighty":21.428378,"marketCap":3076307815},{"date":"2022-10-21","current":15.89897,"twenty":15.517745,"median":18.25582,"eighty":21.428378,"marketCap":3100839775},{"date":"2022-10-28","current":14.517415,"twenty":15.487203,"median":18.214486,"eighty":21.428378,"marketCap":2993810323},{"date":"2022-11-04","current":14.362322,"twenty":15.460164,"median":18.175299,"eighty":21.428378,"marketCap":2961826857},{"date":"2022-11-11","current":14.58443,"twenty":15.43691,"median":18.146271,"eighty":21.428378,"marketCap":3007630339},{"date":"2022-11-18","current":14.769201,"twenty":15.411266,"median":18.061606,"eighty":21.428378,"marketCap":3045734097},{"date":"2022-11-25","current":15.211023,"twenty":15.358064,"median":18.008389,"eighty":21.428378,"marketCap":3136847488},{"date":"2022-12-02","current":15.449405,"twenty":15.326002,"median":17.973555,"eighty":21.428378,"marketCap":3186007260},{"date":"2022-12-09","current":15.101883,"twenty":15.299759,"median":17.924699,"eighty":21.428378,"marketCap":3114340605},{"date":"2022-12-16","current":14.527467,"twenty":15.286626,"median":17.8602,"eighty":21.428378,"marketCap":2995883325},{"date":"2022-12-23","current":14.84196,"twenty":15.263735,"median":17.820675,"eighty":21.428378,"marketCap":3060738686},{"date":"2022-12-30","current":14.892221,"twenty":15.251823,"median":17.811483,"eighty":21.428378,"marketCap":3071103698},{"date":"2023-01-06","current":16.095624,"twenty":15.251823,"median":17.782939,"eighty":21.428378,"marketCap":3319271700},{"date":"2023-01-13","current":16.490535,"twenty":15.251823,"median":17.770504,"eighty":21.428378,"marketCap":3400711080},{"date":"2023-01-20","current":16.409638,"twenty":15.251823,"median":17.750173,"eighty":21.428378,"marketCap":3384028346},{"date":"2023-01-27","current":16.279916,"twenty":15.251823,"median":17.723615,"eighty":21.428378,"marketCap":3357276744},{"date":"2023-02-03","current":12.556585,"twenty":15.212718,"median":17.712305,"eighty":21.428378,"marketCap":3510042741},{"date":"2023-02-10","current":12.016879,"twenty":15.16521,"median":17.663989,"eighty":21.181903,"marketCap":3359174355},{"date":"2023-02-17","current":11.923931,"twenty":15.133129,"median":17.610589,"eighty":21.015425,"marketCap":3333191904},{"date":"2023-02-24","current":11.838001,"twenty":15.12536,"median":17.581609,"eighty":20.995546,"marketCap":3309170994},{"date":"2023-03-03","current":12.23543,"twenty":15.087808,"median":17.561166,"eighty":20.91561,"marketCap":3420267705},{"date":"2023-03-10","current":11.779988,"twenty":15.060832,"median":17.515883,"eighty":20.870007,"marketCap":3292954229},{"date":"2023-03-17","current":11.943854,"twenty":15.04125,"median":17.479166,"eighty":20.761768,"marketCap":3338760991},{"date":"2023-03-24","current":12.292026,"twenty":15.010505,"median":17.4602,"eighty":20.713099,"marketCap":3436088257},{"date":"2023-03-31","current":12.644355,"twenty":14.993069,"median":17.42734,"eighty":20.66862,"marketCap":3534577638},{"date":"2023-04-06","current":12.580956,"twenty":14.96215,"median":17.381477,"eighty":20.617567,"marketCap":3516855360},{"date":"2023-04-14","current":12.77323,"twenty":14.93191,"median":17.359928,"eighty":20.564752,"marketCap":3570603253},{"date":"2023-04-21","current":12.805103,"twenty":14.915539,"median":17.319731,"eighty":20.531839,"marketCap":3579512814},{"date":"2023-04-26","current":12.652323,"twenty":14.911797,"median":17.308334,"eighty":20.530436,"marketCap":3536805029},{"date":"2023-05-12","current":11.82122,"twenty":14.892221,"median":17.244414,"eighty":20.497809,"marketCap":3756819278},{"date":"2023-05-19","current":12.068076,"twenty":14.84175,"median":17.21407,"eighty":20.48079,"marketCap":3835270844},{"date":"2023-05-26","current":12.013859,"twenty":14.803898,"median":17.188091,"eighty":20.448775,"marketCap":3818040377},{"date":"2023-06-02","current":12.072317,"twenty":14.793135,"median":17.17631,"eighty":20.43694,"marketCap":3836618478},{"date":"2023-06-09","current":12.184386,"twenty":14.785625,"median":17.128254,"eighty":20.419439,"marketCap":3872234526},{"date":"2023-06-16","current":12.343707,"twenty":14.767437,"median":17.099175,"eighty":20.389683,"marketCap":3922867071},{"date":"2023-06-23","current":12.144405,"twenty":14.742798,"median":17.088521,"eighty":20.366619,"marketCap":3859528261},{"date":"2023-06-30","current":12.261926,"twenty":14.72193,"median":17.050076,"eighty":20.337464,"marketCap":3896876981},{"date":"2023-07-07","current":12.623275,"twenty":14.705307,"median":17.033509,"eighty":20.326531,"marketCap":4011714672},{"date":"2023-07-14","current":13.147882,"twenty":14.680424,"median":17.00335,"eighty":20.300165,"marketCap":4178436282},{"date":"2023-07-21","current":13.208157,"twenty":14.642519,"median":16.985919,"eighty":20.232486,"marketCap":4197591941},{"date":"2023-07-28","current":12.217055,"twenty":14.613074,"median":16.978384,"eighty":20.189148,"marketCap":4287636434},{"date":"2023-08-04","current":12.511326,"twenty":14.588738,"median":16.948398,"eighty":20.161963,"marketCap":4390912538},{"date":"2023-08-11","current":12.830735,"twenty":14.570725,"median":16.932772,"eighty":20.121631,"marketCap":4503010742},{"date":"2023-08-18","current":12.562421,"twenty":14.51855,"median":16.873418,"eighty":20.096447,"marketCap":4408844415},{"date":"2023-08-25","current":12.502583,"twenty":14.453708,"median":16.838231,"eighty":20.057715,"marketCap":4387843981},{"date":"2023-09-01","current":12.832102,"twenty":14.412784,"median":16.801226,"eighty":20.007845,"