US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

Ambarella

70.36

+0.35500.51%

Volume:320.83K

Turnover:22.52M

Market Cap:3.08B

PE:-43.50

High:71.43

Open:71.36

Low:69.31

Close:70.00

52wk High:96.69

52wk Low:48.30

Shares:43.79M

Float Shares:41.45M

Volume Ratio:0.41

T/O Rate:0.77%

Dividend:- -

Dividend Rate:- -

EPS(TTM):-1.6174

EPS(LYR):-1.7800

ROE:-11.82%

ROA:-6.35%

PB:5.09

PE(LYR):-39.53

Loading ...

Overview Company News Filings

Statement Of Changes In Beneficial Ownership

4 - Statement of changes in beneficial ownership of securities

Statement Of Changes In Beneficial Ownership

4 - Statement of changes in beneficial ownership of securities

Major Issues Report

8-K - Current report

Employee Stock Ownership

S-8 - Securities to be offered to employees in employee benefit plans

Employee Stock Ownership

S-8 - Securities to be offered to employees in employee benefit plans

Employee Stock Ownership

S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments

Employee Stock Ownership

S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments

Employee Stock Ownership

S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments

Employee Stock Ownership

S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments

Employee Stock Ownership

S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments

Employee Stock Ownership

S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments

Employee Stock Ownership

S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments

Employee Stock Ownership

S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments

Employee Stock Ownership

S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments

Employee Stock Ownership

S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Quarterly Report

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

Major Issues Report

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.itiger.com/stock/AMBA/filings?page=8"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"AMBA","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"AMBA\",,,,,undefined,":{"symbol":"AMBA","market":"US","secType":"STK","nameCN":"Ambarella","latestPrice":70.355,"timestamp":1787683133263,"preClose":70,"halted":0,"volume":320834,"delay":0,"changeRate":0.005071428571428629,"floatShares":41446600,"shares":43788879,"eps":-1.617397,"marketStatus":"Trading","change":0.355,"latestTime":"08-25 14:38:58 EDT","open":71.36,"high":71.425,"low":69.31,"amount":22519752.33586,"amplitude":0.030214,"askPrice":70.39,"askSize":38,"bidPrice":70.3,"bidSize":340,"shortable":3,"etf":0,"ttmEps":-1.617397,"tradingStatus":2,"nextMarketStatus":{"tag":"Post-Mkt","tradingStatus":3,"beginTime":1787688000000},"marketStatusCode":2,"adr":0,"adrRate":0,"listingDate":1349841600000,"exchange":"NASDAQ","adjPreClose":70,"preHourTrading":{"tag":"盘前","latestPrice":71.72,"preClose":70,"latestTime":"09:28 EDT","volume":4287,"amount":305169.169008,"timestamp":1787664480045,"change":1.72,"changeRate":0.024571,"amplitude":0.025286},"postHourTrading":{"tag":"盘后","latestPrice":70,"preClose":70,"latestTime":"19:59 EDT","volume":28505,"amount":1996884.5806,"timestamp":1787615994045,"change":0,"changeRate":0,"amplitude":0.014286},"volumeRatio":0.406073,"impliedVol":0.8366,"impliedVolPercentile":0.7888},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"AMBA\",,,,,undefined,":{"symbol":"AMBA","floatShares":41446600,"roa":"-6.35%","roe":"-11.82%","lyrEps":-1.779999,"volumeRatio":0.406073,"shares":43788879,"dividePrice":0,"high":71.425,"amplitude":0.030214,"preClose":70,"low":69.31,"week52Low":48.3,"pbRate":"5.09","psRate":"7.60","week52High":96.69,"institutionHeld":0,"latestPrice":70.355,"committee":0.798942,"eps":-1.617397,"divideRate":0,"volume":320834,"delay":0,"ttmEps":-1.617397,"open":71.36,"prevYearClose":70.84,"prevWeekClose":73.73,"prevMonthClose":86,"prevQuarterClose":85.8,"fiveDayClose":74.82,"twentyDayClose":68.97,"sixtyDayClose":72.18,"earningDate":1788364800000,"earningTime":"盘后"},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/AMBA\",params:#limit:5,,,undefined,":[{"date":"2026-09-03","symbol":"AMBA","type":"earning","reportTimeType":"post","market":"US","fiscalQuarterEnding":"2026/07","expectedEps":-0.3,"defaultRemindTime":1788465600000,"name":null,"time":"Post-Mkt","dateTimestamp":1788408000000,"actualEps":null},{"market":"US","date":"2026-05-28","symbol":"AMBA","fiscalQuarterEnding":"2026/04","expectedEps":-0.39,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1779940800000,"reportTimeType":"post","actualEps":-0.39},{"market":"US","date":"2026-02-26","symbol":"AMBA","fiscalQuarterEnding":"2026/01","expectedEps":-0.49,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1772082000000,"reportTimeType":"post","actualEps":-0.35},{"market":"US","date":"2025-11-25","symbol":"AMBA","fiscalQuarterEnding":"2025/10","expectedEps":-0.4,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1764046800000,"reportTimeType":"post","actualEps":-0.33},{"market":"US","date":"2025-08-28","symbol":"AMBA","fiscalQuarterEnding":"2025/07","expectedEps":-0.59,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1756353600000,"reportTimeType":"post","actualEps":-0.44}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"AMBA\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"AMBA\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.0769,"buy":0.4615,"hold":0.4615,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.4615,"analysts":13,"updateTime":1780286400000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/AMBA\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"AMBA","date":"2026-08-24","current":-43.279417,"percent":0.339853,"low":-269.249338,"twenty":-92.977553,"median":-37.806741,"eighty":-18.921276,"high":-9.51199,"avg":-53.998047,"sd":50.887261,"marketCap":3234401280},"quantilePoints":[{"date":"2021-08-27","current":-67.391088,"twenty":-56.16269,"median":-38.669659,"eighty":32.762211,"marketCap":3716011978},{"date":"2021-09-03","current":-104.69736,"twenty":-56.487219,"median":-38.851777,"eighty":30.772267,"marketCap":4977417197},{"date":"2021-09-10","current":-114.383638,"twenty":-56.631507,"median":-38.999206,"eighty":30.669179,"marketCap":5437912521},{"date":"2021-09-17","current":-115.810348,"twenty":-56.980487,"median":-39.12929,"eighty":30.669179,"marketCap":5505739774},{"date":"2021-09-24","current":-125.619948,"twenty":-57.314238,"median":-39.334456,"eighty":30.669179,"marketCap":5972097968},{"date":"2021-10-01","current":-118.548091,"twenty":-57.809778,"median":-39.571576,"eighty":30.603135,"marketCap":5635894773},{"date":"2021-10-08","current":-118.871992,"twenty":-57.954611,"median":-39.765674,"eighty":30.049406,"marketCap":5651293393},{"date":"2021-10-15","current":-128.851255,"twenty":-58.045592,"median":-39.933666,"eighty":30.049406,"marketCap":6125717530},{"date":"2021-10-22","current":-133.686648,"twenty":-58.525923,"median":-40.194993,"eighty":30.049406,"marketCap":6355596923},{"date":"2021-10-29","current":-143.311161,"twenty":-58.981015,"median":-40.301184,"eighty":30.013281,"marketCap":6813155905},{"date":"2021-11-05","current":-149.5964,"twenty":-59.476167,"median":-40.417499,"eighty":30.013281,"marketCap":7111962452},{"date":"2021-11-12","current":-150.730057,"twenty":-60.038906,"median":-40.605333,"eighty":30.013281,"marketCap":7165857621},{"date":"2021-11-19","current":-145.516779,"twenty":-60.886884,"median":-40.957188,"eighty":30.013281,"marketCap":6918013172},{"date":"2021-11-26","current":-132.807486,"twenty":-61.176344,"median":-41.089975,"eighty":30.013281,"marketCap":6313800669},{"date":"2021-12-03","current":-238.835874,"twenty":-61.467011,"median":-41.197758,"eighty":30.013281,"marketCap":7095097297},{"date":"2021-12-10","current":-258.848561,"twenty":-61.812502,"median":-41.310254,"eighty":30.013281,"marketCap":7689614211},{"date":"2021-12-17","current":-224.694153,"twenty":-62.068191,"median":-41.51346,"eighty":30.013281,"marketCap":6674989209},{"date":"2021-12-23","current":-249.842859,"twenty":-62.294704,"median":-41.693195,"eighty":30.013281,"marketCap":7422081798},{"date":"2021-12-31","current":-252.720199,"twenty":-62.473811,"median":-42.0552,"eighty":30.013281,"marketCap":7507558959},{"date":"2022-01-07","current":-196.306883,"twenty":-62.791683,"median":-42.