ENG/中
老虎證券
行情
交易
收費
下載
優惠與活動
幫助
TigerAI
學堂
期權訓練營
投資學堂
機構
財富及資產管理人
自營交易機構
介紹經紀商
三方服務商
股權激勵
關於
關於我們
媒體報道
獎項與榮譽
登入
立即註冊
Toggle
美股
詳情
本頁面由Tiger Trade Technology Pte. Ltd.提供服務
National Presto Industries Inc
154.28
+6.31
4.26%
盤後:
154.28
0.0000
0.00%
19:30 EDT
成交量:
9.09萬
成交額:
1,384.65萬
市值:
11.03億
市盈率:
25.80
高:
154.79
開:
149.74
低:
149.35
收:
147.97
52周最高:
158.17
52周最低:
91.28
股本:
715.19萬
流通股本:
501.19萬
量比:
1.09
換手率:
1.81%
股息:
1
股息率:
0.65%
每股收益(TTM):
5.98
每股收益(LYR):
4.63
淨資產收益率:
10.90%
總資產收益率:
6.54%
市淨率:
2.68
市盈率(LYR):
33.33
資料載入中...
總覽
公司
新聞
公告
2024/08/01
重要事件披露
Form 8-K - Current report
2024/05/23
重要事件披露
Form 8-K - Current report
2024/05/16
重要事件披露
Form 8-K - Current report
2024/05/10
季度報告
Form 10-Q - Quarterly report [Sections 13 or 15(d)]
2024/04/30
重要事件披露
Form 8-K - Current report
2024/03/27
重要事件披露
Form 8-K - Current report
2024/03/15
年度報告
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]
2024/02/20
重要事件披露
Form 8-K - Current report
2024/02/14
超過5%披露
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
2023/11/14
季度報告
Form 10-Q - Quarterly report [Sections 13 or 15(d)]
2023/11/03
重要事件披露
Form 8-K - Current report
2023/08/11
季度報告
Form 10-Q - Quarterly report [Sections 13 or 15(d)]
2023/07/31
重要事件披露
Form 8-K - Current report
2023/06/01
重要事件披露
Form 8-K - Current report
2023/05/19
重要事件披露
Form 8-K - Current report
2023/05/12
季度報告
10-Q - Quarterly report [Sections 13 or 15(d)]
2023/05/08
重要事件披露
8-K - Current report
2023/04/05
重要事件披露
8-K - Current report
2023/03/13
年度報告
10-K - Annual report [Section 13 and 15(d), not S-K Item 405]
2023/02/22
重要事件披露
8-K - Current report
更多
{"basename":"/hant","ssrTDKData":{"titleTemplate":"%s - 老虎證券","title":"老虎證券香港 | 輕鬆買賣美股港股A股/美債/ETF/Crypto/期權期貨","description":"老虎證券香港提供多種優惠: 港股&Crypto 0佣、A股一年0佣、美股期權0佣、IPO抽新股0孖展利息0手續費。美股1美金起投,即時串流報價與多種工具,立即開戶享更多優惠!","keywords":"老虎證券,老虎證券開戶,老虎證券香港,老虎證券投資,老虎證券美股,老虎證券登錄,證券開戶,證券公司開戶,股票開戶,香港證券公司,香港證券,證券公司,美股投資平台,小額投資理財,投資app,投資平台,股票買賣,買賣股票平台,炒股app,證券app,新手投資","social":{"ogDescription":"老虎證券香港提供多種優惠: 港股&Crypto 0佣、A股一年0佣、美股期權0佣、IPO抽新股0孖展利息0手續費。美股1美金起投,即時串流報價與多種工具,立即開戶享更多優惠!","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://www.atigrcrest.com/hant/stock/NPK/filings?page=3"},"companyName":"老虎證券"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"HKG","license":"TBHK","edition":"fundamental","symbol":"NPK","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NPK\",,,,,undefined,":{"symbol":"NPK","market":"US","secType":"STK","nameCN":"National Presto Industries Inc","latestPrice":154.28,"timestamp":1789156800000,"preClose":147.97,"halted":0,"volume":90861,"hourTrading":{"tag":"盘后","latestPrice":154.28,"preClose":154.28,"latestTime":"19:30 EDT","volume":957,"amount":147645.96,"timestamp":1789169406987,"change":0,"changeRate":0,"amplitude":0},"delay":0,"changeRate":0.04264377914442118,"floatShares":5011947,"shares":7151940,"eps":5.978929,"marketStatus":"休市中","change":6.31,"latestTime":"09-11 16:00:00 EDT","open":149.74,"high":154.79,"low":149.35,"amount":13846486.786169998,"amplitude":0.036764,"askPrice":0,"askSize":0,"bidPrice":0,"bidSize":0,"shortable":3,"etf":0,"ttmEps":5.978929,"tradingStatus":0,"nextMarketStatus":{"tag":"盤前交易","tradingStatus":1,"beginTime":1789372800000},"marketStatusCode":7,"adr":0,"adrRate":0,"exchange":"NYSE","adjPreClose":147.97,"dividendRate":0.006482,"postHourTrading":{"tag":"盘后","latestPrice":154.28,"preClose":154.28,"latestTime":"19:30 EDT","volume":957,"amount":147645.96,"timestamp":1789169406987,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":1.090639995687768},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NPK\",,,,,undefined,":{"symbol":"NPK","floatShares":5011947,"roa":"6.54%","roe":"10.90%","lyrEps":4.629075,"volumeRatio":1.090639995687768,"shares":7151940,"dividePrice":1,"high":154.79,"amplitude":0.036764,"preClose":147.97,"low":149.35,"week52Low":91.28,"pbRate":"2.68","psRate":"2.03","week52High":158.17,"institutionHeld":0.6235,"latestPrice":154.28,"eps":5.978929,"divideRate":0.006482,"volume":90861,"delay":0,"ttmEps":5.978929,"open":149.74,"prevYearClose":106.76,"prevWeekClose":147.72,"prevMonthClose":151.71,"prevQuarterClose":124.99,"fiveDayClose":144.7,"twentyDayClose":137.8,"sixtyDayClose":128.08,"dividendPayoutRate":0.21602587990041205,"dividendFrequency":"A","dividendGrowthYears":0,"dividendGrowthRate":-0.7777777777777778,"fiveYearAvgDividendRate":0.04949439624189851},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/NPK\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-07-31","symbol":"NPK","fiscalQuarterEnding":null,"expectedEps":null,"name":null,"time":"盤後","type":"earning","dateTimestamp":1785470400000,"reportTimeType":"post","actualEps":null},{"market":"US","date":"2026-05-01","symbol":"NPK","fiscalQuarterEnding":null,"expectedEps":null,"name":null,"time":"盤後","type":"earning","dateTimestamp":1777608000000,"reportTimeType":"post","actualEps":null},{"date":"2026-03-09","symbol":"NPK","amount":1,"announcedDate":"2026-02-27","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-03-09","defaultRemindTime":1773063000000,"name":"National Presto Industries Inc","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-03-20","payableDate":"2026-03-09","currency":"USD","dateTimestamp":1773028800000,"payDate":"2026-03-20"},{"market":"US","date":"2026-02-27","symbol":"NPK","fiscalQuarterEnding":null,"expectedEps":null,"name":null,"time":"盤後","type":"earning","dateTimestamp":1772168400000,"reportTimeType":"post","actualEps":null},{"market":"US","date":"2025-10-24","symbol":"NPK","fiscalQuarterEnding":null,"expectedEps":null,"name":null,"time":"盤後","type":"earning","dateTimestamp":1761278400000,"reportTimeType":"post","actualEps":null}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"NPK\",market:\"US\",,,undefined,":[{"executeDate":"2017-02-27","recordDate":"2017-03-01","paymentDate":"2017-03-15","value":4.5,"currency":"USD"},{"executeDate":"2018-02-28","recordDate":"2018-03-01","paymentDate":"2018-03-15","value":5,"currency":"USD"},{"executeDate":"2020-02-28","recordDate":"2020-03-02","paymentDate":"2020-03-13","value":5,"currency":"USD"},{"executeDate":"2021-02-26","recordDate":"2021-03-01","paymentDate":"2021-03-12","value":5.25,"currency":"USD"},{"executeDate":"2022-02-28","recordDate":"2022-03-01","paymentDate":"2022-03-15","value":4.5,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"NPK\",market:\"US\",delay:false,,,undefined,":{},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/NPK\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"NPK","date":"2026-09-11","current":25.803953,"percent":0.804348,"low":12.887974,"twenty":16.191963,"median":20.42292,"eighty":24.615168,"high":32.458447,"avg":20.842326,"sd":4.649997,"marketCap":1055923833},"quantilePoints":[{"date":"2021-09-17","current":13.113244,"twenty":13.693964,"median":17.530991,"eighty":19.21987,"marketCap":581755955},{"date":"2021-09-24","current":13.144972,"twenty":13.659158,"median":17.492078,"eighty":19.21987,"marketCap":583163542},{"date":"2021-10-01","current":13.232225,"twenty":13.609306,"median":17.458526,"eighty":19.21987,"marketCap":587034408},{"date":"2021-10-08","current":13.160836,"twenty":13.576801,"median":17.455768,"eighty":19.219015,"marketCap":583867336},{"date":"2021-10-15","current":13.167182,"twenty":13.554973,"median":17.455768,"eighty":19.219015,"marketCap":584148854},{"date":"2021-10-22","current":13.205256,"twenty":13.51259,"median":17.455768,"eighty":19.219015,"marketCap":585837959},{"date":"2021-10-29","current":13.190978,"twenty":13.475328,"median":17.455337,"eighty":19.219015,"marketCap":585204544},{"date":"2021-11-05","current":14.011151,"twenty":13.47258,"median":17.455337,"eighty":19.219015,"marketCap":621590684},{"date":"2021-11-12","current":17.31656,"twenty":13.47258,"median":17.448341,"eighty":19.219015,"marketCap":629543554},{"date":"2021-11-19","current":16.729985,"twenty":13.47258,"median":17.448341,"eighty":19.219015,"marketCap":608218601},{"date":"2021-11-26","current":16.047329,"twenty":