marketCap":4503490203},{"date":"2023-09-08","current":12.377442,"twenty":14.399278,"median":16.738963,"eighty":19.9594,"marketCap":4343925267},{"date":"2023-09-15","current":12.292194,"twenty":14.369266,"median":16.700171,"eighty":19.911101,"marketCap":4314006841},{"date":"2023-09-22","current":12.431816,"twenty":14.357433,"median":16.65226,"eighty":19.865746,"marketCap":4363007852},{"date":"2023-09-29","current":12.651495,"twenty":14.255702,"median":16.631011,"eighty":19.825714,"marketCap":4440105334},{"date":"2023-10-06","current":12.533185,"twenty":14.200866,"median":16.574973,"eighty":19.777994,"marketCap":4398583929},{"date":"2023-10-13","current":12.332359,"twenty":14.122121,"median":16.544902,"eighty":19.744387,"marketCap":4328103022},{"date":"2023-10-20","current":12.155304,"twenty":13.812497,"median":16.511266,"eighty":19.709948,"marketCap":4265964753},{"date":"2023-10-27","current":11.593003,"twenty":13.77305,"median":16.488444,"eighty":19.623023,"marketCap":4625329827},{"date":"2023-11-03","current":11.558149,"twenty":13.553451,"median":16.458886,"eighty":19.588,"marketCap":4611424108},{"date":"2023-11-10","current":11.917982,"twenty":13.474005,"median":16.436509,"eighty":19.499584,"marketCap":4754988668},{"date":"2023-11-17","current":12.266517,"twenty":13.396389,"median":16.400118,"eighty":19.467969,"marketCap":4894045858},{"date":"2023-11-24","current":12.551835,"twenty":13.360985,"median":16.373627,"eighty":19.421387,"marketCap":5007880950},{"date":"2023-11-30","current":12.547508,"twenty":13.31753,"median":16.349222,"eighty":19.361387,"marketCap":5006154723},{"date":"2023-12-08","current":13.104684,"twenty":13.288763,"median":16.303375,"eighty":19.321807,"marketCap":5228454423},{"date":"2023-12-15","current":13.425336,"twenty":13.285641,"median":16.265076,"eighty":19.308447,"marketCap":5356387038},{"date":"2023-12-22","current":13.291451,"twenty":13.272049,"median":16.243693,"eighty":19.223719,"marketCap":5302969896},{"date":"2023-12-29","current":13.215494,"twenty":13.261707,"median":16.22464,"eighty":19.173843,"marketCap":5272665019},{"date":"2024-01-05","current":13.320295,"twenty":13.25809,"median":16.183407,"eighty":19.162761,"marketCap":5314478078},{"date":"2024-01-12","current":13.549367,"twenty":13.25809,"median":16.151465,"eighty":19.088629,"marketCap":5405872217},{"date":"2024-01-19","current":14.320231,"twenty":13.25744,"median":16.110138,"eighty":19.016675,"marketCap":5713428359},{"date":"2024-01-26","current":13.504899,"twenty":13.25809,"median":16.043236,"eighty":18.992327,"marketCap":5388130437},{"date":"2024-02-02","current":14.639984,"twenty":13.25809,"median":16.009648,"eighty":18.953967,"marketCap":5692962752},{"date":"2024-02-09","current":14.50607,"twenty":13.25809,"median":15.976494,"eighty":18.922337,"marketCap":5640888585},{"date":"2024-02-16","current":14.75189,"twenty":13.25809,"median":15.958509,"eighty":18.861184,"marketCap":5736479012},{"date":"2024-02-23","current":15.270279,"twenty":13.25809,"median":15.912197,"eighty":18.82134,"marketCap":5938061821},{"date":"2024-03-01","current":15.824674,"twenty":13.25874,"median":15.879974,"eighty":18.78141,"marketCap":6153646100},{"date":"2024-03-08","current":15.379037,"twenty":13.25874,"median":15.828708,"eighty":18.732501,"marketCap":5980353932},{"date":"2024-03-15","current":15.286861,"twenty":13.25874,"median":15.789114,"eighty":18.686911,"marketCap":5944509782},{"date":"2024-03-22","current":15.430381,"twenty":13.25874,"median":15.758511,"eighty":18.639935,"marketCap":6000319572},{"date":"2024-03-28","current":15.525321,"twenty":13.25874,"median":15.7326,"eighty":18.564182,"marketCap":6037238419},{"date":"2024-04-05","current":15.214607,"twenty":13.25809,"median":15.707786,"eighty":18.441567,"marketCap":5916413100},{"date":"2024-04-12","current":14.798103,"twenty":13.25809,"median":15.695664,"eighty":18.424243,"marketCap":5754449637},{"date":"2024-04-19","current":14.386038,"twenty":13.25809,"median":15.666752,"eighty":18.390701,"marketCap":5594212251},{"date":"2024-04-26","current":12.830148,"twenty":13.25549,"median":15.651329,"eighty":18.321448,"marketCap":5119395857},{"date":"2024-05-03","current":12.972735,"twenty":13.222029,"median":15.643667,"eighty":18.279799,"marketCap":5176289760},{"date":"2024-05-10","current":13.592614,"twenty":13.215494,"median":15.628685,"eighty":18.218811,"marketCap":5423629525},{"date":"2024-05-17","current":13.390876,"twenty":13.215494,"median":15.6038,"eighty":18.194282,"marketCap":5343133767},{"date":"2024-05-24","current":13.037896,"twenty":13.19637,"median":15.589458,"eighty":18.14638,"marketCap":5202290177},{"date":"2024-05-31","current":12.865735,"twenty":13.166688,"median":15.582584,"eighty":18.084546,"marketCap":5133595347},{"date":"2024-06-07","current":12.870063,"twenty":13.147882,"median":15.554544,"eighty":18.008389,"marketCap":5135322312},{"date":"2024-06-14","current":12.592343,"twenty":13.104131,"median":15.53713,"eighty":17.973555,"marketCap":5024508725},{"date":"2024-06-21","current":12.571184,"twenty":13.093417,"median":15.522157,"eighty":17.904477,"marketCap":5016065785},{"date":"2024-06-28","current":12.396858,"twenty":13.073946,"median":15.509813,"eighty":17.859333,"marketCap":4946507472},{"date":"2024-07-05","current":12.240806,"twenty":13.063255,"median":15.474497,"eighty":17.822515,"marketCap":4884240790},{"date":"2024-07-12","current":12.896272,"twenty":13.023652,"median":15.461452,"eighty":17.808243,"marketCap":5145780045},{"date