Northwest Natural Gas

50.11

+0.81001.64%

Post-market: 50.01-0.1000-0.20%18:20 EST

Volume:195.21K

Turnover:9.73M

Market Cap:2.08B

PE:20.25

High:50.17

Open:49.46

Low:48.91

Close:49.30

52wk High:50.90

52wk Low:38.94

Shares:41.51M

Float Shares:41.28M

Volume Ratio:0.73

T/O Rate:0.47%

Dividend:1.96

Dividend Rate:3.91%

EPS(TTM):2.47

EPS(LYR):2.03

ROE:7.20%

ROA:2.89%

PB:1.45

PE(LYR):24.66

Loading ...

Overview Company News Filings

Dec 16, 2025

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers HK | Online Trading in stocks, bonds & ETFS","description":"Discover Tiger Brokers HK, an online trading platform for stocks&ETFs, options&futures, bonds and crypto. Open an account to enjoy low commission trading today!","keywords":"tiger trading,tiger security,tiger broker hk,tigers co ltd,tiger trade hk,tiger brokers hk,stock broker,securities broker,online brokerage,hong kong broker,hk broker,online stock trading,online trading platform,stock trading platforms,trading application,stock trading,stock trading hong kong,buying stocks in hong kong,tiger brokers","social":{"ogDescription":"Discover Tiger Brokers HK, an online trading platform for stocks&ETFs, options&futures, bonds and crypto. Open an account to enjoy low commission trading today!","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.be62fbe1.png","ogUrl":"https://www.itiger.com/stock/NWN/filings"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"HKG","license":"TBHK","edition":"fundamental","symbol":"NWN","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NWN\",,,,,undefined,":{"symbol":"NWN","market":"US","secType":"STK","nameCN":"Northwest Natural Gas","latestPrice":50.11,"timestamp":1771621200000,"preClose":49.3,"halted":0,"volume":195211,"hourTrading":{"tag":"盘后","latestPrice":50.01,"preClose":50.11,"latestTime":"18:20 EST","volume":3440,"amount":172365.0872,"timestamp":1771629602542,"change":-0.1,"changeRate":-0.001996,"amplitude":0.032129},"delay":0,"changeRate":0.016430020283975708,"floatShares":41284000,"shares":41507000,"eps":2.474918,"marketStatus":"Post-Mkt","change":0.81,"latestTime":"02-20 19:24:35 EST","open":49.455,"high":50.17,"low":48.91,"amount":9730790.08305,"amplitude":0.025558,"askPrice":51.1,"askSize":39,"bidPrice":50,"bidSize":100,"shortable":3,"etf":0,"ttmEps":2.474918,"tradingStatus":3,"nextMarketStatus":{"tag":"Closed","tradingStatus":0,"beginTime":1771635600000},"marketStatusCode":4,"adr":0,"adrRate":0,"exchange":"NYSE","adjPreClose":49.3,"dividendRate":0.039114,"preHourTrading":{"tag":"盘前","latestPrice":49.3,"preClose":49.3,"latestTime":"08:02 EST","volume":2,"amount":96.480194,"timestamp":1771592537424,"change":0,"changeRate":0,"amplitude":0.042998},"postHourTrading":{"tag":"盘后","latestPrice":50.01,"preClose":50.11,"latestTime":"18:20 EST","volume":3440,"amount":172365.0872,"timestamp":1771629602542,"change":-0.1,"changeRate":-0.001996,"amplitude":0.032129},"volumeRatio":0.730853,"impliedVol":0.2235,"impliedVolPercentile":0.6693},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NWN\",,,,,undefined,":{"symbol":"NWN","floatShares":41284000,"roa":"2.89%","roe":"7.20%","lyrEps":2.032286,"volumeRatio":0.730853,"shares":41507000,"dividePrice":1.96,"high":50.17,"amplitude":0.025558,"preClose":49.3,"low":48.91,"week52Low":38.94,"pbRate":"1.45","psRate":"1.64","week52High":50.9,"institutionHeld":0.7963,"latestPrice":50.11,"committee":0.438849,"eps":2.474918,"divideRate":0.039114,"volume":195211,"delay":0,"ttmEps":2.474918,"open":49.455,"prevYearClose":46.74,"prevWeekClose":50.35,"prevMonthClose":46.56,"prevQuarterClose":46.74,"fiveDayClose":49.82,"twentyDayClose":46.79,"sixtyDayClose":48.09,"earningDate":1772121600000,"earningTime":"盘前","dividendPayoutRate":0.9607407618809558,"dividendFrequency":"Q","dividendGrowthYears":6,"dividendGrowthRate":0.0051480051480052675,"fiveYearAvgDividendRate":0.04428137627909865},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/NWN\",params:#limit:5,,,undefined,":[{"date":"2026-02-27","symbol":"NWN","type":"earning","reportTimeType":"pre","market":"US","fiscalQuarterEnding":"2025/12","expectedEps":1.36,"defaultRemindTime":1772182800000,"name":null,"time":"Pre-Market","dateTimestamp":1772168400000,"actualEps":null},{"date":"2026-01-30","symbol":"NWN","amount":0.4925,"announcedDate":"2026-01-15","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-01-30","defaultRemindTime":1769783400000,"name":"西北天然气","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-02-13","payableDate":"2026-01-30","currency":"USD","dateTimestamp":1769749200000,"payDate":"2026-02-13"},{"market":"US","date":"2025-11-05","symbol":"NWN","fiscalQuarterEnding":"2025/09","expectedEps":-0.82,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1762318800000,"reportTimeType":"pre","actualEps":-0.73},{"date":"2025-10-31","symbol":"NWN","amount":0.4925,"announcedDate":"2025-10-09","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2025-10-31","defaultRemindTime":1761917400000,"name":"西北天然气","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2025-11-14","payableDate":"2025-10-31","currency":"USD","dateTimestamp":1761883200000,"payDate":"2025-11-14"},{"market":"US","date":"2025-08-05","symbol":"NWN","fiscalQuarterEnding":"2025/06","expectedEps":-0.07,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1754366400000,"reportTimeType":"pre","actualEps":0.01}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"NWN\",market:\"US\",,,undefined,":[{"executeDate":"2017-01-27","recordDate":"2017-01-31","paymentDate":"2017-02-15","value":0.47,"currency":"USD"},{"executeDate":"2017-04-26","recordDate":"2017-04-28","paymentDate":"2017-05-15","value":0.47,"currency":"USD"},{"executeDate":"2017-07-27","recordDate":"2017-07-31","paymentDate":"2017-08-15","value":0.47,"currency":"USD"},{"executeDate":"2017-10-30","recordDate":"2017-10-31","paymentDate":"2017-11-15","value":0.4725,"currency":"USD"},{"executeDate":"2018-01-30","recordDate":"2018-01-31","paymentDate":"2018-02-15","value":0.4725,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"NWN\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.75,"buy":0,"hold":0.25,"sell":0,"strongSell":0,"meanLabel":"STRONG BUY","meanPercent":0.75,"analysts":4,"updateTime":1761022800000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/NWN\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"NWN","date":"2026-02-19","current":20.247135,"percent":0.689904,"low":12.924701,"twenty":15.519481,"median":18.451024,"eighty":21.314386,"high":25.318886,"avg":18.369438,"sd":2.931971,"marketCap":2037995762},"quantilePoints":[{"date":"2021-02-26","current":19.118872,"twenty":-27.130125,"median":29.219455,"eighty":32.289167,"marketCap":1467966110},{"date":"2021-03-05","current":20.61279,"twenty":-27.166754,"median":29.238225,"eighty":32.289901,"marketCap":1582670647},{"date":"2021-03-12","current":21.214711,"twenty":-27.166754,"median":29.238225,"eighty":32.289901,"marketCap":1628886711},{"date":"2021-03-19","current":21.111069,"twenty":-27.166754,"median":29.238225,"eighty":32.289901,"marketCap":1620928978},{"date":"2021-03-26","current":20.979523,"twenty":-27.130125,"median":29.219455,"eighty":32.289167,"marketCap":1610828778},{"date":"2021-04-01","current":21.154917,"twenty":-27.130125,"median":29.219455,"eighty":32.289167,"marketCap":1624295711},{"date":"2021-04-09","current":21.685086,"twenty":-27.166754,"median":29.238225,"eighty":32.289901,"marketCap":1665002576},{"date":"2021-04-16","current":22.115599,"twenty":-27.166754,"median":29.238225,"eighty":32.289901,"marketCap":1698057774},{"date":"2021-04-23","current":22.062825,"twenty":-27.166754,"median":29.238225,"eighty":32.289901,"marketCap":1694005744},{"date":"2021-04-30","current":21.527823,"twenty":-27.166754,"median":29.238225,"eighty":32.289901,"marketCap":1652927790},{"date":"2021-05-07","current":19.017955,"twenty":-27.166754,"median":29.165011,"eighty":32.289901,"marketCap":1688794362},{"date":"2021-05-14","current":18.873467,"twenty":-27.166754,"median":29.081231,"eighty":32.289901,"marketCap":1675963848},{"date":"2021-05-21","current":18.321106,"twenty":-27.166754,"median":29.032146,"eighty":32.289901,"marketCap":1626914238},{"date":"2021-05-28","current":18.255513,"twenty":-27.166754,"median":28.987922,"eighty":32.289901,"marketCap":1621089597},{"date":"2021-06-04","current":18.562764,"twenty":-27.130125,"median":28.934011,"eighty":32.289167,"marketCap":1648373442},{"date":"2021-06-11","current":19.066793,"twenty":-27.130125,"median":28.870067,"eighty":32.275396,"marketCap":1693131211},{"date":"2021-06-18","current":18.010404,"twenty":-27.130125,"median":28.825849,"eighty":32.262388,"marketCap":1599323833},{"date":"2021-06-25","current":18.417769,"twenty":-27.130125,"median":28.771611,"eighty":32.219633,"marketCap":1635497920},{"date":"2021-07-02","current":18.134685,"twenty":-27.130125,"median":28.717907,"eighty":32.190403,"marketCap":1610359995},{"date":"2021-07-09","current":17.951715,"twenty":-27.130125,"median":28.70884,"eighty":32.167374,"marketCap":1594112312},{"date":"2021-07-16","current":18.258966,"twenty":-27.130125,"median":28.628401,"eighty":32.140602,"marketCap":1621396157},{"date":"2021-07-23","current":17.934454,"twenty":-27.130125,"median":28.501703,"eighty":32.09806,"marketCap":1592579511},{"date":"2021-07-30","current":18.051831,"twenty":-27.130125,"median":28.39177,"eighty":32.06915,"marketCap":1603002553},{"date":"2021-08-06","current":17.626016,"twenty":-27.130125,"median":28.316476,"eighty":32.032053,"marketCap":1637950400},{"date":"2021-08-13","current":17.668634,"twenty":-27.130125,"median":28.06179,"eighty":31.994082,"marketCap":1641910808},{"date":"2021-08-20","current":17.269249,"twenty":-27.130125,"median":27.987194,"eighty":31.967592,"marketCap":1604796815},{"date":"2021-08-27","current":16.859963,"twenty":-27.130125,"median":27.946024,"eighty":31.921821,"marketCap":1566762639},{"date":"2021-09-03","current":16.833557,"twenty":-27.130125,"median":27.785456,"eighty":31.918463,"marketCap":1564308822},{"date":"2021-09-10","current":16.249334,"twenty":-27.130125,"median":27.737644,"eighty":31.908739,"marketCap":1510018104},{"date":"2021-09-17","current":15.830145,"twenty":-27.130125,"median":27.645031,"eighty":31.893393,"marketCap":1471063747},{"date":"2021-09-24","current":15.269027,"twenty":-27.130125,"median":27.568189,"eighty":31.863821,"marketCap":1418920119},{"date":"2021-10-01","current":15.295432,"twenty":-27.130125,"median":27.479091,"eighty":31.8333,"marketCap":1421373937},{"date":"2021-10-08","current":15.457167,"twenty":-27.130125,"median":27.274578,"eighty":31.829842,"marketCap":1436403571},{"date":"2021-10-15","current":15.645306,"twenty":-27.130125,"median":27.088255,"eighty":31.829842,"marketCap":1453887022},{"date":"2021-10-22","current":15.440663,"twenty":-27.130125,"median":26.876064,"eighty":31.819452,"marketCap":1434869935},{"date":"2021-10-29","current":14.882845,"twenty":-27.130125,"median":26.726657,"eighty":31.798768,"marketCap":1383033034},{"date":"2021-11-05","current":15.995322,"twenty":-27.093496,"median":26.61594,"eighty":31.790937,"marketCap":1442538115},{"date":"2021-11-12","current":15.698217,"twenty":-27.093496,"median":26.390819,"eighty":31.790937,"marketCap":1415743723},{"date":"2021-11-19","current":15.541474,"twenty":-27.093496,"median":26.294529,"eighty":31.790937,"marketCap":1401607797},{"date":"2021-11-26","current":15.078058,"twenty":-27.093496,"median":26.259011,"eighty":31.785394,"marketCap":1359814624},{"date":"2021-12-03","current":15.166652,"twenty":-27.093496,"median":26.053327,"eighty":31.779352,"marketCap":1367804495},{"date":"2021-12-10","current":16.001482,"twenty":-27.056866,"median":25.979307,"eighty":31.771749,"marketCap":1443093667},{"date":"2021-12-17","current":16.250227,"twenty":-27.056866,"median":25.793715,"eighty":31.751728,"marketCap":1465526767},{"date":"2021-12-23","current":16.451268,"twenty":-27.056866,"median":25.71052,"eighty":31.73624,"marketCap":1483657628},{"date":"2021-12-31","current":16.621642,"twenty":-27.056866,"median":25.641959,"eighty":31.683129,"marketCap":1499022765},{"date":"2022-01-07","current":16.969204,"twenty":-27.020237,"median":25.474235,"eighty":31.674558,"marketCap":1530367645},{"date":"2022-01-14","current":16.976019,"twenty":-27.020237,"median":25.36143,"eighty":31.599765,"marketCap":1530982250},{"date":"2022-01-21","current":16.199115,"twenty":-27.020237,"median":25.279987,"eighty":31.567162,"marketCap":1460917225},{"date":"2022-01-28","current":16.188893,"twenty":-27.020237,"median":25.133319,"eighty":31.517389,"marketCap":1459995317},{"date":"2022-02-04","current":16.00489,"twenty":-27.020237,"median":24.990626,"eighty":31.488234,"marketCap":1443400969},{"date":"2022-02-11","current":15.957185,"twenty":-27.020237,"median":24.802653,"eighty":31.456773,"marketCap":1439098731},{"date":"2022-02-18","current":15.776589,"twenty":-27.020237,"median":24.719603,"eighty":31.41173,"marketCap":1422811686},{"date":"2022-02-25","current":19.414927,"twenty":-27.020237,"median":24.677174,"eighty":31.295484,"marketCap":1527294617},{"date":"2022-03-04","current":22.170951,"twenty":-27.020237,"median":24.538473,"eighty":31.239593,"marketCap":1744100060},{"date":"2022-03-11","current":21.782821,"twenty":-27.020237,"median":24.435083,"eighty":31.218849,"marketCap":1713567405},{"date":"2022-03-18","current":20.863982,"twenty":-27.020237,"median":24.365234,"eighty":31.180496,"marketCap":1641286016},{"date":"2022-03-25","current":21.802624,"twenty":-27.020237,"median":24.293106,"eighty":31.142498,"marketCap":1715125193},{"date":"2022-04-01","current":22.208719,"twenty":-27.020237,"median":24.17432,"eighty":31.086966,"marketCap":1747071072},{"date":"2022-04-08","current":21.994803,"twenty":-27.020237,"median":24.004509,"eighty":31.005466,"marketCap":1730243187},{"date":"2022-04-14","current":21.340221,"twenty":-27.020237,"median":23.924223,"eighty":30.966998,"marketCap":1678749857},{"date":"2022-04-22","current":21.853619,"twenty":-27.020237,"median":23.844022,"eighty":30.902423,"marketCap":1719136782},{"date":"2022-04-29","current":20.827756,"twenty":-27.020237,"median":23.778986,"eighty":30.860357,"marketCap":1638436260},{"date":"2022-05-06","current":22.419847,"twenty":-27.020237,"median":23.682021,"eighty":30.788317,"marketCap":1690187388},{"date":"2022-05-13","current":23.006016,"twenty":-27.020237,"median":23.573845,"eighty":30.788317,"marketCap":1734377533},{"date":"2022-05-20","current":23.52857,"twenty":-27.020237,"median":23.515981,"eighty":30.788317,"marketCap":1773771848},{"date":"2022-05-27","current":24.650926,"twenty":-27.020237,"median":23.515981,"eighty":30.788317,"marketCap":1858383985},{"date":"2022-06-03","current":25.073513,"twenty":-27.020237,"median":23.515981,"eighty":30.788317,"marketCap":1890241996},{"date":"2022-06-10","current":24.578222,"twenty":-27.020237,"median":23.515981,"eighty":30.788317,"marketCap":1852903037},{"date":"2022-06-17","current":23.487675,"twenty":-27.020237,"median":23.368845,"eighty":30.788317,"marketCap":1770688814},{"date":"2022-06-24","current":23.805751,"twenty":-27.056866,"median":23.356315,"eighty":30.790629,"marketCap":1794667963},{"date":"2022-07-01","current":24.800876,"twenty":-27.056866,"median":23.356315,"eighty":30.790629,"marketCap":1869688441},{"date":"2022-07-08","current":23.655801,"twenty":-27.056866,"median":23.356315,"eighty":30.790629,"marketCap":1783363507},{"date":"2022-07-15","current":24.560047,"twenty":-27.056866,"median":23.356315,"eighty":30.790629,"marketCap":1851532800},{"date":"2022-07-22","current":23.719416,"twenty":-27.056866,"median":23.356315,"eighty":30.790629,"marketCap":1788159337},{"date":"2022-07-29","current":24.387377,"twenty":-27.056866,"median":23.356315,"eighty":30.790629,"marketCap":1838515548},{"date":"2022-08-05","current":23.134535,"twenty":-27.056866,"median":23.340704,"eighty":30.790629,"marketCap":1800491470},{"date":"2022-08-12","current":23.174149,"twenty":-27.056866,"median":23.219582,"eighty":30.790629,"marketCap":1803574503},{"date":"2022-08-19","current":23.602955,"twenty":-27.056866,"median":23.219582,"eighty":30.790629,"marketCap":1836947188},{"date":"2022-08-26","current":22.319019,"twenty":-27.056866,"median":23.134535,"eighty":30.790629,"marketCap":1737022275},{"date":"2022-09-02","current":21.245344,"twenty":-27.056866,"median":23.087807,"eighty":30.761601,"marketCap":1653461372},{"date":"2022-09-09","current":21.773234,"twenty":-27.056866,"median":23.074175,"eighty":30.73313,"marketCap":1694545482},{"date":"2022-09-16","current":21.437711,"twenty":-27.056866,"median":23.03058,"eighty":30.659437,"marketCap":1668432700},{"date":"2022-09-23","current":20.976925,"twenty":-27.056866,"median":22.968452,"eighty":30.633427,"marketCap":1632571146},{"date":"2022-09-30","current":19.406675,"twenty":-27.056866,"median":22.783362,"eighty":30.633427,"marketCap":1510363325},{"date":"2022-10-07","current":19.115888,"twenty":-27.056866,"median":22.729767,"eighty":30.633427,"marketCap":1487732247},{"date":"2022-10-14","current":20.270089,"twenty":-27.056866,"median":22.637956,"eighty":30.613547,"marketCap":1577560218},{"date":"2022-10-21","current":20.493771,"twenty":-27.056866,"median":22.532346,"eighty":30.590112,"marketCap":1594968739},{"date":"2022-10-28","current":21.527183,"twenty":-27.056866,"median":22.46117,"eighty":30.532322,"marketCap":1675396109},{"date":"2022-11-04","current":20.865084,"twenty":-27.056866,"median":22.418162,"eighty":30.500316,"marketCap":1623866885},{"date":"2022-11-11","current":20.994099,"twenty":-27.056866,"median":22.337719,"eighty":30.334478,"marketCap":1656329407},{"date":"2022-11-18","current":21.661425,"twenty":-27.056866,"median":22.274105,"eighty":30.246387,"marketCap":1708978149},{"date":"2022-11-25","current":22.061821,"twenty":-27.056866,"median":22.232507,"eighty":30.108283,"marketCap":1740567393},{"date":"2022-12-02","current":20.767207,"twenty":-27.056866,"median":22.170951,"eighty":30.010029,"marketCap":1638428835},{"date":"2022-12-09","current":21.341108,"twenty":-27.056866,"median":22.127431,"eighty":29.879251,"marketCap":1683706753},{"date":"2022-12-16","current":20.615947,"twenty":-27.056866,"median":22.078356,"eighty":29.689939,"marketCap":1626495120},{"date":"2022-12-23","current":21.229887,"twenty":-27.056866,"median":22.062825,"eighty":29.683721,"marketCap":1674931962},{"date":"2022-12-30","current":21.172052,"twenty":-27.056866,"median":22.033308,"eighty":29.683721,"marketCap":1670369071},{"date":"2023-01-06","current":21.910561,"twenty":-27.056866,"median":21.963986,"eighty":29.683721,"marketCap":1728633679},{"date":"2023-01-13","current":22.057372,"twenty":-27.056866,"median":21.941703,"eighty":29.683721,"marketCap":1740216402},{"date":"2023-01-20","current":21.692567,"twenty":-27.056866,"median":21.910561,"eighty":29.683721,"marketCap":1711435090},{"date":"2023-01-27","current":22.262019,"twenty":-27.056866,"median":21.892765,"eighty":29.683721,"marketCap":1756362016},{"date":"2023-02-03","current":23.031669,"twenty":-27.056866,"median":21.859562,"eighty":29.683721,"marketCap":1817083564},{"date":"2023-02-10","current":21.594693,"twenty":-27.056866,"median":21.844644,"eighty":29.683721,"marketCap":1703713274},{"date":"2023-02-17","current":21.830481,"twenty":-27.056866,"median":21.804863,"eighty":29.683721,"marketCap":1722315830},{"date":"2023-02-24","current":19.350638,"twenty":-26.967244,"median":21.786655,"eighty":29.683721,"marketCap":1670018080},{"date":"2023-03-03","current":19.877411,"twenty":14.903882,"median":21.786655,"eighty":29.683721,"marketCap":1715480176},{"date":"2023-03-10","current":18.790268,"twenty":15.131493,"median":21.786655,"eighty":29.683721,"marketCap":1621656525},{"date":"2023-03-17","current":19.477968,"twenty":15.232719,"median":21.786655,"eighty":29.683721,"marketCap":1681007092},{"date":"2023-03-24","current":19.111469,"twenty":15.352864,"median":21.786655,"eighty":29.683721,"marketCap":1649377149},{"date":"2023-03-31","current":19.585035,"twenty":15.419,"median":21.784738,"eighty":29.683438,"marketCap":1690247300},{"date":"2023-04-06","current":19.889765,"twenty":15.47565,"median":21.784738,"eighty":29.683438,"marketCap":1716546354},{"date":"2023-04-14","current":19.597389,"twenty":15.540758,"median":21.786655,"eighty":29.683721,"marketCap":1691313478},{"date":"2023-04-21","current":19.605625,"twenty":15.557581,"median":21.786655,"eighty":29.683721,"marketCap":1692024263},{"date":"2023-04-28","current":19.465614,"twenty":15.596639,"median":21.786655,"eighty":29.683721,"marketCap":1679940914},{"date":"2023-05-05","current":16.883202,"twenty":15.664723,"median":21.786655,"eighty":29.683721,"marketCap":1717612532},{"date":"2023-05-12","current":16.247895,"twenty":15.704351,"median":21.786655,"eighty":29.683721,"marketCap":1652979573},{"date":"2023-05-19","current":15.731752,"twenty":15.767048,"median":21.786655,"eighty":29.683721,"marketCap":1600469778},{"date":"2023-05-26","current":15.484286,"twenty":15.797714,"median":21.786655,"eighty":29.683721,"marketCap":1575293849},{"date":"2023-06-02","current":14.893904,"twenty":15.801246,"median":21.79464,"eighty":29.684003,"marketCap":1515231275},{"date":"2023-06-09","current":15.533779,"twenty":15.801246,"median":21.79464,"eighty":29.684003,"marketCap":1580329035},{"date":"2023-06-16","current":15.038848,"twenty":15.801246,"median":21.79464,"eighty":29.684003,"marketCap":1529977177},{"date":"2023-06-23","current":15.063594,"twenty":15.802735,"median":21.802624,"eighty":29.684286,"marketCap":1532494769},{"date":"2023-06-30","current":15.14844,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1541126517},{"date":"2023-07-07","current":14.964608,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1522424398},{"date":"2023-07-14","current":15.293384,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1555872418},{"date":"2023-07-21","current":15.661047,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1593276655},{"date":"2023-07-28","current":15.441863,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1570977975},{"date":"2023-08-04","current":15.087487,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1527819240},{"date":"2023-08-11","current":14.570116,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1475428232},{"date":"2023-08-18","current":14.491763,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1467493883},{"date":"2023-08-25","current":14.103559,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1428182791},{"date":"2023-09-01","current":13.989591,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1416641920},{"date":"2023-09-08","current":13.929045,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1410510832},{"date":"2023-09-15","current":14.548747,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1473264318},{"date":"2023-09-22","current":14.142735,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1432149965},{"date":"2023-09-29","current":13.629879,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1380216045},{"date":"2023-10-06","current":13.576456,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1374806262},{"date":"2023-10-13","current":13.79727,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1397166700},{"date":"2023-10-20","current":14.22465,"twenty":15.803849,"median":21.803649,"eighty":29.684569,"marketCap":1440444966},{"date":"2023-10-27","current":13.412627,"twenty":15.837345,"median":21.804863,"eighty":29.692625,"marketCap":1358216260},{"date":"2023-11-03","current":13.740285,"twenty":15.837345,"median":21.804863,"eighty":29.692625,"marketCap":1391396264},{"date":"2023-11-10","current":13.668266,"twenty":15.837345,"median":21.804863,"eighty":29.692625,"marketCap":1328063365},{"date":"2023-11-17","current":14.061924,"twenty":15.837345,"median":21.804863,"eighty":29.692625,"marketCap":1366312767},{"date":"2023-11-24","current":13.804532,"twenty":15.837345,"median":21.804863,"eighty":29.692625,"marketCap":1341303543},{"date":"2023-12-01","current":13.86131,"twenty":15.837345,"median":21.804863,"eighty":29.692625,"marketCap":1346820284},{"date":"2023-12-08","current":14.603204,"twenty":15.826441,"median":21.804768,"eighty":29.689939,"marketCap":1418905695},{"date":"2023-12-15","current":14.868166,"twenty":15.826441,"median":21.804768,"eighty":29.689939,"marketCap":1444650484},{"date":"2023-12-22","current":14.580493,"twenty":15.826441,"median":21.804768,"eighty":29.689939,"marketCap":1416698998},{"date":"2023-12-29","current":14.769751,"twenty":15.837345,"median":21.804863,"eighty":29.692625,"marketCap":1435088134},{"date":"2024-01-05","current":15.023358,"twenty":15.853149,"median":21.808754,"eighty":29.69531,"marketCap":1459729575},{"date":"2024-01-12","current":14.501004,"twenty":15.853149,"median":21.808754,"eighty":29.69531,"marketCap":1408975562},{"date":"2024-01-19","current":14.296605,"twenty":15.873161,"median":21.812645,"eighty":29.697995,"marketCap":1389115295},{"date":"2024-01-26","current":14.758396,"twenty":15.853149,"median":21.808754,"eighty":29.69531,"marketCap":1433984786},{"date":"2024-02-02","current":14.016502,"twenty":15.853149,"median":21.808754,"eighty":29.69531,"marketCap":1361899375},{"date":"2024-02-09","current":13.384378,"twenty":15.853149,"median":21.808754,"eighty":29.69531,"marketCap":1300479662},{"date":"2024-02-16","current":13.64934,"twenty":15.853149,"median":21.808754,"eighty":29.69531,"marketCap":1326224452},{"date":"2024-02-23","current":15.049854,"twenty":15.853149,"median":21.808754,"eighty":29.69531,"marketCap":1462304054},{"date":"2024-03-01","current":14.746702,"twenty":