US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

American Superconductor

28.19

-0.5200-1.81%

Volume:246.55K

Turnover:6.89M

Market Cap:1.37B

PE:9.44

High:28.50

Open:28.01

Low:27.51

Close:28.71

52wk High:70.49

52wk Low:24.87

Shares:48.46M

Float Shares:46.79M

Volume Ratio:0.86

T/O Rate:0.53%

Dividend:- -

Dividend Rate:- -

EPS(TTM):2.99

EPS(LYR):3.05

ROE:30.16%

ROA:1.48%

PB:2.39

PE(LYR):9.24

Loading ...

Overview Company News Filings

Quarterly Report

Quarterly report [Sections 13 or 15(d)]

Employee Stock Ownership

Securities to be offered to employees in employee benefit plans

Major Issues Report

Current report, items 5.02, 5.07, and 9.01

Major Issues Report

Current report, items 2.02 and 9.01

Quarterly Report

Quarterly report [Sections 13 or 15(d)]

Statement Of Changes In Beneficial Ownership

Statement of changes in beneficial ownership of securities

Statement Of Changes In Beneficial Ownership

Statement of changes in beneficial ownership of securities

Statement Of Changes In Beneficial Ownership

Statement of changes in beneficial ownership of securities

Statement Of Changes In Beneficial Ownership

Statement of changes in beneficial ownership of securities

Beneficial Ownership Change

Statement of acquisition of beneficial ownership by individuals

Major Issues Report

Current report, items 2.02, 5.02, and 9.01

Annual Report

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

Major Issues Report

Current report, item 5.02

[Rev.]Annual Report

AMERICAN SUPERCONDUCTOR CORP /DE/

Correspondence

Correspondence

Major Issues Report

美国超导公司/德/

Beneficial Ownership Change

Beneficial Ownership Change

[Rev.]Annual Report

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://au1.tigerplaytime.com/stock/AMSC/filings?page=8"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"AMSC","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"AMSC\",,,,,undefined,":{"symbol":"AMSC","market":"US","secType":"STK","nameCN":"American Superconductor","latestPrice":28.19,"timestamp":1788280608809,"preClose":28.71,"halted":0,"volume":246553,"delay":0,"changeRate":-0.01811215604319051,"floatShares":46794082,"shares":48462299,"eps":2.985294,"marketStatus":"Trading","change":-0.52,"latestTime":"09-01 12:36:49 EDT","open":28.01,"high":28.5,"low":27.51,"amount":6890816.10686,"amplitude":0.034483,"askPrice":28.19,"askSize":2,"bidPrice":28.14,"bidSize":10,"shortable":3,"etf":0,"ttmEps":2.985294,"tradingStatus":2,"nextMarketStatus":{"tag":"Post-Mkt","tradingStatus":3,"beginTime":1788292800000},"marketStatusCode":2,"adr":0,"adrRate":0,"listingDate":692427600000,"exchange":"NASDAQ","adjPreClose":28.71,"preHourTrading":{"tag":"盘前","latestPrice":28.01,"preClose":28.71,"latestTime":"09:29 EDT","volume":2619,"amount":74509.368831,"timestamp":1788269399999,"change":-0.7,"changeRate":-0.024382,"amplitude":0.034483},"postHourTrading":{"tag":"盘后","latestPrice":29,"preClose":28.71,"latestTime":"19:56 EDT","volume":33604,"amount":964790.843222,"timestamp":1788220571308,"change":0.29,"changeRate":0.010101,"amplitude":0.018774},"volumeRatio":0.858939,"impliedVol":0.6454,"impliedVolPercentile":0.0119},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"AMSC\",,,,,undefined,":{"symbol":"AMSC","floatShares":46794082,"roa":"1.48%","roe":"30.16%","lyrEps":3.05,"volumeRatio":0.858939,"shares":48462299,"dividePrice":0,"high":28.5,"amplitude":0.034483,"preClose":28.71,"low":27.51,"week52Low":24.87,"pbRate":"2.39","psRate":"4.26","week52High":70.4857,"institutionHeld":0.894,"latestPrice":28.19,"committee":0.666667,"eps":2.985294,"divideRate":0,"volume":246553,"delay":0,"ttmEps":2.985294,"open":28.01,"prevYearClose":28.78,"prevWeekClose":28.49,"prevMonthClose":28.71,"prevQuarterClose":41.51,"fiveDayClose":29.65,"twentyDayClose":33.45,"sixtyDayClose":42.34},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/AMSC\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-08-05","symbol":"AMSC","fiscalQuarterEnding":"2026/06","expectedEps":0.11,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1785902400000,"reportTimeType":"post","actualEps":0.05},{"market":"US","date":"2026-05-27","symbol":"AMSC","fiscalQuarterEnding":"2026/03","expectedEps":0.11,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1779854400000,"reportTimeType":"post","actualEps":0.22},{"market":"US","date":"2026-02-04","symbol":"AMSC","fiscalQuarterEnding":"2025/12","expectedEps":0.05,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1770181200000,"reportTimeType":"post","actualEps":0.09},{"market":"US","date":"2025-11-05","symbol":"AMSC","fiscalQuarterEnding":"2025/09","expectedEps":0.06,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1762318800000,"reportTimeType":"post","actualEps":0.12},{"market":"US","date":"2025-07-30","symbol":"AMSC","fiscalQuarterEnding":"2025/06","expectedEps":0.07,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1753848000000,"reportTimeType":"post","actualEps":0.18}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"AMSC\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"AMSC\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.2,"buy":0.8,"hold":0,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.8,"analysts":5,"updateTime":1784865600000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/AMSC\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"AMSC","date":"2026-08-31","current":9.295868,"percent":0.674769,"low":-1678.928143,"twenty":-22.921751,"median":-6.526542,"eighty":91.047919,"high":415.851418,"avg":-42.201595,"sd":320.989568,"marketCap":1380116654},"quantilePoints":[{"date":"2021-09-03","current":-16.275123,"twenty":-15.705384,"median":-3.809855,"eighty":6.706252,"marketCap":401409644},{"date":"2021-09-10","current":-15.677871,"twenty":-15.771449,"median":-3.824219,"eighty":6.706252,"marketCap":386679015},{"date":"2021-09-17","current":-15.620443,"twenty":-15.786771,"median":-3.834437,"eighty":6.706252,"marketCap":385262608},{"date":"2021-09-24","current":-15.700842,"twenty":-15.883223,"median":-3.838646,"eighty":6.706252,"marketCap":387245578},{"date":"2021-10-01","current":-16.746034,"twenty":-16.073572,"median":-3.844857,"eighty":6.706252,"marketCap":413024179},{"date":"2021-10-08","current":-17.389229,"twenty":-16.180153,"median":-3.863364,"eighty":6.706252,"marketCap":428887933},{"date":"2021-10-15","current":-19.238413,"twenty":-16.335085,"median":-3.890119,"eighty":6.706252,"marketCap":474496227},{"date":"2021-10-22","current":-19.686353,"twenty":-16.48688,"median":-3.906971,"eighty":6.706252,"marketCap":485544199},{"date":"2021-10-29","current":-21.110569,"twenty":-16.640472,"median":-3.926611,"eighty":6.706252,"marketCap":520671084},{"date":"2021-11-05","current":-20.272119,"twenty":-16.76486,"median":-3.945046,"eighty":6.706252,"marketCap":499991547},{"date":"2021-11-12","current":-17.941463,"twenty":-16.929688,"median":-3.945046,"eighty":6.706252,"marketCap":455461991},{"date":"2021-11-19","current":-15.995195,"twenty":-17.072358,"median":-3.945046,"eighty":6.706252,"marketCap":406054019},{"date":"2021-11-26","current":-14.854279,"twenty":-17.072358,"median":-3.945046,"eighty":6.706252,"marketCap":377090726},{"date":"2021-12-03","current":-12.594818,"twenty":-17.072358,"median":-3.945046,"eighty":6.706252,"marketCap":319732046},{"date":"2021-12-10","current":-12.594818,"twenty":-17.072358,"median":-3.945046,"eighty":6.706252,"marketCap":319732046},{"date":"2021-12-17","current":-12.482963,"twenty":-17.072358,"median":-3.945046,"eighty":6.706252,"marketCap":316892507},{"date":"2021-12-23","current":-13.042236,"twenty":-17.072358,"median":-3.945046,"eighty":6.706252,"marketCap":331090200},{"date":"2021-12-31","current":-12.169771,"twenty":-17.072358,"median":-3.945046,"eighty":6.706252,"marketCap":308941799},{"date":"2022-01-07","current":-11.442716,"twenty":-17.05862,"median":-3.956297,"eighty":6.700853,"marketCap":290484798},{"date":"2022-01-14","current":-10.738033,"twenty":-17.05862,"median":-4.003352,"eighty":6.700853,"marketCap":272595705},{"date":"2022-01-21","current":-8.92599,"twenty":-17.05862,"median":-4.055783,"eighty":6.700853,"marketCap":226595180},{"date":"2022-01-28