Verastem

8.02

+0.41005.39%

Post-market: 8.02-0.0031-0.04%19:58 EDT

Volume:5.26M

Turnover:41.95M

Market Cap:726.32M

PE:-3.32

High:8.10

Open:7.70

Low:7.68

Close:7.61

52wk High:11.25

52wk Low:3.43

Shares:90.56M

Float Shares:70.57M

Volume Ratio:3.52

T/O Rate:7.45%

Dividend:- -

Dividend Rate:- -

EPS(TTM):-2.4143

EPS(LYR):-3.0223

ROE:-471.16%

ROA:-49.59%

PB:14.53

PE(LYR):-2.65

Loading ...

Overview Company News Filings

Feb 16, 2021

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://au1.tigermoments.com/stock/VSTM/filings?page=9"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"VSTM","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"VSTM\",,,,,undefined,":{"symbol":"VSTM","market":"US","secType":"STK","nameCN":"Verastem","latestPrice":8.02,"timestamp":1788379200000,"preClose":7.61,"halted":0,"volume":5260669,"hourTrading":{"tag":"盘后","latestPrice":8.0169,"preClose":8.02,"latestTime":"19:58 EDT","volume":50663,"amount":405737.8122,"timestamp":1788393517223,"change":-0.0031,"changeRate":-0.000387,"amplitude":0.046135},"delay":0,"changeRate":0.053876478318002526,"floatShares":70572700,"shares":90563441,"eps":-2.414264,"marketStatus":"Closed","change":0.41,"latestTime":"09-02 16:00:00 EDT","open":7.7,"high":8.095,"low":7.68,"amount":41949292.1612516,"amplitude":0.054534,"askPrice":0,"askSize":0,"bidPrice":0,"bidSize":0,"shortable":3,"etf":0,"ttmEps":-2.414264,"tradingStatus":0,"nextMarketStatus":{"tag":"Pre-Mkt","tradingStatus":1,"beginTime":1788422400000},"marketStatusCode":5,"adr":0,"adrRate":0,"listingDate":1327640400000,"exchange":"NASDAQ","adjPreClose":7.61,"preHourTrading":{"tag":"盘前","latestPrice":7.626,"preClose":7.61,"latestTime":"09:26 EDT","volume":1412,"amount":10754.382216,"timestamp":1788355593457,"change":0.016,"changeRate":0.002102,"amplitude":0.038108},"postHourTrading":{"tag":"盘后","latestPrice":8.0169,"preClose":8.02,"latestTime":"19:58 EDT","volume":50663,"amount":405737.8122,"timestamp":1788393517223,"change":-0.0031,"changeRate":-0.000387,"amplitude":0.046135},"volumeRatio":3.520818,"impliedVol":1.0222,"impliedVolPercentile":0.3333},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"VSTM\",,,,,undefined,":{"symbol":"VSTM","floatShares":70572700,"roa":"-49.59%","roe":"-471.16%","lyrEps":-3.022277,"volumeRatio":3.520818,"shares":90563441,"dividePrice":0,"high":8.095,"amplitude":0.054534,"preClose":7.61,"low":7.68,"week52Low":3.43,"pbRate":"14.53","psRate":"8.30","week52High":11.245,"institutionHeld":0,"latestPrice":8.02,"eps":-2.414264,"divideRate":0,"volume":5260669,"delay":0,"ttmEps":-2.414264,"open":7.7,"prevYearClose":7.72,"prevWeekClose":7.22,"prevMonthClose":7.22,"prevQuarterClose":3.82,"fiveDayClose":7.39,"twentyDayClose":5.87,"sixtyDayClose":3.67},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/VSTM\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-08-06","symbol":"VSTM","fiscalQuarterEnding":"2026/06","expectedEps":-0.46,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1785988800000,"reportTimeType":"post","actualEps":-0.35},{"market":"US","date":"2026-05-07","symbol":"VSTM","fiscalQuarterEnding":"2026/03","expectedEps":-0.46,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1778126400000,"reportTimeType":"post","actualEps":-0.46},{"market":"US","date":"2026-03-04","symbol":"VSTM","fiscalQuarterEnding":"2025/12","expectedEps":-0.49,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1772600400000,"reportTimeType":"post","actualEps":-1.33},{"date":"2026-02-04","symbol":"VSTM","type":"earning","reportTimeType":"pre","market":"US","fiscalQuarterEnding":null,"expectedEps":null,"defaultRemindTime":1770195600000,"name":null,"time":"Pre-MKt","dateTimestamp":1770181200000,"actualEps":null},{"market":"US","date":"2025-11-04","symbol":"VSTM","fiscalQuarterEnding":"2025/09","expectedEps":-0.51,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1762232400000,"reportTimeType":"pre","actualEps":-1.35}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"VSTM\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"VSTM\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.3333,"buy":0.6667,"hold":0,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.6667,"analysts":9,"updateTime":1744257600000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/VSTM\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"VSTM","date":"2026-09-01","current":-3.295,"percent":0.264635,"low":-15.009029,"twenty":-3.376659,"median":-2.668898,"eighty":-1.592663,"high":-0.626442,"avg":-2.949985,"sd":2.250591,"marketCap":653868044},"quantilePoints":[{"date":"2021-09-03","current":-12.811445,"twenty":-4.72058,"median":-2.595535,"eighty":-1.040218,"marketCap":495277657},{"date":"2021-09-10","current":-12.343874,"twenty":-4.743193,"median":-2.608503,"eighty":-1.040289,"marketCap":477201830},{"date":"2021-09-17","current":-12.904959,"twenty":-4.764925,"median":-2.623444,"eighty":-1.061683,"marketCap":498892822},{"date":"2021-09-24","current":-14.822,"twenty":-4.789056,"median":-2.63617,"eighty":-1.08853,"marketCap":573003712},{"date":"2021-10-01","current":-14.447944,"twenty":-4.801091,"median":-2.646443,"eighty":-1.092803,"marketCap":558543051},{"date":"2021-10-08","current":-13.185502,"twenty":-4.85088,"median":-2.654818,"eighty":-1.102269,"marketCap":509738318},{"date":"2021-10-15","current":-12.904959,"twenty":-4.933331,"median":-2.670356,"eighty":-1.122775,"marketCap":498892822},{"date":"2021-10-22","current":-11.92306,"twenty":-5.073302,"median":-2.69105,"eighty":-1.139286,"marketCap":460933585},{"date":"2021-10-29","current":-12.156846,"twenty":-5.237351,"median":-2.70756,"eighty":-1.147748,"marketCap":469971499},{"date":"2021-11-05","current":-6.717502,"twenty":-5.425083,"median":-2.721207,"eighty":-1.158294,"marketCap":501011475},{"date":"2021-11-12","current":-7.670166,"twenty":-5.534994,"median":-2.753096,"eighty":-1.166063,"marketCap":572064011},{"date":"2021-11-19","current":-7.230475,"twenty":-5.76395,"median":-2.774184,"eighty":-1.175917,"marketCap":539270533},{"date":"2021-11-26","current":-6.546511,"twenty":-6.007261,"median":-2.80227,"eighty":-1.180565,"marketCap":488258455},{"date":"2021-12-03","current":-5.911402,"twenty":-6.169482,"median":-2.816875,"eighty":-1.197066,"marketCap":440890098},{"date":"2021-12-10","current":-5.715984,"twenty":-6.181937,"median":-2.846716,"eighty":-1.211672,"marketCap":426315218},{"date":"2021-12-17","current":-5.715984,"twenty":-6.181937,"median":-2.872655,"eighty":-1.228905,"marketCap":426315218},{"date":"2021-12-23","current":-5.642702,"twenty":-6.181937,"median":-2.88091,"eighty":-1.238355,"marketCap":420849639},{"date":"2021-12-31","current":-5.007593,"twenty":-6.181937,"median":-2.900251,"eighty":-1.251534,"marketCap":373481281},{"date":"2022-01-07","current":-4.616756,"twenty":-6.18102,"median":-2.902534,"eighty":-1.262252,"marketCap":344331522},{"date":"2022-01-14","current":-4.396911,"twenty":-6.18102,"median":-2.923706,"eighty":-1.271111,"marketCap":327934783},{"date":"2022-01-21","current":-3.615238,"twenty":-6.18102,"median":-2.944398,"eighty":-1.271377,"marketCap":269635266},{"date":"2022-01-28","current":-3.517528,"twenty":-6.18102,"median":-2.97501,"eighty":-1.283173,"marketCap":262347827},{"date":"2022-02-04","current":-3.297683,"twenty":-6.18102,"median":-2.992601,"eighty":-1.312656,"marketCap":245951087},{"date":"2022-02-11","current":-3.32211,"twenty":-6.18102,"median":-3.018154,"eighty":-1.329678,"marketCap":247772947},{"date":"2022-02-18","current":-3.05341,"twenty":-6.18102,"median":-3.051382,"eighty":-1.435165,"marketCap":227732488},{"date":"2022-02-25","current":-3.004556,"twenty":-6.18102,"median":-3.052396,"eighty":-1.45743,"marketCap":224088768},{"date":"2022-03-04","current":-2.687001,"twenty":-6.18102,"median":-3.052396,"eighty":-1.493028,"marketCap":200404590},{"date":"2022-03-11","current":-3.444247,"twenty":-6.18102,"median":-3.056451,"eighty":-1.504003,"marketCap":256882247},{"date":"2022-03-18","current":-3.248828,"twenty":-6.18102,"median":-3.065323,"eighty":-1.524254,"marketCap":242307368},{"date":"2022-03-25","current":-2.906846,"twenty":-6.18102,"median":-3.069988,"eighty":-1.539561,"marketCap":216801329},{"date":"2022-04-01","current":-3.742294,"twenty":-6.18102,"median":-3.100081,"eighty":-1.556695,"marketCap":266451345},{"date":"2022-04-08","current":-4.082503,"twenty":-6.18102,"median":-3.112112,"eighty":-1.568059,"marketCap":290674194},{"date":"2022-04-14","current":-4.63207,"twenty":-6.18102,"median":-3.118066,"eighty":-1.579011,"marketCap":329803413},{"date":"2022-04-22","current":-4.082503,"twenty":-6.18102,"median":-3.134663,"eighty":-1.581896,"marketCap":290674194},{"date":"2022-04-29","current":-3.716124,"twenty":-6.18102,"median":-3.14738,"eighty":-1.592061,"marketCap":264588049},{"date":"2022-05-06","current":-3.297406,"twenty":-6.18102,"median":-3.16723,"eighty":-1.595539,"marketCap":234775311},{"date":"2022-05-13","current":-2.752186,"twenty":-6.18102,"median":-3.16723,"eighty":-1.603428,"marketCap":201270102},{"date":"2022-05-20","current":-3.1854,"twenty":-6.18102,"median":-3.171845,"eighty":-1.603428,"marketCap":232951507},{"date":"2022-05-27","current":-3.236367,"twenty":-6.18102,"median":-3.173934,"eighty":-1.603428,"marketCap":236678731},{"date":"2022-06-03","current":-3.389266,"twenty":-6.18102,"median":-3.182631,"eighty":-1.60511,"marketCap":247860403},{"date":"2022-06-10","current":-2.994276,"twenty":-6.18102,"median":-3.1854,"eighty":-1.617204,"marketCap":218974417},{"date":"2022-06-17","current":-2.803152,"twenty":-6.18102,"median":-3.1854,"eighty":-1.620653,"marketCap":204997326},{"date":"2022-06-24","current":-3.210883,"twenty":-6.181937,"median":-3.1854,"eighty":-1.63121,"marketCap":234815119