15.837345,"median":21.804863,"eighty":29.692625,"marketCap":1384243427},{"date":"2024-03-08","current":15.07182,"twenty":15.796351,"median":21.773234,"eighty":29.692625,"marketCap":1414761587},{"date":"2024-03-15","current":14.513902,"twenty":15.745711,"median":21.747413,"eighty":29.692625,"marketCap":1362390918},{"date":"2024-03-22","current":14.646357,"twenty":15.696173,"median":21.700438,"eighty":29.692625,"marketCap":1374824242},{"date":"2024-03-28","current":14.718605,"twenty":15.666313,"median":21.685086,"eighty":29.680797,"marketCap":1381606055},{"date":"2024-04-05","current":14.750716,"twenty":15.638102,"median":21.620913,"eighty":29.681976,"marketCap":1384620195},{"date":"2024-04-12","current":14.612472,"twenty":15.593876,"median":21.605472,"eighty":29.681976,"marketCap":1371643484},{"date":"2024-04-19","current":14.823131,"twenty":15.558706,"median":21.576315,"eighty":29.681976,"marketCap":1391417662},{"date":"2024-04-26","current":15.661718,"twenty":15.549043,"median":21.527823,"eighty":29.653294,"marketCap":1470134103},{"date":"2024-05-03","current":15.714382,"twenty":15.536141,"median":21.503868,"eighty":29.499132,"marketCap":1475077648},{"date":"2024-05-10","current":16.958374,"twenty":15.536141,"median":21.474574,"eighty":29.289898,"marketCap":1458759335},{"date":"2024-05-17","current":17.015845,"twenty":15.536141,"median":21.442184,"eighty":29.018969,"marketCap":1463702993},{"date":"2024-05-24","current":16.237776,"twenty":15.536141,"median":21.421995,"eighty":28.366151,"marketCap":1396773472},{"date":"2024-05-31","current":16.542814,"twenty":15.536141,"median":21.401921,"eighty":27.925876,"marketCap":1423012886},{"date":"2024-06-07","current":15.968104,"twenty":15.536141,"median":21.341108,"eighty":27.600779,"marketCap":1373576308},{"date":"2024-06-14","current":15.658645,"twenty":15.536141,"median":21.314367,"eighty":27.236075,"marketCap":1346956612},{"date":"2024-06-21","current":15.450865,"twenty":15.528232,"median":21.29489,"eighty":27.036258,"marketCap":1329083388},{"date":"2024-06-28","current":15.963683,"twenty":15.528232,"median":21.241443,"eighty":26.709283,"marketCap":1373196027},{"date":"2024-07-05","current":15.610015,"twenty":15.528232,"median":21.206728,"eighty":26.379031,"marketCap":1342773517},{"date":"2024-07-12","current":16.746173,"twenty":15.528232,"median":21.146129,"eighty":25.983374,"marketCap":1440505829},{"date":"2024-07-19","current":17.391617,"twenty":15.528232,"median":21.113339,"eighty":25.790016,"marketCap":1496026909},{"date":"2024-07-26","current":17.997273,"twenty":15.528232,"median":21.058606,"eighty":25.686316,"marketCap":1548125457},{"date":"2024-08-02","current":18.356694,"twenty":15.528232,"median":21.0353,"eighty":25.446963,"marketCap":1505046986},{"date":"2024-08-09","current":18.045404,"twenty":15.528232,"median":20.986811,"eighty":25.342889,"marketCap":1479524606},{"date":"2024-08-16","current":18.210482,"twenty":15.528232,"median":20.914184,"eighty":25.211876,"marketCap":1493059201},{"date":"2024-08-23","current":18.91796,"twenty":15.528232,"median":20.860022,"eighty":25.067151,"marketCap":1551064609},{"date":"2024-08-30","current":18.969842,"twenty":15.528232,"median":20.827902,"eighty":24.866309,"marketCap":1555318339},{"date":"2024-09-06","current":18.49819,"twenty":15.528232,"median":20.769172,"eighty":24.79879,"marketCap":1516648067},{"date":"2024-09-13","current":19.021723,"twenty":15.528232,"median":20.643639,"eighty":24.726046,"marketCap":1559572069},{"date":"2024-09-20","current":18.620819,"twenty":15.528232,"median":20.588256,"eighty":24.665466,"marketCap":1526702338},{"date":"2024-09-27","current":19.083038,"twenty":15.528232,"median":20.412875,"eighty":24.588958,"marketCap":1564599205},{"date":"2024-10-04","current":18.639685,"twenty":15.528232,"median":20.265615,"eighty":24.455114,"marketCap":1528249149},{"date":"2024-10-11","current":18.790614,"twenty":15.528232,"median":20.104231,"eighty":24.415479,"marketCap":1540623636},{"date":"2024-10-18","current":19.182085,"twenty":15.528232,"median":19.942821,"eighty":24.367383,"marketCap":1572719962},{"date":"2024-10-25","current":18.847212,"twenty":15.528232,"median":19.80889,"eighty":24.314684,"marketCap":1545264069},{"date":"2024-11-01","current":18.163317,"twenty":15.528232,"median":19.67071,"eighty":24.271288,"marketCap":1489192174},{"date":"2024-11-08","current":19.281132,"twenty":15.528232,"median":19.609743,"eighty":24.189016,"marketCap":1580840719},{"date":"2024-11-15","current":21.034961,"twenty":15.528232,"median":19.607684,"eighty":24.150182,"marketCap":1651433775},{"date":"2024-11-22","current":22.379359,"twenty":15.528232,"median":19.607684,"eighty":24.063847,"marketCap":1756981061},{"date":"2024-11-29","current":22.399806,"twenty":15.528232,"median":19.607684,"eighty":24.021979,"marketCap":1758586343},{"date":"2024-12-06","current":21.418345,"twenty":15.528232,"median":19.607684,"eighty":23.950194,"marketCap":1681532811},{"date":"2024-12-13","current":21.372339,"twenty":15.528232,"median":19.607684,"eighty":23.87961,"marketCap":1677920926},{"date":"2024-12-20","current":20.227301,"twenty":15.528232,"median":19.607684,"eighty":23.828664,"marketCap":1588025139},{"date":"2024-12-27","current":20.181295,"twenty":15.528232,"median":19.607684,"eighty":23.79092,"marketCap":1584413255},{"date":"2025-01-03","current":20.288642,"twenty":15.528232,"median":19.607684,"eighty":23.755138,"marketCap":1592840985},{"date":"2025-01-10","current":19.583217,"twenty":15.527844,"median":19.597389,"eighty":23.683064,"marketCap":1537458758},{"date":"2025-01-17","current":20.65669,"twenty":15.527844,"median":19.597389,"eighty":23.635577,"marketCap":1621736059},{"date":"2025-01-24","current":20.385766,"twenty":15.527844,"median":19.597389,"eighty":23.602955,"marketCap":1600466074},{"date":"2025-01-31","current":20.406213,"twenty":15.527844,"median":19.597389,"eighty":23.544065,"marketCap":1602071356},{"date":"2025-02-07","current":20.441995,"twenty":15.527844,"median":19.597389,"eighty":23.508667,"marketCap":1604880599},{"date":"2025-02-14","current":20.774261,"twenty":15.527844,"median":19.597389,"eighty":23.398628,"marketCap":1630966430},{"date":"2025-02-21","current":21.172979,"twenty":15.527844,"median":19.597389,"eighty":23.340704,"marketCap":1662269428},{"date":"2025-02-28","current":20.856204,"twenty":15.527844,"median":19.597389,"eighty":23.227027,"marketCap":1644949675},{"date":"2025-03-07","current":21.391894,"twenty":15.527071,"median":19.591212,"eighty":23.142458,"marketCap":1687200095},{"date":"2025-03-14","current":21.340876,"twenty":15.527071,"median":19.591212,"eighty":23.08958,"marketCap":1683176245},{"date":"2025-03-21","current":21.055175,"twenty":15.527071,"median":19.591212,"eighty":23.059635,"marketCap":1660642688},{"date":"2025-03-28","current":21.749021,"twenty":15.527071,"median":19.591212,"eighty":23.030798,"marketCap":1715367041},{"date":"2025-04-04","current":21.024564,"twenty":15.527071,"median":19.591212,"eighty":22.97188,"marketCap":1658228378},{"date":"2025-04-11","current":21.08684,"twenty":15.527844,"median":19.597389,"eighty":22.869,"marketCap":1663140139},{"date":"2025-04-17","current":21.970995,"twenty":15.527844,"median":19.597389,"eighty":22.769548,"marketCap":1732874323},{"date":"2025-04-25","current":22.461624,"twenty":15.527071,"median":19.591212,"eighty":22.719064,"marketCap":1771570749},{"date":"2025-05-02","current":22.07832,"twenty":15.527071,"median":19.591212,"eighty":22.615931,"marketCap":1741339166},{"date":"2025-05-09","current":16.767676,"twenty":15.527071,"median":19.55691,"eighty":22.534556,"marketCap":1726467020},{"date":"2025-05-16","current":16.090392,"twenty":15.527071,"median":19.471791,"eighty":22.478676,"marketCap":1656731136},{"date":"2025-05-23","current":15.835921,"twenty":15.527071,"median":19.410801,"eighty":22.42424,"marketCap":1630529792},{"date":"2025-05-30","current":16.012093,"twenty":15.527071,"median":19.37296,"eighty":22.407225,"marketCap":1648669184},{"date":"2025-06-06","current":15.585365,"twenty":15.527071,"median":19.340016,"eighty":22.366497,"marketCap":1604731545},{"date":"2025-06-13","current":15.769367,"twenty":15.527071,"median":19.300148,"eighty":22.322674,"marketCap":1623677132},{"date":"2025-06-20","current":15.546216,"twenty":15.526298,"median":19.27207,"eighty":22.283662,"marketCap":1600700569},{"date":"2025-06-27","current":15.616685,"twenty":15.519481,"median":19.14273,"eighty":22.244469,"marketCap":1607956326},{"date":"2025-07-03","current":16.160861,"twenty":15.519481,"median":