","current":-8.243677,"twenty":-17.05862,"median":-4.086379,"eighty":6.700853,"marketCap":209273994},{"date":"2022-02-04","current":-10.519579,"twenty":-17.05862,"median":-4.123249,"eighty":6.700853,"marketCap":229084879},{"date":"2022-02-11","current":-10.075274,"twenty":-17.05862,"median":-4.141684,"eighty":6.700853,"marketCap":219409244},{"date":"2022-02-18","current":-10.036071,"twenty":-17.05862,"median":-4.153804,"eighty":6.700853,"marketCap":218555512},{"date":"2022-02-25","current":-10.689461,"twenty":-17.05862,"median":-4.16785,"eighty":6.700853,"marketCap":232784386},{"date":"2022-03-04","current":-10.362766,"twenty":-17.05862,"median":-4.200061,"eighty":6.700853,"marketCap":225669949},{"date":"2022-03-11","current":-10.859342,"twenty":-17.05862,"median":-4.246048,"eighty":6.700853,"marketCap":236483894},{"date":"2022-03-18","current":-11.747953,"twenty":-17.05862,"median":-4.272085,"eighty":6.700853,"marketCap":255835163},{"date":"2022-03-25","current":-11.068427,"twenty":-17.05862,"median":-4.3045,"eighty":6.700853,"marketCap":241037134},{"date":"2022-04-01","current":-9.9838,"twenty":-17.05862,"median":-4.351586,"eighty":6.700853,"marketCap":217417202},{"date":"2022-04-08","current":-9.199731,"twenty":-17.05862,"median":-4.499516,"eighty":6.700853,"marketCap":200342552},{"date":"2022-04-14","current":-8.964511,"twenty":-17.05862,"median":-4.589122,"eighty":6.700853,"marketCap":195220158},{"date":"2022-04-22","current":-7.932155,"twenty":-17.05862,"median":-4.899544,"eighty":6.700853,"marketCap":172738536},{"date":"2022-04-29","current":-6.965138,"twenty":-17.05862,"median":-5.364294,"eighty":6.700853,"marketCap":151679802},{"date":"2022-05-06","current":-6.965138,"twenty":-17.05862,"median":-5.464123,"eighty":6.700853,"marketCap":151679802},{"date":"2022-05-13","current":-6.729917,"twenty":-17.05862,"median":-5.521339,"eighty":6.700853,"marketCap":146557407},{"date":"2022-05-20","current":-6.808324,"twenty":-17.05862,"median":-5.720434,"eighty":6.700853,"marketCap":148264872},{"date":"2022-05-27","current":-7.18729,"twenty":-17.05862,"median":-5.783579,"eighty":6.700853,"marketCap":156517619},{"date":"2022-06-03","current":-8.960532,"twenty":-17.05862,"median":-5.902779,"eighty":6.700853,"marketCap":171979483},{"date":"2022-06-10","current":-8.797072,"twenty":-17.05862,"median":-5.981775,"eighty":6.700853,"marketCap":168842212},{"date":"2022-06-17","current":-7.028742,"twenty":-17.05862,"median":-6.017211,"eighty":6.700853,"marketCap":134902646},{"date":"2022-06-24","current":-7.953149,"twenty":-17.072358,"median":-6.036283,"eighty":6.706252,"marketCap":152644787},{"date":"2022-07-01","current":-7.22473,"twenty":-17.072358,"median":-6.089595,"eighty":6.706252,"marketCap":138664236},{"date":"2022-07-08","current":-7.566641,"twenty":-17.072358,"median":-6.112571,"eighty":6.706252,"marketCap":145226536},{"date":"2022-07-15","current":-7.046341,"twenty":-17.072358,"median":-6.150715,"eighty":6.706252,"marketCap":135240428},{"date":"2022-07-22","current":-7.373387,"twenty":-17.072358,"median":-6.192036,"eighty":6.706252,"marketCap":141517410},{"date":"2022-07-29","current":-9.127539,"twenty":-17.072358,"median":-6.246075,"eighty":6.706252,"marketCap":175184859},{"date":"2022-08-05","current":-6.601959,"twenty":-17.072358,"median":-6.293754,"eighty":6.706252,"marketCap":148544073},{"date":"2022-08-12","current":-7.782694,"twenty":-17.072358,"median":-6.35097,"eighty":6.706252,"marketCap":175110609},{"date":"2022-08-19","current":-6.944753,"twenty":-17.072358,"median":-6.468775,"eighty":6.706252,"marketCap":156256938},{"date":"2022-08-26","current":-6.957449,"twenty":-17.072358,"median":-6.484474,"eighty":6.706252,"marketCap":156542600},{"date":"2022-09-02","current":-6.601959,"twenty":-17.072358,"median":-6.532154,"eighty":6.706252,"marketCap":148544073},{"date":"2022-09-09","current":-6.246469,"twenty":-17.072358,"median":-6.5339,"eighty":6.706252,"marketCap":140545546},{"date":"2022-09-16","current":-6.601959,"twenty":-17.072358,"median":-6.54169,"eighty":6.706252,"marketCap":148544073},{"date":"2022-09-23","current":-5.649753,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":127119447},{"date":"2022-09-30","current":-5.560881,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":125119815},{"date":"2022-10-07","current":-5.472008,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":123120184},{"date":"2022-10-14","current":-4.913381,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":110551070},{"date":"2022-10-21","current":-5.167302,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":116264303},{"date":"2022-10-28","current":-5.421224,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":121977537},{"date":"2022-11-04","current":-3.892213,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":108771795},{"date":"2022-11-11","current":-4.310731,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":120467687},{"date":"2022-11-18","current":-4.174713,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":116666522},{"date":"2022-11-25","current":-4.425823,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":123684057},{"date":"2022-12-02","current":-4.132861,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":115496933},{"date":"2022-12-09","current":-3.578325,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":99999876},{"date":"2022-12-16","current":-3.70388,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":103508644},{"date":"2022-12-23","current":-3.557399,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":99415082},{"date":"2022-12-30","current":-3.850362,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":107602206},{"date":"2023-01-06","current":-3.798047,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":106140219},{"date":"2023-01-13","current":-5.0536,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":141227895},{"date":"2023-01-20","current":-5.576747,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":155847760},{"date":"2023-01-27","current":-5.58721,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":156140158},{"date":"2023-02-03","current":-4.722616,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":156805027},{"date":"2023-02-10","current":-5.087263,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":168912383},{"date":"2023-02-17","current":-5.22067,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":173341904},{"date":"2023-02-24","current":-4.669253,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":155033219},{"date":"2023-03-03","current":-4.775979,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":158576835},{"date":"2023-03-10","current":-4.340182,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":144107068},{"date":"2023-03-17","current":-3.797659,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":126093684},{"date":"2023-03-24","current":-3.655358,"twenty":-17.072358,"median":-6.549491,"eighty":6.706252,"marketCap":121368863},{"date":"2023-03-31","current":-4.366864,"twenty":-17.05862,"median":-6.54559,"eighty":6.700853,"marketCap":144992972},{"date":"2023-04-06","current":-3.530845,"twenty":-17.086097,"median":-6.549491,"eighty":6.711652,"marketCap":117234643},{"date":"2023-04-13","current":-3.619783,"twenty":-17.124115,"median":-6.551226,"eighty":6.725111,"marketCap":120187657},{"date":"2023-04-21","current":-3.593102,"twenty":-17.145196,"median":-6.584083,"eighty":6.730432,"marketCap":119301753},{"date":"2023-04-28","current":-3.619783,"twenty":-17.145196,"median":-6.584083,"eighty":6.730432,"marketCap":120187657},{"date":"2023-05-05","current":-3.290712,"twenty":-17.145196,"median":-6.584083,"eighty":6.730432,"marketCap":109261506},{"date":"2023-05-12","current":-3.922173,"twenty":-17.166425,"median":-6.589263,"eighty":6.736949,"marketCap":130227904},{"date":"2023-05-19","current":-3.993323,"twenty":-17.167018,"median":-6.599073,"eighty":6.741735,"marketCap":132590315},{"date":"2023-05-25","current":-3.726509,"twenty":-17.167018,"median":-6.600599,"eighty":6.744821,"marketCap":123731274},{"date":"2023-06-07","current":-5.633447,"twenty":-17.169137,"median":-6.601959,"eighty":6.777259,"marketCap":197401624},{"date":