251308,"eighty":29.977155,"marketCap":5831688560},{"date":"2022-01-14","current":-194.089711,"twenty":-63.199123,"median":-42.510249,"eighty":29.977155,"marketCap":5765823042},{"date":"2022-01-21","current":-168.093996,"twenty":-63.347747,"median":-42.76057,"eighty":29.977155,"marketCap":4993568345},{"date":"2022-01-28","current":-161.305465,"twenty":-63.869494,"median":-43.005795,"eighty":29.977155,"marketCap":4791901450},{"date":"2022-02-04","current":-172.329043,"twenty":-63.960485,"median":-43.323426,"eighty":29.977155,"marketCap":5119378885},{"date":"2022-02-11","current":-174.720599,"twenty":-64.37947,"median":-43.522128,"eighty":29.94103,"marketCap":5190424837},{"date":"2022-02-18","current":-167.844876,"twenty":-64.559761,"median":-43.758358,"eighty":29.94103,"marketCap":4986167725},{"date":"2022-02-25","current":-173.599557,"twenty":-64.819924,"median":-43.894351,"eighty":29.94103,"marketCap":5157122047},{"date":"2022-03-04","current":-122.633802,"twenty":-65.286632,"median":-44.274665,"eighty":29.94103,"marketCap":3238881343},{"date":"2022-03-11","current":-119.71962,"twenty":-65.547558,"median":-44.610305,"eighty":29.94103,"marketCap":3161914895},{"date":"2022-03-18","current":-139.23623,"twenty":-65.772597,"median":-44.907602,"eighty":29.94103,"marketCap":3677368078},{"date":"2022-03-25","current":-133.632035,"twenty":-66.127504,"median":-45.226772,"eighty":29.94103,"marketCap":3529355678},{"date":"2022-04-01","current":-147.657809,"twenty":-66.549513,"median":-45.480669,"eighty":29.94103,"marketCap":3899790394},{"date":"2022-04-08","current":-130.708509,"twenty":-66.903702,"median":-45.770837,"eighty":29.94103,"marketCap":3452142419},{"date":"2022-04-14","current":-130.088764,"twenty":-67.064758,"median":-45.960099,"eighty":29.94103,"marketCap":3435774339},{"date":"2022-04-22","current":-120.489925,"twenty":-67.707813,"median":-46.148774,"eighty":29.94103,"marketCap":3182259414},{"date":"2022-04-29","current":-118.347668,"twenty":-68.716146,"median":-46.438394,"eighty":29.94103,"marketCap":3125680272},{"date":"2022-05-06","current":-111.008613,"twenty":-69.346436,"median":-46.539954,"eighty":29.94103,"marketCap":2931848491},{"date":"2022-05-13","current":-110.835591,"twenty":-69.833299,"median":-46.775316,"eighty":29.94103,"marketCap":2927278783},{"date":"2022-05-20","current":-110.23001,"twenty":-71.07578,"median":-46.938405,"eighty":29.94103,"marketCap":2911284805},{"date":"2022-05-27","current":-127.027651,"twenty":-74.30952,"median":-47.088987,"eighty":29.94103,"marketCap":3354927290},{"date":"2022-06-03","current":-119.641639,"twenty":-99.231521,"median":-47.435204,"eighty":29.94103,"marketCap":3160333891},{"date":"2022-06-10","current":-110.904031,"twenty":-104.221186,"median":-47.646029,"eighty":29.66106,"marketCap":2929529992},{"date":"2022-06-17","current":-97.252084,"twenty":-104.221186,"median":-47.856773,"eighty":29.66106,"marketCap":2568913808},{"date":"2022-06-24","current":-105.145969,"twenty":-104.876804,"median":-48.109682,"eighty":29.722021,"marketCap":2777430777},{"date":"2022-07-01","current":-91.335279,"twenty":-104.876804,"median":-48.330795,"eighty":29.722021,"marketCap":2412621382},{"date":"2022-07-08","current":-99.835275,"twenty":-104.876804,"median":-48.4616,"eighty":29.722021,"marketCap":2637148794},{"date":"2022-07-15","current":-98.478739,"twenty":-104.876804,"median":-48.733976,"eighty":29.722021,"marketCap":2601315896},{"date":"2022-07-22","current":-110.456663,"twenty":-107.016788,"median":-48.968087,"eighty":29.722021,"marketCap":2917712760},{"date":"2022-07-29","current":-124.902328,"twenty":-109.97158,"median":-49.228209,"eighty":29.722021,"marketCap":3299295001},{"date":"2022-08-05","current":-128.495705,"twenty":-110.862967,"median":-49.449314,"eighty":29.722021,"marketCap":3394214060},{"date":"2022-08-12","current":-132.40657,"twenty":-112.924537,"median":-49.644406,"eighty":29.722021,"marketCap":3497519542},{"date":"2022-08-19","current":-124.469391,"twenty":-114.540962,"median":-49.930541,"eighty":29.722021,"marketCap":3287858970},{"date":"2022-08-26","current":-121.684163,"twenty":-115.663069,"median":-50.177657,"eighty":23.619118,"marketCap":3214287169},{"date":"2022-09-02","current":-55.844455,"twenty":-115.816518,"median":-50.379971,"eighty":-29.924611,"marketCap":2396229737},{"date":"2022-09-09","current":-63.683246,"twenty":-115.816518,"median":-50.550672,"eighty":-32.415458,"marketCap":2732584423},{"date":"2022-09-16","current":-58.132338,"twenty":-115.816518,"median":-50.788945,"eighty":-33.980866,"marketCap":2494400486},{"date":"2022-09-23","current":-52.348649,"twenty":-115.816518,"median":-51.088086,"eighty":-34.678055,"marketCap":2246228191},{"date":"2022-09-30","current":-50.298394,"twenty":-115.816518,"median":-51.18563,"eighty":-35.463461,"marketCap":2158253801},{"date":"2022-10-07","current":-52.644101,"twenty":-115.816518,"median":-51.257773,"eighty":-35.678125,"marketCap":2258905723},{"date":"2022-10-14","current":-44.23716,"twenty":-115.816518,"median":-51.257773,"eighty":-35.977458,"marketCap":1898172309},{"date":"2022-10-21","current":-48.400342,"twenty":-115.816518,"median":-51.257773,"eighty":-36.161714,"marketCap":2076810261},{"date":"2022-10-28","current":-50.92511,"twenty":-115.816518,"median":-51.257773,"eighty":-36.248805,"marketCap":2185145536},{"date":"2022-11-04","current":-48.722652,"twenty":-115.816518,"median":-51.257773,"eighty":-36.532811,"marketCap":2090640296},{"date":"2022-11-11","current":-57.245983,"twenty":-115.816518,"median":-51.310092,"eighty":-36.659905,"marketCap":2456367890},{"date":"2022-11-18","current":-68.356753,"twenty":-115.816518,"median":-51.542872,"eighty":-36.754282,"marketCap":2933119931},{"date":"2022-11-25","current":-64.784475,"twenty":-115.816518,"median":-51.938738,"eighty":-36.92753,"marketCap":2779837043},{"date":"2022-12-02","current":-46.227943,"twenty":-115.816518,"median":-52.020593,"eighty":-37.07695,"marketCap":2934272434},{"date":"2022-12-09","current":-47.669095,"twenty":-115.816518,"median":-52.020593,"eighty":-37.246963,"marketCap":3025748138},{"date":"2022-12-16","current":-50.435087,"twenty":-115.816518,"median":-52.10637,"eighty":-37.456512,"marketCap":3201316718},{"date":"2022-12-23","current":-49.586361,"twenty":-115.816518,"median":-52.10637,"eighty":-37.594093,"marketCap":3147444681},{"date":"2022-12-30","current":-50.209167,"twenty":-115.816518,"median":-52.10637,"eighty":-37.773611,"marketCap":3186976680},{"date":"2023-01-06","current":-50.752596,"twenty":-115.816518,"median":-52.10637,"eighty":-37.895273,"marketCap":3221470286},{"date":"2023-01-13","current":-53.359834,"twenty":-115.816518,"median":-52.164639,"eighty":-37.96274,"marketCap":3386962082},{"date":"2023-01-20","current":-52.529425,"twenty":-115.816518,"median":-52.207517,"eighty":-38.023561,"marketCap":3334252751},{"date":"2023-01-27","current":-54.770306,"twenty":-115.816518,"median":-52.315028,"eighty":-38.116279,"marketCap":3476490431},{"date":"2023-02-03","current":-57.304273,"twenty":-115.816518,"median":-52.473992,"eighty":-38.249071,"marketCap":3637331404},{"date":"2023-02-10","current":-56.278474,"twenty":-115.816518,"median":-52.772039,"eighty":-38.4473,"marketCap":3572219878},{"date":"2023-02-17","current":-56.858539,"twenty":-115.816518,"median":-52.912983,"eighty":-38.557954,"marketCap":3609038896},{"date":"2023-02-24","current":-55.588503,"twenty":-115.816518,"median":-53.009717,"eighty":-38.637941,"marketCap":3528424625},{"date":"2023-03-03","current":-48.942496,"twenty":-115.816518,"median":-53.017901,"eighty":-38.692748,"marketCap":3200154012},{"date":"2023-03-10","current":-45.403841,"twenty":-115.816518,"median":-53.017901,"eighty":-38.891299,"marketCap":2968775552},{"date":"2023-03-17","current":-45.528316,"twenty":-115.816518,"median":-53.017901,"eighty":-39.066172,"marketCap":2976914493},{"date":"2023-03-24","current":-45.47497,"twenty":-115.816518,"median":-53.017901,"eighty":-39.210809,"marketCap":2973426375},{"date":"2023-03-31","current":-45.889887,"twenty":-115.813433,"median":-53.014306,"eighty":-39.406805,"marketCap":3000556178},{"date":"2023-04-06","current":-41.408777,"twenty":-115.816518,"median":-53.017901,"eighty":-39.587666,"marketCap":2707554309},{"date":"2023-04-14","current":-40.715272,"twenty":-115.819602,"median":-53.084869,"eighty