},{"date":"2022-07-01","current":-2.879602,"twenty":-6.181937,"median":-3.1854,"eighty":-1.640629,"marketCap":210588162},{"date":"2022-07-08","current":-3.032501,"twenty":-6.181937,"median":-3.1854,"eighty":-1.644259,"marketCap":221769835},{"date":"2022-07-15","current":-2.828635,"twenty":-6.181937,"median":-3.1854,"eighty":-1.644259,"marketCap":206860938},{"date":"2022-07-22","current":-2.981535,"twenty":-6.181937,"median":-3.1854,"eighty":-1.644259,"marketCap":218042611},{"date":"2022-07-29","current":-2.726703,"twenty":-6.181937,"median":-3.1854,"eighty":-1.644259,"marketCap":199406490},{"date":"2022-08-05","current":-3.032501,"twenty":-6.181937,"median":-3.1854,"eighty":-1.644259,"marketCap":221769835},{"date":"2022-08-12","current":-3.050813,"twenty":-6.181937,"median":-3.1854,"eighty":-1.644259,"marketCap":238515611},{"date":"2022-08-19","current":-2.810591,"twenty":-6.181937,"median":-3.188915,"eighty":-1.644259,"marketCap":219734854},{"date":"2022-08-26","current":-3.050813,"twenty":-6.181937,"median":-3.20023,"eighty":-1.644259,"marketCap":238515611},{"date":"2022-09-02","current":-2.834614,"twenty":-6.181937,"median":-3.1854,"eighty":-1.644259,"marketCap":221612930},{"date":"2022-09-09","current":-2.978747,"twenty":-6.181937,"median":-3.1854,"eighty":-1.644259,"marketCap":232881384},{"date":"2022-09-16","current":-2.834614,"twenty":-6.181937,"median":-3.175547,"eighty":-1.644259,"marketCap":221612930},{"date":"2022-09-23","current":-2.215803,"twenty":-6.181937,"median":-3.171442,"eighty":-1.644259,"marketCap":173233700},{"date":"2022-09-30","current":-2.041883,"twenty":-6.181937,"median":-3.159917,"eighty":-1.644259,"marketCap":159636432},{"date":"2022-10-07","current":-1.165074,"twenty":-6.181937,"median":-3.145062,"eighty":-1.63121,"marketCap":91086670},{"date":"2022-10-14","current":-0.865998,"twenty":-6.181937,"median":-3.134663,"eighty":-1.61816,"marketCap":67704628},{"date":"2022-10-21","current":-0.749731,"twenty":-6.181937,"median":-3.120455,"eighty":-1.613381,"marketCap":58614741},{"date":"2022-10-28","current":-0.972897,"twenty":-6.181937,"median":-3.112112,"eighty":-1.598312,"marketCap":76062065},{"date":"2022-11-04","current":-1.114709,"twenty":-6.181937,"median":-3.1072,"eighty":-1.592061,"marketCap":81914422},{"date":"2022-11-11","current":-1.214773,"twenty":-6.181937,"median":-3.096214,"eighty":-1.579011,"marketCap":89267602},{"date":"2022-11-18","current":-1.166171,"twenty":-6.181937,"median":-3.074835,"eighty":-1.559746,"marketCap":85696057},{"date":"2022-11-25","current":-1.100701,"twenty":-6.181937,"median":-3.069988,"eighty":-1.544729,"marketCap":80884977},{"date":"2022-12-02","current":-1.252797,"twenty":-6.181937,"median":-3.05341,"eighty":-1.504369,"marketCap":92061810},{"date":"2022-12-09","current":-1.286533,"twenty":-6.181937,"median":-3.050813,"eighty":-1.491775,"marketCap":94540882},{"date":"2022-12-16","current":-1.103845,"twenty":-6.181937,"median":-3.032501,"eighty":-1.447007,"marketCap":81116077},{"date":"2022-12-23","current":-0.977765,"twenty":-6.181937,"median":-3.017829,"eighty":-1.355741,"marketCap":71851070},{"date":"2022-12-30","current":-1.150732,"twenty":-6.181937,"median":-3.004556,"eighty":-1.318596,"marketCap":84561567},{"date":"2023-01-06","current":-1.343712,"twenty":-6.181937,"median":-3.004556,"eighty":-1.312656,"marketCap":98742699},{"date":"2023-01-13","current":-1.736534,"twenty":-6.181937,"median":-3.004556,"eighty":-1.305301,"marketCap":127609182},{"date":"2023-01-20","current":-1.686502,"twenty":-6.181937,"median":-3.004556,"eighty":-1.305301,"marketCap":123932592},{"date":"2023-01-27","current":-1.898351,"twenty":-6.181937,"median":-3.004556,"eighty":-1.305301,"marketCap":139500324},{"date":"2023-02-03","current":-2.01614,"twenty":-6.181937,"median":-3.004556,"eighty":-1.305301,"marketCap":148156067},{"date":"2023-02-10","current":-1.858326,"twenty":-6.181937,"median":-3.004556,"eighty":-1.305301,"marketCap":136559052},{"date":"2023-02-17","current":-1.657626,"twenty":-6.181937,"median":-3.004556,"eighty":-1.305301,"marketCap":121810674},{"date":"2023-02-24","current":-1.281387,"twenty":-6.181937,"median":-3.004556,"eighty":-1.291861,"marketCap":94162718},{"date":"2023-03-03","current":-1.400892,"twenty":-6.181937,"median":-3.004556,"eighty":-1.291861,"marketCap":102944516},{"date":"2023-03-10","current":-1.11814,"twenty":-6.181937,"median":-3.004556,"eighty":-1.284743,"marketCap":82166531},{"date":"2023-03-17","current":-1.241119,"twenty":-6.181937,"median":-3.004556,"eighty":-1.277049,"marketCap":91609497},{"date":"2023-03-24","current":-1.191535,"twenty":-6.181937,"median":-3.004556,"eighty":-1.271377,"marketCap":87949605},{"date":"2023-03-31","current":-1.129252,"twenty":-6.18102,"median":-3.00006,"eighty":-1.262086,"marketCap":83352376},{"date":"2023-04-06","current":-1.150467,"twenty":-6.18102,"median":-