US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

American Superconductor

28.92

-1.0900-3.63%

Post-market: 29.020.1000+0.35%19:52 EDT

Volume:1.12M

Turnover:32.18M

Market Cap:1.40B

PE:9.69

High:29.59

Open:29.08

Low:28.10

Close:30.01

52wk High:70.49

52wk Low:24.87

Shares:48.46M

Float Shares:46.79M

Volume Ratio:1.89

T/O Rate:2.39%

Dividend:- -

Dividend Rate:- -

EPS(TTM):2.99

EPS(LYR):3.05

ROE:30.16%

ROA:1.41%

PB:2.45

PE(LYR):9.48

Loading ...

Overview Company News Filings

Quarterly Report

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

Major Issues Report

Form 8-K - Current report

Beneficial Ownership Change

Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Major Issues Report

Form 8-K - Current report

Annual Report

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

Major Issues Report

Form 8-K - Current report

Beneficial Ownership Change

Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors

Major Issues Report

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

Quarterly Report

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

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

{"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://www-web.itiger.com/stock/AMSC/filings"},"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":28.92,"timestamp":1787601600000,"preClose":30.01,"halted":0,"volume":1119731,"hourTrading":{"tag":"盘后","latestPrice":29.02,"preClose":28.92,"latestTime":"19:52 EDT","volume":19612,"amount":567226.3807,"timestamp":1787615541648,"change":0.1,"changeRate":0.003458,"amplitude":0.003458},"delay":0,"changeRate":-0.03632122625791402,"floatShares":46794082,"shares":48462299,"eps":2.985294,"marketStatus":"Closed","change":-1.09,"latestTime":"08-24 16:00:00 EDT","open":29.08,"high":29.5905,"low":28.095,"amount":32181128.285742998,"amplitude":0.049833,"askPrice":0,"askSize":0,"bidPrice":0,"bidSize":0,"shortable":3,"etf":0,"ttmEps":2.985294,"tradingStatus":0,"nextMarketStatus":{"tag":"Pre-Mkt","tradingStatus":1,"beginTime":1787644800000},"marketStatusCode":5,"adr":0,"adrRate":0,"listingDate":692427600000,"exchange":"NASDAQ","adjPreClose":30.01,"preHourTrading":{"tag":"盘前","latestPrice":29.21,"preClose":30.01,"latestTime":"09:29 EDT","volume":4613,"amount":136051.25513,"timestamp":1787578199999,"change":-0.8,"changeRate":-0.026658,"amplitude":0.030546},"postHourTrading":{"tag":"盘后","latestPrice":29.02,"preClose":28.92,"latestTime":"19:52 EDT","volume":19612,"amount":567226.3807,"timestamp":1787615541648,"change":0.1,"changeRate":0.003458,"amplitude":0.003458},"volumeRatio":1.890461,"impliedVol":0.7249,"impliedVolPercentile":0.1355},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"AMSC\",,,,,undefined,":{"symbol":"AMSC","floatShares":46794082,"roa":"1.41%","roe":"30.16%","lyrEps":3.05,"volumeRatio":1.890461,"shares":48462299,"dividePrice":0,"high":29.5905,"amplitude":0.049833,"preClose":30.01,"low":28.095,"week52Low":24.87,"pbRate":"2.45","psRate":"4.37","week52High":70.4857,"institutionHeld":0.8398,"latestPrice":28.92,"eps":2.985294,"divideRate":0,"volume":1119731,"delay":0,"ttmEps":2.985294,"open":29.08,"prevYearClose":28.78,"prevWeekClose":30.01,"prevMonthClose":29.37,"prevQuarterClose":41.51,"fiveDayClose":32.13,"twentyDayClose":30.53,"sixtyDayClose":51.33},"@#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":1784692800000},"@#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":"2026-08-21","current":9.684138,"percent":0.685666,"low":-1678.928143,"twenty":-22.921751,"median":-6.594251,"eighty":91.047919,"high":415.851418,"avg":-42.324969,"sd":320.974034,"marketCap":1455686397},"quantilePoints":[{"date":"2021-08-27","current":-14.402967,"twenty":-15.385537,"median":-3.80665,"eighty":6.706252,"marketCap":355234787},{"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}],"updateTime":1787598516073},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"AMSC\",pageSize:20,pageCount:1,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"21581703","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774926025922-AMSC","pdf_url":"","pub_time":1785960607000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"AMSC","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/880807/0001437749-26-025922-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/880807/000143774926025922/amsc20260630_10q.htm","primary":true,"translateUrl":"","linkName":"amsc20260630_10q.htm","type":"10-Q","id":"NTFILE25jP4WBTP1L97d5X","market":"us","size":1272191},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926025922/ex_978084.htm","primary":false,"translateUrl":"","linkName":"ex_978084.htm","type":"EX-31.1","id":"NTFILEHiSMCjveGqG4QkLx","market":"us","size":14289},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926025922/ex_978085.htm","primary":false,"translateUrl":"","linkName":"ex_978085.htm","type":"EX-31.2","id":"NTFILE7QujX4Rn4wcCKRtS","market":"us","size":14876},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926025922/ex_978086.htm","primary":false,"translateUrl":"","linkName":"ex_978086.htm","type":"EX-32.1","id":"NTFILEERiGsroiG43NQjEo","market":"us","size":8116},{"description":"EXHIBIT 