":"2024-07-19","current":12.967685,"twenty":13.019107,"median":15.444611,"eighty":17.777295,"marketCap":5174274967},{"date":"2024-07-26","current":13.510139,"twenty":13.019107,"median":15.427669,"eighty":17.755677,"marketCap":5390721247},{"date":"2024-08-02","current":12.859794,"twenty":12.998537,"median":15.414618,"eighty":17.733696,"marketCap":5285491140},{"date":"2024-08-09","current":12.744947,"twenty":12.934438,"median":15.379037,"eighty":17.718884,"marketCap":5238288118},{"date":"2024-08-16","current":12.818011,"twenty":12.895505,"median":15.343405,"eighty":17.672294,"marketCap":5268317683},{"date":"2024-08-23","current":13.142709,"twenty":12.884516,"median":15.322074,"eighty":17.635219,"marketCap":5401771753},{"date":"2024-08-30","current":13.393411,"twenty":12.884516,"median":15.295534,"eighty":17.588979,"marketCap":5504812494},{"date":"2024-09-06","current":12.493312,"twenty":12.874816,"median":15.286861,"eighty":17.566042,"marketCap":5134863613},{"date":"2024-09-13","current":13.006854,"twenty":12.874816,"median":15.264921,"eighty":17.543023,"marketCap":5345934033},{"date":"2024-09-20","current":12.607925,"twenty":12.870272,"median":15.255167,"eighty":17.490552,"marketCap":5181970693},{"date":"2024-09-27","current":12.902278,"twenty":12.869342,"median":15.214607,"eighty":17.465578,"marketCap":5302952420},{"date":"2024-10-04","current":12.355122,"twenty":12.858774,"median":15.173685,"eighty":17.440681,"marketCap":5078066481},{"date":"2024-10-11","current":12.26035,"twenty":12.83969,"median":15.164548,"eighty":17.382717,"marketCap":5039114395},{"date":"2024-10-18","current":12.255448,"twenty":12.82513,"median":15.136058,"eighty":17.356046,"marketCap":5037099632},{"date":"2024-10-25","current":11.961231,"twenty":12.803956,"median":15.125854,"eighty":17.316676,"marketCap":5168256725},{"date":"2024-11-01","current":11.778473,"twenty":12.784598,"median":15.096907,"eighty":17.276595,"marketCap":5089289784},{"date":"2024-11-08","current":12.375824,"twenty":12.760915,"median":15.066274,"eighty":17.236092,"marketCap":5347395580},{"date":"2024-11-15","current":12.204835,"twenty":12.746542,"median":15.050402,"eighty":17.212364,"marketCap":5273513995},{"date":"2024-11-22","current":12.050279,"twenty":12.727347,"median":15.035432,"eighty":17.186506,"marketCap":5206732719},{"date":"2024-11-29","current":11.826733,"twenty":12.718535,"median":15.005357,"eighty":17.175408,"marketCap":5110142087},{"date":"2024-12-06","current":11.909633,"twenty":12.691477,"median":14.988627,"eighty":17.128111,"marketCap":5145961735},{"date":"2024-12-13","current":12.004945,"twenty":12.661497,"median":14.932857,"eighty":17.098069,"marketCap":5187144753},{"date":"2024-12-20","current":11.606849,"twenty":12.640264,"median":14.916148,"eighty":17.086721,"marketCap":5015133823},{"date":"2024-12-27","current":11.790825,"twenty":12.607471,"median":14.905706,"eighty":17.048231,"marketCap":5094626625},{"date":"2025-01-03","current":11.234022,"twenty":12.600893,"median":14.892221,"eighty":17.032911,"marketCap":4854041181},{"date":"2025-01-10","current":10.704483,"twenty":12.586284,"median":14.855234,"eighty":17.002563,"marketCap":4625235996},{"date":"2025-01-17","current":10.985101,"twenty":12.570982,"median":14.817629,"eighty":16.985741,"marketCap":4746486463},{"date":"2025-01-24","current":11.021231,"twenty":12.563896,"median":14.801189,"eighty":16.980708,"marketCap":4762097700},{"date":"2025-01-31","current":11.038964,"twenty":12.550104,"median":14.793021,"eighty":16.953477,"marketCap":4769759656},{"date":"2025-02-07","current":10.629193,"twenty":12.530965,"median":14.779967,"eighty":16.93947,"marketCap":4915076867},{"date":"2025-02-14","current":11.173186,"twenty":12.517139,"median":14.75701,"eighty":16.879856,"marketCap":5166626545},{"date":"2025-02-21","current":11.298628,"twenty":12.513892,"median":14.745874,"eighty":16.84803,"marketCap":5224632510},{"date":"2025-02-28","current":11.743133,"twenty":12.501873,"median":14.724105,"eighty":16.826836,"marketCap":5430177456},{"date":"2025-03-07","current":11.242807,"twenty":12.478791,"median":14.700342,"eighty":16.739362,"marketCap":5198820331},{"date":"2025-03-14","current":10.775372,"twenty":12.454063,"median":14.679901,"eighty":16.719034,"marketCap":4982672037},{"date":"2025-03-21","current":10.90174,"twenty":12.445873,"median":14.644573,"eighty":16.682888,"marketCap":5041106450},{"date":"2025-03-28","current":11.327413,"twenty":12.435264,"median":14.630383,"eighty":16.682888,"marketCap":5237943150},{"date":"2025-04-04","current":11.190172,"twenty":12.417689,"median":14.603099,"eighty":16.650005,"marketCap":5174481100},{"date":"2025-04-11","current":11.562508,"twenty":12.407064,"median":14.58802,"eighty":16.626274,"marketCap":5346653924},{"date":"2025-04-17","current":11.570919,"twenty":12.388463,"median":14.576041,"eighty":16.575088,"marketCap":5350543228},{"date":"2025-04-25","current":11.796911,"twenty":12.360408,"median":14.520434,"eighty":16.561269,"marketCap":5669949415},{"date":"2025-05-02","current":12.327103,"twenty":12.345539,"median":14.508783,"eighty":16.54339,"marketCap":5924775422},{"date":"2025-05-09","current":12.454498,"twenty":12.343283,"median":14.465442,"eighty":16.533925,"marketCap":5986005366},{"date":"2025-05-16","current":12.765036,"twenty":12.343283,"median":14.430456,"eighty":16.513567,"marketCap":6135259251},{"date":"2025-05-23","current":12.70124,"twenty":12.343283,"median":14.408933,"eighty":16.479218,"marketCap":6104597107},{"date":"2025-05-30","current":12.486298,"twenty":12.343283,"median":14.392754,"eighty":16.447762,"marketCap":6001289266},{"date":"2025-06-06","current":12.543812,"twenty":12.343283,"median":14.373637,"eighty":16.432775,"marketCap":6028932369},{"date":"2025-06-13","current":12.856117,"twenty":12.343283,"median":14.360579,"eighty":16.380343,"marketCap":6179035359},{"date":"2025-06-20","current":12.735592,"twenty":12.343149,"median":14.324035,"eighty":16.385417,"marketCap":6121107492},{"date":"2025-06-27","current":13.364912,"twenty":12.343149,"median":14.247424,"eighty":16.385417,"marketCap":6423577755},{"date":"2025-07-03","current":14.472406,"twenty":12.343149,"median":14.230661,"eighty":16.385417,"marketCap":6955872583},{"date":"2025-07-11","current":14.419407,"twenty":12.343149,"median":14.230661,"eighty":16.385417,"marketCap":6930399417},{"date":"2025-07-18","current":14.478099,"twenty":12.343149,"median":14.227363,"eighty":16.357054,"marketCap":6958608590},{"date":"2025-07-25","current":14.112402,"twenty":12.343149,"median":14.214657,"eighty":16.283879,"marketCap":6782843743},{"date":"2025-08-01","current":13.441801,"twenty":12.343149,"median":14.187988,"eighty":16.239668,"marketCap":6455478627},{"date":"2025-08-08","current":14.167893,"twenty":12.343149,"median":14.122743,"eighty":16.152464,"marketCap":6804187232},{"date":"2025-08-15","current":14.993967,"twenty":12.343149,"median":14.122743,"eighty":16.087685,"marketCap":7200912570},{"date":"2025-08-22","current":15.666448,"twenty":12.343149,"median":14.122743,"eighty":16.031404,"marketCap":7523874434},{"date":"2025-08-29","current":16.128987,"twenty":12.343149,"median":14.122743,"eighty":15.998066,"marketCap":7746010555},{"date":"2025-09-05","current":16.047788,"twenty":12.343015,"median":14.119632,"eighty":15.991081,"marketCap":7707014577},{"date":"2025-09-12","current":16.610309,"twenty":12.343149,"median":14.122743,"eighty":15.988164,"marketCap":7977167431},{"date":"2025-09-19","current":16.184946,"twenty":12.343149,"median":14.122743,"eighty":15.976045,"marketCap":7772884891},{"date":"2025-09-26","current":16.154814,"twenty":12.343149,"median":14.122743,"eighty":15.970409,"marketCap":7758414094},{"date":"2025-10-03","current":16.359278,"twenty":12.343149,"median":14.122743,"eighty":15.970409,"marketCap":7856608784},{"date":"2025-10-10","current":15.245781,"twenty":12.343149,"median":14.122743,"eighty":15.968663,"marketCap":7321847083},{"date":"2025-10-17","current":15.303891,"twenty":12.343149,"median":14.122743,"eighty":15.915209,"marketCap":7349755047},{"date":"2025-10-24","current":14.818852,"twenty":12.343149,"median":14.122743,"eighty":15.896608,"marketCap":7116812812},{"date":"2025-10-31","current":14.634147,"twenty":12.343149,"median":14.122743,"eighty":15.882006,"marketCap":7028107543},{"date":"2025-11-07","current":16.012811,"twenty":12.343149,"median":14.122743,"eighty":15.910803,"marketCap":7176957956},{"date":"2025-11-14","current":16.469248,"twenty":12.343149,"median":14.122743,"eighty":15.912979,"marketCap":7381533302},{"date":"2025-11-21","current":15.550923,"twenty":12.343149,"median":14.122743,"eighty":15.910803,"marketCap":6969939358},{"date":"2025-11-28","current":16.035245,"twenty":12.343149,"median":14.122743,"eighty":15.899455,"marketCap":7187012876},{"date":"2025-12-05","current":16.00086,"twenty":12.343149,"median":14.122743,"eighty":15.88626,"marketCap":7171601596},{"date":"2025-12-12","current":16.224152,"twenty":12.343149,"median":14.122743,"eighty":15.882006,"marketCap":7271680946},{"date":"2025-12-19","current":15.251105,"twenty":12.343149,"median":14.122743,"eighty":15.858582,"marketCap":6835560514},{"date":"2025-12-26","current":14.935981,"twenty":12.343149,"median":14.122743,"eighty":15.819309,"marketCap":6694321770},{"date":"2026-01-02","current":14.409308,"twenty":12.343149,"median":14.122743,"eighty":15.78583,"marketCap":6458266065},{"date":"2026-01-09","current":14.97435,"twenty":12.343149,"median":14.122743,"eighty":15.749005,"marketCap":6711518503},{"date":"2026-01-16","current":13.628103,"twenty":12.343149,"median":14.116017,"eighty":15.714864,"marketCap":6108129300},{"date":"2026-01-23","current":13.562269,"twenty":12.343149,"median":13.962922,"eighty":15.704755,"marketCap":6078622336},{"date":"2026-01-30","current":13.931485,"twenty":12.343149,"median":13.85506,"eighty":15.691926,"marketCap":6244105655},{"date":"2026-02-06","current":14.988397,"twenty":12.343149,"median":13.85506,"eighty":15.662588,"marketCap":6717814575},{"date":"2026-02-13","current":13.400569,"twenty":12.343149,"median":13.846412,"eighty":15.652363,"marketCap":5611447965},{"date":"2026-02-20","current":13.622965,"twenty":12.343149,"median":13.797953,"eighty":15.639601,"marketCap":5704575842}],"updateTime":1771866781654},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"NEU\",pageSize:20,pageCount:1,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"20747262","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526057420-NEU","pdf_url":"","pub_time":1771390800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312526057420/0001193125-26-057420-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312526057420/d22589d8k.htm","primary":true,"translateUrl":"","linkName":"d22589d8k.htm","type":"8-K","id":"NTFILE7SB5xqRUeXRhfH9R","market":"us","size":22852}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-02-18 