3.00006,"eighty":-1.257639,"marketCap":84918244},{"date":"2023-04-14","current":-1.070505,"twenty":-6.181937,"median":-2.995564,"eighty":-1.24661,"marketCap":79016125},{"date":"2023-04-21","current":-1.06289,"twenty":-6.181937,"median":-2.981535,"eighty":-1.236301,"marketCap":78454019},{"date":"2023-04-28","current":-1.069145,"twenty":-6.181937,"median":-2.976958,"eighty":-1.228177,"marketCap":78915749},{"date":"2023-05-05","current":-1.213294,"twenty":-6.181937,"median":-2.955701,"eighty":-1.218972,"marketCap":89555624},{"date":"2023-05-12","current":-1.134288,"twenty":-6.181937,"median":-2.930702,"eighty":-1.207412,"marketCap":82308464},{"date":"2023-05-19","current":-1.176425,"twenty":-6.181937,"median":-2.916973,"eighty":-1.198763,"marketCap":85366086},{"date":"2023-05-26","current":-1.239536,"twenty":-6.181937,"median":-2.90668,"eighty":-1.198763,"marketCap":89945725},{"date":"2023-06-02","current":-2.781897,"twenty":-6.181937,"median":-2.902534,"eighty":-1.198763,"marketCap":201865598},{"date":"2023-06-09","current":-2.574293,"twenty":-6.181937,"median":-2.900251,"eighty":-1.198763,"marketCap":186801001},{"date":"2023-06-16","current":-3.566683,"twenty":-6.167647,"median":-2.883928,"eighty":-1.198763,"marketCap":258812777},{"date":"2023-06-23","current":-3.215887,"twenty":-6.007261,"median":-2.881657,"eighty":-1.198477,"marketCap":233357612},{"date":"2023-06-30","current":-2.638766,"twenty":-5.900157,"median":-2.879602,"eighty":-1.198191,"marketCap":191479381},{"date":"2023-07-07","current":-2.767401,"twenty":-5.715984,"median":-2.878781,"eighty":-1.198191,"marketCap":200813686},{"date":"2023-07-14","current":-3.142878,"twenty":-5.697637,"median":-2.874625,"eighty":-1.198191,"marketCap":228059764},{"date":"2023-07-21","current":-3.149831,"twenty":-5.56942,"median":-2.874625,"eighty":-1.198191,"marketCap":228564321},{"date":"2023-07-28","current":-3.351476,"twenty":-5.495629,"median":-2.874625,"eighty":-1.198191,"marketCap":243196474},{"date":"2023-08-04","current":-3.751289,"twenty":-5.398843,"median":-2.874625,"eighty":-1.198191,"marketCap":272208501},{"date":"2023-08-11","current":-3.307886,"twenty":-5.145573,"median":-2.874625,"eighty":-1.198191,"marketCap":247737487},{"date":"2023-08-18","current":-3.300769,"twenty":-5.052407,"median":-2.874625,"eighty":-1.198191,"marketCap":247204460},{"date":"2023-08-25","current":-3.479462,"twenty":-5.007593,"median":-2.874625,"eighty":-1.198191,"marketCap":260587337},{"date":"2023-09-01","current":-3.290654,"twenty":-4.844808,"median":-2.874625,"eighty":-1.198191,"marketCap":246446939},{"date":"2023-09-08","current":-3.314255,"twenty":-4.801091,"median":-2.874625,"eighty":-1.198191,"marketCap":248214489},{"date":"2023-09-15","current":-3.267053,"twenty":-4.787571,"median":-2.874625,"eighty":-1.198191,"marketCap":244679389},{"date":"2023-09-22","current":-3.202993,"twenty":-4.749332,"median":-2.874625,"eighty":-1.198191,"marketCap":239881754},{"date":"2023-09-29","current":-2.805148,"twenty":-4.718257,"median":-2.865322,"eighty":-1.198191,"marketCap":210085915},{"date":"2023-10-06","current":-2.612968,"twenty":-4.70023,"median":-2.854119,"eighty":-1.198191,"marketCap":195693010},{"date":"2023-10-13","current":-2.579252,"twenty":-4.663917,"median":-2.834614,"eighty":-1.198191,"marketCap":193167939},{"date":"2023-10-20","current":-2.444389,"twenty":-4.644321,"median":-2.828635,"eighty":-1.198191,"marketCap":183067654},{"date":"2023-10-27","current":-2.275811,"twenty":-4.627663,"median":-2.825765,"eighty":-1.197424,"marketCap":170442299},{"date":"2023-11-03","current":-2.171292,"twenty":-4.619944,"median":-2.807691,"eighty":-1.197424,"marketCap":162614578},{"date":"2023-11-10","current":-2.194018,"twenty":-4.605041,"median":-2.80227,"eighty":-1.197424,"marketCap":168515969},{"date":"2023-11-17","current":-1.990287,"twenty":-4.585532,"median":-2.781602,"eighty":-1.197424,"marketCap":152867987},{"date":"2023-11-24","current":-2.227148,"twenty":-4.53199,"median":-2.769417,"eighty":-1.197424,"marketCap":171060541},{"date":"2023-12-01","current":-2.266625,"twenty":-4.467954,"median":-2.755963,"eighty":-1.197424,"marketCap":174092634},{"date":"2023-12-08","current":-2.496906,"twenty":-4.465176,"median":-2.741088,"eighty":-1.197665,"marketCap":191779839},{"date":"2023-12-15","current":-2.523224,"twenty":-4.465176,"median":-2.721207,"eighty":-1.197665,"marketCap":193801234},{"date":"2023-12-22","current":-2.645013,"twenty":-4.465176,"median":-2.701219,"eighty":-1.197665,"marketCap":203155540},{"date":"2023-12-29","current":-2.720679,"twenty":-4.46587,"median":-2.69751,"eighty":-1.197424,"marketCap":208967203},{"date":"2024-01-05","current":-2.783186,"twenty":-4.466565,"median":-2.694392,"eighty":-1.197184,"marketCap":213768142},{"date":"2024-01-12","current":-3.500366,"twenty":-4.466565,"median":-2.694392,"eighty":-1.197184,"marketCap":268