32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926025922/ex_978087.htm","primary":false,"translateUrl":"","linkName":"ex_978087.htm","type":"EX-32.2","id":"NTFILE3GPfUfXP5yZfqm4t","market":"us","size":8105}],"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":"2026-08-06 04:10","pubTimestamp":1785960607,"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":"21581952","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774926025921-AMSC","pdf_url":"","pub_time":1785960440000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"AMSC","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/0001437749-26-025921-index.html","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\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/880807/000143774926025921/ex_978081.htm","primary":true,"translateUrl":"","linkName":"ex_978081.htm","type":"EX-99.1","id":"NTFILEHHy7cb1ShU9ZScNP","market":"us","size":231545},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926025921/amsc20260617_8k.htm","primary":false,"translateUrl":"","linkName":"amsc20260617_8k.htm","type":"8-K","id":"NTFILEFYgp9giPWMpbYY85","market":"us","size":42126},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926025921/amscbranding-newsizecorrecte.jpg","primary":false,"translateUrl":"","linkName":"amscbranding-newsizecorrecte.jpg","type":"GRAPHIC","id":"NTFILE5T5zYecxbidcqBpN","market":"us","size":7424},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926025921/amscpressrelease-new.jpg","primary":false,"translateUrl":"","linkName":"amscpressrelease-new.jpg","type":"GRAPHIC","id":"NTFILEB3cvKYAbRSjRbS3p","market":"us","size":13744},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926025921/work2.jpg","primary":false,"translateUrl":"","linkName":"work2.jpg","type":"GRAPHIC","id":"NTFILE9SAtPZUtbDqxnHvj","market":"us","size":22443}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-08-06 04:07","pubTimestamp":1785960440,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21559726","market":"us","labels":[],"media":"sec.gov","original_id":"AN210011926001340-AMSC","pdf_url":"","pub_time":1785470400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","symbol":"AMSC","title":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000210011926001340/0002100119-26-001340-index.htm","us_notice_code":"Form SCHEDULE 13G/A","us_title_en":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000210011926001340/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G/A","id":"NTFILEHhiNgyeRpx3zcazS","market":"us","size":0}],"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":"2026-07-31 12:00","pubTimestamp":1785470400,"title_zh":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21384569","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726005955-AMSC","pdf_url":"","pub_time":1781150400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"AMSC","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005955/0001950047-26-005955-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005955/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE8x5H7baeBcdXxkbQ","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-06-11 12:00","pubTimestamp":1781150400,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21384440","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726005923-AMSC","pdf_url":"","pub_time":1781150400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"AMSC","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005923/0001950047-26-005923-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005923/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEDq4eGXNJWpfj1f8w","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-06-11 12:00","pubTimestamp":1781150400,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21379321","market":"us","labels":[],"media":"sec.gov","original_id":"AN194984626000370-AMSC","pdf_url":"","pub_time":1781064000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"AMSC","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000194984626000370/0001949846-26-000370-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000194984626000370/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE2PCPyETZUnjYUCPc","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-06-10 12:00","pubTimestamp":1781064000,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21369396","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726005744-AMSC","pdf_url":"","pub_time":1780891200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"AMSC","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005744/0001950047-26-005744-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005744/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEBdSykX7bziwxGrPW","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-06-08 