13:00","pubTimestamp":1771390800,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20730639","market":"us","labels":[],"media":"sec.gov","original_id":"AN128263726000005-NEU","pdf_url":"","pub_time":1770872400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"NEU","title":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000005/0001282637-26-000005-index.htm","us_notice_code":"Form 10-K","us_title_en":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000005/neu-20251231.htm","primary":true,"translateUrl":"","linkName":"neu-20251231.htm","type":"10-K","id":"NTFILE8G9V2CH5RvzFcbXy","market":"us","size":2178436},{"description":"EXHIBIT 21","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000005/neu-20251231xex21subsidiar.htm","primary":false,"translateUrl":"","linkName":"neu-20251231xex21subsidiar.htm","type":"EX-21","id":"NTFILE5ivEnPuqFssRzkfe","market":"us","size":33632},{"description":"EXHIBIT 23","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000005/neu-20251231xex23consent.htm","primary":false,"translateUrl":"","linkName":"neu-20251231xex23consent.htm","type":"EX-23","id":"NTFILEDcxi2c3t6z1yMZVZ","market":"us","size":2177},{"description":"EXHIBIT 31.A","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000005/neu-20251231xexhibit31a.htm","primary":false,"translateUrl":"","linkName":"neu-20251231xexhibit31a.htm","type":"EX-31.A","id":"NTFILEzUYHoHiSAAtQQQGC","market":"us","size":9810},{"description":"EXHIBIT 31.B","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000005/neu-20251231xexhibit31b.htm","primary":false,"translateUrl":"","linkName":"neu-20251231xexhibit31b.htm","type":"EX-31.B","id":"NTFILECHtbudB5L5PkZo4p","market":"us","size":9902},{"description":"EXHIBIT 32.A","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000005/neu-20251231xexhibit32a.htm","primary":false,"translateUrl":"","linkName":"neu-20251231xexhibit32a.htm","type":"EX-32.A","id":"NTFILEB8m76FoGBcmShWeA","market":"us","size":4725},{"description":"EXHIBIT 32.B","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000005/neu-20251231xexhibit32b.htm","primary":false,"translateUrl":"","linkName":"neu-20251231xexhibit32b.htm","type":"EX-32.B","id":"NTFILEFeVkywFtYKVvT8p5","market":"us","size":4718},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000005/neu-20251231_g1.jpg","primary":false,"translateUrl":"","linkName":"neu-20251231_g1.jpg","type":"GRAPHIC","id":"NTFILECKm8Rgq9RDgASUrR","market":"us","size":112954}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2026-02-12 13:00","pubTimestamp":1770872400,"title_zh":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20726586","market":"us","labels":[],"media":"sec.gov","original_id":"AN128263726000003-NEU","pdf_url":"","pub_time":1770786000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000003/0001282637-26-000003-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000003/neu-20251231exx991earnings.htm","primary":true,"translateUrl":"","linkName":"neu-20251231exx991earnings.htm","type":"EX-99.1","id":"NTFILECvTXHCYhTKhvnSRs","market":"us","size":190878},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263726000003/neu-20260211.htm","primary":false,"translateUrl":"","linkName":"neu-20260211.htm","type":"8-K","id":"NTFILE7mGubyzBgNjb4faw","market":"us","size":27562}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-02-11 13:00","pubTimestamp":1770786000,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20509107","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525312832-NEU","pdf_url":"","pub_time":1765256400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525312832/0001193125-25-312832-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525312832/d13653d8k.htm","primary":true,"translateUrl":"","linkName":"d13653d8k.htm","type":"8-K","id":"NTFILEEbqBQ8rkDVXYkRvT","market":"us","size":22201}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-12-09 13:00","pubTimestamp":1765256400,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20374152","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525267201-NEU","pdf_url":"","pub_time":1762318800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525267201/0001193125-25-267201-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525267201/d751254d8k.htm","primary":true,"translateUrl":"","linkName":"d751254d8k.htm","type":"8-K","id":"NTFILEHdaNWf35r9dNb8tK","market":"us","size":22783}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-11-05 13:00","pubTimestamp":1762318800,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20355370","market":"us","labels":[],"media":"sec.gov","original_id":"AN128263725000024-NEU","pdf_url":"","pub_time":1761883200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NEU","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000024/0001282637-25-000024-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000024/neu-20250930.htm","primary":true,"translateUrl":"","linkName":"neu-20250930.htm","type":"10-Q","id":"NTFILEARfmbucsUcwma7fb","market":"us","size":915345},{"description":"EX-31.A","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000024/neu-20250930xexhibit31a.htm","primary":false,"translateUrl":"","linkName":"neu-20250930xexhibit31a.htm","type":"EX-31.A","id":"NTFILEGz8J7X4hzqYgorxi","market":"us","size":9811},{"description":"EX-31.B","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000024/neu-20250930xexhibit31b.htm","primary":false,"translateUrl":"","linkName":"neu-20250930xexhibit31b.htm","type":"EX-31.B","id":"NTFILEaJzJpRpf8m2WdjsJ","market":"us","size":9903},{"description":"EX-32.A","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000024/neu-20250930xexhibit32a.htm","primary":false,"translateUrl":"","linkName":"neu-20250930xexhibit32a.htm","type":"EX-32.A","id":"NTFILE13SeZk4zKS4V3wXF","market":"us","size":4723},{"description":"EX-32.B","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000024/neu-20250930xexhibit32b.htm","primary":false,"translateUrl":"","linkName":"neu-20250930xexhibit32b.htm","type":"EX-32.B","id":"NTFILE9vYzHij9NBFfsiUA","market":"us","size":4716}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-10-31 