852605},{"date":"2024-01-19","current":-3.41812,"twenty":-4.467259,"median":-2.692731,"eighty":-1.196943,"marketCap":262535579},{"date":"2024-01-26","current":-3.911593,"twenty":-4.466565,"median":-2.694392,"eighty":-1.197184,"marketCap":300437732},{"date":"2024-02-02","current":-4.030027,"twenty":-4.466565,"median":-2.694392,"eighty":-1.197184,"marketCap":309534249},{"date":"2024-02-09","current":-4.428665,"twenty":-4.467954,"median":-2.694392,"eighty":-1.197184,"marketCap":340152490},{"date":"2024-02-16","current":-3.865616,"twenty":-4.467954,"median":-2.694392,"eighty":-1.197184,"marketCap":296906337},{"date":"2024-02-23","current":-3.964396,"twenty":-4.467954,"median":-2.694392,"eighty":-1.197184,"marketCap":304493381},{"date":"2024-03-01","current":-4.102689,"twenty":-4.467954,"median":-2.694392,"eighty":-1.197424,"marketCap":315115244},{"date":"2024-03-08","current":-3.882079,"twenty":-4.467954,"median":-2.700924,"eighty":-1.197424,"marketCap":298170844},{"date":"2024-03-15","current":-3.457322,"twenty":-4.467954,"median":-2.701219,"eighty":-1.197424,"marketCap":265546554},{"date":"2024-03-22","current":-3.45411,"twenty":-4.467954,"median":-2.701219,"eighty":-1.197424,"marketCap":301775255},{"date":"2024-03-28","current":-3.422262,"twenty":-4.467954,"median":-2.701219,"eighty":-1.197424,"marketCap":298992750},{"date":"2024-04-05","current":-3.280391,"twenty":-4.467954,"median":-2.701219,"eighty":-1.197184,"marketCap":286597958},{"date":"2024-04-12","current":-3.419367,"twenty":-4.467954,"median":-2.701219,"eighty":-1.197184,"marketCap":298739795},{"date":"2024-04-19","current":-2.961907,"twenty":-4.467954,"median":-2.720679,"eighty":-1.197184,"marketCap":258772913},{"date":"2024-04-26","current":-2.669316,"twenty":-4.467954,"median":-2.723955,"eighty":-1.197424,"marketCap":233210169},{"date":"2024-05-03","current":-3.00099,"twenty":-4.467954,"median":-2.737722,"eighty":-1.197424,"marketCap":262187450},{"date":"2024-05-10","current":-3.452876,"twenty":-4.467954,"median":-2.752641,"eighty":-1.197424,"marketCap":301667414},{"date":"2024-05-17","current":-2.909341,"twenty":-4.467954,"median":-2.769417,"eighty":-1.200192,"marketCap":306982024},{"date":"2024-05-24","current":-2.921333,"twenty":-4.467954,"median":-2.782541,"eighty":-1.201922,"marketCap":308247408},{"date":"2024-05-31","current":-0.950464,"twenty":-4.467954,"median":-2.782541,"eighty":-1.201922,"marketCap":100289181},{"date":"2024-06-07","current":-0.816055,"twenty":-4.467954,"median":-2.782541,"eighty":-1.201922,"marketCap":86106873},{"date":"2024-06-14","current":-0.832856,"twenty":-4.467954,"median":-2.782541,"eighty":-1.201922,"marketCap":87879661},{"date":"2024-06-21","current":-0.758451,"twenty":-4.467954,"median":-2.783186,"eighty":-1.197184,"marketCap":80028741},{"date":"2024-06-28","current":-0.715248,"twenty":-4.467954,"median":-2.783186,"eighty":-1.187241,"marketCap":75470141},{"date":"2024-07-05","current":-0.657644,"twenty":-4.467954,"median":-2.783186,"eighty":-1.183614,"marketCap":69392009},{"date":"2024-07-12","current":-0.806454,"twenty":-4.467954,"median":-2.783186,"eighty":-1.181581,"marketCap":85093851},{"date":"2024-07-19","current":-0.796854,"twenty":-4.467954,"median":-2.783186,"eighty":-1.177164,"marketCap":84080829},{"date":"2024-07-26","current":-1.084483,"twenty":-4.467954,"median":-2.783186,"eighty":-1.173532,"marketCap":114430299},{"date":"2024-08-02","current":-0.919612,"twenty":-4.467954,"median":-2.783186,"eighty":-1.169072,"marketCap":97033801},{"date":"2024-08-09","current":-1.056786,"twenty":-4.467954,"median":-2.783186,"eighty":-1.169072,"marketCap":94572800},{"date":"2024-08-16","current":-1.034301,"twenty":-4.467954,"median":-2.783186,"eighty":-1.169072,"marketCap":92560613},{"date":"2024-08-23","current":-1.106252,"twenty":-4.467954,"median":-2.783186,"eighty":-1.169072,"marketCap":98999612},{"date":"2024-08-30","current":-1.12424,"twenty":-4.467954,"median":-2.783186,"eighty":-1.169245,"marketCap":100609362},{"date":"2024-09-06","current":-1.07927,"twenty":-4.467954,"median":-2.783186,"eighty":-1.169245,"marketCap":96584988},{"date":"2024-09-13","current":-1.263646,"twenty":-4.467954,"median":-2.783186,"eighty":-1.174794,"marketCap":113084923},{"date":"2024-09-20","current":-1.295124,"twenty":-4.467954,"median":-2.783186,"eighty":-1.187241,"marketCap":115901985},{"date":"2024-09-27","current":-1.209682,"twenty":-4.467954,"median":-2.783186,"eighty":-1.195709,"marketCap":108255674},{"date":"2024-10-04","current":-1.290628,"twenty":-4.467954,"median":-2.783186,"eighty":-1.201536,"marketCap":115499548},{"date":"2024-10-11","current":-1.335597,"twenty":-4.467954,"median":-2.783186,"eighty":-1.211127,"marketCap":119523922},{"date":"2024-10-18","current":-1.3311,"twenty":-4.467954,"median":-2.783186,"eighty":-1.219609,"marketCap":119121485},{"date":"2024-10-25","current":-1.