"2023-06-15","current":-5.717907,"twenty":-17.236616,"median":-6.62886,"eighty":6.794372,"marketCap":200361169},{"date":"2023-07-07","current":-5.165945,"twenty":-17.389229,"median":-6.703527,"eighty":6.818872,"marketCap":181019878},{"date":"2023-07-14","current":-5.694474,"twenty":-17.389229,"median":-6.703527,"eighty":6.818872,"marketCap":199540063},{"date":"2023-07-21","current":-6.018411,"twenty":-17.389229,"median":-6.703527,"eighty":6.818872,"marketCap":210891145},{"date":"2023-07-28","current":-7.203339,"twenty":-17.389229,"median":-6.710922,"eighty":6.818872,"marketCap":252412206},{"date":"2023-08-04","current":-8.183675,"twenty":-17.389229,"median":-6.733983,"eighty":6.818872,"marketCap":286764163},{"date":"2023-08-11","current":-9.239489,"twenty":-17.389229,"median":-6.768576,"eighty":6.818872,"marketCap":293159748},{"date":"2023-08-18","current":-8.227727,"twenty":-17.389229,"median":-6.830488,"eighty":6.818872,"marketCap":261057544},{"date":"2023-08-25","current":-8.275451,"twenty":-17.389229,"median":-6.886731,"eighty":6.818872,"marketCap":262571799},{"date":"2023-09-01","current":-8.829057,"twenty":-17.389229,"median":-6.944753,"eighty":6.818872,"marketCap":280137156},{"date":"2023-09-08","current":-7.793433,"twenty":-17.389229,"median":-6.97613,"eighty":6.818872,"marketCap":247277825},{"date":"2023-09-15","current":-7.263689,"twenty":-17.389229,"median":-7.017409,"eighty":6.818872,"marketCap":230469595},{"date":"2023-09-22","current":-7.244599,"twenty":-17.389229,"median":-7.046341,"eighty":6.818872,"marketCap":229863893},{"date":"2023-09-29","current":-7.158695,"twenty":-17.389229,"median":-7.082748,"eighty":6.818872,"marketCap":227138235},{"date":"2023-10-06","current":-6.49055,"twenty":-17.389229,"median":-7.102969,"eighty":6.818872,"marketCap":205938666},{"date":"2023-10-13","current":-6.118298,"twenty":-17.389229,"median":-7.102969,"eighty":6.818872,"marketCap":194127478},{"date":"2023-10-20","current":-5.803315,"twenty":-17.389229,"median":-7.102969,"eighty":6.818872,"marketCap":184133395},{"date":"2023-10-27","current":-5.936944,"twenty":-17.410609,"median":-7.126005,"eighty":6.844169,"marketCap":188373309},{"date":"2023-11-03","current":-9.035498,"twenty":-17.410609,"median":-7.126005,"eighty":6.844169,"marketCap":219869811},{"date":"2023-11-10","current":-9.917619,"twenty":-17.410609,"median":-7.174475,"eighty":6.770307,"marketCap":241335347},{"date":"2023-11-17","current":-11.325522,"twenty":-17.410609,"median":-7.199168,"eighty":6.69542,"marketCap":275595264},{"date":"2023-11-24","current":-11.661924,"twenty":-17.410609,"median":-7.217121,"eighty":6.663021,"marketCap":283781262},{"date":"2023-12-01","current":-11.786517,"twenty":-17.410609,"median":-7.248614,"eighty":6.595989,"marketCap":286813114},{"date":"2023-12-08","current":-12.384565,"twenty":-17.403483,"median":-7.273234,"eighty":6.443988,"marketCap":301365999},{"date":"2023-12-15","current":-13.692793,"twenty":-17.403483,"median":-7.311414,"eighty":6.359138,"marketCap":333200435},{"date":"2023-12-22","current":-13.119665,"twenty":-17.403483,"median":-7.363723,"eighty":6.282001,"marketCap":319253920},{"date":"2023-12-29","current":-14.265922,"twenty":-17.410609,"median":-7.397342,"eighty":6.211035,"marketCap":347146950},{"date":"2024-01-05","current":-14.12887,"twenty":-17.417736,"median":-7.506546,"eighty":6.101501,"marketCap":343811914},{"date":"2024-01-12","current":-12.534077,"twenty":-17.417736,"median":-7.679508,"eighty":6.047506,"marketCap":305004220},{"date":"2024-01-19","current":-12.147838,"twenty":-17.424863,"median":-7.716171,"eighty":6.028222,"marketCap":295605482},{"date":"2024-01-26","current":-24.829691,"twenty":-17.474924,"median":-7.834223,"eighty":5.982712,"marketCap":407256597},{"date":"2024-02-02","current":-24.91782,"twenty":-17.577087,"median":-7.898593,"eighty":5.876263,"marketCap":408702084},{"date":"2024-02-09","current":-24.080617,"twenty":-17.705625,"median":-7.932155,"eighty":5.780614,"marketCap":394970272},{"date":"2024-02-16","current":-31.659511,"twenty":-17.922282,"median":-7.997746,"eighty":-3.321031,"marketCap":519279306},{"date":"2024-02-23","current":-28.729299,"twenty":-18.076905,"median":-8.152271,"eighty":-3.496715,"marketCap":471217964},{"date":"2024-03-01","current":-29.632598,"twenty":-18.239905,"median":-8.255612,"eighty":-3.527945,"marketCap":486033867},{"date":"2024-03-08","current":-31.725606,"twenty":-18.54648,"median":-8.354059,"eighty":-3.576518,"marketCap":520363396},{"date":"2024-03-15","current":-29.874946,"twenty":-18.681879,"median":-8.417479,"eighty":-3.619783,"marketCap":490008865},{"date":"2024-03-22","current":-28.883521,"twenty":-18.760995,"median":-8.522438,"eighty":-3.662473,"marketCap":473747509},{"date":"2024-03-28","current":-29.632598,"twenty":-18.930013,"median":-8.586631,"eighty":-3.70388,"marketCap":486033867},{"date":"2024-04-05","current":-27.958191,"twenty":-19.262502,"median":-8.671157,"eighty":-3.747224,"marketCap":458570243},{"date":"2024-04-12","current":-28.663204,"twenty":-19.369237,"median":-8.829057,"eighty":-3.769301,"marketCap":470133874},{"date":"2024-04-19","current":-25.887214,"twenty":-19.473765,"median":-8.901772,"eighty":-3.799748,"marketCap":424602077},{"date":"2024-04-26","current":-26.129562,"twenty":-19.693244,"median":-8.947292,"eighty":-3.844084,"marketCap":428577075},{"date":"2024-05-03","current":-28.619141,"twenty":-19.746944,"median":-9.027735,"eighty":-3.904197,"marketCap":469411147},{"date":"2024-05-10","current":-30.425738,"twenty":-19.829526,"median":-9.127539,"eighty":-3.975688,"marketCap":499042952},{"date":"2024-05-17","current":-31.307005,"twenty":-20.034788,"median":-9.216599,"eighty":-4.08576,"marketCap":513497490},{"date":"2024-05-24","current":-33.289855,"twenty":-20.196267,"median":-9.284869,"eighty":-4.132861,"marketCap":546020203},{"date":"2024-05-31","current":-56.720177,"twenty":-20.298109,"median":-9.359941,"eighty":-4.167269,"marketCap":630217891},{"date":"2024-06-07","current":-71.718288,"twenty":-20.445964,"median":-9.543948,"eighty":-4.266786,"marketCap":796861896},{"date":"2024-06-14","current":-87.700079,"twenty":-20.941364,"median":-9.611741,"eighty":-4.340182,"marketCap":974435577},{"date":"2024-06-21","current":-81.573726,"twenty":-21.292818,"median":-9.672794,"eighty":-4.499064,"marketCap":906365666},{"date":"2024-06-28","current":-80.815961,"twenty":-21.404363,"median":-9.776084,"eighty":-4.663917,"marketCap":897946144},{"date":"2024-07-05","current":-86.410144,"twenty":-21.654294,"median":-9.937025,"eighty":-4.767085,"marketCap":960103108},{"date":"2024-07-12","current":-96.79934,"twenty":-21.858393,"median":-9.9838,"eighty":-4.806218,"marketCap":1075537470},{"date":"2024-07-15","current":-99.230146,"twenty":-21.876555,"median":-10.036071,"eighty":-4.860289,"marketCap":1102546151},{"date":"2024-08-02","current":-75.488168,"twenty":-22.133155,"median":-10.187578,"eighty":-5.063307,"marketCap":838749035},{"date":"2024-08-09","current":-97.673558,"twenty":-22.561398,"median":-10.314872,"eighty":-5.167306,"marketCap":804537095},{"date":"2024-08-16","current":-101.99965,"twenty":-22.896288,"median":-10.392487,"eighty":-5.256199,"marketCap":840171120},{"date":"2024-08-23","current":-96.015222,"twenty":-23.193631,"median":-10.436301,"eighty":-5.335621,"marketCap":790877385},{"date":"2024-08-30","current":-95.12597,"twenty":-23.385594,"median":-10.536212,"eighty":-5.404635,"marketCap":783552614},{"date":"2024-09-06","current":-90.271133,"twenty":-23.54279,"median":-10.628293,"eighty":-5.438272,"marketCap":743563319},{"date":"2024-09-13","current":-104.210764,"twenty":-23.853034,"median":-10.711534,"eighty":-5.546436,"marketCap":858384066},{"date":"2024-09-20","current":-105.268254,"twenty":-24.107055,"median":-10.871692,"eighty":-5.59558,"marketCap":867094605},{"date":"2024-09-27","current":-106.037337,"twenty":-24.353287,"median":-10.911613,"eighty":-5.649753,"marketCap":873429543},{"date":"2024-10-04","current":-103.393614,"twenty":-24.772376,"median":-11.039283,"eighty":-5.700736,"marketCap":851653195},{"date":"2024-10-11","current":-106.566081,"twenty":-24.91782,"median":-11.130703,"eighty":-5.726713,"marketCap":877784813},