":-39.815069,"marketCap":2662208782},{"date":"2023-04-21","current":-40.75231,"twenty":-115.819602,"median":-53.084869,"eighty":-40.010452,"marketCap":2664630551},{"date":"2023-04-28","current":-36.90227,"twenty":-115.819602,"median":-53.084869,"eighty":-40.13007,"marketCap":2412891836},{"date":"2023-05-05","current":-38.742541,"twenty":-115.819602,"median":-53.084869,"eighty":-40.13007,"marketCap":2533219776},{"date":"2023-05-12","current":-40.052036,"twenty":-115.819602,"median":-53.084869,"eighty":-40.201126,"marketCap":2618842448},{"date":"2023-05-19","current":-43.618272,"twenty":-115.819602,"median":-53.084869,"eighty":-40.300956,"marketCap":2852024338},{"date":"2023-05-26","current":-43.460849,"twenty":-115.819602,"median":-53.084869,"eighty":-40.395099,"marketCap":2841731079},{"date":"2023-06-02","current":-32.921923,"twenty":-115.819602,"median":-53.084869,"eighty":-40.416635,"marketCap":2978314699},{"date":"2023-06-09","current":-36.180901,"twenty":-115.819602,"median":-53.084869,"eighty":-40.416635,"marketCap":3273141418},{"date":"2023-06-16","current":-37.796237,"twenty":-115.819602,"median":-53.084869,"eighty":-40.416635,"marketCap":3419274410},{"date":"2023-06-23","current":-34.99457,"twenty":-115.822687,"median":-53.151838,"eighty":-40.423492,"marketCap":3165818813},{"date":"2023-06-30","current":-36.194034,"twenty":-115.825772,"median":-53.192968,"eighty":-40.43019,"marketCap":3274329491},{"date":"2023-07-07","current":-35.108388,"twenty":-115.825772,"median":-53.192968,"eighty":-40.43019,"marketCap":3176115447},{"date":"2023-07-14","current":-36.855052,"twenty":-115.825772,"median":-53.192968,"eighty":-40.43019,"marketCap":3334129171},{"date":"2023-07-21","current":-34.937662,"twenty":-115.825772,"median":-53.192968,"eighty":-40.43019,"marketCap":3160670496},{"date":"2023-07-28","current":-34.920151,"twenty":-115.825772,"median":-53.192968,"eighty":-40.43019,"marketCap":3159086399},{"date":"2023-08-04","current":-33.576227,"twenty":-115.825772,"median":-53.192968,"eighty":-40.43019,"marketCap":3037506917},{"date":"2023-08-11","current":-31.930247,"twenty":-115.825772,"median":-53.192968,"eighty":-40.43019,"marketCap":2888601754},{"date":"2023-08-18","current":-30.034745,"twenty":-115.825772,"median":-53.192968,"eighty":-40.43019,"marketCap":2717123202},{"date":"2023-08-25","current":-30.319289,"twenty":-115.825772,"median":-53.192968,"eighty":-40.43019,"marketCap":2742864786},{"date":"2023-09-01","current":-25.111632,"twenty":-115.564883,"median":-53.014306,"eighty":-40.413181,"marketCap":2461291459},{"date":"2023-09-08","current":-24.408587,"twenty":-114.776947,"median":-52.981341,"eighty":-40.309989,"marketCap":2392383219},{"date":"2023-09-15","current":-23.842148,"twenty":-113.194455,"median":-52.836433,"eighty":-40.233538,"marketCap":2336864336},{"date":"2023-09-22","current":-21.421316,"twenty":-110.924947,"median":-52.529425,"eighty":-40.045362,"marketCap":2099588862},{"date":"2023-09-29","current":-21.17313,"twenty":-110.01594,"median":-52.348649,"eighty":-39.927667,"marketCap":2075263141},{"date":"2023-10-06","current":-21.17313,"twenty":-108.455476,"median":-52.233092,"eighty":-39.780132,"marketCap":2075263141},{"date":"2023-10-13","current":-22.080433,"twenty":-104.221186,"median":-52.164639,"eighty":-39.593029,"marketCap":2164191596},{"date":"2023-10-20","current":-20.424503,"twenty":-101.476106,"median":-52.05054,"eighty":-39.38504,"marketCap":2001887196},{"date":"2023-10-27","current":-18.955729,"twenty":-100.17008,"median":-51.99036,"eighty":-39.240295,"marketCap":1857926782},{"date":"2023-11-03","current":-19.085925,"twenty":-98.868383,"median":-51.625248,"eighty":-39.114266,"marketCap":1870687816},{"date":"2023-11-10","current":-19.570091,"twenty":-97.460125,"median":-51.394675,"eighty":-38.977901,"marketCap":1918142911},{"date":"2023-11-17","current":-21.388767,"twenty":-93.932901,"median":-51.255146,"eighty":-38.831331,"marketCap":2096398603},{"date":"2023-11-24","current":-22.71107,"twenty":-92.651407,"median":-51.179768,"eighty":-38.683137,"marketCap":2226002854},{"date":"2023-12-01","current":-19.524254,"twenty":-78.241299,"median":-51.08883,"eighty":-38.641432,"marketCap":2341250942},{"date":"2023-12-08","current":-19.025423,"twenty":-77.4483,"median":-50.870373,"eighty":-38.565042,"marketCap":2281433595},{"date":"2023-12-15","current":-21.490924,"twenty":-77.4483,"median":-50.870373,"eighty":-38.477628,"marketCap":2577084114},{"date":"2023-12-22","current":-21.047881,"twenty":-77.4483,"median":-50.870373,"eighty":-38.270514,"marketCap":2523956657},{"date":"2023-12-29","current":-20.963971,"twenty":-78.241299,"median":-50.897741,"eighty":-38.216476,"marketCap":2513894639},{"date":"2024-01-05","current":-18.29229,"twenty":-79.034297,"median":-50.92511,"eighty":-38.131979,"marketCap":2193519978},{"date":"2024-01-12","current":-19.530796,"twenty":-79.034297,"median":-50.92511,"eighty":-38.032628,"marketCap":2342035367},{"date":"2024-01-19","current":-18.544019,"twenty":-81.494493,"median":-50.980586,"eighty":-38.014577,"marketCap":2223706033},{"date":"2024-01-26","current":-18.913221,"twenty":-79.034297,"median":-50.92511,"eighty":-37.923844,"marketCap":2267978913},{"date":"2024-02-02","current":-17.426343,"twenty":-79.034297,"median":-50.92511,"eighty":-37.828059,"marketCap":2089679950},{"date":"2024-02-09","current":-18.342636,"twenty":-79.034297,"median":-50.870373,"eighty":-37.620314,"marketCap":2199557189},{"date":"2024-02-16","current":-18.29229,"twenty":-79.034297,"median":-50.72228,"eighty":-37.521567,"marketCap":2193519978},{"date":"2024-02-23","current":-18.439971,"twenty":-79.034297,"median":-50.467543,"eighty":-37.478906,"marketCap":2211229130},{"date":"2024-03-01","current":-13.268178,"twenty":-78.241299,"median":-50.398102,"eighty":-37.29975,"marketCap":2247854877},{"date":"2024-03-08","current":-13.736187,"twenty":-78.241299,"median":-50.386158,"eighty":-37.157381,"marketCap":2327143580},{"date":"2024-03-15","current":-12.10647,"twenty":-78.241299,"median":-50.386158,"eighty":-37.042212,"marketCap":2051041800},{"date":"2024-03-22","current":-11.990061,"twenty":-78.241299,"median":-50.386158,"eighty":-36.846587,"marketCap":2031320244},{"date":"2024-03-28","current":-12.180116,"twenty":-78.241299,"median":-50.386158,"eighty":-36.768914,"marketCap":2063518702},{"date":"2024-04-05","current":-11.815947,"twenty":-79.034297,"median":-50.392345,"eighty":-36.683709,"marketCap":2001822274},{"date":"2024-04-12","current":-11.54515,"twenty":-79.034297,"median":-50.392345,"eighty":-36.566917,"marketCap":1955944620},{"date":"2024-04-19","current":-10.261281,"twenty":-79.034297,"median":-50.298394,"eighty":-36.474201,"marketCap":1738435386},{"date":"2024-04-26","current":-10.227431,"twenty":-78.241299,"median":-50.091533,"eighty":-36.27841,"marketCap":1732700679},{"date":"2024-05-03","current":-11.337216,"twenty":-78.241299,"median":-49.671258,"eighty":-36.183528,"marketCap":1920717135},{"date":"2024-05-10","current":-11.200758,"twenty":-78.241299,"median":-49.470101,"eighty":-36.137192,"marketCap":1897598786},{"date":"2024-05-17","current":-11.582987,"twenty":-78.241299,"median":-49.20928,"eighty":-35.987724,"marketCap":1962354857},{"date":"2024-05-24","current":-11.870868,"twenty":-78.241299,"median":-49.20928,"eighty":-35.879349,"marketCap":2011126834},{"date":"2024-05-31","current":-11.687011,"twenty":-78.241299,"median":-49.20928,"eighty":-35.71028,"marketCap":1979978345},{"date":"2024-06-07","current":-13.764774,"twenty":-78.241299,"median":-49.20928,"eighty":-35.629755,"marketCap":2359929255},{"date":"2024-06-14","current":-13.57353,"twenty":-79.034297,"median":-49.217337,"eighty":-35.563659,"marketCap":2327141075},{"date":"2024-06-21","current":-13.363162,"twenty":-81.494493,"median":-49.21921,"eighty":-35.342076,"marketCap":2291074077},{"date":"2024-06-28","current":-12.763135,"twenty":-88.875083,"median":-49.276568,"eighty":-35.247245,"marketCap":2188201162},{"date":"2024-07-05","current":-13.633294,"twenty":-88.875083,"median":-49.276568,"eighty":-35.108412,"marketCap":2337387381},{"date":"2024-07-12","current":-14.685135,"twenty":-88.875083,"median":-49.276568,"eighty":-34.741198,"marketCap":2517722371},{"date":"2024-07-15","current":-14.897894,"twenty":-88.875083,"median":-49.276568,"eighty":-34.695934,"marketCap":2554