430033,"twenty":-4.467954,"median":-2.783186,"eighty":-1.227114,"marketCap":127975109},{"date":"2024-11-01","current":-1.762808,"twenty":-4.467954,"median":-2.783186,"eighty":-1.231013,"marketCap":157755480},{"date":"2024-11-08","current":-1.881148,"twenty":-4.467954,"median":-2.783186,"eighty":-1.245126,"marketCap":175800777},{"date":"2024-11-15","current":-1.900197,"twenty":-4.467954,"median":-2.783186,"eighty":-1.251534,"marketCap":177581038},{"date":"2024-11-22","current":-1.90496,"twenty":-4.467954,"median":-2.783186,"eighty":-1.257943,"marketCap":178026104},{"date":"2024-11-29","current":-2.543121,"twenty":-4.467954,"median":-2.783186,"eighty":-1.263685,"marketCap":237664848},{"date":"2024-12-06","current":-2.690756,"twenty":-4.467954,"median":-2.783186,"eighty":-1.272854,"marketCap":251461871},{"date":"2024-12-13","current":-2.133555,"twenty":-4.467954,"median":-2.783186,"eighty":-1.283688,"marketCap":199389236},{"date":"2024-12-20","current":-1.995445,"twenty":-4.467954,"median":-2.783186,"eighty":-1.287219,"marketCap":186482343},{"date":"2024-12-27","current":-1.76685,"twenty":-4.467954,"median":-2.783186,"eighty":-1.297469,"marketCap":165119211},{"date":"2025-01-03","current":-3.333679,"twenty":-4.467954,"median":-2.784621,"eighty":-1.318991,"marketCap":311545682},{"date":"2025-01-10","current":-2.728855,"twenty":-4.467954,"median":-2.792752,"eighty":-1.334542,"marketCap":255022393},{"date":"2025-01-17","current":-2.619172,"twenty":-4.467954,"median":-2.792752,"eighty":-1.349088,"marketCap":244772068},{"date":"2025-01-24","current":-2.909099,"twenty":-4.467954,"median":-2.799005,"eighty":-1.377676,"marketCap":271866912},{"date":"2025-01-31","current":-2.987723,"twenty":-4.467954,"median":-2.80415,"eighty":-1.417359,"marketCap":279214667},{"date":"2025-02-07","current":-2.845216,"twenty":-4.467954,"median":-2.809477,"eighty":-1.450964,"marketCap":265896862},{"date":"2025-02-14","current":-2.933669,"twenty":-4.467954,"median":-2.82102,"eighty":-1.486246,"marketCap":274163086},{"date":"2025-02-21","current":-2.791162,"twenty":-4.467954,"median":-2.82102,"eighty":-1.501444,"marketCap":260845281},{"date":"2025-02-28","current":-2.749393,"twenty":-4.467954,"median":-2.82102,"eighty":-1.526299,"marketCap":256941786},{"date":"2025-03-07","current":-3.439813,"twenty":-4.467954,"median":-2.828635,"eighty":-1.526171,"marketCap":321464255},{"date":"2025-03-14","current":-3.420157,"twenty":-4.467954,"median":-2.834614,"eighty":-1.526171,"marketCap":319627316},{"date":"2025-03-21","current":-2.620901,"twenty":-4.467954,"median":-2.845216,"eighty":-1.526171,"marketCap":342386588},{"date":"2025-03-28","current":-2.439605,"twenty":-4.467954,"median":-2.845216,"eighty":-1.526171,"marketCap":318702703},{"date":"2025-04-04","current":-2.033661,"twenty":-4.467954,"median":-2.845216,"eighty":-1.526171,"marketCap":265671397},{"date":"2025-04-11","current":-1.828836,"twenty":-4.467954,"median":-2.834614,"eighty":-1.526299,"marketCap":238913590},{"date":"2025-04-17","current":-2.262396,"twenty":-4.467954,"median":-2.828635,"eighty":-1.526299,"marketCap":295552588},{"date":"2025-04-25","current":-2.956092,"twenty":-4.467954,"median":-2.823419,"eighty":-1.526171,"marketCap":386174985},{"date":"2025-05-02","current":-2.928502,"twenty":-4.467954,"median":-2.828635,"eighty":-1.526171,"marketCap":382570685},{"date":"2025-05-09","current":-2.826024,"twenty":-4.467954,"median":-2.828635,"eighty":-1.526171,"marketCap":369183285},{"date":"2025-05-16","current":-2.801401,"twenty":-4.467954,"median":-2.828635,"eighty":-1.526171,"marketCap":417064200},{"date":"2025-05-23","current":-2.760801,"twenty":-4.467954,"median":-2.834614,"eighty":-1.526171,"marketCap":411019791},{"date":"2025-05-30","current":-2.867838,"twenty":-4.467954,"median":-2.842184,"eighty":-1.526171,"marketCap":426955050},{"date":"2025-06-06","current":-2.280983,"twenty":-4.467954,"median":-2.842184,"eighty":-1.526171,"marketCap":339585870},{"date":"2025-06-13","current":-2.170255,"twenty":-4.467954,"median":-2.842184,"eighty":-1.526171,"marketCap":323101119},{"date":"2025-06-20","current":-1.915583,"twenty":-4.467954,"median":-2.8437,"eighty":-1.525831,"marketCap":285186192},{"date":"2025-06-27","current":-1.535419,"twenty":-4.467954,"median":-2.8437,"eighty":-1.525831,"marketCap":228588547},{"date":"2025-07-03","current":-1.771637,"twenty":-4.467954,"median":-2.8437,"eighty":-1.525831,"marketCap":263756016},{"date":"2025-07-11","current":-1.749492,"twenty":-4.467954,"median":-2.8437,"eighty":-1.525831,"marketCap":260459065},{"date":"2025-07-18","current":-1.886055,"twenty":-4.467954,"median":-2.8437,"eighty":-1.531728,"marketCap":280790258},{"date":"2025-07-25","current":-1.952492,"twenty":-4.467954,"median":-2.8437,"eighty":-1.534681,"marketCap":290681109},{"date":"2025-08-01","current":-2.277292,"twenty":-4.467954,"median":-2.8437,