{"date":"2024-10-18","current":-118.871412,"twenty":-25.225433,"median":-11.156026,"eighty":-5.774387,"marketCap":979143817},{"date":"2024-10-25","current":-108.825263,"twenty":-25.618919,"median":-11.447393,"eighty":-5.840089,"marketCap":896393693},{"date":"2024-10-31","current":-1070.938136,"twenty":-25.907887,"median":-11.531102,"eighty":-5.927399,"marketCap":926361488},{"date":"2024-11-08","current":-1291.237591,"twenty":-26.194918,"median":-11.661924,"eighty":-5.989495,"marketCap":1116920516},{"date":"2024-11-15","current":-1455.207889,"twenty":-26.807775,"median":-11.996241,"eighty":-6.037405,"marketCap":1258754824},{"date":"2024-11-22","current":-1548.937782,"twenty":-27.26653,"median":-12.11046,"eighty":-6.10263,"marketCap":1339831181},{"date":"2024-11-29","current":-1553.498846,"twenty":-27.589224,"median":-12.169771,"eighty":-6.162652,"marketCap":1343776502},{"date":"2024-12-06","current":-1591.355689,"twenty":-28.037066,"median":-12.292811,"eighty":-6.220344,"marketCap":1376522671},{"date":"2024-12-13","current":-1202.752924,"twenty":-28.37202,"median":-12.380777,"eighty":-6.247734,"marketCap":1040381279},{"date":"2024-12-20","current":-1101.041168,"twenty":-28.694048,"median":-12.434782,"eighty":-6.318875,"marketCap":952400610},{"date":"2024-12-27","current":-1207.770096,"twenty":-28.729299,"median":-12.496699,"eighty":-6.369665,"marketCap":1044721133},{"date":"2025-01-03","current":-1165.352188,"twenty":-28.936397,"median":-12.572447,"eighty":-6.421318,"marketCap":1008029643},{"date":"2025-01-10","current":-1239.013393,"twenty":-29.200777,"median":-12.612587,"eighty":-6.480835,"marketCap":1071746585},{"date":"2025-01-17","current":-1268.432265,"twenty":-29.50922,"median":-12.723014,"eighty":-6.501581,"marketCap":1097193909},{"date":"2025-01-24","current":-1355.548612,"twenty":-29.685474,"median":-12.760472,"eighty":-6.525071,"marketCap":1172549549},{"date":"2025-01-31","current":-1245.626938,"twenty":-29.888165,"median":-12.980288,"eighty":-6.579506,"marketCap":1077467301},{"date":"2025-02-07","current":415.851418,"twenty":-30.183384,"median":-13.03175,"eighty":-6.584849,"marketCap":1351101257},{"date":"2025-02-14","current":384.881175,"twenty":-30.183384,"median":-13.03175,"eighty":-6.540136,"marketCap":1250478938},{"date":"2025-02-21","current":350.145922,"twenty":-30.183384,"median":-13.03175,"eighty":-6.503367,"marketCap":1137624102},{"date":"2025-02-28","current":268.651675,"twenty":-30.183384,"median":-13.03175,"eighty":-6.483289,"marketCap":872849293},{"date":"2025-03-07","current":232.823355,"twenty":-30.194402,"median":-13.032449,"eighty":-6.434728,"marketCap":756443081},{"date":"2025-03-14","current":226.386403,"twenty":-30.194402,"median":-13.032449,"eighty":-6.381627,"marketCap":735529423},{"date":"2025-03-21","current":243.754029,"twenty":-30.194402,"median":-13.032449,"eighty":-6.374049,"marketCap":791956841},{"date":"2025-03-28","current":235.61675,"twenty":-30.194402,"median":-13.032449,"eighty":-6.365901,"marketCap":765518820},{"date":"2025-04-04","current":202.460372,"twenty":-30.194402,"median":-13.032449,"eighty":-6.322168,"marketCap":657793749},{"date":"2025-04-11","current":212.055075,"twenty":-30.183384,"median":-13.03175,"eighty":-6.233773,"marketCap":688966938},{"date":"2025-04-17","current":220.799614,"twenty":-30.183384,"median":-13.03175,"eighty":-6.214751,"marketCap":717377945},{"date":"2025-04-25","current":244.482741,"twenty":-30.194402,"median":-13.032449,"eighty":-6.182539,"marketCap":794324425},{"date":"2025-05-02","current":246.425972,"twenty":-30.194402,"median":-13.032449,"eighty":-6.095336,"marketCap":800637982},{"date":"2025-05-09","current":259.785684,"twenty":-30.194402,"median":-13.032449,"eighty":-5.997952,"marketCap":844043688},{"date":"2025-05-16","current":285.654946,"twenty":-30.194402,"median":-13.032449,"eighty":-5.927399,"marketCap":928092920},{"date":"2025-05-23","current":164.938199,"twenty":-30.194402,"median":-13.032449,"eighty":-5.817341,"marketCap":995072156},{"date":"2025-05-30","current":183.599329,"twenty":-30.194402,"median":-13.032449,"eighty":-5.767407,"marketCap":1107654754},{"date":"2025-06-06","current":208.611791,"twenty":-30.194402,"median":-13.032449,"eighty":-5.72004,"marketCap":1258554938},{"date":"2025-06-13","current":211.287333,"twenty":-30.194402,"median":-13.032449,"eighty":-5.683996,"marketCap":1274696477},{"date":"2025-06-20","current":222.852838,"twenty":-30.205421,"median":-13.037343,"eighty":-5.649753,"marketCap":1344471173},{"date":"2025-06-27","current":265.139218,"twenty":-30.205421,"median":-13.037343,"eighty":-5.58721,"marketCap":1599584905},{"date":"2025-07-03","current":288.414799,"twenty":-30.205421,"median":-13.037343,"eighty":-5.560881,"marketCap":1740006481},{"date":"2025-07-11","current":287.077537,"twenty":-30.205421,"median":-13.037343,"eighty":-5.421224,"marketCap":1731938782},{"date":"2025-07-18","current":299.112892,"twenty":-30.205421,"median":-13.037343,"eighty":-5.336438,"marketCap":1804548075},{"date":"2025-07-25","current":310.89525,"twenty":-30.205421,"median":-13.037343,"eighty":-5.262858,"marketCap":1875631046},{"date":"2025-08-01","current":168.012476,"twenty":-30.205421,"median":-13.03105,"eighty":-5.167307,"marketCap":2567398643},{"date":"2025-08-08","current":160.476296,"twenty":-30.205421,"median":-12.760472,"eighty":-5.065734,"marketCap":2452238281},{"date":"2025-08-15","current":154.151816,"twenty":-30.205421,"median":-12.665138,"eighty":-5.007218,"marketCap":2355593900},{"date":"2025-08-22","current":143.601164,"twenty":-30.205421,"median":-12.553262,"eighty":-4.926077,"marketCap":2194369394},{"date":"2025-08-29","current":159.116828,"twenty":-30.205421,"median":-12.471142,"eighty":-4.767085,"marketCap":2431464255},{"date":"2025-09-05","current":143.423843,"twenty":-30.21864,"median":-12.334727,"eighty":-4.715501,"marketCap":2191659738},{"date":"2025-09-12","current":161.717549,"twenty":-30.205421,"median":-12.277665,"eighty":-4.580315,"marketCap":2471205870},{"date":"2025-09-19","current":190.591461,"twenty":-30.205421,"median":-12.153212,"eighty":-4.366864,"marketCap":2912428117},{"date":"2025-09-26","current":171.278154,"twenty":-30.205421,"median":-12.0103,"eighty":-4.310731,"marketCap":2617301466},{"date":"2025-10-03","current":175.105351,"twenty":-30.205421,"median":-11.661924,"eighty":-4.195639,"marketCap":2675784865},{"date":"2025-10-10","current":176.716024,"twenty":-30.205421,"median":-11.531102,"eighty":-4.132861,"marketCap":2700397570},{"date":"2025-10-17","current":186.335736,"twenty":-30.205421,"median":-11.384119,"eighty":-4.091009,"marketCap":2847396384},{"date":"2025-10-24","current":167.066759,"twenty":-30.205421,"median":-11.148963,"eighty":-3.975917,"marketCap":2552947146},{"date":"2025-10-31","current":174.13008,"twenty":-30.205421,"median":-11.081495,"eighty":-3.922173,"marketCap":2660881759},{"date":"2025-11-07","current":109.058184,"twenty":-30.205421,"median":-10.963131,"eighty":-3.850362,"marketCap":1651577137},{"date":"2025-11-14","current":100.345464,"twenty":-30.205421,"median":-10.780914,"eighty":-3.798047,"marketCap":1519631714},{"date":"2025-11-21","current":88.857803,"twenty":-30.205421,"median":-10.656792,"eighty":-3.766658,"marketCap":1345662576},{"date":"2025-11-28","current":92.766592,"twenty":-30.205421,"median":-10.486909,"eighty":-3.75319,"marketCap":1404857270},{"date":"2025-12-05","current":98.495503,"twenty":-30.205421,"median":-10.382368,"eighty":-3.70388,"marketCap":1491615904},{"date":"2025-12-12","current":96.197971,"twenty":-30.205421,"median":-10.217223,"eighty":-3.673146,"marketCap":1456822077},{"date":"2025-12-19","current":91.274688,"twenty":-29.874946,"median":-10.083662,"eighty":-3.619783,"marketCap":1382263875},{"date":"2025-12-26","current":93.512544,"twenty":-29.720724,"median":-9.944596,"eighty":-3.593102,"marketCap":1416153967},{"date":"2026-01-02","current":85.873995,"twenty":-29.544471,"median":-9.7754,"eighty":-3.548633,"marketCap":1300475787},{"date":"2026-01-09","current":91.24485,"twenty":-29.236028,"median":-9.655974,"eighty":-3.505085,"marketCap":1381812007},{"date":"2026-01-16","current":92.736754,"twenty":-28.883521,"median":-9.473759,