12:00","pubTimestamp":1780891200,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21369395","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726005745-AMSC","pdf_url":"","pub_time":1780891200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"AMSC","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005745/0001950047-26-005745-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005745/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEFtjK8bYRxLgWyM9K","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-06-08 12:00","pubTimestamp":1780891200,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21351752","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726005559-AMSC","pdf_url":"","pub_time":1780459200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"AMSC","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005559/0001950047-26-005559-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005559/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE8tUbtRSR2i8ivSfc","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-06-03 12:00","pubTimestamp":1780459200,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21351745","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726005556-AMSC","pdf_url":"","pub_time":1780459200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"AMSC","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005556/0001950047-26-005556-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005556/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEGZ4yf26DnksBKVBP","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-06-03 12:00","pubTimestamp":1780459200,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21345500","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726005517-AMSC","pdf_url":"","pub_time":1780372800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"AMSC","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005517/0001950047-26-005517-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005517/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE7wEVDaSydaYhLeeD","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-06-02 12:00","pubTimestamp":1780372800,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21344885","market":"us","labels":[],"media":"sec.gov","original_id":"AN195004726005472-AMSC","pdf_url":"","pub_time":1780372800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"AMSC","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005472/0001950047-26-005472-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000195004726005472/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE9RLSTtdtbJMzBQFp","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-06-02 12:00","pubTimestamp":1780372800,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21344875","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774926019163-AMSC","pdf_url":"","pub_time":1780372800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"AMSC","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000143774926019163/0001437749-26-019163-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 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926019163/ex_970510.htm","primary":true,"translateUrl":"","linkName":"ex_970510.htm","type":"EX-10.1","id":"NTFILEFpmUfvp2aFHRCPzi","market":"us","size":9679},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926019163/amsc20260601_8k.htm","primary":false,"translateUrl":"","linkName":"amsc20260601_8k.htm","type":"8-K","id":"NTFILE23gajXsoiNBYecJm","market":"us","size":32873}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-06-02 12:00","pubTimestamp":1780372800,"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 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21317189","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774926018542-AMSC","pdf_url":"","pub_time":1779854400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"AMSC","title":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018542/0001437749-26-018542-index.htm","us_notice_code":"Form 10-K","us_title_en":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018542/amsc20260331_10k.htm","primary":true,"translateUrl":"","linkName":"amsc20260331_10k.htm","type":"10-K","id":"NTFILE7Tgdx8iQSJpEurjo","market":"us","size":2516007},{"description":"EXHIBIT 21.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018542/ex_919730.htm","primary":false,"translateUrl":"","linkName":"ex_919730.htm","type":"EX-21.1","id":"NTFILELff5yuW2NPDfNMzL","market":"us","size":5647},{"description":"EXHIBIT 23.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018542/ex_919731.htm","primary":false,"translateUrl":"","linkName":"ex_919731.htm","type":"EX-23.1","id":"NTFILE2Q7ufnibXRvyCjv8","market":"us","size":2944},{"description":"EXHIBIT 31.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018542/ex_919732.htm","primary":false,"translateUrl":"","linkName":"ex_919732.htm","type":"EX-31.1","id":"NTFILE3ikXAmsFhhRYo6Mh","market":"us","size":13403},{"description":"EXHIBIT 31.