"eighty":-1.546352,"marketCap":339036378},{"date":"2025-08-08","current":-2.074292,"twenty":-4.467954,"median":-2.8437,"eighty":-1.550363,"marketCap":308814335},{"date":"2025-08-15","current":-2.856383,"twenty":-4.467954,"median":-2.85224,"eighty":-1.550363,"marketCap":475744937},{"date":"2025-08-22","current":-3.188951,"twenty":-4.467954,"median":-2.858636,"eighty":-1.550363,"marketCap":531135680},{"date":"2025-08-29","current":-3.410662,"twenty":-4.467954,"median":-2.870579,"eighty":-1.550363,"marketCap":568062842},{"date":"2025-09-05","current":-3.902123,"twenty":-4.467954,"median":-2.879602,"eighty":-1.573791,"marketCap":649918051},{"date":"2025-09-12","current":-3.455004,"twenty":-4.467954,"median":-2.881657,"eighty":-1.582523,"marketCap":575448274},{"date":"2025-09-19","current":-3.525213,"twenty":-4.467954,"median":-2.891733,"eighty":-1.582523,"marketCap":587141875},{"date":"2025-09-26","current":-3.18156,"twenty":-4.467954,"median":-2.905085,"eighty":-1.586059,"marketCap":529904774},{"date":"2025-10-03","current":-3.321978,"twenty":-4.467954,"median":-2.906763,"eighty":-1.587018,"marketCap":553291977},{"date":"2025-10-10","current":-3.414357,"twenty":-4.467954,"median":-2.925366,"eighty":-1.587018,"marketCap":568678294},{"date":"2025-10-17","current":-3.514128,"twenty":-4.467954,"median":-2.930702,"eighty":-1.587018,"marketCap":585295517},{"date":"2025-10-24","current":-2.885945,"twenty":-4.467954,"median":-2.931274,"eighty":-1.587018,"marketCap":480668558},{"date":"2025-10-31","current":-3.410662,"twenty":-4.467954,"median":-2.94674,"eighty":-1.592061,"marketCap":568062842},{"date":"2025-11-07","current":-2.196269,"twenty":-4.467954,"median":-2.950037,"eighty":-1.604536,"marketCap":529533727},{"date":"2025-11-14","current":-2.246122,"twenty":-4.467954,"median":-2.941373,"eighty":-1.604536,"marketCap":541553408},{"date":"2025-11-21","current":-3.140337,"twenty":-4.467954,"median":-2.950037,"eighty":-1.604536,"marketCap":757154134},{"date":"2025-11-28","current":-3.406033,"twenty":-4.467954,"median":-2.951907,"eighty":-1.604536,"marketCap":821215086},{"date":"2025-12-05","current":-3.393229,"twenty":-4.467954,"median":-2.951907,"eighty":-1.604536,"marketCap":818127811},{"date":"2025-12-12","current":-3.018693,"twenty":-4.432163,"median":-2.951907,"eighty":-1.604536,"marketCap":727825024},{"date":"2025-12-19","current":-2.480898,"twenty":-4.428684,"median":-2.941373,"eighty":-1.604536,"marketCap":598159484},{"date":"2025-12-26","current":-2.519312,"twenty":-4.375361,"median":-2.931274,"eighty":-1.604536,"marketCap":607421309},{"date":"2026-01-02","current":-2.471295,"twenty":-4.356341,"median":-2.930635,"eighty":-1.604536,"marketCap":595844028},{"date":"2026-01-09","current":-2.519312,"twenty":-4.350377,"median":-2.925366,"eighty":-1.604536,"marketCap":607421309},{"date":"2026-01-16","current":-2.112765,"twenty":-4.311184,"median":-2.906763,"eighty":-1.604536,"marketCap":509400335},{"date":"2026-01-23","current":-2.141576,"twenty":-4.289504,"median":-2.905085,"eighty":-1.604536,"marketCap":516346703},{"date":"2026-01-30","current":-2.051943,"twenty":-4.289504,"median":-2.891733,"eighty":-1.604536,"marketCap":494735780},{"date":"2026-02-06","current":-2.010328,"twenty":-4.222251,"median":-2.882808,"eighty":-1.604536,"marketCap":484702137},{"date":"2026-02-13","current":-1.869477,"twenty":-4.163177,"median":-2.879192,"eighty":-1.604536,"marketCap":450742114},{"date":"2026-02-20","current":-1.901489,"twenty":-4.086226,"median":-2.864147,"eighty":-1.604536,"marketCap":458460301},{"date":"2026-02-27","current":-1.831063,"twenty":-4.059685,"median":-2.857188,"eighty":-1.604536,"marketCap":441480290},{"date":"2026-03-06","current":-2.57881,"twenty":-4.0092,"median":-2.847339,"eighty":-1.604536,"marketCap":540185901},{"date":"2026-03-13","current":-2.448821,"twenty":-3.977823,"median":-2.834614,"eighty":-1.604536,"marketCap":512957019},{"date":"2026-03-20","current":-2.440435,"twenty":-3.930717,"median":-2.828635,"eighty":-1.604536,"marketCap":511200316},{"date":"2026-03-27","current":-2.218196,"twenty":-3.902724,"median":-2.82102,"eighty":-1.604536,"marketCap":464647710},{"date":"2026-04-02","current":-2.327219,"twenty":-3.868478,"median":-2.809477,"eighty":-1.604536,"marketCap":487484838},{"date":"2026-04-10","current":-2.343991,"twenty":-3.845521,"median":-2.80611,"eighty":-1.604536,"marketCap":490998242},{"date":"2026-04-17","current":-2.658716,"twenty":-3.797635,"median":-2.801195,"eighty":-1.604536,"marketCap":556923979},{"date":"2026-04-24","current":-2.612587,"twenty":-3.753391,"median":-2.789648,"eighty":-1.604536,"marketCap":547261260},{"date":"2026-05-01","current":-2.289683,"twenty":-3.713582,"median":-2.782541,"eighty":-1.604536,"marketCap":479622228},{"date":"2026-05-08","current":-2.373554,"twenty":-3.657116,"median":-2.775175,"eighty":-1.604536,"marketCap":497