13.47258,"median":17.445752,"eighty":19.219015,"marketCap":583400656},{"date":"2021-12-03","current":15.909842,"twenty":13.47258,"median":17.425606,"eighty":19.219015,"marketCap":578402292},{"date":"2021-12-10","current":16.0086,"twenty":13.473006,"median":17.360143,"eighty":19.21816,"marketCap":581992666},{"date":"2021-12-17","current":15.704578,"twenty":13.473006,"median":17.273857,"eighty":19.215702,"marketCap":570939945},{"date":"2021-12-23","current":15.92146,"twenty":13.473006,"median":17.224584,"eighty":19.205228,"marketCap":578824689},{"date":"2021-12-31","current":15.884668,"twenty":13.473006,"median":17.184504,"eighty":19.183992,"marketCap":577487098},{"date":"2022-01-07","current":16.173198,"twenty":13.473431,"median":17.150039,"eighty":19.1741,"marketCap":587976624},{"date":"2022-01-14","current":16.953586,"twenty":13.473431,"median":17.117631,"eighty":19.163217,"marketCap":616347622},{"date":"2022-01-21","current":15.998918,"twenty":13.473431,"median":16.982061,"eighty":19.159377,"marketCap":581640669},{"date":"2022-01-28","current":15.896286,"twenty":13.473431,"median":16.904231,"eighty":19.153221,"marketCap":577909495},{"date":"2022-02-04","current":15.849812,"twenty":13.473431,"median":16.849887,"eighty":19.142253,"marketCap":576219907},{"date":"2022-02-11","current":16.022155,"twenty":13.473431,"median":16.799263,"eighty":19.126104,"marketCap":582485463},{"date":"2022-02-18","current":15.328908,"twenty":13.473431,"median":16.645474,"eighty":19.100977,"marketCap":557282442},{"date":"2022-02-25","current":16.169325,"twenty":13.473431,"median":16.623403,"eighty":19.071317,"marketCap":587835825},{"date":"2022-03-04","current":15.752989,"twenty":13.473431,"median":16.581293,"eighty":19.071317,"marketCap":572699932},{"date":"2022-03-11","current":21.852,"twenty":13.473431,"median":16.518459,"eighty":19.074144,"marketCap":560591218},{"date":"2022-03-18","current":21.160617,"twenty":13.473431,"median":16.518459,"eighty":19.108887,"marketCap":542854476},{"date":"2022-03-25","current":21.761834,"twenty":13.473431,"median":16.518459,"eighty":19.134474,"marketCap":558278079},{"date":"2022-04-01","current":21.468089,"twenty":13.473431,"median":16.518459,"eighty":19.14566,"marketCap":550742346},{"date":"2022-04-08","current":21.23474,"twenty":13.473431,"median":16.518459,"eighty":19.155644,"marketCap":544756016},{"date":"2022-04-14","current":21.275919,"twenty":13.473431,"median":16.518459,"eighty":19.15979,"marketCap":545812427},{"date":"2022-04-22","current":21.130812,"twenty":13.473431,"median":16.518459,"eighty":19.17326,"marketCap":542089850},{"date":"2022-04-29","current":19.624424,"twenty":13.473431,"median":16.518459,"eighty":19.173399,"marketCap":503444980},{"date":"2022-05-06","current":20.112759,"twenty":13.473431,"median":16.518459,"eighty":19.181103,"marketCap":515972713},{"date":"2022-05-13","current":25.330595,"twenty":13.473431,"median":16.518459,"eighty":19.190991,"marketCap":495871718},{"date":"2022-05-20","current":23.902449,"twenty":13.473431,"median":16.518459,"eighty":19.215452,"marketCap":467914349},{"date":"2022-05-27","current":24.649846,"twenty":13.473431,"median":16.518459,"eighty":19.233787,"marketCap":482545395},{"date":"2022-06-03","current":24.912884,"twenty":13.473431,"median":16.518459,"eighty":19.240289,"marketCap":487694615},{"date":"2022-06-10","current":24.094946,"twenty":13.473431,"median":16.518459,"eighty":19.260204,"marketCap":471682657},{"date":"2022-06-17","current":22.405021,"twenty":13.473431,"median":16.518459,"eighty":19.260204,"marketCap":438600682},{"date":"2022-06-24","current":23.648142,"twenty":13.473006,"median":16.51516,"eighty":19.260614,"marketCap":462936037},{"date":"2022-07-01","current":23.824702,"twenty":13.473006,"median":16.51516,"eighty":19.272689,"marketCap":466392363},{"date":"2022-07-08","current":23.813892,"twenty":13.473006,"median":16.51516,"eighty":19.278159,"marketCap":466180751},{"date":"2022-07-15","current":24.062516,"twenty":13.473006,"median":16.51516,"eighty":19.278159,"marketCap":471047822},{"date":"2022-07-22","current":24.923694,"twenty":13.473006,"median":16.51516,"eighty":19.278159,"marketCap":487906227},{"date":"2022-07-29","current":25.655154,"twenty":13.473006,"median":16.51516,"eighty":19.278159,"marketCap":502225291},{"date":"2022-08-05","current":26.646048,"twenty":13.473006,"median":16.51516,"eighty":19.278159,"marketCap":521623037},{"date":"2022-08-12","current":31.839043,"twenty":13.473006,"median":16.51516,"eighty":19.281889,"marketCap":540244874},{"date":"2022-08-19","current":31.535576,"twenty":13.473006,"median":16.51516,"eighty":19.308689,"marketCap":535095654},{"date":"2022-08-26","current":29.56205,"twenty":13.473006,"median":16.51516,"eighty":19.331788,"marketCap":501608858},{"date":"2022-09-02","current":27.894298,"twenty":13.473006,"median":16.51516,"eighty":19.350096,"marketCap":473310441},{"date":"2022-09-09","current":27.648918,"twenty":13.473006,"median":16.51516,"eighty":19.384475,"marketCap":469146833},{"date":"2022-09-16","current":27.553261,"twenty":13.473006,"median":16.51516,"eighty":19.407327,"marketCap":467523732},{"date":"2022-09-23","current":27.237178,"twenty":13.473006,"median":16.51516,"eighty":19.420234,"marketCap":462160441},{"date":"2022-09-30","current":27.054183,"twenty":13.473006,"median":16.51516,"eighty":19.472715,"marketCap":459055378},{"date":"2022-10-07","current":26.729782,"twenty":13.473006,"median":16.51516,"eighty":19.49597,"marketCap":453550947},{"date":"2022-10-14","current":26.754736,"twenty":13.473006,"median":16.51516,"eighty":19.501365,"marketCap":453974365},{"date":"2022-10-21","current":28.626279,"twenty":13.473006,"median":16.51516,"eighty":19.501365,"marketCap":485730694},{"date":"2022-10-28","current":29.250126,"twenty":13.473006,"median":16.51516,"eighty":19.501365,"marketCap":496316137},{"date":"2022-11-04","current":29.033859,"twenty":13.473006,"median":16.51516,"eighty":19.501365,"marketCap":492646517},{"date":"2022-11-11","current":28.8675,"twenty":13.473006,"median":16.51516,"eighty":19.501365,"marketCap":489823732},{"date":"2022-11-18","current":22.303061,"twenty":13.473006,"median":16.51516,"eighty":19.501365,"marketCap":485448415},{"date":"2022-11-25","current":22.757701,"twenty":13.473006,"median":16.51516,"eighty":19.501365,"marketCap":495344123},{"date":"2022-12-02","current":22.874474,"twenty":13.473006,"median":16.51516,"eighty":19.547891,"marketCap":497885797},{"date":"2022-12-09","current":22.553349,"twenty":13.473006,"median":16.51516,"eighty":19.593234,"marketCap":490896192},{"date":"2022-12-16","current":21.700259,"twenty":13.473006,"median":16.51516,"eighty":19.634615,"marketCap":472327848},{"date":"2022-12-23","current":22.417114,"twenty":13.473006,"median":16.51516,"eighty":19.687799,"marketCap":487930905},{"date":"2022-12-30","current":22.206275,"twenty":13.473006,"median":16.51516,"eighty":19.787111,"marketCap":483341771},{"date":"2023-01-06","current":22.926373,"twenty":13.494691,"median":16.573277,"eighty":19.816189,"marketCap":499015430},{"date":"2023-01-13","current":23.305884,"twenty":13.538867,"median":16.623377,"eighty":19.868199,"marketCap":507275872},{"date":"2023-01-20","current":23.046389,"twenty":13.561656,"median":16.639515,"eighty":19.910798,"marketCap":501627707},{"date":"2023-01-27","current":23.688639,"twenty":13.581928,"median":16.798794,"eighty":19.973923,"marketCap":515606917},{"date":"2023-02-03","current":24.684451,"twenty":13.618976,"median":16.847828,"eighty":20.049274,"marketCap":537281752},{"date":"2023-02-10","current":23.82163,"twenty":13.663553,"median":16.901937,"eighty":20.161767,"marketCap":518501602},{"date":"2023-02-17","current":24.872584,"twenty":13.698901,"median":17.019398,"eighty":20.243446,"marketCap":541376672},{"date":"2023-02-24","current":24.836904,"twenty":13.712844,"median":17.12639,"eighty":20.273838,"marketCap":540600049},{"date":"2023-03-03","current":23.769731,"twenty":13.735116,"median":17.176488,"