"eighty":-3.442307,"marketCap":1404405402},{"date":"2026-01-23","current":98.764046,"twenty":-28.729299,"median":-9.304274,"eighty":86.649786,"marketCap":1495682715},{"date":"2026-01-30","current":93.840763,"twenty":-28.663204,"median":-9.216599,"eighty":90.916631,"marketCap":1421124514},{"date":"2026-02-06","current":9.468819,"twenty":-28.266634,"median":-9.111927,"eighty":90.916631,"marketCap":1235538795},{"date":"2026-02-13","current":11.658141,"twenty":-27.848032,"median":-8.962522,"eighty":90.916631,"marketCap":1521212505},{"date":"2026-02-20","current":12.325884,"twenty":-27.209114,"median":-8.919115,"eighty":90.916631,"marketCap":1608342987},{"date":"2026-02-27","current":12.639687,"twenty":-26.173625,"median":-8.813064,"eighty":90.916631,"marketCap":1649289552},{"date":"2026-03-06","current":11.253116,"twenty":-25.80414,"median":-8.647704,"eighty":90.916631,"marketCap":1468362869},{"date":"2026-03-13","current":10.676595,"twenty":-25.384206,"median":-8.543321,"eighty":90.916631,"marketCap":1393135459},{"date":"2026-03-20","current":11.191085,"twenty":-24.91782,"median":-8.345671,"eighty":90.916631,"marketCap":1460268780},{"date":"2026-03-27","current":11.7895,"twenty":-24.502078,"median":-8.235702,"eighty":90.916631,"marketCap":1538352928},{"date":"2026-04-02","current":11.913562,"twenty":-24.330919,"median":-8.00297,"eighty":90.916631,"marketCap":1554541105},{"date":"2026-04-10","current":13.190666,"twenty":-24.041266,"median":-7.932155,"eighty":90.916631,"marketCap":1721184102},{"date":"2026-04-17","current":13.854761,"twenty":-23.33154,"median":-7.847563,"eighty":90.916631,"marketCap":1807838461},{"date":"2026-04-24","current":16.839537,"twenty":-23.33154,"median":-7.747091,"eighty":90.916631,"marketCap":2197306952},{"date":"2026-05-01","current":19.536052,"twenty":-22.863491,"median":-7.631315,"eighty":90.916631,"marketCap":2549161738},{"date":"2026-05-08","current":19.419288,"twenty":-22.863491,"median":-7.441606,"eighty":90.916631,"marketCap":2533925807},{"date":"2026-05-15","current":19.959321,"twenty":-22.863491,"median":-7.366203,"eighty":90.916631,"marketCap":2604391989},{"date":"2026-05-22","current":18.032717,"twenty":-22.863491,"median":-7.314691,"eighty":90.916631,"marketCap":2352999124},{"date":"2026-05-29","current":18.295898,"twenty":-22.957101,"median":-7.273234,"eighty":90.982275,"marketCap":2448155861},{"date":"2026-06-05","current":16.538665,"twenty":-22.863491,"median":-7.248614,"eighty":90.916631,"marketCap":2213022248},{"date":"2026-06-12","current":14.082816,"twenty":-22.863491,"median":-7.212915,"eighty":90.916631,"marketCap":1884407521},{"date":"2026-06-18","current":14.303807,"twenty":-22.863491,"median":-7.194998,"eighty":90.916631,"marketCap":1913978077},{"date":"2026-06-26","current":14.357272,"twenty":-22.957101,"median":-7.158695,"eighty":90.982275,"marketCap":1921132244},{"date":"2026-07-02","current":14.228955,"twenty":-22.785154,"median":-7.076073,"eighty":90.982275,"marketCap":1903962244},{"date":"2026-07-10","current":13.248754,"twenty":-22.785154,"median":-7.043602,"eighty":90.982275,"marketCap":1772802520},{"date":"2026-07-17","current":11.794492,"twenty":-22.785154,"median":-6.965138,"eighty":90.982275,"marketCap":1578209185},{"date":"2026-07-24","current":11.951783,"twenty":-22.785154,"median":-6.906665,"eighty":90.982275,"marketCap":1599256131},{"date":"2026-07-31","current":10.666061,"twenty":-22.921751,"median":-6.85619,"eighty":91.047919,"marketCap":1427214941},{"date":"2026-08-07","current":11.674244,"twenty":-22.921751,"median":-6.735767,"eighty":91.047919,"marketCap":1594409900},{"date":"2026-08-14","current":11.176364,"twenty":-22.921751,"median":-6.608307,"eighty":91.047919,"marketCap":1526411925},{"date":"2026-08-21","current":10.658513,"twenty":-22.921751,"median":-6.594251,"eighty":91.047919,"marketCap":1455686397},{"date":"2026-08-28","current":10.584027,"twenty":-22.921751,"median":-6.555178,"eighty":91.047919,"marketCap":1445513547},{"date":"2026-08-31","current":10.105192,"twenty":-22.921751,"median":-6.526542,"eighty":91.047919,"marketCap":1380116654}],"updateTime":1788270964620},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"AMSC\",pageSize:20,pageCount:8,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"8836579","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774919021592-AMSC","pdf_url":null,"pub_time":1572883200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Quarterly report [Sections 13 or 15(d)]","symbol":"AMSC","title":"Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/880807/000143774919021592/0001437749-19-021592-index.htm","us_notice_code":"Form 10-Q","us_title_en":"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/880807/000143774919021592/amsc20190930_10q.htm","primary":true,"translateUrl":null,"linkName":"amsc20190930_10q.htm","type":"10-Q","id":"NTFILEFxRssq5QWmuz5gNf","market":"us","size":1222918},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919021592/ex_155518.htm","primary":false,"translateUrl":null,"linkName":"ex_155518.htm","type":"EX-31.1","id":"NTFILE5vTsNapUqkcn6uLB","market":"us","size":11823},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919021592/ex_155519.htm","primary":false,"translateUrl":null,"linkName":"ex_155519.htm","type":"EX-31.2","id":"NTFILEFzNcG5GWKAyjSjgD","market":"us","size":13487},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919021592/ex_155520.htm","primary":false,"translateUrl":null,"linkName":"ex_155520.htm","type":"EX-32.1","id":"NTFILEGuoaqzDFsG9qp4zF","market":"us","size":6614},{"description":"EXHIBIT 32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919021592/ex_155521.htm","primary":false,"translateUrl":null,"linkName":"ex_155521.htm","type":"EX-32.2","id":"NTFILEEFTMsmX8tudGtsNT","market":"us","size":6631},{"description":"XBRL INSTANCE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919021592/amsc-20190930.xml","primary":false,"translateUrl":null,"linkName":"amsc-20190930.xml","type":"EX-101.INS","id":"NTFILE6HjMxTRahG9cAKq9","market":"us","size":1619062},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919021592/amsc-20190930.xsd","primary":false,"translateUrl":null,"linkName":"amsc-20190930.xsd","type":"EX-101.SCH","id":"NTFILEAqrNTD1USKomcw1y","market":"us","size":75027},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919021592/amsc-20190930_cal.xml","primary":false,"translateUrl":null,"linkName":"amsc-20190930_cal.xml","type":"EX-101.CAL","id":"NTFILEhdFVM4GZBiow1Ros","market":"us","size":51809},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919021592/amsc-20190930_def.xml","primary":false,"translateUrl":null,"linkName":"amsc-20190930_def.xml","type":"EX-101.DEF","id":"NTFILE6AHJX6ah1QREJjJz","market":"us","size":461773},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919021592/amsc-20190930_lab.xml","primary":false,"translateUrl":null,"linkName":"amsc-20190930_lab.xml","type":"EX-101.LAB","id":"NTFILEEyoHuak25PD1yfhs","market":"us","size":365625},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919021592/amsc-20190930_pre.xml","primary":false,"translateUrl":null,"linkName":"amsc-20190930_pre.xml","type":"EX-101.PRE","id":"NTFILEC3DYwTXzHYyNHR6Q","market":"us","size":500739}],"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":"2019-11-05 00:00","pubTimestamp":1572883200,"title_zh":"Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8836593","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312519234127-AMSC","pdf_url":null,"pub_time":1567008000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Securities to be offered to employees in employee benefit plans","symbol":"AMSC","title":"Securities to be offered to employees in employee benefit plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000119312519234127/0001193125-19-234127-index.htm","us_notice_code":"Form S-8","us_title_en":"Securities to be offered to employees in employee benefit plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312519234127/d797247ds8.htm","primary":true,"translateUrl":null,"linkName":"d797247ds8.htm","type":"S-8","id":"NTFILE8txBasUoLEhjx8uR","market":"us","size":38742},{"description":"EX-5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312519234127/d797247dex51.htm","primary":false,"translateUrl":null,"linkName":"d797247dex51.htm","type":"EX-5.1","id":"NTFILE7g99B3BAFo29qULz","market":"us","size":11602},{"description":"EX-23.