199222},{"date":"2024-08-02","current":-11.4316,"twenty":-92.813037,"median":-49.671258,"eighty":-34.554184,"marketCap":1959913459},{"date":"2024-08-09","current":-10.310433,"twenty":-92.813037,"median":-49.671258,"eighty":-33.800998,"marketCap":1767692754},{"date":"2024-08-16","current":-11.357493,"twenty":-92.813037,"median":-49.671258,"eighty":-33.411629,"marketCap":1947208039},{"date":"2024-08-23","current":-11.536784,"twenty":-92.813037,"median":-49.671258,"eighty":-32.500211,"marketCap":1977946958},{"date":"2024-08-30","current":-13.872513,"twenty":-92.813037,"median":-49.671258,"eighty":-31.709843,"marketCap":2429604138},{"date":"2024-09-06","current":-12.747305,"twenty":-92.813037,"median":-49.566557,"eighty":-31.040768,"marketCap":2232537434},{"date":"2024-09-13","current":-12.450362,"twenty":-92.813037,"median":-49.21921,"eighty":-30.461123,"marketCap":2180531570},{"date":"2024-09-20","current":-13.143228,"twenty":-92.813037,"median":-49.051367,"eighty":-29.961201,"marketCap":2301878586},{"date":"2024-09-27","current":-13.451953,"twenty":-92.813037,"median":-48.767417,"eighty":-25.808212,"marketCap":2355948174},{"date":"2024-10-04","current":-13.473163,"twenty":-92.813037,"median":-48.521959,"eighty":-24.365217,"marketCap":2359662879},{"date":"2024-10-11","current":-13.862016,"twenty":-92.813037,"median":-48.441632,"eighty":-23.374663,"marketCap":2427765795},{"date":"2024-10-18","current":-13.548577,"twenty":-92.813037,"median":-48.441632,"eighty":-22.694796,"marketCap":2372870717},{"date":"2024-10-25","current":-13.506157,"twenty":-92.813037,"median":-48.441632,"eighty":-22.326992,"marketCap":2365441308},{"date":"2024-10-31","current":-13.956284,"twenty":-92.813037,"median":-48.441632,"eighty":-21.953492,"marketCap":2444275593},{"date":"2024-11-08","current":-14.481824,"twenty":-92.844785,"median":-48.400342,"eighty":-21.63614,"marketCap":2536317717},{"date":"2024-11-15","current":-13.786602,"twenty":-92.844785,"median":-47.919208,"eighty":-21.426198,"marketCap":2414557957},{"date":"2024-11-22","current":-14.446474,"twenty":-92.844785,"median":-47.852226,"eighty":-21.261452,"marketCap":2530126543},{"date":"2024-11-29","current":-18.750532,"twenty":-92.844785,"median":-47.638469,"eighty":-21.163365,"marketCap":2953190117},{"date":"2024-12-06","current":-18.166134,"twenty":-92.844785,"median":-47.534764,"eighty":-20.975219,"marketCap":2861147993},{"date":"2024-12-13","current":-19.352477,"twenty":-92.844785,"median":-46.950891,"eighty":-20.637165,"marketCap":3047995744},{"date":"2024-12-20","current":-18.174224,"twenty":-92.844785,"median":-46.227943,"eighty":-20.41962,"marketCap":2862422053},{"date":"2024-12-27","current":-19.879381,"twenty":-92.844785,"median":-46.063588,"eighty":-20.232152,"marketCap":3130982631},{"date":"2025-01-03","current":-19.619901,"twenty":-92.844785,"median":-45.878033,"eighty":-19.960724,"marketCap":3090114717},{"date":"2025-01-10","current":-20.17593,"twenty":-92.876534,"median":-45.492075,"eighty":-19.801007,"marketCap":3177688818},{"date":"2025-01-17","current":-20.700187,"twenty":-92.876534,"median":-45.406804,"eighty":-19.689272,"marketCap":3260258685},{"date":"2025-01-24","current":-21.846667,"twenty":-92.876534,"median":-45.051161,"eighty":-19.689272,"marketCap":3440828142},{"date":"2025-01-31","current":-20.692243,"twenty":-92.876534,"median":-44.781428,"eighty":-19.60931,"marketCap":3259007626},{"date":"2025-02-07","current":-20.821984,"twenty":-92.876534,"median":-44.25838,"eighty":-19.60931,"marketCap":3279441583},{"date":"2025-02-14","current":-20.215647,"twenty":-92.876534,"median":-43.90311,"eighty":-19.606662,"marketCap":3183944111},{"date":"2025-02-21","current":-21.518344,"twenty":-92.876534,"median":-43.800473,"eighty":-19.606662,"marketCap":3389117720},{"date":"2025-02-28","current":-22.368434,"twenty":-92.876534,"median":-43.61605,"eighty":-19.577405,"marketCap":2619925197},{"date":"2025-03-07","current":-19.055449,"twenty":-92.908283,"median":-43.525583,"eighty":-19.566945,"marketCap":2231888524},{"date":"2025-03-14","current":-18.585472,"twenty":-92.908283,"median":-43.525583,"eighty":-19.468978,"marketCap":2176841946},{"date":"2025-03-21","current":-19.454218,"twenty":-92.908283,"median":-43.525583,"eighty":-19.457743,"marketCap":2278594711},{"date":"2025-03-28","current":-18.759933,"twenty":-92.908283,"median":-43.525583,"eighty":-19.426748,"marketCap":2197275903},{"date":"2025-04-04","current":-16.409596,"twenty":-92.908283,"median":-43.525583,"eighty":-19.354652,"marketCap":1921990298},{"date":"2025-04-11","current":-15.804517,"twenty":-92.876534,"median":-43.5124,"eighty":-19.215951,"marketCap":1851119824},{"date":"2025-04-17","current":-15.79727,"twenty":-92.876534,"median":-43.5124,"eighty":-19.134299,"marketCap":1850271076},{"date":"2025-04-25","current":-16.905978,"twenty":-92.908283,"median":-43.525583,"eighty":-19.055449,"marketCap":1980129550},{"date":"2025-05-02","current":-17.449462,"twenty":-92.908283,"median":-43.525583,"eighty":-18.987086,"marketCap":2043785665},{"date":"2025-05-09","current":-19.145132,"twenty":-92.908283,"median":-43.525583,"eighty":-18.933359,"marketCap":2242392744},{"date":"2025-05-16","current":-22.688648,"twenty":-92.908283,"median":-43.525583,"eighty":-18.933359,"marketCap":2657430614},{"date":"2025-05-23","current":-22.877056,"twenty":-92.908283,"median":-43.460849,"eighty":-18.933359,"marketCap":2679498067},{"date":"2025-05-30","current":-25.416041,"twenty":-92.908283,"median":-42.869598,"eighty":-18.933359,"marketCap":2631119420},{"date":"2025-06-06","current":-21.186148,"twenty":-92.908283,"median":-42.367135,"eighty":-18.933359,"marketCap":2193232438},{"date":"2025-06-13","current":-21.788423,"twenty":-92.908283,"median":-42.286991,"eighty":-18.933359,"marketCap":2255581146},{"date":"2025-06-20","current":-21.661413,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":2242432779},{"date":"2025-06-27","current":-28.392962,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":2939296229},{"date":"2025-07-03","current":-27.581735,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":2855316336},{"date":"2025-07-11","current":-27.639094,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":2861254309},{"date":"2025-07-18","current":-28.876421,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":2989344851},{"date":"2025-07-25","current":-27.755862,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":2873342323},{"date":"2025-08-01","current":-27.07779,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":2803147009},{"date":"2025-08-08","current":-25.764667,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":2667209860},{"date":"2025-08-15","current":-28.09797,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":2908758086},{"date":"2025-08-22","current":-27.049111,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":2800178023},{"date":"2025-08-29","current":-33.800909,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":2995706964},{"date":"2025-09-05","current":-39.106382,"twenty":-92.954463,"median":-42.286991,"eighty":-18.925304,"marketCap":3465920397},{"date":"2025-09-12","current":-40.045628,"twenty":-92.931373,"median":-42.271474,"eighty":-18.929331,"marketCap":3549163958},{"date":"2025-09-19","current":-39.804796,"twenty":-92.931373,"median":-42.271474,"eighty":-18.929331,"marketCap":3527819455},{"date":"2025-09-26","current":-40.170861,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":3560263100},{"date":"2025-10-03","current":-41.48099,"twenty":-92.931373,"median":-42.31083,"eighty":-18.929331,"marketCap":3676377196},{"date":"2025-10-10","current":-40.594727,"twenty":-92.931373,"median":-42.271474,"eighty":-18.929331,"marketCap":3597829425},{"date":"2025-10-17","current":-40.50321,"twenty":-92.931373,"median":-42.271474,"eighty":-18.929331,"marketCap":3589718514},{"date":"2025-10-24","current":-40.194945,"twenty":-92.931373,"median":-42.271474,"eighty":-18.929331,"marketCap":3562397550},{"date":"2025-10-31","current":-40.787393,"twenty":-92.931373,"median":-42.271474,"eighty":-18.929331,"marketCap":3614905028},{"date":"2025-11-07","current":-43.648483,"twenty":-92.931373,"median":-42.158592,"eighty":-18.929331,"marketCap":3868477723},{"date":"2025-11-14","current":-42.747769,"twenty":-92.931373,"median":-42.158592,"eighty":-18.929331