eighty":20.322102,"marketCap":517371968},{"date":"2023-03-10","current":23.902722,"twenty":13.747506,"median":17.224584,"eighty":20.42079,"marketCap":520266653},{"date":"2023-03-17","current":25.438811,"twenty":13.769629,"median":17.312761,"eighty":20.533282,"marketCap":526557952},{"date":"2023-03-24","current":24.162263,"twenty":13.784322,"median":17.449002,"eighty":20.731453,"marketCap":500134677},{"date":"2023-03-31","current":24.605983,"twenty":13.793216,"median":17.568531,"eighty":21.126106,"marketCap":509319238},{"date":"2023-04-06","current":24.117891,"twenty":13.823314,"median":17.639418,"eighty":21.154029,"marketCap":499216221},{"date":"2023-04-14","current":24.210048,"twenty":13.881139,"median":17.758725,"eighty":21.239132,"marketCap":501123783},{"date":"2023-04-21","current":24.356817,"twenty":13.909758,"median":17.806753,"eighty":21.314353,"marketCap":504161753},{"date":"2023-04-28","current":23.455724,"twenty":13.978161,"median":17.847203,"eighty":21.468089,"marketCap":485510029},{"date":"2023-05-05","current":23.26117,"twenty":14.016436,"median":17.919348,"eighty":21.652254,"marketCap":481482953},{"date":"2023-05-12","current":24.595743,"twenty":14.041326,"median":17.988502,"eighty":21.761834,"marketCap":509107286},{"date":"2023-05-19","current":19.954555,"twenty":14.041326,"median":18.05425,"eighty":21.761834,"marketCap":532028335},{"date":"2023-05-26","current":20.119117,"twenty":14.041326,"median":18.092327,"eighty":21.761834,"marketCap":536415906},{"date":"2023-06-02","current":20.246521,"twenty":14.041326,"median":18.135413,"eighty":21.761834,"marketCap":539812735},{"date":"2023-06-09","current":21.807212,"twenty":14.040743,"median":18.212568,"eighty":21.80723,"marketCap":581423890},{"date":"2023-06-16","current":21.079951,"twenty":14.040743,"median":18.212568,"eighty":21.80723,"marketCap":562033658},{"date":"2023-06-23","current":19.776721,"twenty":14.040161,"median":18.20856,"eighty":21.807248,"marketCap":527286928},{"date":"2023-06-30","current":19.370622,"twenty":14.038996,"median":18.191367,"eighty":21.807283,"marketCap":516459536},{"date":"2023-07-07","current":19.981097,"twenty":14.038996,"median":18.191367,"eighty":21.807283,"marketCap":532736008},{"date":"2023-07-14","current":20.387195,"twenty":14.038996,"median":18.191367,"eighty":21.807283,"marketCap":543563400},{"date":"2023-07-21","current":20.437626,"twenty":14.038996,"median":18.191367,"eighty":21.807283,"marketCap":544907979},{"date":"2023-07-28","current":20.238558,"twenty":14.038996,"median":18.220673,"eighty":21.807283,"marketCap":539600433},{"date":"2023-08-04","current":21.13569,"twenty":14.038996,"median":18.220673,"eighty":21.807283,"marketCap":563519771},{"date":"2023-08-11","current":21.093222,"twenty":14.038996,"median":18.220673,"eighty":21.807283,"marketCap":562387494},{"date":"2023-08-18","current":20.948396,"twenty":14.038996,"median":18.220673,"eighty":21.807301,"marketCap":533786081},{"date":"2023-08-25","current":20.262156,"twenty":14.038996,"median":18.220673,"eighty":21.807301,"marketCap":516299985},{"date":"2023-09-01","current":20.795589,"twenty":14.038996,"median":18.220673,"eighty":21.807301,"marketCap":529892416},{"date":"2023-09-08","current":19.887085,"twenty":14.038996,"median":18.220673,"eighty":21.807301,"marketCap":506742807},{"date":"2023-09-15","current":21.242896,"twenty":14.038996,"median":18.220673,"eighty":21.807301,"marketCap":541290235},{"date":"2023-09-22","current":20.615,"twenty":14.038996,"median":18.220673,"eighty":21.807301,"marketCap":525290812},{"date":"2023-09-29","current":20.120462,"twenty":14.038996,"median":18.220673,"eighty":21.807301,"marketCap":512689496},{"date":"2023-10-06","current":20.103792,"twenty":14.038996,"median":18.220673,"eighty":21.807301,"marketCap":512264732},{"date":"2023-10-13","current":20.601108,"twenty":14.038996,"median":18.220673,"eighty":21.807301,"marketCap":524936842},{"date":"2023-10-20","current":20.517759,"twenty":14.038996,"median":18.253441,"eighty":21.807301,"marketCap":522813025},{"date":"2023-10-27","current":20.281604,"twenty":14.037157,"median":18.216576,"eighty":21.808599,"marketCap":516795543},{"date":"2023-11-03","current":21.276236,"twenty":14.037157,"median":18.216576,"eighty":21.808599,"marketCap":542139762},{"date":"2023-11-10","current":21.879127,"twenty":14.037157,"median":18.216576,"eighty":21.852171,"marketCap":557502041},{"date":"2023-11-17","current":23.82835,"twenty":14.037157,"median":18.216576,"eighty":21.920006,"marketCap":561705699},{"date":"2023-11-24","current":23.19441,"twenty":14.037157,"median":18.216576,"eighty":22.052115,"marketCap":546761820},{"date":"2023-12-01","current":22.449304,"twenty":14.037157,"median":18.216576,"eighty":22.148353,"marketCap":529197451},{"date":"2023-12-08","current":23.521896,"twenty":14.037785,"median":18.219582,"eighty":22.256227,"marketCap":554481644},{"date":"2023-12-15","current":24.49534,"twenty":14.037785,"median":18.219582,"eighty":22.345753,"marketCap":577428642},{"date":"2023-12-22","current":24.122787,"twenty":14.037785,"median":18.291727,"eighty":22.417763,"marketCap":568646458},{"date":"2023-12-29","current":24.456282,"twenty":14.037157,"median":18.304753,"eighty":22.464685,"marketCap":576507929},{"date":"2024-01-05","current":24.071711,"twenty":14.03653,"median":18.336818,"eighty":22.501965,"marketCap":567442448},{"date":"2024-01-12","current":24.267001,"twenty":14.03653,"median":18.336818,"eighty":22.63398,"marketCap":572046013},{"date":"2024-01-19","current":24.888924,"twenty":14.035902,"median":18.336818,"eighty":22.708476,"marketCap":586706595},{"date":"2024-01-26","current":25.0752,"twenty":14.03653,"median":18.336818,"eighty":22.903182,"marketCap":591097688},{"date":"2024-02-02","current":23.74723,"twenty":14.03653,"median":18.336818,"eighty":23.017494,"marketCap":559793449},{"date":"2024-02-09","current":22.984098,"twenty":14.03653,"median":18.336818,"eighty":23.07688,"marketCap":541804135},{"date":"2024-02-16","current":23.557949,"twenty":14.03653,"median":18.336818,"eighty":23.1039,"marketCap":555331532},{"date":"2024-02-23","current":23.684136,"twenty":14.03653,"median":18.336818,"eighty":23.184764,"marketCap":558306143},{"date":"2024-03-01","current":23.233468,"twenty":14.037157,"median":18.352877,"eighty":23.214181,"marketCap":547682533},{"date":"2024-03-08","current":22.764772,"twenty":14.037157,"median":18.439023,"eighty":23.214181,"marketCap":536633978},{"date":"2024-03-15","current":22.551456,"twenty":14.037157,"median":18.558425,"eighty":23.214181,"marketCap":531605469},{"date":"2024-03-22","current":16.448219,"twenty":14.037157,"median":18.439023,"eighty":23.214181,"marketCap":568433985},{"date":"2024-03-28","current":16.776117,"twenty":14.037157,"median":18.366878,"eighty":23.214181,"marketCap":579765837},{"date":"2024-04-05","current":16.933919,"twenty":14.03653,"median":18.312769,"eighty":23.215053,"marketCap":585219290},{"date":"2024-04-12","current":16.343701,"twenty":14.03653,"median":18.219582,"eighty":23.215053,"marketCap":564821958},{"date":"2024-04-19","current":16.488876,"twenty":14.03653,"median":18.135413,"eighty":23.215053,"marketCap":569839081},{"date":"2024-04-26","current":17.099041,"twenty":14.037157,"median":18.084311,"eighty":23.214181,"marketCap":590925763},{"date":"2024-05-03","current":17.266012,"twenty":14.037157,"median":18.032206,"eighty":23.214181,"marketCap":596696105},{"date":"2024-05-10","current":17.696838,"twenty":14.037157,"median":17.919981,"eighty":23.214181,"marketCap":611585012},{"date":"2024-05-17","current":17.998832,"twenty":14.037157,"median":17.853848,"eighty":23.214181,"marketCap":580444344},{"date":"2024-05-24","current":16.495628,"twenty":14.037157,"median":17.772885,"eighty":23.214181,"marketCap":531967518},{"date":"2024-05-31","current":16.392187,"twenty":14.037157,"median":17.690709,"eighty":23.214181,"marketCap":528631631},{"date":"2024-06-07","current":16.317357,"twenty":14.037157,"median":17.66547,"eighty":23.