12:00","pubTimestamp":1761883200,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20351833","market":"us","labels":[],"media":"sec.gov","original_id":"AN128263725000023-NEU","pdf_url":"","pub_time":1761796800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000023/0001282637-25-000023-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000023/neu-20250930exx991earnings.htm","primary":true,"translateUrl":"","linkName":"neu-20250930exx991earnings.htm","type":"EX-99.1","id":"NTFILEeENQUeGHM2QNLTGh","market":"us","size":199249},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000023/neu-20251030.htm","primary":false,"translateUrl":"","linkName":"neu-20251030.htm","type":"8-K","id":"NTFILEADMLBMUF7xXVSAXq","market":"us","size":27549}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-10-30 12:00","pubTimestamp":1761796800,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20351700","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525258809-NEU","pdf_url":"","pub_time":1761796800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525258809/0001193125-25-258809-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525258809/d86154dex991.htm","primary":true,"translateUrl":"","linkName":"d86154dex991.htm","type":"EX-99.1","id":"NTFILE6sCxP7REMXTfhX53","market":"us","size":6391},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525258809/d86154d8k.htm","primary":false,"translateUrl":"","linkName":"d86154d8k.htm","type":"8-K","id":"NTFILEB6qZAkzPJFah2fya","market":"us","size":24443}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-10-30 12:00","pubTimestamp":1761796800,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19961760","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525175561-NEU","pdf_url":"","pub_time":1754539200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525175561/0001193125-25-175561-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525175561/d21648dex991.htm","primary":true,"translateUrl":"","linkName":"d21648dex991.htm","type":"EX-99.1","id":"NTFILE3ZcnsmGW2vn3kfn3","market":"us","size":5996},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525175561/d21648d8k.htm","primary":false,"translateUrl":"","linkName":"d21648d8k.htm","type":"8-K","id":"NTFILE6EFTU2b9iwfUfMZh","market":"us","size":23672}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-08-07 12:00","pubTimestamp":1754539200,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19931796","market":"us","labels":[],"media":"sec.gov","original_id":"AN128263725000016-NEU","pdf_url":"","pub_time":1753934400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NEU","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000016/0001282637-25-000016-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000016/neu-20250630.htm","primary":true,"translateUrl":"","linkName":"neu-20250630.htm","type":"10-Q","id":"NTFILEC4hJNeCWUuevYxY1","market":"us","size":916230},{"description":"EX-31.A","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000016/neu-20250630xexhibit31a.htm","primary":false,"translateUrl":"","linkName":"neu-20250630xexhibit31a.htm","type":"EX-31.A","id":"NTFILE8YMbX2o9Q93LbB6Q","market":"us","size":9803},{"description":"EX-31.B","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000016/neu-20250630xexhibit31b.htm","primary":false,"translateUrl":"","linkName":"neu-20250630xexhibit31b.htm","type":"EX-31.B","id":"NTFILEJq8DSwVyb4Vi7Rng","market":"us","size":9895},{"description":"EX-32.A","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000016/neu-20250630xexhibit32a.htm","primary":false,"translateUrl":"","linkName":"neu-20250630xexhibit32a.htm","type":"EX-32.A","id":"NTFILE8SrzbvARQmk8sBcP","market":"us","size":4715},{"description":"EX-32.B","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000016/neu-20250630xexhibit32b.htm","primary":false,"translateUrl":"","linkName":"neu-20250630xexhibit32b.htm","type":"EX-32.B","id":"NTFILE9Eyi7RPH7LrNgJ34","market":"us","size":4708}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-07-31 12:00","pubTimestamp":1753934400,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19928385","market":"us","labels":[],"media":"sec.gov","original_id":"AN128263725000015-NEU","pdf_url":"","pub_time":1753848000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000015/0001282637-25-000015-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000015/neu-20250630exx991earnings.htm","primary":true,"translateUrl":"","linkName":"neu-20250630exx991earnings.htm","type":"EX-99.1","id":"NTFILEAbumiARJowcHR9Kz","market":"us","size":196334},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000015/neu-20250730.htm","primary":false,"translateUrl":"","linkName":"neu-20250730.htm","type":"8-K","id":"NTFILEDTzFdRoCNkmPciBd","market":"us","size":27533}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-07-30 