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018542/ex_919733.htm","primary":false,"translateUrl":"","linkName":"ex_919733.htm","type":"EX-31.2","id":"NTFILEArRVm5Y6v6jMYboi","market":"us","size":15430},{"description":"EXHIBIT 32.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018542/ex_919734.htm","primary":false,"translateUrl":"","linkName":"ex_919734.htm","type":"EX-32.1","id":"NTFILE7d3Ei4NaDz7jmD5r","market":"us","size":7256},{"description":"EXHIBIT 32.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018542/ex_919735.htm","primary":false,"translateUrl":"","linkName":"ex_919735.htm","type":"EX-32.2","id":"NTFILE5TawTHLgZ2bkmecS","market":"us","size":7147},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018542/stockchart.jpg","primary":false,"translateUrl":"","linkName":"stockchart.jpg","type":"GRAPHIC","id":"NTFILE9bUBuncWFjp5LV1A","market":"us","size":46956}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2026-05-27 12:00","pubTimestamp":1779854400,"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":"21317187","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774926018539-AMSC","pdf_url":"","pub_time":1779854400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"AMSC","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018539/0001437749-26-018539-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/880807/000143774926018539/ex_919739.htm","primary":true,"translateUrl":"","linkName":"ex_919739.htm","type":"EX-99.1","id":"NTFILEEQJphcirUM7jrivk","market":"us","size":291418},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018539/amsc20260211_8k.htm","primary":false,"translateUrl":"","linkName":"amsc20260211_8k.htm","type":"8-K","id":"NTFILEDaXsZaUXwFpUGDMC","market":"us","size":32998},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018539/amsc.jpg","primary":false,"translateUrl":"","linkName":"amsc.jpg","type":"GRAPHIC","id":"NTFILE5kJAdAh8fuB1ezAh","market":"us","size":4157},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018539/pr.jpg","primary":false,"translateUrl":"","linkName":"pr.jpg","type":"GRAPHIC","id":"NTFILE4X9tpDUvAee2vUr1","market":"us","size":9954},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926018539/work.jpg","primary":false,"translateUrl":"","linkName":"work.jpg","type":"GRAPHIC","id":"NTFILEFEg55fEycSbeEDfw","market":"us","size":14794}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-05-27 12:00","pubTimestamp":1779854400,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21191839","market":"us","labels":[],"media":"sec.gov","original_id":"AN210011926000109-AMSC","pdf_url":"","pub_time":1777494866000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","symbol":"AMSC","title":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/0002100119-26-000109-index.html","us_notice_code":"Form SCHEDULE 13G","us_title_en":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000210011926000109/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G","id":"NTFILEG9DGGCBsZ7ruopJb","market":"us","size":0}],"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":"2026-04-30 04:34","pubTimestamp":1777494866,"title_zh":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20741943","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774926004349-AMSC","pdf_url":"","pub_time":1771304400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K/A - Current report: [Amend]","symbol":"AMSC","title":"Form 8-K/A - Current report: [Amend]","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000143774926004349/0001437749-26-004349-index.htm","us_notice_code":"Form 8-K/A","us_title_en":"Form 8-K/A - Current report: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 8-K/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926004349/amsc20260217_8ka.htm","primary":true,"translateUrl":"","linkName":"amsc20260217_8ka.htm","type":"8-K/A","id":"NTFILEQYfbM5VN35CttEwt","market":"us","size":31273},{"description":"EXHIBIT 23.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926004349/ex_921675.htm","primary":false,"translateUrl":"","linkName":"ex_921675.htm","type":"EX-23.1","id":"NTFILE71zpGVGPZ7cxVzAd","market":"us","size":2336},{"description":"EXHIBIT 99.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926004349/ex_921676.htm","primary":false,"translateUrl":"","linkName":"ex_921676.htm","type":"EX-99.1","id":"NTFILECS4XVLZ6bom9WC8V","market":"us","size":866850},{"description":"EXHIBIT 99.