214181,"marketCap":526218436},{"date":"2024-06-14","current":16.337165,"twenty":14.037157,"median":17.55124,"eighty":23.214181,"marketCap":526857223},{"date":"2024-06-21","current":16.167697,"twenty":14.03653,"median":17.342282,"eighty":23.215053,"marketCap":521392046},{"date":"2024-06-28","current":16.535244,"twenty":14.03653,"median":17.259327,"eighty":23.215053,"marketCap":533245092},{"date":"2024-07-05","current":15.494226,"twenty":14.03653,"median":17.22258,"eighty":23.215053,"marketCap":499673292},{"date":"2024-07-12","current":16.354772,"twenty":14.03653,"median":17.175091,"eighty":23.215053,"marketCap":527425033},{"date":"2024-07-19","current":16.526441,"twenty":14.03653,"median":17.134494,"eighty":23.215053,"marketCap":532961186},{"date":"2024-07-26","current":17.14709,"twenty":14.03653,"median":17.117631,"eighty":23.215053,"marketCap":552976509},{"date":"2024-08-02","current":16.376781,"twenty":14.03653,"median":17.086593,"eighty":23.215053,"marketCap":528134797},{"date":"2024-08-09","current":15.753054,"twenty":14.03653,"median":16.988788,"eighty":23.215053,"marketCap":517062491},{"date":"2024-08-16","current":15.836972,"twenty":14.03653,"median":16.941976,"eighty":23.215053,"marketCap":519816916},{"date":"2024-08-23","current":16.083579,"twenty":14.03653,"median":16.901544,"eighty":23.215053,"marketCap":527911319},{"date":"2024-08-30","current":16.93589,"twenty":14.03653,"median":16.875207,"eighty":23.215053,"marketCap":555886714},{"date":"2024-09-06","current":15.999213,"twenty":14.03653,"median":16.849887,"eighty":23.215053,"marketCap":525142181},{"date":"2024-09-13","current":16.589774,"twenty":14.03653,"median":16.815688,"eighty":23.215053,"marketCap":544526148},{"date":"2024-09-20","current":16.061947,"twenty":14.03653,"median":16.774068,"eighty":23.215053,"marketCap":527201284},{"date":"2024-09-27","current":16.100885,"twenty":14.03653,"median":16.662787,"eighty":23.215053,"marketCap":528479348},{"date":"2024-10-04","current":15.553589,"twenty":14.03653,"median":16.615625,"eighty":23.215053,"marketCap":510515452},{"date":"2024-10-11","current":15.380531,"twenty":14.03653,"median":16.595847,"eighty":23.215053,"marketCap":504835169},{"date":"2024-10-18","current":16.079253,"twenty":14.03653,"median":16.579362,"eighty":23.215053,"marketCap":527769312},{"date":"2024-10-25","current":16.157129,"twenty":14.03653,"median":16.533305,"eighty":23.215053,"marketCap":530325440},{"date":"2024-11-01","current":15.713668,"twenty":14.03653,"median":16.509506,"eighty":23.215053,"marketCap":515769714},{"date":"2024-11-08","current":16.006021,"twenty":14.03653,"median":16.488489,"eighty":23.215053,"marketCap":542396042},{"date":"2024-11-15","current":15.934781,"twenty":14.03653,"median":16.428941,"eighty":23.215053,"marketCap":539981921},{"date":"2024-11-22","current":16.48375,"twenty":14.03653,"median":16.40645,"eighty":23.215053,"marketCap":558584849},{"date":"2024-11-29","current":16.703757,"twenty":14.03653,"median":16.40645,"eighty":23.215053,"marketCap":566040220},{"date":"2024-12-06","current":18.551815,"twenty":14.03653,"median":16.40645,"eighty":23.215053,"marketCap":628665343},{"date":"2024-12-13","current":19.482129,"twenty":14.03653,"median":16.40645,"eighty":23.215053,"marketCap":660190914},{"date":"2024-12-20","current":19.580609,"twenty":14.03653,"median":16.40645,"eighty":23.215053,"marketCap":663528081},{"date":"2024-12-27","current":20.366347,"twenty":14.03653,"median":16.40645,"eighty":23.215053,"marketCap":690154408},{"date":"2025-01-03","current":20.137959,"twenty":14.03653,"median":16.40645,"eighty":23.215053,"marketCap":682415022},{"date":"2025-01-10","current":19.961954,"twenty":14.035902,"median":16.405392,"eighty":23.215926,"marketCap":676450725},{"date":"2025-01-17","current":20.42292,"twenty":14.035902,"median":16.405392,"eighty":23.215926,"marketCap":692071504},{"date":"2025-01-24","current":20.531876,"twenty":14.035902,"median":16.405392,"eighty":23.215926,"marketCap":695763688},{"date":"2025-01-31","current":20.150531,"twenty":14.035902,"median":16.422999,"eighty":23.215926,"marketCap":682841044},{"date":"2025-02-07","current":20.542353,"twenty":14.035902,"median":16.452321,"eighty":23.215926,"marketCap":696118706},{"date":"2025-02-14","current":20.823123,"twenty":14.035902,"median":16.488876,"eighty":23.215926,"marketCap":705633180},{"date":"2025-02-21","current":20.747692,"twenty":14.035902,"median":16.517637,"eighty":23.215926,"marketCap":703077053},{"date":"2025-02-28","current":21.317615,"twenty":14.038996,"median":16.585447,"eighty":23.215926,"marketCap":722390015},{"date":"2025-03-07","current":18.635627,"twenty":14.055681,"median":16.622977,"eighty":23.216798,"marketCap":631505484},{"date":"2025-03-14","current":15.243669,"twenty":14.075231,"median":16.691997,"eighty":23.216798,"marketCap":632002509},{"date":"2025-03-21","current":15.400014,"twenty":14.096495,"median":16.691997,"eighty":23.216798,"marketCap":638484599},{"date":"2025-03-28","current":15.136398,"twenty":14.197457,"median":16.691997,"eighty":23.216798,"marketCap":627555069},{"date":"2025-04-04","current":14.200819,"twenty":14.246365,"median":16.691997,"eighty":23.216798,"marketCap":588765951},{"date":"2025-04-11","current":14.479942,"twenty":14.250049,"median":16.683896,"eighty":23.215926,"marketCap":600338395},{"date":"2025-04-17","current":14.342103,"twenty":14.290517,"median":16.683896,"eighty":23.215926,"marketCap":594623608},{"date":"2025-04-25","current":14.521294,"twenty":14.281613,"median":16.691997,"eighty":23.216798,"marketCap":602052831},{"date":"2025-05-02","current":14.799891,"twenty":14.306843,"median":16.691997,"eighty":23.216798,"marketCap":613603485},{"date":"2025-05-09","current":13.625186,"twenty":14.321428,"median":16.691997,"eighty":23.216798,"marketCap":579097665},{"date":"2025-05-16","current":14.658806,"twenty":14.342103,"median":16.691997,"eighty":23.216798,"marketCap":623028571},{"date":"2025-05-23","current":14.088732,"twenty":14.353936,"median":16.691997,"eighty":23.216798,"marketCap":598799285},{"date":"2025-05-30","current":14.483916,"twenty":14.3847,"median":16.691997,"eighty":23.216798,"marketCap":615595398},{"date":"2025-06-06","current":14.5495,"twenty":14.396597,"median":16.691997,"eighty":23.216798,"marketCap":618382838},{"date":"2025-06-13","current":16.074742,"twenty":14.401516,"median":16.701928,"eighty":23.216798,"marketCap":683208686},{"date":"2025-06-20","current":15.627427,"twenty":14.445304,"median":16.703757,"eighty":23.220132,"marketCap":664196916},{"date":"2025-06-27","current":16.363983,"twenty":14.469947,"median":16.703757,"eighty":23.220132,"marketCap":695502011},{"date":"2025-07-03","current":18.212099,"twenty":14.490443,"median":16.750259,"eighty":23.220132,"marketCap":774050640},{"date":"2025-07-11","current":17.633617,"twenty":14.515613,"median":16.801551,"eighty":23.220132,"marketCap":749463990},{"date":"2025-07-18","current":18.538336,"twenty":14.544479,"median":16.851946,"eighty":23.220132,"marketCap":787916367},{"date":"2025-07-25","current":17.616801,"twenty":14.586038,"median":16.890335,"eighty":23.220132,"marketCap":748749262},{"date":"2025-08-01","current":16.219363,"twenty":14.607401,"median":16.90115,"eighty":23.220132,"marketCap":689355348},{"date":"2025-08-08","current":16.765894,"twenty":14.66492,"median":16.90115,"eighty":23.220132,"marketCap":712584015},{"date":"2025-08-15","current":17.845879,"twenty":14.706442,"median":16.962216,"eighty":23.220132,"marketCap":741978119},{"date":"2025-08-22","current":18.071145,"twenty":14.746918,"median":17.013844,"eighty":23.220132,"marketCap":751344002},{"date":"2025-08-29","current":18.320485,"twenty":14.798244,"median":17.105225,"eighty":23.220132,"marketCap":761710819},{"date":"2025-09-05","current":18.703953,"twenty":14.854363,"median":17.135366,"eighty":23.223466,"marketCap":777654269},{"date":"2025-09-12","current":19.476048,"twenty":14.891323,"median":17.188907,"eighty":23.220132,"marketCap":809755654},