12:00","pubTimestamp":1753848000,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19682655","market":"us","labels":[],"media":"sec.gov","original_id":"AN128263725000012-NEU","pdf_url":"","pub_time":1747886400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","symbol":"NEU","title":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000012/0001282637-25-000012-index.htm","us_notice_code":"Form 11-K","us_title_en":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 11-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000012/neu12312411k.htm","primary":true,"translateUrl":"","linkName":"neu12312411k.htm","type":"11-K","id":"NTFILE7JSN3ABQVTTD3tWN","market":"us","size":205395},{"description":"EXHIBIT 23","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000012/neu12312411kex23.htm","primary":false,"translateUrl":"","linkName":"neu12312411kex23.htm","type":"EX-23","id":"NTFILE55RWmRc8TEyikN8L","market":"us","size":2428}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2025-05-22 12:00","pubTimestamp":1747886400,"title_zh":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19645457","market":"us","labels":[],"media":"sec.gov","original_id":"AN95017025071371-NEU","pdf_url":"","pub_time":1747253157000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NEU","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/0000950170-25-071371-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000095017025071371/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE3KPfs7VT6g7EZpHH","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2025-05-15 04:05","pubTimestamp":1747253157,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19491453","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525093701-NEU","pdf_url":"","pub_time":1745467200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525093701/0001193125-25-093701-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.07: Submission of Matters to a Vote of Security Holders;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525093701/d930463dex991.htm","primary":true,"translateUrl":"","linkName":"d930463dex991.htm","type":"EX-99.1","id":"NTFILE3oDyvrqhwvnF76db","market":"us","size":6031},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525093701/d930463d8k.htm","primary":false,"translateUrl":"","linkName":"d930463d8k.htm","type":"8-K","id":"NTFILE82Do5sptQ7LKWZxo","market":"us","size":41321}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-04-24 12:00","pubTimestamp":1745467200,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.07: Submission of Matters to a Vote of Security Holders;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19481668","market":"us","labels":[],"media":"sec.gov","original_id":"AN128263725000010-NEU","pdf_url":"","pub_time":1745467200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NEU","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000010/0001282637-25-000010-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000010/neu-20250331.htm","primary":true,"translateUrl":"","linkName":"neu-20250331.htm","type":"10-Q","id":"NTFILECmFCcV1HECBzRaHN","market":"us","size":724398},{"description":"EX-31.A","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000010/neu-20250331xexhibit31a.htm","primary":false,"translateUrl":"","linkName":"neu-20250331xexhibit31a.htm","type":"EX-31.A","id":"NTFILEGxqgJFidbXRDCEe5","market":"us","size":9955},{"description":"EX-31.B","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000010/neu-20250331xexhibit31b.htm","primary":false,"translateUrl":"","linkName":"neu-20250331xexhibit31b.htm","type":"EX-31.B","id":"NTFILEDFnRgASMFSWXG9J6","market":"us","size":10047},{"description":"EX-32.A","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000010/neu-20250331xexhibit32a.htm","primary":false,"translateUrl":"","linkName":"neu-20250331xexhibit32a.htm","type":"EX-32.A","id":"NTFILE4sBjuTM1e9CBsDQ2","market":"us","size":4797},{"description":"EX-32.B","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000010/neu-20250331xexhibit32b.htm","primary":false,"translateUrl":"","linkName":"neu-20250331xexhibit32b.htm","type":"EX-32.B","id":"NTFILE8tPFcpKnuGjfUpEH","market":"us","size":4790}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-04-24 12:00","pubTimestamp":1745467200,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19467240","market":"us","labels":[],"media":"sec.gov","original_id":"AN128263725000009-NEU","pdf_url":"","pub_time":1745380800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000009/0001282637-25-000009-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000009/neu-20250331exx991earnings.htm","primary":true,"translateUrl":"","linkName":"neu-20250331exx991earnings.htm","type":"EX-99.1","id":"NTFILE7qjtHLS4ZTdq4MXp","market":"us","size":163101},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000009/neu-20250423.htm","primary":false,"translateUrl":"","linkName":"neu-20250423.htm","type":"8-K","id":"NTFILE3YDy2dq8jnLoqf5i","market":"us","size":27882}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-04-23 12:00","pubTimestamp":1745380800,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19177652","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525039322-NEU","pdf_url":"","pub_time":1740632400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525039322/0001193125-25-039322-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525039322/d935830dex991.htm","primary":true,"translateUrl":"","linkName":"d935830dex991.htm","type":"EX-99.1","id":"NTFILE6U4TzuWv49BxzdwF","market":"us","size":6229},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312525039322/d935830d8k.htm","primary":false,"translateUrl":"","linkName":"d935830d8k.htm","type":"8-K","id":"NTFILEHD7HadRn51chJzn6","market":"us","size":23873}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-02-27 