19.125487,"eighty":22.210053,"marketCap":1663986892},{"date":"2025-07-11","current":16.364438,"twenty":15.519481,"median":19.097188,"eighty":22.130012,"marketCap":1684947968},{"date":"2025-07-18","current":16.352693,"twenty":15.519481,"median":19.083038,"eighty":22.123844,"marketCap":1683738675},{"date":"2025-07-25","current":15.976859,"twenty":15.519481,"median":19.054175,"eighty":22.103887,"marketCap":1645041305},{"date":"2025-08-01","current":15.62843,"twenty":15.519481,"median":19.017955,"eighty":22.073759,"marketCap":1609165619},{"date":"2025-08-08","current":15.879595,"twenty":15.519481,"median":18.983813,"eighty":22.062223,"marketCap":1639584081},{"date":"2025-08-15","current":16.188861,"twenty":15.519481,"median":18.930279,"eighty":22.055769,"marketCap":1671516056},{"date":"2025-08-22","current":16.141281,"twenty":15.519481,"median":18.894377,"eighty":21.996697,"marketCap":1666603444},{"date":"2025-08-29","current":16.375213,"twenty":15.519481,"median":18.873467,"eighty":21.961293,"marketCap":1690757117},{"date":"2025-09-05","current":16.474337,"twenty":15.519258,"median":18.866078,"eighty":21.943234,"marketCap":1700991724},{"date":"2025-09-12","current":16.736023,"twenty":15.519481,"median":18.807874,"eighty":21.923918,"marketCap":1728011088},{"date":"2025-09-19","current":16.807392,"twenty":15.519481,"median":18.729299,"eighty":21.855996,"marketCap":1735380005},{"date":"2025-09-26","current":17.322834,"twenty":15.519481,"median":18.64907,"eighty":21.821077,"marketCap":1788599963},{"date":"2025-10-03","current":17.536941,"twenty":15.519481,"median":18.620819,"eighty":21.798012,"marketCap":1810706714},{"date":"2025-10-10","current":17.318869,"twenty":15.519481,"median":18.559312,"eighty":21.768998,"marketCap":1788190578},{"date":"2025-10-17","current":18.012734,"twenty":15.519481,"median":18.49819,"eighty":21.748056,"marketCap":1859832829},{"date":"2025-10-24","current":18.758144,"twenty":15.519481,"median":18.49819,"eighty":21.708049,"marketCap":1936797075},{"date":"2025-10-31","current":18.32993,"twenty":15.519481,"median":18.489657,"eighty":21.684911,"marketCap":1892583572},{"date":"2025-11-07","current":19.236562,"twenty":15.519481,"median":18.451024,"eighty":21.624029,"marketCap":1933813086},{"date":"2025-11-14","current":19.926089,"twenty":15.519481,"median":18.451024,"eighty":21.61455,"marketCap":2003129846},{"date":"2025-11-21","current":19.65771,"twenty":15.519481,"median":18.451024,"eighty":21.589135,"marketCap":1976150269},{"date":"2025-11-28","current":20.310077,"twenty":15.519481,"median":18.451024,"eighty":21.560209,"marketCap":2041731395},{"date":"2025-12-05","current":19.079663,"twenty":15.519481,"median":18.451024,"eighty":21.527439,"marketCap":1918040410},{"date":"2025-12-12","current":19.174628,"twenty":15.519481,"median":18.451024,"eighty":21.502468,"marketCap":1927587030},{"date":"2025-12-19","current":19.595776,"twenty":15.519481,"median":18.451024,"eighty":21.475865,"marketCap":1969924213},{"date":"2025-12-26","current":19.443007,"twenty":15.519481,"median":18.451024,"eighty":21.468129,"marketCap":1954566607},{"date":"2026-01-02","current":19.298495,"twenty":15.519481,"median":18.451024,"eighty":21.444463,"marketCap":1940039143},{"date":"2026-01-09","current":19.397589,"twenty":15.519481,"median":18.451024,"eighty":21.425231,"marketCap":1950000833},{"date":"2026-01-16","current":19.39346,"twenty":15.519481,"median":18.451024,"eighty":21.404118,"marketCap":1949585762},{"date":"2026-01-23","current":19.31914,"twenty":15.519481,"median":18.451024,"eighty":21.395905,"marketCap":1942114495},{"date":"2026-01-30","current":19.426491,"twenty":15.519481,"median":18.451024,"eighty":21.37608,"marketCap":1952906326},{"date":"2026-02-06","current":20.058214,"twenty":15.519481,"median":18.451024,"eighty":21.344634,"marketCap":2016412100},{"date":"2026-02-13","current":20.570198,"twenty":15.519481,"median":18.451024,"eighty":21.338022,"marketCap":2067880832},{"date":"2026-02-19","current":20.272917,"twenty":15.519481,"median":18.451024,"eighty":21.314386,"marketCap":2037995762}],"updateTime":1771633475751},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"NWN\",pageSize:20,pageCount:1,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"20539762","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000191-NWN","pdf_url":"","pub_time":1765861200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000191/0001733998-25-000191-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-4.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000191/ex41-nwnaturalx28thsupplem.htm","primary":true,"translateUrl":"","linkName":"ex41-nwnaturalx28thsupplem.htm","type":"EX-4.1","id":"NTFILE8qzo5K8HG3mg5YVX","market":"us","size":207219},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000191/nwn-20251216.htm","primary":false,"translateUrl":"","linkName":"nwn-20251216.htm","type":"8-K","id":"NTFILE8cRk5efNgfRowwH2","market":"us","size":45502},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000191/nwn-20251216_g1.jpg","primary":false,"translateUrl":"","linkName":"nwn-20251216_g1.jpg","type":"GRAPHIC","id":"NTFILE4bA3xkCQTgghfGUw","market":"us","size":57055},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000191/nwn-20251216_g2.jpg","primary":false,"translateUrl":"","linkName":"nwn-20251216_g2.jpg","type":"GRAPHIC","id":"NTFILE56fbkuCTyMqtuiUE","market":"us","size":38736}],"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":"2025-12-16 13:00","pubTimestamp":1765861200,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20536256","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000189-NWN","pdf_url":"","pub_time":1765586102000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/0001733998-25-000189-index.html","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;\nItem 7.01: Regulation FD Disclosure;\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/73020/000173399825000189/a991pressrelease_generalco.htm","primary":true,"translateUrl":"","linkName":"a991pressrelease_generalco.htm","type":"EX-99.1","id":"NTFILE3kGiEZbgjY4ddKji","market":"us","size":10400},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000189/nwn-20251211.htm","primary":false,"translateUrl":"","linkName":"nwn-20251211.htm","type":"8-K","id":"NTFILECGh2grSqyrDJ2B2Z","market":"us","size":52778},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000189/nwn-20251211_g1.jpg","primary":false,"translateUrl":"","linkName":"nwn-20251211_g1.jpg","type":"GRAPHIC","id":"NTFILE99anoW9AA44rcWST","market":"us","size":57055},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000189/nwn-20251211_g2.jpg","primary":false,"translateUrl":"","linkName":"nwn-20251211_g2.jpg","type":"GRAPHIC","id":"NTFILE4bZTSFMTaVcgepj5","market":"us","size":38736}],"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":"2025-12-13 08:35","pubTimestamp":1765586102,"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;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20373139","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000176-NWN","pdf_url":"","pub_time":1762318800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NWN","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000176/0001733998-25-000176-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/73020/000173399825000176/nwn-20250930.htm","primary":true,"translateUrl":"","linkName":"nwn-20250930.htm","type":"10-Q","id":"NTFILEEqHRLMyeY1jV6DLt","market":"us","size":3422815},{"description":"EX-10.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/ex102northwestnaturalholdc.htm","primary":false,"translateUrl":"","linkName":"ex102northwestnaturalholdc.htm","type":"EX-10.2","id":"NTFILExpwJyvfEfTa5vXXs","market":"us","size":790379},{"description":"EX-10.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/ex103nwnopcosecondamendeda.htm","primary":false,"translateUrl":"","linkName":"ex103nwnopcosecondamendeda.htm","type":"EX-10.3","id":"NTFILE3WPpCJ99CG179D8v","market":"us","size":797612},{"description":"EX-10.4","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/ex104nwnsienergy2025credit.htm","primary":false,"translateUrl":"","linkName":"ex104nwnsienergy2025credit.htm","type":"EX-10.4","id":"NTFILEH7bmtEzwwdouz6KM","market":"us","size":804852},{"description":"EX-10.5","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/ex105northwestnaturalterml.htm","primary":false,"translateUrl":"","linkName":"ex105northwestnaturalterml.htm","type":"EX-10.5","id":"NTFILE88u592BmGZTzCmWd","market":"us","size":36494},{"description":"EX-31.