{"date":"2025-09-19","current":19.850918,"twenty":14.964442,"median":17.31656,"eighty":23.220132,"marketCap":825341627},{"date":"2025-09-26","current":19.128691,"twenty":14.98451,"median":17.484766,"eighty":23.220132,"marketCap":795313605},{"date":"2025-10-03","current":19.837162,"twenty":15.058133,"median":17.624682,"eighty":23.220132,"marketCap":824769665},{"date":"2025-10-10","current":19.324724,"twenty":15.112543,"median":17.678285,"eighty":23.220132,"marketCap":803464069},{"date":"2025-10-17","current":18.872473,"twenty":15.134674,"median":17.774874,"eighty":23.220132,"marketCap":784660807},{"date":"2025-10-24","current":19.434778,"twenty":15.172357,"median":17.803462,"eighty":23.220132,"marketCap":808039767},{"date":"2025-10-31","current":18.146807,"twenty":15.230807,"median":17.895391,"eighty":23.220132,"marketCap":754489795},{"date":"2025-11-07","current":18.406465,"twenty":15.248301,"median":18.024716,"eighty":23.220132,"marketCap":765285584},{"date":"2025-11-14","current":17.340382,"twenty":15.276092,"median":18.071145,"eighty":23.220132,"marketCap":672997554},{"date":"2025-11-21","current":17.211388,"twenty":15.304509,"median":18.071145,"eighty":23.220132,"marketCap":667991196},{"date":"2025-11-28","current":17.2722,"twenty":15.330046,"median":18.071145,"eighty":23.220132,"marketCap":670351336},{"date":"2025-12-05","current":17.554142,"twenty":15.356211,"median":18.071145,"eighty":23.220132,"marketCap":681293804},{"date":"2025-12-12","current":19.424544,"twenty":15.38986,"median":18.237806,"eighty":23.220132,"marketCap":753885995},{"date":"2025-12-19","current":19.42823,"twenty":15.399348,"median":18.320485,"eighty":23.220132,"marketCap":754029034},{"date":"2025-12-26","current":20.226146,"twenty":15.424088,"median":18.406465,"eighty":23.220132,"marketCap":784996934},{"date":"2026-01-02","current":19.673317,"twenty":15.473656,"median":18.458052,"eighty":23.220132,"marketCap":763541114},{"date":"2026-01-09","current":21.591631,"twenty":15.524678,"median":18.551815,"eighty":23.220132,"marketCap":837992809},{"date":"2026-01-16","current":21.962026,"twenty":15.558194,"median":18.635627,"eighty":23.220132,"marketCap":852368209},{"date":"2026-01-23","current":22.538811,"twenty":15.567419,"median":18.731467,"eighty":23.220132,"marketCap":874753781},{"date":"2026-01-30","current":23.09901,"twenty":15.587228,"median":18.870753,"eighty":23.220132,"marketCap":896495679},{"date":"2026-02-06","current":24.661671,"twenty":15.668368,"median":18.962494,"eighty":23.278304,"marketCap":957144130},{"date":"2026-02-13","current":22.367434,"twenty":15.704578,"median":19.039273,"eighty":23.33946,"marketCap":868102477},{"date":"2026-02-20","current":23.412279,"twenty":15.720164,"median":19.128691,"eighty":23.396272,"marketCap":908653977},{"date":"2026-02-27","current":24.606389,"twenty":15.720164,"median":19.192316,"eighty":23.414142,"marketCap":954998548},{"date":"2026-03-06","current":24.96757,"twenty":15.724879,"median":19.301933,"eighty":23.449443,"marketCap":969016350},{"date":"2026-03-13","current":24.427641,"twenty":15.724879,"median":19.364792,"eighty":23.476787,"marketCap":948061166},{"date":"2026-03-20","current":28.952783,"twenty":15.740808,"median":19.424544,"eighty":23.523098,"marketCap":957873862},{"date":"2026-03-27","current":29.5418,"twenty":15.765308,"median":19.434778,"eighty":23.579915,"marketCap":977360899},{"date":"2026-04-02","current":30.72633,"twenty":15.785759,"median":19.476792,"eighty":23.653908,"marketCap":1016549905},{"date":"2026-04-10","current":30.960204,"twenty":15.807143,"median":19.601578,"eighty":23.68894,"marketCap":1024287405},{"date":"2026-04-17","current":30.475132,"twenty":15.807143,"median":19.673317,"eighty":23.739424,"marketCap":1008239256},{"date":"2026-04-24","current":30.29756,"twenty":15.834341,"median":19.69585,"eighty":23.770038,"marketCap":1002364488},{"date":"2026-05-01","current":30.282402,"twenty":15.843482,"median":19.776721,"eighty":23.798541,"marketCap":1001862983},{"date":"2026-05-08","current":29.764847,"twenty":15.861468,"median":19.819473,"eighty":23.822244,"marketCap":984740182},{"date":"2026-05-15","current":30.158968,"twenty":15.882731,"median":19.850918,"eighty":23.896048,"marketCap":997779303},{"date":"2026-05-22","current":28.746771,"twenty":15.896909,"median":19.892641,"eighty":23.94589,"marketCap":922771357},{"date":"2026-05-29","current":29.46784,"twenty":15.912166,"median":19.934679,"eighty":23.981448,"marketCap":945917676},{"date":"2026-06-05","current":29.253529,"twenty":15.92301,"median":19.962517,"eighty":24.001407,"marketCap":939038274},{"date":"2026-06-12","current":29.019126,"twenty":15.950379,"median":20.021157,"eighty":24.033855,"marketCap":931513929},{"date":"2026-06-18","current":28.90304,"twenty":15.996207,"median":20.076009,"eighty":24.061834,"marketCap":927787587},{"date":"2026-06-26","current":27.619403,"twenty":16.012086,"median":20.114883,"eighty":24.100028,"marketCap":886582839},{"date":"2026-07-02","current":27.539036,"twenty":16.020031,"median":20.128797,"eighty":24.133116,"marketCap":884003064},{"date":"2026-07-10","current":27.900687,"twenty":16.028611,"median":20.179855,"eighty":24.208,"marketCap":895612054},{"date":"2026-07-17","current":27.253288,"twenty":16.04093,"median":20.216893,"eighty":24.26743,"marketCap":874830529},{"date":"2026-07-24","current":27.230963,"twenty":16.047119,"median":20.235064,"eighty":24.325984,"marketCap":874113925},{"date":"2026-07-31","current":27.123808,"twenty":16.062812,"median":20.249175,"eighty":24.370489,"marketCap":870674224},{"date":"2026-08-07","current":30.749245,"twenty":16.076546,"median":20.27049,"eighty":24.410141,"marketCap":987050762},{"date":"2026-08-14","current":30.762639,"twenty":16.104249,"median":20.299298,"eighty":24.456949,"marketCap":987480725},{"date":"2026-08-21","current":25.12209,"twenty":16.136886,"median":20.323278,"eighty":24.501949,"marketCap":1075476657},{"date":"2026-08-28","current":25.575491,"twenty":16.151953,"median":20.373288,"eighty":24.555738,"marketCap":1094886759},{"date":"2026-09-04","current":24.120273,"twenty":16.173973,"median":20.403121,"eighty":24.591441,"marketCap":1032588894},{"date":"2026-09-11","current":24.665355,"twenty":16.191963,"median":20.42292,"eighty":24.615168,"marketCap":1055923833}],"updateTime":1789305155545},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"NPK\",pageSize:20,pageCount:3,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"18450099","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774924024325-NPK","pdf_url":"","pub_time":1722484800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPK","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774924024325/0001437749-24-024325-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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924024325/ex_706927.htm","primary":true,"translateUrl":"","linkName":"ex_706927.htm","type":"EX-99.1","id":"NTFILE9LNTECeECeFR6ja8","market":"us","size":23585},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924024325/npk20240801_8k.htm","primary":false,"translateUrl":"","linkName":"npk20240801_8k.htm","type":"8-K","id":"NTFILECpgZG4MQuPr9JUu1","market":"us","size":25896}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2024-08-01 12:00","pubTimestamp":1722484800,"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":"項目2.02:經營業績和財務狀況;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18185475","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774924018141-NPK","pdf_url":"","pub_time":1716436800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPK","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774924018141/0001437749-24-018141-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":null,"gpt_en_title":null,"attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924018141/ex_678597.htm","primary":true,"translateUrl":"","linkName":"ex_678597.htm","type":"EX-99.1","id":"NTFILEFYaMUmJe7EDZQskT","market":"us","size":9775},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924018141/npk20240522_8k.htm","primary":false,"translateUrl":"","linkName":"npk20240522_8k.htm","type":"8-K","id":"NTFILE56BoAwPKdeGtkQoh","market":"us","size":35964}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2024-05-23 