,"marketCap":3788649282},{"date":"2025-11-21","current":-40.132328,"twenty":-92.931373,"median":-41.673656,"eighty":-18.929331,"marketCap":3556847979},{"date":"2025-11-28","current":-39.712822,"twenty":-92.931373,"median":-41.615856,"eighty":-18.929331,"marketCap":3163682234},{"date":"2025-12-05","current":-38.400878,"twenty":-92.931373,"median":-41.415983,"eighty":-18.929331,"marketCap":3059167535},{"date":"2025-12-12","current":-42.767316,"twenty":-92.931373,"median":-41.377166,"eighty":-18.929331,"marketCap":3407015462},{"date":"2025-12-19","current":-38.076637,"twenty":-92.931373,"median":-41.122579,"eighty":-18.929331,"marketCap":3033337243},{"date":"2025-12-26","current":-38.773754,"twenty":-92.931373,"median":-41.016183,"eighty":-18.929331,"marketCap":3088872370},{"date":"2026-01-02","current":-38.28199,"twenty":-92.931373,"median":-40.795788,"eighty":-18.929331,"marketCap":3049696428},{"date":"2026-01-09","current":-38.249566,"twenty":-92.931373,"median":-40.760218,"eighty":-18.929331,"marketCap":3047113399},{"date":"2026-01-16","current":-34.909889,"twenty":-92.931373,"median":-40.648945,"eighty":-18.929331,"marketCap":2781061395},{"date":"2026-01-23","current":-37.32548,"twenty":-92.931373,"median":-40.520069,"eighty":-18.929331,"marketCap":2973497068},{"date":"2026-01-30","current":-35.61241,"twenty":-92.931373,"median":-40.199761,"eighty":-18.929331,"marketCap":2837027027},{"date":"2026-02-06","current":-32.126825,"twenty":-92.931373,"median":-40.08657,"eighty":-18.929331,"marketCap":2559351392},{"date":"2026-02-13","current":-35.623218,"twenty":-92.931373,"median":-40.014636,"eighty":-18.929331,"marketCap":2837888037},{"date":"2026-02-20","current":-35.790742,"twenty":-92.931373,"median":-39.897517,"eighty":-18.929331,"marketCap":2851233687},{"date":"2026-02-27","current":-40.233038,"twenty":-92.931373,"median":-39.794272,"eighty":-18.929331,"marketCap":3052279457},{"date":"2026-03-06","current":-31.443056,"twenty":-92.931373,"median":-39.476981,"eighty":-18.929331,"marketCap":2385427429},{"date":"2026-03-13","current":-29.746345,"twenty":-92.931373,"median":-39.118174,"eighty":-18.929331,"marketCap":2256706476},{"date":"2026-03-20","current":-31.698414,"twenty":-92.931373,"median":-38.901065,"eighty":-18.929331,"marketCap":2404800147},{"date":"2026-03-27","current":-30.400847,"twenty":-92.931373,"median":-38.690658,"eighty":-18.929331,"marketCap":2306360256},{"date":"2026-04-02","current":-29.483107,"twenty":-92.931373,"median":-38.456995,"eighty":-18.929331,"marketCap":2236735939},{"date":"2026-04-10","current":-30.729848,"twenty":-92.931373,"median":-38.276178,"eighty":-18.929331,"marketCap":2331319917},{"date":"2026-04-17","current":-33.084803,"twenty":-92.931373,"median":-38.119419,"eighty":-18.929331,"marketCap":2509978544},{"date":"2026-04-24","current":-35.405125,"twenty":-92.931373,"median":-37.994094,"eighty":-18.929331,"marketCap":2686009837},{"date":"2026-05-01","current":-39.710998,"twenty":-92.931373,"median":-37.841563,"eighty":-18.929331,"marketCap":3012674875},{"date":"2026-05-08","current":-42.868253,"twenty":-92.931373,"median":-37.841563,"eighty":-18.929331,"marketCap":3252200043},{"date":"2026-05-15","current":-46.775862,"twenty":-92.931373,"median":-37.841563,"eighty":-18.929331,"marketCap":3548650754},{"date":"2026-05-22","current":-48.276568,"twenty":-92.931373,"median":-37.841563,"eighty":-18.929331,"marketCap":3662501839},{"date":"2026-05-29","current":-57.756293,"twenty":-92.954463,"median":-37.817245,"eighty":-18.925304,"marketCap":4021570647},{"date":"2026-06-05","current":-45.39283,"twenty":-92.931373,"median":-37.841563,"eighty":-18.929331,"marketCap":3160702729},{"date":"2026-06-12","current":-41.455214,"twenty":-92.931373,"median":-37.841563,"eighty":-18.929331,"marketCap":2886526573},{"date":"2026-06-18","current":-41.505616,"twenty":-92.931373,"median":-37.841563,"eighty":-18.929331,"marketCap":2890036027},{"date":"2026-06-26","current":-40.390483,"twenty":-92.954463,"median":-37.817245,"eighty":-18.925304,"marketCap":2812389340},{"date":"2026-07-02","current":-55.65583,"twenty":-92.954463,"median":-37.817245,"eighty":-18.925304,"marketCap":3875315462},{"date":"2026-07-10","current":-49.380846,"twenty":-92.954463,"median":-37.817245,"eighty":-18.925304,"marketCap":3438388340},{"date":"2026-07-17","current":-39.873868,"twenty":-92.954463,"median":-37.817245,"eighty":-18.925304,"marketCap":2776417428},{"date":"2026-07-24","current":-44.422601,"twenty":-92.954463,"median":-37.817245,"eighty":-18.925304,"marketCap":3093145724},{"date":"2026-07-31","current":-46.678067,"twenty":-92.977553,"median":-37.806741,"eighty":-18.921276,"marketCap":3250193826},{"date":"2026-08-07","current":-52.789246,"twenty":-92.977553,"median":-37.806741,"eighty":-18.921276,"marketCap":3675715221},{"date":"2026-08-14","current":-51.636313,"twenty":-92.977553,"median":-37.806741,"eighty":-18.921276,"marketCap":3595436442},{"date":"2026-08-21","current":-45.644837,"twenty":-92.977553,"median":-37.806741,"eighty":-18.921276,"marketCap":3178250003},{"date":"2026-08-24","current":-46.451261,"twenty":-92.977553,"median":-37.806741,"eighty":-18.921276,"marketCap":3234401280}],"updateTime":1787646707233},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"AMBA\",pageSize:20,pageCount:8,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"13570323","market":"us","labels":[],"media":"sec.gov","original_id":"AN128026321000119-AMBA","pdf_url":"","pub_time":1638806400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"4  - Statement of changes in beneficial ownership of securities","symbol":"AMBA","title":"4  - Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000119/0001280263-21-000119-index.htm","us_notice_code":"Form 4","us_title_en":"4  - Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"PRIMARY DOCUMENT","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000119/xslF345X03/edgardoc.xml","primary":true,"translateUrl":"","linkName":"edgardoc.html","type":"4","id":"NTFILE38oEcducvWCtY9aW","market":"us","size":0}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2021-12-07 00:00","pubTimestamp":1638806400,"title_zh":"4  - 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":"13570322","market":"us","labels":[],"media":"sec.gov","original_id":"AN128026321000120-AMBA","pdf_url":"","pub_time":1638806400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"4  - Statement of changes in beneficial ownership of securities","symbol":"AMBA","title":"4  - Statement of changes in beneficial ownership of securities","titleType":"Statement Of Changes In Beneficial Ownership","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000120/0001280263-21-000120-index.htm","us_notice_code":"Form 4","us_title_en":"4  - Statement of changes in beneficial ownership of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"PRIMARY DOCUMENT","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1103965/000128026321000120/xslF345X03/edgardoc.xml","primary":true,"translateUrl":"","linkName":"edgardoc.html","type":"4","id":"NTFILE2Agp7RqPu8ASpz85","market":"us","size":0}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Statement Of Changes In Beneficial Ownership","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Statement Of Changes In Beneficial Ownership","pubTime":"2021-12-07 00:00","pubTimestamp":1638806400,"title_zh":"4  - 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":"13759709","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521343733-AMBA","pdf_url":"","pub_time":1638201600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"AMBA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521343733/0001193125-21-343733-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521343733/d223017dex991.htm","primary":true,"translateUrl":"","linkName":"d223017dex991.htm","type":"EX-99.1","id":"NTFILEA6sTcMLyKLfjEGzH","market":"us","size":119712},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521343733/d223017d8k.htm","primary":false,"translateUrl":"","linkName":"d223017d8k.htm","type":"8-K","id":"NTFILE4A8kbi79rTKgGqRq","market":"us","size":24294}],"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":"2021-11-30 00:00","pubTimestamp":1638201600,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13969278","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335314-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8  - Securities to be offered to employees in employee benefit plans","symbol":"AMBA","title":"S-8  - Securities to be offered to employees in employee benefit plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335314/0001193125-21-335314-index.htm","us_notice_code":"Form S-8","us_title_en":"S-8  - 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/1280263/000119312521335314/d191443ds8.htm","primary":true,"translateUrl":"","linkName":"d191443ds8.htm","type":"S-8","id":"NTFILECfwCtNKeWMGwW7sx","market":"us","size":56407},{"description":"EX-4.1.