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312519234127/d797247dex232.htm","primary":false,"translateUrl":null,"linkName":"d797247dex232.htm","type":"EX-23.2","id":"NTFILEAzu9Sr8HPGTs6JEQ","market":"us","size":1669},{"description":"GRAPHIC","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312519234127/g797247g75q28.jpg","primary":false,"translateUrl":null,"linkName":"g797247g75q28.jpg","type":"GRAPHIC","id":"NTFILEF72FQmCox9eFEAgP","market":"us","size":2463},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312519234127/g797247g83l97.jpg","primary":false,"translateUrl":null,"linkName":"g797247g83l97.jpg","type":"GRAPHIC","id":"NTFILEH8mcPnaNepXQ3iPz","market":"us","size":1982}],"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":"2019-08-29 00:00","pubTimestamp":1567008000,"title_zh":"Securities to be offered to employees in employee benefit plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8454624","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312519214189-AMSC","pdf_url":null,"pub_time":1565020800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 5.02, 5.07, and 9.01","symbol":"AMSC","title":"Current report, items 5.02, 5.07, and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000119312519214189/0001193125-19-214189-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, items 5.02, 5.07, and 9.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312519214189/d778101d8k.htm","primary":true,"translateUrl":null,"linkName":"d778101d8k.htm","type":"8-K","id":"NTFILEAqMduhSwTd3ooYQx","market":"us","size":28414},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312519214189/d778101dex101.htm","primary":false,"translateUrl":null,"linkName":"d778101dex101.htm","type":"EX-10.1","id":"NTFILE66v48rSE8xG623HC","market":"us","size":64590},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312519214189/d778101dex102.htm","primary":false,"translateUrl":null,"linkName":"d778101dex102.htm","type":"EX-10.2","id":"NTFILED4ixjPBDM4kYUEjg","market":"us","size":40576}],"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":"2019-08-06 00:00","pubTimestamp":1565020800,"title_zh":"Current report, items 5.02, 5.07, and 9.01","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8454081","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774919015631-AMSC","pdf_url":null,"pub_time":1565020800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 2.02 and 9.01","symbol":"AMSC","title":"Current report, items 2.02 and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015631/0001437749-19-015631-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, items 2.02 and 9.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015631/amsc20190729_8k.htm","primary":true,"translateUrl":null,"linkName":"amsc20190729_8k.htm","type":"8-K","id":"NTFILEGmvixGrSnex6VyKc","market":"us","size":26744},{"description":"EXHIBIT 99.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015631/ex_151971.htm","primary":false,"translateUrl":null,"linkName":"ex_151971.htm","type":"EX-99.1","id":"NTFILE4w8S4wNynG2afVyX","market":"us","size":215307},{"description":"","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015631/ex_151959img001.jpg","primary":false,"translateUrl":null,"linkName":"ex_151959img001.jpg","type":"GRAPHIC","id":"NTFILE2pfwmbZvWZvDLPoj","market":"us","size":13598},{"description":"","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015631/ex_151959img002.jpg","primary":false,"translateUrl":null,"linkName":"ex_151959img002.jpg","type":"GRAPHIC","id":"NTFILEFxfHYdFSzeHpR2Gv","market":"us","size":3879},{"description":"","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015631/ex_151959img003.jpg","primary":false,"translateUrl":null,"linkName":"ex_151959img003.jpg","type":"GRAPHIC","id":"NTFILEERqmsEjzjzKnDz8Q","market":"us","size":7972}],"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":"2019-08-06 00:00","pubTimestamp":1565020800,"title_zh":"Current report, items 2.02 and 9.01","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8454080","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774919015632-AMSC","pdf_url":null,"pub_time":1565020800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Quarterly report [Sections 13 or 15(d)]","symbol":"AMSC","title":"Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015632/0001437749-19-015632-index.htm","us_notice_code":"Form 10-Q","us_title_en":"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/880807/000143774919015632/amsc20190617_10q.htm","primary":true,"translateUrl":null,"linkName":"amsc20190617_10q.htm","type":"10-Q","id":"NTFILE13cUwKWh1deaHEhM","market":"us","size":968473},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015632/ex_148842.htm","primary":false,"translateUrl":null,"linkName":"ex_148842.htm","type":"EX-31.1","id":"NTFILE97ae1BQ1WJ9GoijM","market":"us","size":11823},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015632/ex_148843.htm","primary":false,"translateUrl":null,"linkName":"ex_148843.htm","type":"EX-31.2","id":"NTFILE26vTV7cErRtL43Ut","market":"us","size":13485},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015632/ex_148844.htm","primary":false,"translateUrl":null,"linkName":"ex_148844.htm","type":"EX-32.1","id":"NTFILEGHEAUGWsooK1J6ro","market":"us","size":6407},{"description":"EXHIBIT 32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015632/ex_148845.htm","primary":false,"translateUrl":null,"linkName":"ex_148845.htm","type":"EX-32.2","id":"NTFILE3JnsB5WuxkN17uAN","market":"us","size":6623},{"description":"XBRL INSTANCE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015632/amsc-20190630.xml","primary":false,"translateUrl":null,"linkName":"amsc-20190630.xml","type":"EX-101.INS","id":"NTFILE9B6mgSDmZVp3LHEa","market":"us","size":1227647},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015632/amsc-20190630.xsd","primary":false,"translateUrl":null,"linkName":"amsc-20190630.xsd","type":"EX-101.SCH","id":"NTFILEDXYViCjHhwE4VttN","market":"us","size":73017},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015632/amsc-20190630_cal.xml","primary":false,"translateUrl":null,"linkName":"amsc-20190630_cal.xml","type":"EX-101.CAL","id":"NTFILE5PLKHGWYgk8Ym2FQ","market":"us","size":49823},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015632/amsc-20190630_def.xml","primary":false,"translateUrl":null,"linkName":"amsc-20190630_def.xml","type":"EX-101.DEF","id":"NTFILEH37b3tpLr4MXCMmv","market":"us","size":441240},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015632/amsc-20190630_lab.xml","primary":false,"translateUrl":null,"linkName":"amsc-20190630_lab.xml","type":"EX-101.LAB","id":"NTFILEZkr4yxUmZEnqueVH","market":"us","size":351202},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919015632/amsc-20190630_pre.xml","primary":false,"translateUrl":null,"linkName":"amsc-20190630_pre.xml","type":"EX-101.PRE","id":"NTFILEGEvrwwNJjuoArDFT","market":"us","size":479594}],"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":"2019-08-06 00:00","pubTimestamp":1565020800,"title_zh":"Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8435179","market":"us","labels":[],"media":"sec.gov","original_id":"AN120919119043711-AMSC","pdf_url":null,"pub_time":1564416000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Statement of changes in beneficial ownership of securities","symbol":"AMSC","title":"Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119043711/0001209191-19-043711-index.htm","us_notice_code":"Form 4","us_title_en":"Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000120919119043711/xslF345X03/doc4.xml","primary":true,"translateUrl":null,"linkName":"doc4.html","type":"4","id":"NTFILE3cZRZNp6b4f2xU5K","market":"us","size":0},{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000120919119043711/doc4.xml","primary":false,"translateUrl":null,"linkName":"doc4.xml","type":"4","id":"NTFILE6g2tzeEk4wUZci3v","market":"us","size":4565}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2019-07-30 