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/ex3112025q3.htm","primary":false,"translateUrl":"","linkName":"ex3112025q3.htm","type":"EX-31.1","id":"NTFILE5tyYy78X7tkoye6C","market":"us","size":8077},{"description":"EX-31.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/ex3122025q3.htm","primary":false,"translateUrl":"","linkName":"ex3122025q3.htm","type":"EX-31.2","id":"NTFILE7nM8pdvd1Xcr1End","market":"us","size":8136},{"description":"EX-31.3","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/ex3132025q3.htm","primary":false,"translateUrl":"","linkName":"ex3132025q3.htm","type":"EX-31.3","id":"NTFILE33YnbccguFy36gmS","market":"us","size":8049},{"description":"EX-31.4","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/ex3142025q3.htm","primary":false,"translateUrl":"","linkName":"ex3142025q3.htm","type":"EX-31.4","id":"NTFILE8YsUvG46Y2BxPsqa","market":"us","size":8178},{"description":"EX-32.1","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/ex3212025q3.htm","primary":false,"translateUrl":"","linkName":"ex3212025q3.htm","type":"EX-32.1","id":"NTFILE8FKnUu64UFHqy1zy","market":"us","size":6046},{"description":"EX-32.2","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/ex3222025q3.htm","primary":false,"translateUrl":"","linkName":"ex3222025q3.htm","type":"EX-32.2","id":"NTFILE2Y87o6UhVrCC4Pzh","market":"us","size":6158},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/image_0.jpg","primary":false,"translateUrl":"","linkName":"image_0.jpg","type":"GRAPHIC","id":"NTFILE3cTrDKhh1SNxjEML","market":"us","size":1562},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/image_01.jpg","primary":false,"translateUrl":"","linkName":"image_01.jpg","type":"GRAPHIC","id":"NTFILEAB2SkKe6bUjKUvaF","market":"us","size":1562},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/image_01a.jpg","primary":false,"translateUrl":"","linkName":"image_01a.jpg","type":"GRAPHIC","id":"NTFILE7huywFwZz2YqhqmE","market":"us","size":1562},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/nwn-20250930_g1.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250930_g1.jpg","type":"GRAPHIC","id":"NTFILE7bVhZDCW67MBYn9A","market":"us","size":57055},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000176/nwn-20250930_g2.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250930_g2.jpg","type":"GRAPHIC","id":"NTFILE3EerBmRgjswvn9vo","market":"us","size":38736}],"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":"2025-11-05 13:00","pubTimestamp":1762318800,"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":"20373137","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000174-NWN","pdf_url":"","pub_time":1762318800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000174/0001733998-25-000174-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/73020/000173399825000174/a2025q3ex991pressreleasedo.htm","primary":true,"translateUrl":"","linkName":"a2025q3ex991pressreleasedo.htm","type":"EX-99.1","id":"NTFILEEEMzvdyNYdZYYkX2","market":"us","size":444391},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000174/nwn-20251105.htm","primary":false,"translateUrl":"","linkName":"nwn-20251105.htm","type":"8-K","id":"NTFILEFyaDimymANd2G91G","market":"us","size":52376},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000174/nwn-20251105_g1.jpg","primary":false,"translateUrl":"","linkName":"nwn-20251105_g1.jpg","type":"GRAPHIC","id":"NTFILE3hM4G5FVHKrUVgBn","market":"us","size":57055},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000174/nwn-20251105_g2.jpg","primary":false,"translateUrl":"","linkName":"nwn-20251105_g2.jpg","type":"GRAPHIC","id":"NTFILEBztvDz1HccDQSHLU","market":"us","size":38736},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000174/nwnholdingslogohza26.jpg","primary":false,"translateUrl":"","linkName":"nwnholdingslogohza26.jpg","type":"GRAPHIC","id":"NTFILEDZmBwQVn77qdvSx3","market":"us","size":64564}],"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 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":"20325678","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000172-NWN","pdf_url":"","pub_time":1761605197000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/0001733998-25-000172-index.html","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000172/nwn-20251024_g1.jpg","primary":true,"translateUrl":"","linkName":"nwn-20251024_g1.jpg","type":"GRAPHIC","id":"NTFILEHbWDu3UiDVYUGixw","market":"us","size":57055},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000172/nwn-20251024.htm","primary":false,"translateUrl":"","linkName":"nwn-20251024.htm","type":"8-K","id":"NTFILE3cRT4CWEQHGphSQk","market":"us","size":48445},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000172/nwn-20251024_g2.jpg","primary":false,"translateUrl":"","linkName":"nwn-20251024_g2.jpg","type":"GRAPHIC","id":"NTFILEAZpry9J7yQjzLPJV","market":"us","size":38736}],"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":"2025-10-28 06:46","pubTimestamp":1761605197,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20282587","market":"us","labels":[],"media":"sec.gov","original_id":"AN194984625000535-NWN","pdf_url":"","pub_time":1760971509000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NWN","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/0001949846-25-000535-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/1241405/000194984625000535/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEEix1vtFBo2dA5EHz","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":"2025-10-20 22:45","pubTimestamp":1760971509,"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":"20121352","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000144-NWN","pdf_url":"","pub_time":1756508656000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/0001733998-25-000144-index.html","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000144/nwn-20250829_g1.jpg","primary":true,"translateUrl":"","linkName":"nwn-20250829_g1.jpg","type":"GRAPHIC","id":"NTFILEFUxapM94u5e7DGbB","market":"us","size":57055},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000144/nwn-20250829.htm","primary":false,"translateUrl":"","linkName":"nwn-20250829.htm","type":"8-K","id":"NTFILE7MYYZTJ21ftMSuij","market":"us","size":55379},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000144/nwn-20250829_g2.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250829_g2.jpg","type":"GRAPHIC","id":"NTFILE8XnwMaaTFZVnNg4p","market":"us","size":38736}],"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":"2025-08-30 07:04","pubTimestamp":1756508656,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20063885","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000142-NWN","pdf_url":"","pub_time":1756157611000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/0001733998-25-000142-index.html","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000142/nwn-20250825_g1.jpg","primary":true,"translateUrl":"","linkName":"nwn-20250825_g1.jpg","type":"GRAPHIC","id":"NTFILE34kLnVa6VvfSm34N","market":"us","size":6027},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000142/nwn-20250825.htm","primary":false,"translateUrl":"","linkName":"nwn-20250825.htm","type":"8-K","id":"NTFILEA9FGenZTxzFetXkq","market":"us","size":32065}],"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":"2025-08-26 05:33","pubTimestamp":1756157611,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19949725","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000130-NWN","pdf_url":"","pub_time":1754366400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000130/0001733998-25-000130-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/73020/000173399825000130/a2025q2ex991pressreleasedo.htm","primary":true,"translateUrl":"","linkName":"a2025q2ex991pressreleasedo.htm","type":"EX-99.1","id":"NTFILEC3D8zGKiZy7nSPKm","market":"us","size":428414},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000130/nwn-20250805.htm","primary":false,"translateUrl":"","linkName":"nwn-20250805.htm","type":"8-K","id":"NTFILE7wGpzkkQY1eHQQvN","market":"us","size":51330},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000130/nwn-20250805_g1.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250805_g1.jpg","type":"GRAPHIC","id":"NTFILE8b1ZvAz92sUkFTwK","market":"us","size":57055},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000130/nwn-20250805_g2.