12:00","pubTimestamp":1716436800,"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":"第5.07項:將事項提交證券持有人表決;項目8.01:其他活動;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18150319","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774924017079-NPK","pdf_url":"","pub_time":1715804632000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPK","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/0001437749-24-017079-index.html","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":null,"gpt_en_title":null,"attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924017079/ex_675067.htm","primary":true,"translateUrl":"","linkName":"ex_675067.htm","type":"EX-99.1","id":"NTFILE3N7BuPjcPdrQ1bmp","market":"us","size":5986},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924017079/npk20240515_8k.htm","primary":false,"translateUrl":"","linkName":"npk20240515_8k.htm","type":"8-K","id":"NTFILE7d83TuvqMNwDCy7C","market":"us","size":25826}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2024-05-16 04:23","pubTimestamp":1715804632,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"項目8.01:其他活動;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18129878","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774924016001-NPK","pdf_url":"","pub_time":1715313600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NPK","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"季度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774924016001/0001437749-24-016001-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":null,"gpt_en_title":null,"attachments":[{"description":"FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924016001/npk20240408_10q.htm","primary":true,"translateUrl":"","linkName":"npk20240408_10q.htm","type":"10-Q","id":"NTFILE9RGNfddUpxmXnvP4","market":"us","size":545759},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924016001/ex_650944.htm","primary":false,"translateUrl":"","linkName":"ex_650944.htm","type":"EX-31.1","id":"NTFILE3XB46XkPWBdttGwm","market":"us","size":10565},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924016001/ex_650945.htm","primary":false,"translateUrl":"","linkName":"ex_650945.htm","type":"EX-31.2","id":"NTFILEBpExUwQUnEsQNkut","market":"us","size":10750},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924016001/ex_650946.htm","primary":false,"translateUrl":"","linkName":"ex_650946.htm","type":"EX-32.1","id":"NTFILEFYPDfemXqTiqpKfQ","market":"us","size":5180},{"description":"EXHIBIT 32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924016001/ex_650947.htm","primary":false,"translateUrl":"","linkName":"ex_650947.htm","type":"EX-32.2","id":"NTFILE2ngTXQTzgwZ8Beuf","market":"us","size":5221}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"季度報告","pubTime":"2024-05-10 12:00","pubTimestamp":1715313600,"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":"18084620","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774924013994-NPK","pdf_url":"","pub_time":1714449600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPK","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774924013994/0001437749-24-013994-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":null,"gpt_en_title":null,"attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924013994/ex_663953.htm","primary":true,"translateUrl":"","linkName":"ex_663953.htm","type":"EX-99.1","id":"NTFILE4Pxrbw4LND3MHUFD","market":"us","size":17126},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924013994/npk20240429_8k.htm","primary":false,"translateUrl":"","linkName":"npk20240429_8k.htm","type":"8-K","id":"NTFILE5Bn5NGRCCs4Mp5uc","market":"us","size":24804}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2024-04-30 12:00","pubTimestamp":1714449600,"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":"第2.02項:經營成果和財務狀況;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17765640","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774924009588-NPK","pdf_url":"","pub_time":1711512000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPK","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774924009588/0001437749-24-009588-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":null,"gpt_en_title":null,"attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924009588/ex_645938.htm","primary":true,"translateUrl":"","linkName":"ex_645938.htm","type":"EX-99.1","id":"NTFILE9Ri8gWD2DVvrQYtf","market":"us","size":4599},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924009588/npk20240327_8k.htm","primary":false,"translateUrl":"","linkName":"npk20240327_8k.htm","type":"8-K","id":"NTFILEAHmuv5KimA3gBRFr","market":"us","size":26683}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2024-03-27 12:00","pubTimestamp":1711512000,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"項目8.01:其他活動;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17714163","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774924008099-NPK","pdf_url":"","pub_time":1710475200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"NPK","title":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"年度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774924008099/0001437749-24-008099-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":null,"gpt_en_title":null,"attachments":[{"description":"FORM 10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924008099/npk20231231_10k.htm","primary":true,"translateUrl":"","linkName":"npk20231231_10k.htm","type":"10-K","id":"NTFILE2VxL6sAV188fFyj3","market":"us","size":1386577},{"description":"EXHIBIT 21","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924008099/ex_609004.htm","primary":false,"translateUrl":"","linkName":"ex_609004.htm","type":"EX-21","id":"NTFILEhaVb78fN5S44SvbL","market":"us","size":9051},{"description":"EXHIBIT 23.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924008099/ex_609005.htm","primary":false,"translateUrl":"","linkName":"ex_609005.htm","type":"EX-23.1","id":"NTFILEsevQ5gcZNbA1LAai","market":"us","size":3000},{"description":"EXHIBIT 31.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924008099/ex_609007.htm","primary":false,"translateUrl":"","linkName":"ex_609007.htm","type":"EX-31.1","id":"NTFILEHUfvv4RfT3DZxTvM","market":"us","size":10929},{"description":"EXHIBIT 31.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924008099/ex_609008.htm","primary":false,"translateUrl":"","linkName":"ex_609008.htm","type":"EX-31.2","id":"NTFILE5XP5Jg9yrfCyXmER","market":"us","size":10651},{"description":"EXHIBIT 32.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924008099/ex_609009.htm","primary":false,"translateUrl":"","linkName":"ex_609009.htm","type":"EX-32.1","id":"NTFILEHVF1ZRrRPtEMm49p","market":"us","size":5442},{"description":"EXHIBIT 32.