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335314/d191443dex411.htm","primary":false,"translateUrl":"","linkName":"d191443dex411.htm","type":"EX-4.1.1","id":"NTFILE7imKHwwRHDWcobqc","market":"us","size":58713},{"description":"EX-4.1.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335314/d191443dex412.htm","primary":false,"translateUrl":"","linkName":"d191443dex412.htm","type":"EX-4.1.2","id":"NTFILE4z46y9o78uUfehm8","market":"us","size":27827},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335314/d191443dex51.htm","primary":false,"translateUrl":"","linkName":"d191443dex51.htm","type":"EX-5.1","id":"NTFILE4XoMSGXVUPQK3XP6","market":"us","size":33250},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335314/d191443dex231.htm","primary":false,"translateUrl":"","linkName":"d191443dex231.htm","type":"EX-23.1","id":"NTFILEAjtk2nEuFAdDwmv9","market":"us","size":1835}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8  - 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":"13969277","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335319-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8  - Securities to be offered to employees in employee benefit plans","symbol":"AMBA","title":"S-8  - Securities to be offered to employees in employee benefit plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335319/0001193125-21-335319-index.htm","us_notice_code":"Form S-8","us_title_en":"S-8  - 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/1280263/000119312521335319/d190533ds8.htm","primary":true,"translateUrl":"","linkName":"d190533ds8.htm","type":"S-8","id":"NTFILE91inhpspDugQwHW6","market":"us","size":57192},{"description":"EX-4.1.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335319/d190533dex412.htm","primary":false,"translateUrl":"","linkName":"d190533dex412.htm","type":"EX-4.1.2","id":"NTFILE2maFCHCx8jJYLibX","market":"us","size":138083},{"description":"EX-4.1.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335319/d190533dex413.htm","primary":false,"translateUrl":"","linkName":"d190533dex413.htm","type":"EX-4.1.3","id":"NTFILED7Zof5BbFfxRXzgt","market":"us","size":127930},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335319/d190533dex51.htm","primary":false,"translateUrl":"","linkName":"d190533dex51.htm","type":"EX-5.1","id":"NTFILEHVNF6GxviyB1nx7P","market":"us","size":33714},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335319/d190533dex231.htm","primary":false,"translateUrl":"","linkName":"d190533dex231.htm","type":"EX-23.1","id":"NTFILE7NfNijupJn3djc8j","market":"us","size":1538}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8  - 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":"13969276","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335325-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","symbol":"AMBA","title":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335325/0001193125-21-335325-index.htm","us_notice_code":"Form S-8 POS","us_title_en":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8 POS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335325/d194033ds8pos.htm","primary":true,"translateUrl":"","linkName":"d194033ds8pos.htm","type":"S-8 POS","id":"NTFILE7k8ve7ABd5ontaK3","market":"us","size":80700},{"description":"EX-4.2.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335325/d194033dex422.htm","primary":false,"translateUrl":"","linkName":"d194033dex422.htm","type":"EX-4.2.2","id":"NTFILEC9WZ2Tazatz1runj","market":"us","size":138083},{"description":"EX-4.2.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335325/d194033dex423.htm","primary":false,"translateUrl":"","linkName":"d194033dex423.htm","type":"EX-4.2.3","id":"NTFILEqfaHVSoqoWU5ofDW","market":"us","size":127930},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335325/d194033dex51.htm","primary":false,"translateUrl":"","linkName":"d194033dex51.htm","type":"EX-5.1","id":"NTFILE7YZeYeBNxf3agJpU","market":"us","size":34561},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335325/d194033dex231.htm","primary":false,"translateUrl":"","linkName":"d194033dex231.htm","type":"EX-23.1","id":"NTFILEGCPfUho1rRPiM39S","market":"us","size":1538}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13759718","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335330-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","symbol":"AMBA","title":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335330/0001193125-21-335330-index.htm","us_notice_code":"Form S-8 POS","us_title_en":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8 POS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335330/d194033ds8pos.htm","primary":true,"translateUrl":"","linkName":"d194033ds8pos.htm","type":"S-8 POS","id":"NTFILE29e2LdXzsAhrxHEz","market":"us","size":80700},{"description":"EX-4.2.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335330/d194033dex422.htm","primary":false,"translateUrl":"","linkName":"d194033dex422.htm","type":"EX-4.2.2","id":"NTFILE5znEVbXAk18VmkVp","market":"us","size":138083},{"description":"EX-4.2.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335330/d194033dex423.htm","primary":false,"translateUrl":"","linkName":"d194033dex423.htm","type":"EX-4.2.3","id":"NTFILE91j2qEbmexVwsZst","market":"us","size":127930},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335330/d194033dex51.htm","primary":false,"translateUrl":"","linkName":"d194033dex51.htm","type":"EX-5.1","id":"NTFILEDYqcD6NhreHVhLnh","market":"us","size":34561},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335330/d194033dex231.htm","primary":false,"translateUrl":"","linkName":"d194033dex231.htm","type":"EX-23.1","id":"NTFILEA8CuV9dyZXb1v8Qm","market":"us","size":1538}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13759717","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335333-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","symbol":"AMBA","title":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335333/0001193125-21-335333-index.htm","us_notice_code":"Form S-8 POS","us_title_en":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8 POS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335333/d194033ds8pos.htm","primary":true,"translateUrl":"","linkName":"d194033ds8pos.htm","type":"S-8 POS","id":"NTFILE67uCdkZEtbdjMdqH","market":"us","size":80700},{"description":"EX-4.2.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335333/d194033dex422.htm","primary":false,"translateUrl":"","linkName":"d194033dex422.htm","type":"EX-4.2.2","id":"NTFILEFH628y8rze89poYx","market":"us","size":138083},{"description":"EX-4.2.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335333/d194033dex423.htm","primary":false,"translateUrl":"","linkName":"d194033dex423.htm","type":"EX-4.2.3","id":"NTFILEHMTBHKoXQTpdBMma","market":"us","size":127930},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335333/d194033dex51.htm","primary":false,"translateUrl":"","linkName":"d194033dex51.htm","type":"EX-5.1","id":"NTFILEHKwa6K9mzRMreDH2","market":"us","size":34561},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335333/d194033dex231.htm","primary":false,"translateUrl":"","linkName":"d194033dex231.htm","type":"EX-23.1","id":"NTFILE8aHdoeDFq7WGQLT3","market":"us","size":1538}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13759716","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335336-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","symbol":"AMBA","title":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335336/0001193125-21-335336-index.htm","us_notice_code":"Form S-8 POS","us_title_en":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8 POS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335336/d194033ds8pos.htm","primary":true,"translateUrl":"","linkName":"d194033ds8pos.htm","type":"S-8 POS","id":"NTFILE4Gr5GyonrZCKQexr","market":"us","size":80700},{"description":"EX-4.2.