00:00","pubTimestamp":1564416000,"title_zh":"Statement of changes in beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8435178","market":"us","labels":[],"media":"sec.gov","original_id":"AN120919119043707-AMSC","pdf_url":null,"pub_time":1564416000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Statement of changes in beneficial ownership of securities","symbol":"AMSC","title":"Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119043707/0001209191-19-043707-index.htm","us_notice_code":"Form 4","us_title_en":"Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000120919119043707/xslF345X03/doc4.xml","primary":true,"translateUrl":null,"linkName":"doc4.html","type":"4","id":"NTFILEJ8W8W76QuHiszXsP","market":"us","size":0},{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000120919119043707/doc4.xml","primary":false,"translateUrl":null,"linkName":"doc4.xml","type":"4","id":"NTFILE3GdSygoiPTi183Pu","market":"us","size":4564}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2019-07-30 00:00","pubTimestamp":1564416000,"title_zh":"Statement of changes in beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8356991","market":"us","labels":[],"media":"sec.gov","original_id":"AN120919119040480-AMSC","pdf_url":null,"pub_time":1561996800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Statement of changes in beneficial ownership of securities","symbol":"AMSC","title":"Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119040480/0001209191-19-040480-index.htm","us_notice_code":"Form 4","us_title_en":"Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000120919119040480/xslF345X03/doc4.xml","primary":true,"translateUrl":null,"linkName":"doc4.html","type":"4","id":"NTFILEC9onBqs5jXe2FS6i","market":"us","size":0},{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000120919119040480/doc4.xml","primary":false,"translateUrl":null,"linkName":"doc4.xml","type":"4","id":"NTFILE7q2q8k7yC5gE3Pqx","market":"us","size":4564}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2019-07-02 00:00","pubTimestamp":1561996800,"title_zh":"Statement of changes in beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8356000","market":"us","labels":[],"media":"sec.gov","original_id":"AN120919119040283-AMSC","pdf_url":null,"pub_time":1561996800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Statement of changes in beneficial ownership of securities","symbol":"AMSC","title":"Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000120919119040283/0001209191-19-040283-index.htm","us_notice_code":"Form 4","us_title_en":"Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000120919119040283/xslF345X03/doc4.xml","primary":true,"translateUrl":null,"linkName":"doc4.html","type":"4","id":"NTFILE3oa4bKtoQYo6cS4Y","market":"us","size":0},{"description":"FORM 4 SUBMISSION","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000120919119040283/doc4.xml","primary":false,"translateUrl":null,"linkName":"doc4.xml","type":"4","id":"NTFILE5GfdFPaEmmqiyVi4","market":"us","size":4563}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2019-07-02 00:00","pubTimestamp":1561996800,"title_zh":"Statement of changes in beneficial ownership of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8323983","market":"us","labels":[],"media":"sec.gov","original_id":"AN131924419000055-AMSC","pdf_url":null,"pub_time":1561305600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Statement of acquisition of beneficial ownership by individuals","symbol":"AMSC","title":"Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000131924419000055/0001319244-19-000055-index.htm","us_notice_code":"Form SC 13G","us_title_en":"Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000131924419000055/AMSC_SC13G.htm","primary":true,"translateUrl":null,"linkName":"AMSC_SC13G.htm","type":"SC 13G","id":"NTFILE92wAoXBghA7TENsQ","market":"us","size":169295}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2019-06-24 00:00","pubTimestamp":1561305600,"title_zh":"Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8271421","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774919011476-AMSC","pdf_url":null,"pub_time":1559664000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 2.02, 5.02, and 9.01","symbol":"AMSC","title":"Current report, items 2.02, 5.02, and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011476/0001437749-19-011476-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, items 2.02, 5.02, and 9.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011476/amsc20190531_8k.htm","primary":true,"translateUrl":null,"linkName":"amsc20190531_8k.htm","type":"8-K","id":"NTFILE5PhsNrfgCizHL946","market":"us","size":43819},{"description":"EXHIBIT 10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011476/ex_146603.htm","primary":false,"translateUrl":null,"linkName":"ex_146603.htm","type":"EX-10.1","id":"NTFILE7SkWkD5782XM4rrm","market":"us","size":15650},{"description":"EXHIBIT 99.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011476/ex_146254.htm","primary":false,"translateUrl":null,"linkName":"ex_146254.htm","type":"EX-99.1","id":"NTFILE6Fy2YQJx5EnLhVUU","market":"us","size":282621},{"description":"","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011476/amsc2a04.jpg","primary":false,"translateUrl":null,"linkName":"amsc2a04.jpg","type":"GRAPHIC","id":"NTFILEFZmaPtE2UUztgok9","market":"us","size":13613},{"description":"","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011476/image1a04.jpg","primary":false,"translateUrl":null,"linkName":"image1a04.jpg","type":"GRAPHIC","id":"NTFILEE4xcgzD63p7mmMwo","market":"us","size":39940},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011476/pra04.jpg","primary":false,"translateUrl":null,"linkName":"pra04.jpg","type":"GRAPHIC","id":"NTFILE3BueQJBHtWj5JAxQ","market":"us","size":17148}],"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":"2019-06-05 00:00","pubTimestamp":1559664000,"title_zh":"Current report, items 2.02, 5.02, and 9.01","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8271420","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774919011477-AMSC","pdf_url":null,"pub_time":1559664000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"AMSC","title":"Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011477/0001437749-19-011477-index.htm","us_notice_code":"Form 10-K","us_title_en":"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/880807/000143774919011477/amsc20190331_10k.htm","primary":true,"translateUrl":null,"linkName":"amsc20190331_10k.htm","type":"10-K","id":"NTFILE4JvsziXaeLDM5qMH","market":"us","size":1646916},{"description":"EXHIBIT 4.3","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011477/ex_146280.htm","primary":false,"translateUrl":null,"linkName":"ex_146280.htm","type":"EX-4.3","id":"NTFILEAc56J6pynXJWsKVp","market":"us","size":18578},{"description":"EXHIBIT 10.38","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011477/ex_146283.htm","primary":false,"translateUrl":null,"linkName":"ex_146283.htm","type":"EX-10.38","id":"NTFILEFmxUDnsKsx1Pm1i1","market":"us","size":32760},{"description":"EXHIBIT 10.39","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011477/ex_146284.htm","primary":false,"translateUrl":null,"linkName":"ex_146284.htm","type":"EX-10.39","id":"NTFILE6bfhUX621peH2Qwn","market":"us","size":13847},{"description":"EXHIBIT 21.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011477/ex_146172.htm","primary":false,"translateUrl":null,"linkName":"ex_146172.htm","type":"EX-21.1","id":"NTFILEGK1ZamMhdQYdKNFr","market":"us","size":2756},{"description":"EXHIBIT 23.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011477/ex_146178.htm","primary":false,"translateUrl":null,"linkName":"ex_146178.htm","type":"EX-23.1","id":"NTFILE5JXcoApQ112d4CB7","market":"us","size":2731},{"description":"EXHIBIT 31.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011477/ex_146173.htm","primary":false,"translateUrl":null,"linkName":"ex_146173.htm","type":"EX-31.1","id":"NTFILE5yLskncTZFBCcdCZ","market":"us","size":12446},{"description":"EXHIBIT 31.