13:00","pubTimestamp":1740632400,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19152354","market":"us","labels":[],"media":"sec.gov","original_id":"AN128263725000004-NEU","pdf_url":"","pub_time":1739509200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"NEU","title":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/0001282637-25-000004-index.htm","us_notice_code":"Form 10-K","us_title_en":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/neu-20241231.htm","primary":true,"translateUrl":"","linkName":"neu-20241231.htm","type":"10-K","id":"NTFILE9NCu4885bhL2CxtX","market":"us","size":2097161},{"description":"EXHIBIT 10.15","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/neu-20241231xex1015formofr.htm","primary":false,"translateUrl":"","linkName":"neu-20241231xex1015formofr.htm","type":"EX-10.15","id":"NTFILEFAJ1w7CDDT6c5vLT","market":"us","size":21923},{"description":"EXHIBIT 10.16","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/neu-20241231xex1016formofp.htm","primary":false,"translateUrl":"","linkName":"neu-20241231xex1016formofp.htm","type":"EX-10.16","id":"NTFILE8hgCKbA3JimWSZQu","market":"us","size":35619},{"description":"EXHIBIT 19","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/neu-20241231xex19insidertr.htm","primary":false,"translateUrl":"","linkName":"neu-20241231xex19insidertr.htm","type":"EX-19","id":"NTFILECnjDC4MUGrM6fxpF","market":"us","size":42949},{"description":"EXHIBIT 21","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/neu-20241231xex21subsidiar.htm","primary":false,"translateUrl":"","linkName":"neu-20241231xex21subsidiar.htm","type":"EX-21","id":"NTFILE5T9dAMXmdTFfsGdA","market":"us","size":31719},{"description":"EXHIBIT 23","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/neu-20241231xex23consent.htm","primary":false,"translateUrl":"","linkName":"neu-20241231xex23consent.htm","type":"EX-23","id":"NTFILEEmiXLciCeb7Az6uQ","market":"us","size":2301},{"description":"EXHIBIT 31.A","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/neu-20241231xexhibit31a.htm","primary":false,"translateUrl":"","linkName":"neu-20241231xexhibit31a.htm","type":"EX-31.A","id":"NTFILEErV7x9R7V4uPYxXb","market":"us","size":9960},{"description":"EXHIBIT 31.B","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/neu-20241231xexhibit31b.htm","primary":false,"translateUrl":"","linkName":"neu-20241231xexhibit31b.htm","type":"EX-31.B","id":"NTFILEHnQDJDn1SrHPe541","market":"us","size":10052},{"description":"EXHIBIT 32.A","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/neu-20241231xexhibit32a.htm","primary":false,"translateUrl":"","linkName":"neu-20241231xexhibit32a.htm","type":"EX-32.A","id":"NTFILE8jMtckEfqMVtyo5S","market":"us","size":4805},{"description":"EXHIBIT 32.B","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/neu-20241231xexhibit32b.htm","primary":false,"translateUrl":"","linkName":"neu-20241231xexhibit32b.htm","type":"EX-32.B","id":"NTFILEEd5pTwrsvyF8agLF","market":"us","size":4799},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000004/neu-20241231_g1.jpg","primary":false,"translateUrl":"","linkName":"neu-20241231_g1.jpg","type":"GRAPHIC","id":"NTFILE8L45CnbejmQnH7rF","market":"us","size":113109}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2025-02-14 13:00","pubTimestamp":1739509200,"title_zh":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19145794","market":"us","labels":[],"media":"sec.gov","original_id":"AN128263725000002-NEU","pdf_url":"","pub_time":1738558800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NEU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000002/0001282637-25-000002-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000002/neu-20241231exx991earnings.htm","primary":true,"translateUrl":"","linkName":"neu-20241231exx991earnings.htm","type":"EX-99.1","id":"NTFILEEZNf54D7ZMN2LHjT","market":"us","size":190794},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000128263725000002/neu-20250203.htm","primary":false,"translateUrl":"","linkName":"neu-20250203.htm","type":"8-K","id":"NTFILEBBxoRAT3duq4EDrQ","market":"us","size":27903}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-02-03 13:00","pubTimestamp":1738558800,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18937569","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312524277262-NEU","pdf_url":"","pub_time":1733979600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K/A - Current report: [Amend]","symbol":"NEU","title":"Form 8-K/A - Current report: [Amend]","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312524277262/0001193125-24-277262-index.htm","us_notice_code":"Form 8-K/A","us_title_en":"Form 8-K/A - Current report: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1282637/000119312524277262/d910969d8ka.htm","primary":true,"translateUrl":"","linkName":"d910969d8ka.htm","type":"8-K/A","id":"NTFILEB7pDdJXkAM5QqAZB","market":"us","size":21804}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-12-12 13:00","pubTimestamp":1733979600,"title_zh":"Form 8-K/A - Current report: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":8,"pageCount":1,"totalSize":157,"code":"91000000","status":"200"}]}}