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335336/d194033dex422.htm","primary":false,"translateUrl":"","linkName":"d194033dex422.htm","type":"EX-4.2.2","id":"NTFILEDzQVw1bYEXMe8Kxp","market":"us","size":138083},{"description":"EX-4.2.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335336/d194033dex423.htm","primary":false,"translateUrl":"","linkName":"d194033dex423.htm","type":"EX-4.2.3","id":"NTFILE2Vb67yo9xXzPhmoX","market":"us","size":127930},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335336/d194033dex51.htm","primary":false,"translateUrl":"","linkName":"d194033dex51.htm","type":"EX-5.1","id":"NTFILEGbDFeyj9eDoQQ2We","market":"us","size":34561},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335336/d194033dex231.htm","primary":false,"translateUrl":"","linkName":"d194033dex231.htm","type":"EX-23.1","id":"NTFILE599rVoqqvLAY5Yua","market":"us","size":1538}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13759715","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335339-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","symbol":"AMBA","title":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335339/0001193125-21-335339-index.htm","us_notice_code":"Form S-8 POS","us_title_en":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8 POS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335339/d194033ds8pos.htm","primary":true,"translateUrl":"","linkName":"d194033ds8pos.htm","type":"S-8 POS","id":"NTFILE688LbLpnT6i4u2xr","market":"us","size":80700},{"description":"EX-4.2.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335339/d194033dex422.htm","primary":false,"translateUrl":"","linkName":"d194033dex422.htm","type":"EX-4.2.2","id":"NTFILEBmz5gRKch9REfEmD","market":"us","size":138083},{"description":"EX-4.2.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335339/d194033dex423.htm","primary":false,"translateUrl":"","linkName":"d194033dex423.htm","type":"EX-4.2.3","id":"NTFILE2DzRcRHikqFJ9ma6","market":"us","size":127930},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335339/d194033dex51.htm","primary":false,"translateUrl":"","linkName":"d194033dex51.htm","type":"EX-5.1","id":"NTFILE8MY4PRUcEhddE1qW","market":"us","size":34561},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335339/d194033dex231.htm","primary":false,"translateUrl":"","linkName":"d194033dex231.htm","type":"EX-23.1","id":"NTFILE2NSZW1SvkCKdCE9d","market":"us","size":1538}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13759714","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335342-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","symbol":"AMBA","title":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335342/0001193125-21-335342-index.htm","us_notice_code":"Form S-8 POS","us_title_en":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8 POS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335342/d194033ds8pos.htm","primary":true,"translateUrl":"","linkName":"d194033ds8pos.htm","type":"S-8 POS","id":"NTFILEAyNUkySHw8TC1snP","market":"us","size":80700},{"description":"EX-4.2.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335342/d194033dex422.htm","primary":false,"translateUrl":"","linkName":"d194033dex422.htm","type":"EX-4.2.2","id":"NTFILEAgQK2rHb4su72dEh","market":"us","size":138083},{"description":"EX-4.2.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335342/d194033dex423.htm","primary":false,"translateUrl":"","linkName":"d194033dex423.htm","type":"EX-4.2.3","id":"NTFILEGVZyzqFkSaHvHMxx","market":"us","size":127930},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335342/d194033dex51.htm","primary":false,"translateUrl":"","linkName":"d194033dex51.htm","type":"EX-5.1","id":"NTFILE9HnA8MASAucG6GDB","market":"us","size":34561},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335342/d194033dex231.htm","primary":false,"translateUrl":"","linkName":"d194033dex231.htm","type":"EX-23.1","id":"NTFILE3pWSbA6RYd3F5Jgz","market":"us","size":1538}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13759713","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335346-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","symbol":"AMBA","title":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335346/0001193125-21-335346-index.htm","us_notice_code":"Form S-8 POS","us_title_en":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8 POS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335346/d194033ds8pos.htm","primary":true,"translateUrl":"","linkName":"d194033ds8pos.htm","type":"S-8 POS","id":"NTFILE8hJuQPc8bBxsTHNd","market":"us","size":80700},{"description":"EX-4.2.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335346/d194033dex422.htm","primary":false,"translateUrl":"","linkName":"d194033dex422.htm","type":"EX-4.2.2","id":"NTFILE22LKYf5mgZ7f9BcX","market":"us","size":138083},{"description":"EX-4.2.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335346/d194033dex423.htm","primary":false,"translateUrl":"","linkName":"d194033dex423.htm","type":"EX-4.2.3","id":"NTFILE9f2GpWbBCqvkhS4t","market":"us","size":127930},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335346/d194033dex51.htm","primary":false,"translateUrl":"","linkName":"d194033dex51.htm","type":"EX-5.1","id":"NTFILEGrqoSrf8rm1yDJ5L","market":"us","size":34561},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335346/d194033dex231.htm","primary":false,"translateUrl":"","linkName":"d194033dex231.htm","type":"EX-23.1","id":"NTFILEF9HZDghfKE2RNPSm","market":"us","size":1538}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13759712","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335350-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","symbol":"AMBA","title":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335350/0001193125-21-335350-index.htm","us_notice_code":"Form S-8 POS","us_title_en":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8 POS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335350/d194033ds8pos.htm","primary":true,"translateUrl":"","linkName":"d194033ds8pos.htm","type":"S-8 POS","id":"NTFILE73xVrYAb62yRnA7x","market":"us","size":80700},{"description":"EX-4.2.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335350/d194033dex422.htm","primary":false,"translateUrl":"","linkName":"d194033dex422.htm","type":"EX-4.2.2","id":"NTFILEeyHDtxEduD3pq9eL","market":"us","size":138083},{"description":"EX-4.2.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335350/d194033dex423.htm","primary":false,"translateUrl":"","linkName":"d194033dex423.htm","type":"EX-4.2.3","id":"NTFILE94o3LE5w7y8Hcxup","market":"us","size":127930},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335350/d194033dex51.htm","primary":false,"translateUrl":"","linkName":"d194033dex51.htm","type":"EX-5.1","id":"NTFILE4HZ6nVE3TddmwNAf","market":"us","size":34561},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335350/d194033dex231.htm","primary":false,"translateUrl":"","linkName":"d194033dex231.htm","type":"EX-23.1","id":"NTFILE7p4DiGK4Xe92Q3e6","market":"us","size":1538}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13759711","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335355-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","symbol":"AMBA","title":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335355/0001193125-21-335355-index.htm","us_notice_code":"Form S-8 POS","us_title_en":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8 POS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335355/d194033ds8pos.htm","primary":true,"translateUrl":"","linkName":"d194033ds8pos.htm","type":"S-8 POS","id":"NTFILEAWBhJUwomsL3gBD4","market":"us","size":80700},{"description":"EX-4.2.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335355/d194033dex422.htm","primary":false,"translateUrl":"","linkName":"d194033dex422.htm","type":"EX-4.2.2","id":"NTFILEJ6SXew2iYDaEtead","market":"us","size":138083},{"description":"EX-4.2.