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250805_g2.jpg","type":"GRAPHIC","id":"NTFILE6JoxzAfDS2UAkJ5M","market":"us","size":38736},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000130/nwnholdingslogohza26.jpg","primary":false,"translateUrl":"","linkName":"nwnholdingslogohza26.jpg","type":"GRAPHIC","id":"NTFILE8q1UMvmnZyTTMGxh","market":"us","size":64564}],"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":"2025-08-05 12:00","pubTimestamp":1754366400,"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":"19949722","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000132-NWN","pdf_url":"","pub_time":1754366400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NWN","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000132/0001733998-25-000132-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/73020/000173399825000132/nwn-20250630.htm","primary":true,"translateUrl":"","linkName":"nwn-20250630.htm","type":"10-Q","id":"NTFILE5DVHnboAuZ6gy2Lg","market":"us","size":3258956},{"description":"EX-3.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000132/exh32-nwngasxbylawsjuly2025.htm","primary":false,"translateUrl":"","linkName":"exh32-nwngasxbylawsjuly2025.htm","type":"EX-3.2","id":"NTFILEFzYMoZPUXKG7cm7i","market":"us","size":107910},{"description":"EX-10.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000132/ex101dcpplanrestatementaug.htm","primary":false,"translateUrl":"","linkName":"ex101dcpplanrestatementaug.htm","type":"EX-10.1","id":"NTFILE6d1jCawfHayFSDoB","market":"us","size":120363},{"description":"EX-31.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000132/ex3112025q2.htm","primary":false,"translateUrl":"","linkName":"ex3112025q2.htm","type":"EX-31.1","id":"NTFILEBkyW5jG3QVQyMd36","market":"us","size":8070},{"description":"EX-31.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000132/ex3122025q2.htm","primary":false,"translateUrl":"","linkName":"ex3122025q2.htm","type":"EX-31.2","id":"NTFILECsBGT1RzdT3kkjCt","market":"us","size":8129},{"description":"EX-31.3","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000132/ex3132025q2.htm","primary":false,"translateUrl":"","linkName":"ex3132025q2.htm","type":"EX-31.3","id":"NTFILE8dZ6EmisoVhN45Dm","market":"us","size":8042},{"description":"EX-31.4","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000132/ex3142025q2.htm","primary":false,"translateUrl":"","linkName":"ex3142025q2.htm","type":"EX-31.4","id":"NTFILE88J21EsmktKGQuFs","market":"us","size":8171},{"description":"EX-32.1","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000132/ex3212025q2.htm","primary":false,"translateUrl":"","linkName":"ex3212025q2.htm","type":"EX-32.1","id":"NTFILE67CfNRiZNG9SFshu","market":"us","size":6038},{"description":"EX-32.2","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000132/ex3222025q2.htm","primary":false,"translateUrl":"","linkName":"ex3222025q2.htm","type":"EX-32.2","id":"NTFILE4b4pBE3RWccULsh9","market":"us","size":6150},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000132/image_0a.jpg","primary":false,"translateUrl":"","linkName":"image_0a.jpg","type":"GRAPHIC","id":"NTFILEHftWrU4wrFfAzoXU","market":"us","size":440},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000132/nwn-20250630_g1.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250630_g1.jpg","type":"GRAPHIC","id":"NTFILEDWBuhpKrY7KAKUci","market":"us","size":57055},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000132/nwn-20250630_g2.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250630_g2.jpg","type":"GRAPHIC","id":"NTFILEDsfD45aRLKNAbNdV","market":"us","size":38736}],"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":"2025-08-05 12:00","pubTimestamp":1754366400,"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":"19913588","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000125-NWN","pdf_url":"","pub_time":1753416000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000125/0001733998-25-000125-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-3.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000125/ex31northwestnaturalholdin.htm","primary":true,"translateUrl":"","linkName":"ex31northwestnaturalholdin.htm","type":"EX-3.1","id":"NTFILE6YpCHKv61gELPYVJ","market":"us","size":108256},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000125/nwn-20250723.htm","primary":false,"translateUrl":"","linkName":"nwn-20250723.htm","type":"8-K","id":"NTFILE9AU9X8Bf4QSPVZoB","market":"us","size":33335},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000125/nwn-20250723_g1.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250723_g1.jpg","type":"GRAPHIC","id":"NTFILEJ9VPPPWSj4p9RpFq","market":"us","size":6027}],"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":"2025-07-25 12:00","pubTimestamp":1753416000,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19897307","market":"us","labels":[],"media":"sec.gov","original_id":"AN194984625000321-NWN","pdf_url":"","pub_time":1753070400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NWN","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/000194984625000321/0001949846-25-000321-index.htm","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/1241405/000194984625000321/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEDWnsiwJeSrWh5yRo","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":"2025-07-21 12:00","pubTimestamp":1753070400,"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":"19848331","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000117-NWN","pdf_url":"","pub_time":1751502794000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/0001733998-25-000117-index.html","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;\nItem 7.01: Regulation FD Disclosure;\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/1733998/000173399825000117/ex991pressreleasedatedjuly.htm","primary":true,"translateUrl":"","linkName":"ex991pressreleasedatedjuly.htm","type":"EX-99.1","id":"NTFILE4BtvhKu619Dn7RtA","market":"us","size":9054},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000117/nwn-20250630.htm","primary":false,"translateUrl":"","linkName":"nwn-20250630.htm","type":"8-K","id":"NTFILE8iqtEfjmz7je95N5","market":"us","size":38645},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000117/image_0.jpg","primary":false,"translateUrl":"","linkName":"image_0.jpg","type":"GRAPHIC","id":"NTFILE2SFC5E3KdECTnnF3","market":"us","size":9497},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000117/image_1.jpg","primary":false,"translateUrl":"","linkName":"image_1.jpg","type":"GRAPHIC","id":"NTFILE1JwJnY15AjXnYWUv","market":"us","size":8989},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000117/nwn-20250630_g1.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250630_g1.jpg","type":"GRAPHIC","id":"NTFILEHvFDT8RdLkCHRGRH","market":"us","size":6027}],"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":"2025-07-03 08:33","pubTimestamp":1751502794,"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;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19813161","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000115-NWN","pdf_url":"","pub_time":1750910400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","symbol":"NWN","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/1733998/000173399825000115/0001733998-25-000115-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":"11-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000115/a2024form11-k.htm","primary":true,"translateUrl":"","linkName":"a2024form11-k.htm","type":"11-K","id":"NTFILE7iaqD7P5dNqsrmbh","market":"us","size":224780},{"description":"EX-23","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000115/a2024exhibit23consent11-k.htm","primary":false,"translateUrl":"","linkName":"a2024exhibit23consent11-k.htm","type":"EX-23","id":"NTFILE4gWLdRZFg9EwqYxq","market":"us","size":2162},{"description":"","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000115/image.jpg","primary":false,"translateUrl":"","linkName":"image.jpg","type":"GRAPHIC","id":"NTFILE9s3BCmDqx7tA8boN","market":"us","size":134725}],"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":"2025-06-26 12:00","pubTimestamp":1750910400,"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":"19803805","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000111-NWN","pdf_url":"","pub_time":1750737600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000111/0001733998-25-000111-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000111/nwn-20250623_g1.jpg","primary":true,"translateUrl":"","linkName":"nwn-20250623_g1.jpg","type":"GRAPHIC","id":"NTFILEFnccjL7uqvwPLc7C","market":"us","size":57055},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000111/nwn-20250623.htm","primary":false,"translateUrl":"","linkName":"nwn-20250623.htm","type":"8-K","id":"NTFILEFXcjyR7ABGvETt9U","market":"us","size":47784},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000111/nwn-20250623_g2.