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924008099/ex_609010.htm","primary":false,"translateUrl":"","linkName":"ex_609010.htm","type":"EX-32.2","id":"NTFILE9wjRoiAAHpYxNZJm","market":"us","size":5703},{"description":"EXHIBIT 97","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924008099/ex_639179.htm","primary":false,"translateUrl":"","linkName":"ex_639179.htm","type":"EX-97","id":"NTFILE8zVFLbquPPb84Z7k","market":"us","size":31472}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"年度報告","pubTime":"2024-03-15 12:00","pubTimestamp":1710475200,"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":"17613274","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774924004826-NPK","pdf_url":"","pub_time":1708405200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPK","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774924004826/0001437749-24-004826-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924004826/ex_628176.htm","primary":true,"translateUrl":"","linkName":"ex_628176.htm","type":"EX-99.1","id":"NTFILE8JdMNg6sTx85Cfjo","market":"us","size":18448},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774924004826/npk20240219_8k.htm","primary":false,"translateUrl":"","linkName":"npk20240219_8k.htm","type":"8-K","id":"NTFILEhCsFESeBAHyKUUb7","market":"us","size":29712}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2024-02-20 13:00","pubTimestamp":1708405200,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第2.02項:經營成果和財務狀況;項目8.01:其他活動;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17594182","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465924021526-NPK","pdf_url":"","pub_time":1707862181000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]","symbol":"NPK","title":"Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]","titleType":"超過5%披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/0001104659-24-021526-index.html","us_notice_code":"Form SC 13G/A","us_title_en":"Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"SCHEDULE 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000110465924021526/tv01515-nationalprestoindust.htm","primary":true,"translateUrl":"","linkName":"tv01515-nationalprestoindust.htm","type":"SC 13G/A","id":"NTFILEFVCPV2MN4fntjUgg","market":"us","size":11491}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"超過5%披露","pubTime":"2024-02-14 06:09","pubTimestamp":1707862181,"title_zh":"Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17211966","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774923031605-NPK","pdf_url":"","pub_time":1699909374000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NPK","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"季度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/80172/0001437749-23-031605-index.html","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":"FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923031605/npk20230912_10q.htm","primary":true,"translateUrl":"","linkName":"npk20230912_10q.htm","type":"10-Q","id":"NTFILEzewCu4fWQDb43Djt","market":"us","size":749397},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923031605/ex_569237.htm","primary":false,"translateUrl":"","linkName":"ex_569237.htm","type":"EX-31.1","id":"NTFILEJCcP1EafB6b3AsQp","market":"us","size":10570},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923031605/ex_569238.htm","primary":false,"translateUrl":"","linkName":"ex_569238.htm","type":"EX-31.2","id":"NTFILE2RmXAj9FoVkkqvMz","market":"us","size":10755},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923031605/ex_569239.htm","primary":false,"translateUrl":"","linkName":"ex_569239.htm","type":"EX-32.1","id":"NTFILE73s5dtd5GxCofXTn","market":"us","size":5186},{"description":"EXHIBIT 32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923031605/ex_569240.htm","primary":false,"translateUrl":"","linkName":"ex_569240.htm","type":"EX-32.2","id":"NTFILEF5PMQ1vwT9FRBn2Y","market":"us","size":5227}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"季度報告","pubTime":"2023-11-14 05:02","pubTimestamp":1699909374,"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":"17176199","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774923030214-NPK","pdf_url":"","pub_time":1698984000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPK","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774923030214/0001437749-23-030214-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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923030214/ex_590827.htm","primary":true,"translateUrl":"","linkName":"ex_590827.htm","type":"EX-99.1","id":"NTFILEGiSNjbaQT3jhcEf3","market":"us","size":21290},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923030214/npk20231103_8k.htm","primary":false,"translateUrl":"","linkName":"npk20231103_8k.htm","type":"8-K","id":"NTFILE2ZPZj6BPEuUQLxgp","market":"us","size":27855}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2023-11-03 12:00","pubTimestamp":1698984000,"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":"第2.02項:經營成果和財務狀況;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16784519","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774923023321-NPK","pdf_url":"","pub_time":1691683200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NPK","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"季度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774923023321/0001437749-23-023321-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":"FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923023321/npk20230626_10q.htm","primary":true,"translateUrl":"","linkName":"npk20230626_10q.htm","type":"10-Q","id":"NTFILEGHXVyyvvLUYxAwUU","market":"us","size":748752},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923023321/ex_538237.htm","primary":false,"translateUrl":"","linkName":"ex_538237.htm","type":"EX-31.1","id":"NTFILE68aiUzai5P1cd3xG","market":"us","size":10568},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923023321/ex_538238.htm","primary":false,"translateUrl":"","linkName":"ex_538238.htm","type":"EX-31.2","id":"NTFILEA3kvBq4uVxaFnCLZ","market":"us","size":10753},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923023321/ex_538239.htm","primary":false,"translateUrl":"","linkName":"ex_538239.htm","type":"EX-32.1","id":"NTFILEFx7wY5GWyoECQt95","market":"us","size":5181},{"description":"EXHIBIT 32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923023321/ex_538240.htm","primary":false,"translateUrl":"","linkName":"ex_538240.htm","type":"EX-32.2","id":"NTFILE33ZctTxXvZh7FuM2","market":"us","size":5222}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"季度報告","pubTime":"2023-08-11 00:00","pubTimestamp":1691683200,"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":"16731596","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774923021191-NPK","pdf_url":"","pub_time":1690732800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPK","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774923021191/0001437749-23-021191-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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923021191/ex_550585.htm","primary":true,"translateUrl":"","linkName":"ex_550585.htm","type":"EX-99.1","id":"NTFILEFHsn2SAQ4iCZ2rpX","market":"us","size":19974},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923021191/npk20230728_8k.htm","primary":false,"translateUrl":"","linkName":"npk20230728_8k.htm","type":"8-K","id":"NTFILE3zP2czV5YwYrYRvj","market":"us","size":25237}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2023-07-31 00:00","pubTimestamp":1690732800,"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":"項目2.02:經營成果和財務狀況;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16522438","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774923016365-NPK","pdf_url":"","pub_time":1685548800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPK","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774923016365/0001437749-23-016365-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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923016365/ex_528351.htm","primary":true,"translateUrl":"","linkName":"ex_528351.htm","type":"EX-99.1","id":"NTFILE29vaVKA49LZEemEh","market":"us","size":4697},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923016365/npk20230531_8k.htm","primary":false,"translateUrl":"","linkName":"npk20230531_8k.htm","type":"8-K","id":"NTFILE6DNQ8hzU5VwoFcG5","market":"us","size":25635}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2023-06-01 00:00","pubTimestamp":1685548800,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"項目8.01:其他事件;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16472113","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774923015281-NPK","pdf_url":"","pub_time":1684425600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"NPK","title":"Form 