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335355/d194033dex423.htm","primary":false,"translateUrl":"","linkName":"d194033dex423.htm","type":"EX-4.2.3","id":"NTFILE3TJqRjzZykz4vefE","market":"us","size":127930},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335355/d194033dex51.htm","primary":false,"translateUrl":"","linkName":"d194033dex51.htm","type":"EX-5.1","id":"NTFILE6XSPFhd5xnsRvU9g","market":"us","size":34561},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335355/d194033dex231.htm","primary":false,"translateUrl":"","linkName":"d194033dex231.htm","type":"EX-23.1","id":"NTFILECx8NgzRFZr55RCfq","market":"us","size":1538}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13759710","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521335360-AMBA","pdf_url":"","pub_time":1637251200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","symbol":"AMBA","title":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335360/0001193125-21-335360-index.htm","us_notice_code":"Form S-8 POS","us_title_en":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8 POS","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335360/d194033ds8pos.htm","primary":true,"translateUrl":"","linkName":"d194033ds8pos.htm","type":"S-8 POS","id":"NTFILE23MRCvYJ3wB4gUu8","market":"us","size":80700},{"description":"EX-4.2.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335360/d194033dex422.htm","primary":false,"translateUrl":"","linkName":"d194033dex422.htm","type":"EX-4.2.2","id":"NTFILEAjjBWsfyuW2cxkCK","market":"us","size":138083},{"description":"EX-4.2.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335360/d194033dex423.htm","primary":false,"translateUrl":"","linkName":"d194033dex423.htm","type":"EX-4.2.3","id":"NTFILE3Zy95o6AyqY1eR5T","market":"us","size":127930},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335360/d194033dex51.htm","primary":false,"translateUrl":"","linkName":"d194033dex51.htm","type":"EX-5.1","id":"NTFILEHBnxuhBbjE9Lyezv","market":"us","size":34561},{"description":"EX-23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521335360/d194033dex231.htm","primary":false,"translateUrl":"","linkName":"d194033dex231.htm","type":"EX-23.1","id":"NTFILEFuGtwVUYHne4389u","market":"us","size":1538}],"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":"2021-11-19 00:00","pubTimestamp":1637251200,"title_zh":"S-8 POS  - Securities to be offered to employees in employee benefit plans, post-effective amendments","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13969279","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521323664-AMBA","pdf_url":"","pub_time":1636387200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"AMBA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521323664/0001193125-21-323664-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521323664/d257630d8k.htm","primary":true,"translateUrl":"","linkName":"d257630d8k.htm","type":"8-K","id":"NTFILEHNYXnfykCiqH6j4f","market":"us","size":23455}],"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":"2021-11-09 00:00","pubTimestamp":1636387200,"title_zh":"8-K  - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13969280","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521322486-AMBA","pdf_url":"","pub_time":1636300800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"AMBA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521322486/0001193125-21-322486-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.01: Completion of Acquisition or Disposition of Assets;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521322486/d255618dex991.htm","primary":true,"translateUrl":"","linkName":"d255618dex991.htm","type":"EX-99.1","id":"NTFILEBMHuAqEKsanJDN5H","market":"us","size":8878},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521322486/d255618d8k.htm","primary":false,"translateUrl":"","linkName":"d255618d8k.htm","type":"8-K","id":"NTFILE7ecGM6Eay3raM2Wb","market":"us","size":26577},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521322486/g255618g1106050723810.jpg","primary":false,"translateUrl":"","linkName":"g255618g1106050723810.jpg","type":"GRAPHIC","id":"NTFILECoKxtNvByXTPcwkw","market":"us","size":2804}],"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":"2021-11-08 00:00","pubTimestamp":1636300800,"title_zh":"8-K  - Current report","summary_en":"Item 2.01: Completion of Acquisition or Disposition of Assets;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13969282","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521308048-AMBA","pdf_url":"","pub_time":1635177600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"AMBA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521308048/0001193125-21-308048-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-2.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521308048/d247928dex21.htm","primary":true,"translateUrl":"","linkName":"d247928dex21.htm","type":"EX-2.1","id":"NTFILEGBtGtuXxG8TetPaM","market":"us","size":630328},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521308048/d247928d8k.htm","primary":false,"translateUrl":"","linkName":"d247928d8k.htm","type":"8-K","id":"NTFILEAvbtZsQFF8kTn3Pf","market":"us","size":27903},{"description":"EX-99.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521308048/d247928dex991.htm","primary":false,"translateUrl":"","linkName":"d247928dex991.htm","type":"EX-99.1","id":"NTFILE7FNpwEyDgMj3SNMo","market":"us","size":12570},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521308048/g247928g1026145243450.jpg","primary":false,"translateUrl":"","linkName":"g247928g1026145243450.jpg","type":"GRAPHIC","id":"NTFILE24618gvkHRDjPaH7","market":"us","size":2804},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521308048/g247928g1026145243700.jpg","primary":false,"translateUrl":"","linkName":"g247928g1026145243700.jpg","type":"GRAPHIC","id":"NTFILEFr67S1EoAp5yBDSS","market":"us","size":1783}],"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":"2021-10-26 00:00","pubTimestamp":1635177600,"title_zh":"8-K  - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13969303","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021047305-AMBA","pdf_url":"","pub_time":1631030400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"AMBA","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1280263/000156459021047305/0001564590-21-047305-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000156459021047305/amba-10q_20210731.htm","primary":true,"translateUrl":"","linkName":"amba-10q_20210731.htm","type":"10-Q","id":"NTFILEH91hvfmqAdHc7JHB","market":"us","size":3167210},{"description":"EX-10.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000156459021047305/amba-ex102_136.htm","primary":false,"translateUrl":"","linkName":"amba-ex102_136.htm","type":"EX-10.2","id":"NTFILE86ZbHP3xjwCM6sKc","market":"us","size":28160},{"description":"EX-31.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000156459021047305/amba-ex311_8.htm","primary":false,"translateUrl":"","linkName":"amba-ex311_8.htm","type":"EX-31.1","id":"NTFILE7RGgDVmcq8CTJRUu","market":"us","size":8648},{"description":"EX-31.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000156459021047305/amba-ex312_6.htm","primary":false,"translateUrl":"","linkName":"amba-ex312_6.htm","type":"EX-31.2","id":"NTFILE2pj7MEJ5bYqkfRDi","market":"us","size":8583},{"description":"EX-32.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000156459021047305/amba-ex321_7.htm","primary":false,"translateUrl":"","linkName":"amba-ex321_7.htm","type":"EX-32.1","id":"NTFILE8XiC1e8NxLqwrpBJ","market":"us","size":10296}],"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":"2021-09-08 00:00","pubTimestamp":1631030400,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13969302","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521267917-AMBA","pdf_url":"","pub_time":1631030400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"AMBA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521267917/0001193125-21-267917-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1280263/000119312521267917/d230190d8k.htm","primary":true,"translateUrl":"","linkName":"d230190d8k.htm","type":"8-K","id":"NTFILE8KxzkdLS3h19ZJnJ","market":"us","size":24440}],"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":"2021-09-08 00:00","pubTimestamp":1631030400,"title_zh":"8-K  - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":11,"pageCount":8,"totalSize":219,"code":"91000000","status":"200"}]}}