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250623_g2.jpg","type":"GRAPHIC","id":"NTFILEHG7rynBX6Nez7hdK","market":"us","size":38736}],"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":"2025-06-24 12:00","pubTimestamp":1750737600,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19699868","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000108-NWN","pdf_url":"","pub_time":1748040903000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/0001733998-25-000108-index.html","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;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000108/exhibit101nwholdingsltip.htm","primary":true,"translateUrl":"","linkName":"exhibit101nwholdingsltip.htm","type":"EX-10.1","id":"NTFILEJ3ceHaoMfgXMtVBv","market":"us","size":41736},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000108/nwn-20250522.htm","primary":false,"translateUrl":"","linkName":"nwn-20250522.htm","type":"8-K","id":"NTFILE7vCA8CerqAovp5oC","market":"us","size":61236},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000108/nwn-20250522_g1.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250522_g1.jpg","type":"GRAPHIC","id":"NTFILEFZRziTnL2B5htpx3","market":"us","size":6027}],"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":"2025-05-24 06:55","pubTimestamp":1748040903,"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;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19604957","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000094-NWN","pdf_url":"","pub_time":1746504000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NWN","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000094/0001733998-25-000094-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/73020/000173399825000094/nwn-20250331.htm","primary":true,"translateUrl":"","linkName":"nwn-20250331.htm","type":"10-Q","id":"NTFILEH2J7mByJEo595TAN","market":"us","size":2533704},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000094/ex3112025q1.htm","primary":false,"translateUrl":"","linkName":"ex3112025q1.htm","type":"EX-31.1","id":"NTFILEbSpzMM4YogEKLDfi","market":"us","size":8068},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000094/ex3122025q1.htm","primary":false,"translateUrl":"","linkName":"ex3122025q1.htm","type":"EX-31.2","id":"NTFILEEuXSpDYW9D2rtmEo","market":"us","size":8127},{"description":"EX-31.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000094/ex3132025q1.htm","primary":false,"translateUrl":"","linkName":"ex3132025q1.htm","type":"EX-31.3","id":"NTFILEGkgJQ4Vh4ppgR1Dm","market":"us","size":8040},{"description":"EX-31.4","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000094/ex3142025q1.htm","primary":false,"translateUrl":"","linkName":"ex3142025q1.htm","type":"EX-31.4","id":"NTFILE2W6p4t4XVMwvW2ZY","market":"us","size":8169},{"description":"EX-32.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000094/ex3212025q1.htm","primary":false,"translateUrl":"","linkName":"ex3212025q1.htm","type":"EX-32.1","id":"NTFILECp4DrNAu3Zqxetnz","market":"us","size":6036},{"description":"EX-32.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000094/ex3222025q1.htm","primary":false,"translateUrl":"","linkName":"ex3222025q1.htm","type":"EX-32.2","id":"NTFILEEP16dXj975ozWVQV","market":"us","size":6148},{"description":"null","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000094/nwn-20250331_g1.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250331_g1.jpg","type":"GRAPHIC","id":"NTFILE3LHT4sotBU9Ugthd","market":"us","size":57055},{"description":"null","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/73020/000173399825000094/nwn-20250331_g2.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250331_g2.jpg","type":"GRAPHIC","id":"NTFILE299zz4QNvGKeNX19","market":"us","size":38736}],"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":"2025-05-06 12:00","pubTimestamp":1746504000,"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":"19604956","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000091-NWN","pdf_url":"","pub_time":1746504000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NWN","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000091/0001733998-25-000091-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\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/1733998/000173399825000091/a2025q1ex991pressreleasedo.htm","primary":true,"translateUrl":"","linkName":"a2025q1ex991pressreleasedo.htm","type":"EX-99.1","id":"NTFILE9t6eAnLS8ZmZQcLV","market":"us","size":319848},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000091/nwn-20250506.htm","primary":false,"translateUrl":"","linkName":"nwn-20250506.htm","type":"8-K","id":"NTFILEGYr1wDMuxZmGJjCY","market":"us","size":54842},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000091/q12025earningsreleasepre.htm","primary":false,"translateUrl":"","linkName":"q12025earningsreleasepre.htm","type":"EX-99.2","id":"NTFILE5NBDefD3E7xpUsPQ","market":"us","size":19712},{"description":"null","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000091/nwn-20250506_g1.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250506_g1.jpg","type":"GRAPHIC","id":"NTFILE4x4eLqj4RGTaGAjK","market":"us","size":57055},{"description":"null","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000091/nwn-20250506_g2.jpg","primary":false,"translateUrl":"","linkName":"nwn-20250506_g2.jpg","type":"GRAPHIC","id":"NTFILECxF6p9yGG5dBBdHd","market":"us","size":38736},{"description":"null","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000091/nwnholdingslogohza26a.jpg","primary":false,"translateUrl":"","linkName":"nwnholdingslogohza26a.jpg","type":"GRAPHIC","id":"NTFILE48p41Dh3YixhBCN1","market":"us","size":64564},{"description":"null","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000091/q12025earningsreleasepre001.jpg","primary":false,"translateUrl":"","linkName":"q12025earningsreleasepre001.jpg","type":"GRAPHIC","id":"NTFILEE24iBpLxyCdMYq1j","market":"us","size":639129},{"description":"null","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000091/q12025earningsreleasepre002.jpg","primary":false,"translateUrl":"","linkName":"q12025earningsreleasepre002.jpg","type":"GRAPHIC","id":"NTFILEAZ8HjmHNG8CzYh7h","market":"us","size":519585},{"description":"null","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000091/q12025earningsreleasepre003.jpg","primary":false,"translateUrl":"","linkName":"q12025earningsreleasepre003.jpg","type":"GRAPHIC","id":"NTFILEATtcrwNsG7FH4DT7","market":"us","size":330400},{"description":"null","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000091/q12025earningsreleasepre004.jpg","primary":false,"translateUrl":"","linkName":"q12025earningsreleasepre004.jpg","type":"GRAPHIC","id":"NTFILEFt8HM3uceKtpumbg","market":"us","size":89358}],"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":"2025-05-06 12:00","pubTimestamp":1746504000,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19326716","market":"us","labels":[],"media":"sec.gov","original_id":"AN173399825000084-NWN","pdf_url":"","pub_time":1743393600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NWN","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/000173399825000084/0001733998-25-000084-index.htm","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/1538965/000173399825000084/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEGbPTFeBf3rraS8ht","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":"2025-03-31 12:00","pubTimestamp":1743393600,"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":"19276997","market":"us","labels":[],"media":"sec.gov","original_id":"AN194984625000147-NWN","pdf_url":"","pub_time":1742788800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"NWN","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1733998/000194984625000147/0001949846-25-000147-index.htm","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/1241405/000194984625000147/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE75EZJvhSNzSZ1biR","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":"2025-03-24 12:00","pubTimestamp":1742788800,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":10,"pageCount":1,"totalSize":196,"code":"91000000","status":"200"}]}}