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926004349/ex_921677.htm","primary":false,"translateUrl":"","linkName":"ex_921677.htm","type":"EX-99.2","id":"NTFILEEs7Lic8wQsnW37Tw","market":"us","size":834254},{"description":"EXHIBIT 99.3","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926004349/ex_921678.htm","primary":false,"translateUrl":"","linkName":"ex_921678.htm","type":"EX-99.3","id":"NTFILE4XGmh2wQKQ1YwNHL","market":"us","size":575561}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-02-17 13:00","pubTimestamp":1771304400,"title_zh":"Form 8-K/A - Current report: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20701512","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774926002978-AMSC","pdf_url":"","pub_time":1770239406000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"AMSC","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/880807/0001437749-26-002978-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/880807/000143774926002978/amsc20251231_10q.htm","primary":true,"translateUrl":"","linkName":"amsc20251231_10q.htm","type":"10-Q","id":"NTFILE6REewpb9hUmW4FeF","market":"us","size":1878485},{"description":"EXHIBIT 10.6 - AMENDMENT NO. 1 TO STOCK EXCHANGE AGREEMENT","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926002978/ex_915335.htm","primary":false,"translateUrl":"","linkName":"ex_915335.htm","type":"EX-10.6","id":"NTFILEBcTuRVvebD1gaCe5","market":"us","size":19398},{"description":"EXHIBIT 31.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926002978/ex_895149.htm","primary":false,"translateUrl":"","linkName":"ex_895149.htm","type":"EX-31.1","id":"NTFILEeZhKG752466AZptF","market":"us","size":14289},{"description":"EXHIBIT 31.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926002978/ex_895150.htm","primary":false,"translateUrl":"","linkName":"ex_895150.htm","type":"EX-31.2","id":"NTFILEAiwRjGYPF8vRwBeG","market":"us","size":14876},{"description":"EXHIBIT 32.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926002978/ex_895151.htm","primary":false,"translateUrl":"","linkName":"ex_895151.htm","type":"EX-32.1","id":"NTFILE8WVPtvBNdrw4NS5x","market":"us","size":8121},{"description":"EXHIBIT 32.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926002978/ex_895152.htm","primary":false,"translateUrl":"","linkName":"ex_895152.htm","type":"EX-32.2","id":"NTFILE7n8y4oFPqWhkHP2u","market":"us","size":8113}],"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":"2026-02-05 05:10","pubTimestamp":1770239406,"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":"20699978","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774926002977-AMSC","pdf_url":"","pub_time":1770181200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"AMSC","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000143774926002977/0001437749-26-002977-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/880807/000143774926002977/ex_895205.htm","primary":true,"translateUrl":"","linkName":"ex_895205.htm","type":"EX-99.1","id":"NTFILECiFPQ8xkckE7AQqq","market":"us","size":302674},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926002977/amsc20251203_8k.htm","primary":false,"translateUrl":"","linkName":"amsc20251203_8k.htm","type":"8-K","id":"NTFILE9Uvk6mcut6U4wwTw","market":"us","size":32091},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926002977/amsc.jpg","primary":false,"translateUrl":"","linkName":"amsc.jpg","type":"GRAPHIC","id":"NTFILE3UhycbVYpuxJzBpy","market":"us","size":4157},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926002977/pr.jpg","primary":false,"translateUrl":"","linkName":"pr.jpg","type":"GRAPHIC","id":"NTFILE8eqB9Tf7cgkwTnZV","market":"us","size":9954},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000143774926002977/work.jpg","primary":false,"translateUrl":"","linkName":"work.jpg","type":"GRAPHIC","id":"NTFILE57kqYC6uAu5ur1HR","market":"us","size":14794}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-02-04 13:00","pubTimestamp":1770181200,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20563530","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525330930-AMSC","pdf_url":"","pub_time":1766466000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"AMSC","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/880807/000119312525330930/0001193125-25-330930-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-5.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312525330930/d36453dex51.htm","primary":true,"translateUrl":"","linkName":"d36453dex51.htm","type":"EX-5.1","id":"NTFILE8AZxwQN1zutD15nF","market":"us","size":11202},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312525330930/d36453d8k.htm","primary":false,"translateUrl":"","linkName":"d36453d8k.htm","type":"8-K","id":"NTFILE7RpMwcxaxnPgxt27","market":"us","size":26161},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312525330930/g36453dsp001.jpg","primary":false,"translateUrl":"","linkName":"g36453dsp001.jpg","type":"GRAPHIC","id":"NTFILE61nswPtxTfTxyGCn","market":"us","size":5498},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/880807/000119312525330930/g36453g1223042102012.jpg","primary":false,"translateUrl":"","linkName":"g36453g1223042102012.jpg","type":"GRAPHIC","id":"NTFILEGPy1T4K6JmWzc7b3","market":"us","size":1690}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-12-23 13:00","pubTimestamp":1766466000,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":9,"pageCount":1,"totalSize":174,"code":"91000000","status":"200"}]}}