8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774923015281/0001437749-23-015281-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;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923015281/ex_523804.htm","primary":true,"translateUrl":"","linkName":"ex_523804.htm","type":"EX-99.1","id":"NTFILEBQuddX4uDUTVLvow","market":"us","size":7483},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923015281/npk20230519_8k.htm","primary":false,"translateUrl":"","linkName":"npk20230519_8k.htm","type":"8-K","id":"NTFILE8SQ4RXK7VBwX9gXQ","market":"us","size":40799}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2023-05-19 00:00","pubTimestamp":1684425600,"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":"第5.02項:董事或某些高級職員離職;選舉董事;某些官員的任命:某些官員的補償安排;第5.07項:將事項提交證券持有人表決;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16437094","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774923014213-NPK","pdf_url":"","pub_time":1683820800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"NPK","title":"10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"季度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774923014213/0001437749-23-014213-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923014213/npk20230413_10q.htm","primary":true,"translateUrl":"","linkName":"npk20230413_10q.htm","type":"10-Q","id":"NTFILE7brViZ4xErP8goY7","market":"us","size":590159},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923014213/ex_500536.htm","primary":false,"translateUrl":"","linkName":"ex_500536.htm","type":"EX-31.1","id":"NTFILEAnbEW6uq7cfjDCJz","market":"us","size":10565},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923014213/ex_500537.htm","primary":false,"translateUrl":"","linkName":"ex_500537.htm","type":"EX-31.2","id":"NTFILEDyERYw6GXrLGJ2Dj","market":"us","size":10750},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923014213/ex_500538.htm","primary":false,"translateUrl":"","linkName":"ex_500538.htm","type":"EX-32.1","id":"NTFILE8veQp4sGzYMPpnCR","market":"us","size":5178},{"description":"EXHIBIT 32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923014213/ex_500539.htm","primary":false,"translateUrl":"","linkName":"ex_500539.htm","type":"EX-32.2","id":"NTFILEEXeghx6xWSwwSjTE","market":"us","size":5219}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"季度報告","pubTime":"2023-05-12 00:00","pubTimestamp":1683820800,"title_zh":"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":"16415161","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774923013056-NPK","pdf_url":"","pub_time":1683475200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"NPK","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774923013056/0001437749-23-013056-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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923013056/ex_515943.htm","primary":true,"translateUrl":"","linkName":"ex_515943.htm","type":"EX-99.1","id":"NTFILE52vezn1Nr1rqapfE","market":"us","size":16200},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923013056/npk20230508_8k.htm","primary":false,"translateUrl":"","linkName":"npk20230508_8k.htm","type":"8-K","id":"NTFILEBWMpWoGNJgUDBqD6","market":"us","size":25237}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2023-05-08 00:00","pubTimestamp":1683475200,"title_zh":"8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"項目2.02:經營成果和財務狀況;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16189642","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774923009539-NPK","pdf_url":"","pub_time":1680624000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"NPK","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774923009539/0001437749-23-009539-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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923009539/ex_496803.htm","primary":true,"translateUrl":"","linkName":"ex_496803.htm","type":"EX-99.1","id":"NTFILEFtkts5h6zahJan15","market":"us","size":4930},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923009539/npk20230404_8k.htm","primary":false,"translateUrl":"","linkName":"npk20230404_8k.htm","type":"8-K","id":"NTFILE93nUzKv5TpCqyNQU","market":"us","size":25532}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2023-04-05 00:00","pubTimestamp":1680624000,"title_zh":"8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"項目8.01:其他事件;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16068558","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774923006380-NPK","pdf_url":"","pub_time":1678636800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"NPK","title":"10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"年度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774923006380/0001437749-23-006380-index.htm","us_notice_code":"Form 10-K","us_title_en":"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/80172/000143774923006380/npk20221231_10k.htm","primary":true,"translateUrl":"","linkName":"npk20221231_10k.htm","type":"10-K","id":"NTFILE3HNSzbWQcFaaKP5c","market":"us","size":1417317},{"description":"EXHIBIT 21","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923006380/ex_456565.htm","primary":false,"translateUrl":"","linkName":"ex_456565.htm","type":"EX-21","id":"NTFILEFjxK7RdvDdWjK9RF","market":"us","size":9486},{"description":"EXHIBIT 23.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923006380/ex_456566.htm","primary":false,"translateUrl":"","linkName":"ex_456566.htm","type":"EX-23.1","id":"NTFILE9951kyZVBDQHTFJR","market":"us","size":2642},{"description":"EXHIBIT 23.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923006380/ex_456567.htm","primary":false,"translateUrl":"","linkName":"ex_456567.htm","type":"EX-23.2","id":"NTFILE1VZNbsNV5WfDVUgM","market":"us","size":2481},{"description":"EXHIBIT 31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923006380/ex_456568.htm","primary":false,"translateUrl":"","linkName":"ex_456568.htm","type":"EX-31.1","id":"NTFILEFat96rekqyeZP789","market":"us","size":10929},{"description":"EXHIBIT 31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923006380/ex_456569.htm","primary":false,"translateUrl":"","linkName":"ex_456569.htm","type":"EX-31.2","id":"NTFILE4LAJbfWryPKtxdv6","market":"us","size":10650},{"description":"EXHIBIT 32.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923006380/ex_456570.htm","primary":false,"translateUrl":"","linkName":"ex_456570.htm","type":"EX-32.1","id":"NTFILE84ZWLV1MmdqGv6Z3","market":"us","size":5441},{"description":"EXHIBIT 32.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923006380/ex_456571.htm","primary":false,"translateUrl":"","linkName":"ex_456571.htm","type":"EX-32.2","id":"NTFILEFqSpYhXn4B53VTSk","market":"us","size":5702}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"年度報告","pubTime":"2023-03-13 00:00","pubTimestamp":1678636800,"title_zh":"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":"15987021","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774923004165-NPK","pdf_url":"","pub_time":1676995200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"NPK","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/80172/000143774923004165/0001437749-23-004165-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923004165/ex_478055.htm","primary":true,"translateUrl":"","linkName":"ex_478055.htm","type":"EX-99.1","id":"NTFILE2LLdBabDdbJ4J3pk","market":"us","size":16048},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/80172/000143774923004165/npk20230220_8k.htm","primary":false,"translateUrl":"","linkName":"npk20230220_8k.htm","type":"8-K","id":"NTFILE4fCAGzetAT1yWeuy","market":"us","size":26958}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2023-02-22 00:00","pubTimestamp":1676995200,"title_zh":"8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"項目2.02:經營成果和財務狀況;第5.02項:董事或某些高級職員離職;選舉董事;某些官員的任命:某些官員的補償安排;項目9.01:財務報表和附件","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":6,"pageCount":3,"totalSize":119,"code":"91000000","status":"200"}]}}