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011477/ex_146175.htm","primary":false,"translateUrl":null,"linkName":"ex_146175.htm","type":"EX-31.2","id":"NTFILEBPSn8FFVjFtJF6hM","market":"us","size":15051},{"description":"EXHIBIT 32.1","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011477/ex_146176.htm","primary":false,"translateUrl":null,"linkName":"ex_146176.htm","type":"EX-32.1","id":"NTFILEFq7MtJGjiHoUmZ8n","market":"us","size":6897},{"description":"EXHIBIT 32.2","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011477/ex_146177.htm","primary":false,"translateUrl":null,"linkName":"ex_146177.htm","type":"EX-32.2","id":"NTFILE43jixhuWwcDDswTF","market":"us","size":6834},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919011477/g1.jpg","primary":false,"translateUrl":null,"linkName":"g1.jpg","type":"GRAPHIC","id":"NTFILE2gsfVkZQocUXShBZ","market":"us","size":65735}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2019-06-05 00:00","pubTimestamp":1559664000,"title_zh":"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":"8231950","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774919010833-AMSC","pdf_url":null,"pub_time":1558627200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, item 5.02","symbol":"AMSC","title":"Current report, item 5.02","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000143774919010833/0001437749-19-010833-index.htm","us_notice_code":"Form 8-K","us_title_en":"Other definitive proxy statements","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774919010833/amsc20190522_8k.htm","primary":true,"translateUrl":null,"linkName":"amsc20190522_8k.htm","type":"8-K","id":"NTFILEChwTigHzryC4MtPB","market":"us","size":21784}],"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":"2019-05-24 00:00","pubTimestamp":1558627200,"title_zh":"Current report, item 5.02","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"2530305","market":"us","labels":[],"media":"sec.gov","original_id":"AN162828018007711-AMSC","pdf_url":null,"pub_time":1528361936000,"showTitleType":true,"size":0,"source":"sec_us","summary":"AMERICAN SUPERCONDUCTOR CORP /DE/  ","symbol":"AMSC","title":"AMERICAN SUPERCONDUCTOR CORP /DE/  ","titleType":"[Rev.]Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/880807/000162828018007711/0001628280-18-007711-index.htm","us_notice_code":"Form 10-K/A","us_title_en":"AMERICAN SUPERCONDUCTOR CORP /DE/  ","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000162828018007711/amsc2018033110-ka.htm","primary":true,"translateUrl":null,"linkName":"amsc2018033110-ka.htm","type":"10-K/A","id":"NTFILE46onipnfMa5gErWE","market":"us","size":267963},{"description":"EXHIBIT 10.11","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000162828018007711/exh1011nondisclosure.htm","primary":false,"translateUrl":null,"linkName":"exh1011nondisclosure.htm","type":"EX-10.11","id":"NTFILEHLqnBKm317uhwyhH","market":"us","size":28651},{"description":"EXHIBIT 31.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000162828018007711/exhibit313to10ka.htm","primary":false,"translateUrl":null,"linkName":"exhibit313to10ka.htm","type":"EX-31.3","id":"NTFILE2JyzzSfstoBf1K9R","market":"us","size":9928},{"description":"EXHIBIT 31.4","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000162828018007711/exhibit314to10ka.htm","primary":false,"translateUrl":null,"linkName":"exhibit314to10ka.htm","type":"EX-31.4","id":"NTFILE2NPQqD1zB163zQvu","market":"us","size":9434}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"[Rev.]Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"[Rev.]Annual Report","pubTime":"2018-06-07 16:58","pubTimestamp":1528361936,"title_zh":"AMERICAN SUPERCONDUCTOR CORP /DE/  ","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"2563981","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312518042418-AMSC","pdf_url":null,"pub_time":1518451200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"","symbol":"AMSC","title":"","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000119312518042418/0001193125-18-042418-index.htm","us_notice_code":"Form CORRESP","us_title_en":"[Cover]Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312518042418/filename1.htm","primary":true,"translateUrl":null,"linkName":"filename1.htm","type":"CORRESP","id":"NTFILE4imT2r6YM2DN55dK","market":"us","size":6483}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2018-02-13 00:00","pubTimestamp":1518451200,"title_zh":"","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"2563983","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312517311627-AMSC","pdf_url":null,"pub_time":1508169600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"","symbol":"AMSC","title":"","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000119312517311627/0001193125-17-311627-index.htm","us_notice_code":"Form CORRESP","us_title_en":"[Cover]Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312517311627/filename1.htm","primary":true,"translateUrl":null,"linkName":"filename1.htm","type":"CORRESP","id":"NTFILEHXGS1LZHwzBoMpYH","market":"us","size":5123},{"description":"GRAPHIC","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312517311627/g463509g65o48.gif","primary":false,"translateUrl":null,"linkName":"g463509g65o48.gif","type":"GRAPHIC","id":"NTFILE5qnKfbjHQb9eM9pY","market":"us","size":4977}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2017-10-17 00:00","pubTimestamp":1508169600,"title_zh":"","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"1735741","market":"us","labels":[],"media":"sec.gov","original_id":"AN162828017005914-AMSC","pdf_url":null,"pub_time":1495700186000,"showTitleType":true,"size":0,"source":"sec_us","summary":"美国超导公司/德/","symbol":"AMSC","title":"美国超导公司/德/","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000162828017005914/0001628280-17-005914-index.htm","us_notice_code":"Form 8-K/A","us_title_en":"AMERICAN SUPERCONDUCTOR CORP /DE/  ","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000162828017005914/amsc033120178-ka.htm","primary":true,"translateUrl":null,"linkName":"amsc033120178-ka.htm","type":"8-K/A","id":"NTFILEGBsCT4cA6k7vQNxD","market":"us","size":26020}],"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":"2017-05-25 16:16","pubTimestamp":1495700186,"title_zh":"美国超导公司/德","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":false,"id":"4484961","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312515172192-AMSC","pdf_url":null,"pub_time":1430755200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"","symbol":"AMSC","title":"","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000119312515172192/0001193125-15-172192-index.htm","us_notice_code":"Form SC 13D/A","us_title_en":"[Amend] General statement of acquisition of beneficial ownership","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2015-05-05 00:00","pubTimestamp":1430755200,"title_zh":"","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":false,"id":"5493389","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312513060197-AMSC","pdf_url":null,"pub_time":1360771200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"","symbol":"AMSC","title":"","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000119312513060197/0001193125-13-060197-index.htm","us_notice_code":"Form SC 13D/A","us_title_en":"[Amend] General statement of acquisition of beneficial ownership","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2013-02-14 00:00","pubTimestamp":1360771200,"title_zh":"","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":false,"id":"4485086","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312512283877-AMSC","pdf_url":null,"pub_time":1340640000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"","symbol":"AMSC","title":"","titleType":"[Rev.]Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/880807/000119312512283877/0001193125-12-283877-index.htm","us_notice_code":"Form 10-K/A","us_title_en":"[Amend] Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"[Rev.]Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"[Rev.]Annual Report","pubTime":"2012-06-26 00:00","pubTimestamp":1340640000,"title_zh":"","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":9,"pageCount":8,"totalSize":174,"code":"91000000","status":"200"}]}}