190808},{"date":"2026-05-15","current":-2.133878,"twenty":-3.628864,"median":-2.762754,"eighty":-1.604536,"marketCap":413884839},{"date":"2026-05-22","current":-1.934535,"twenty":-3.583092,"median":-2.759096,"eighty":-1.604536,"marketCap":375220438},{"date":"2026-05-29","current":-1.943596,"twenty":-3.564804,"median":-2.752186,"eighty":-1.603657,"marketCap":376977911},{"date":"2026-06-05","current":-1.748783,"twenty":-3.543032,"median":-2.747065,"eighty":-1.604536,"marketCap":339192246},{"date":"2026-06-12","current":-1.785027,"twenty":-3.519065,"median":-2.735613,"eighty":-1.604536,"marketCap":346222137},{"date":"2026-06-18","current":-1.88923,"twenty":-3.507498,"median":-2.729702,"eighty":-1.604536,"marketCap":366433074},{"date":"2026-06-26","current":-1.563032,"twenty":-3.489739,"median":-2.717487,"eighty":-1.595448,"marketCap":303164054},{"date":"2026-07-02","current":-1.857516,"twenty":-3.470596,"median":-2.712538,"eighty":-1.595448,"marketCap":360281919},{"date":"2026-07-10","current":-2.446484,"twenty":-3.454657,"median":-2.696835,"eighty":-1.595448,"marketCap":474517650},{"date":"2026-07-17","current":-2.614114,"twenty":-3.44282,"median":-2.690481,"eighty":-1.595448,"marketCap":507030897},{"date":"2026-07-24","current":-2.799865,"twenty":-3.431901,"median":-2.687001,"eighty":-1.595448,"marketCap":543059089},{"date":"2026-07-31","current":-2.763621,"twenty":-3.420157,"median":-2.683223,"eighty":-1.592663,"marketCap":536029197},{"date":"2026-08-07","current":-2.562103,"twenty":-3.41742,"median":-2.668898,"eighty":-1.592663,"marketCap":519333206},{"date":"2026-08-14","current":-2.980089,"twenty":-3.410628,"median":-2.668898,"eighty":-1.592663,"marketCap":604058151},{"date":"2026-08-21","current":-3.047108,"twenty":-3.403259,"median":-2.668898,"eighty":-1.592663,"marketCap":617642667},{"date":"2026-08-28","current":-3.29731,"twenty":-3.385275,"median":-2.668898,"eighty":-1.592663,"marketCap":668358194},{"date":"2026-09-01","current":-3.225824,"twenty":-3.376659,"median":-2.668898,"eighty":-1.592663,"marketCap":653868044}],"updateTime":1788367015017},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"VSTM\",pageSize:20,pageCount:9,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"12252270","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465921024111-VSTM","pdf_url":null,"pub_time":1613404800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"VSTM","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465921024111/0001104659-21-024111-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1423053/000110465921024111/tm214737d14_sc13ga.htm","primary":true,"translateUrl":null,"linkName":"tm214737d14_sc13ga.htm","type":"SC 13G/A","id":"NTFILEGkEPV4YoM2xvjisi","market":"us","size":159289},{"description":"EXHIBIT 99.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1423053/000110465921024111/tm214737d14_ex99-1.htm","primary":false,"translateUrl":null,"linkName":"tm214737d14_ex99-1.htm","type":"EX-99.1","id":"NTFILE5faqFtDdFyiiU43f","market":"us","size":8993}],"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":"2021-02-16 00:00","pubTimestamp":1613404800,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12252269","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465921024031-VSTM","pdf_url":null,"pub_time":1613404800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"VSTM","title":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465921024031/0001104659-21-024031-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1263508/000110465921024031/tm214392d8_sc13g.htm","primary":true,"translateUrl":null,"linkName":"tm214392d8_sc13g.htm","type":"SC 13G","id":"NTFILE21YTZY4m7ePdNm1w","market":"us","size":88349},{"description":"EXHIBIT 99.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1263508/000110465921024031/tm214392d8_ex99-1.htm","primary":false,"translateUrl":null,"linkName":"tm214392d8_ex99-1.htm","type":"EX-99.1","id":"NTFILE55PzHHNcD2PYrgWE","market":"us","size":8643}],"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":"2021-02-16 00:00","pubTimestamp":1613404800,"title_zh":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11865863","market":"us","labels":[],"media":"sec.gov","original_id":"AN89914021000304-VSTM","pdf_url":null,"pub_time":1613404800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"VSTM","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000089914021000304/0000899140-21-000304-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SCHEDULE 13G (AMENDMENT #1)","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000089914021000304/b021221a.htm","primary":true,"translateUrl":null,"linkName":"b021221a.htm","type":"SC 13G/A","id":"NTFILE2gBWUorKrKfNx6nU","market":"us","size":60607},{"description":"EXHIBIT 99.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000089914021000304/b021221b.htm","primary":false,"translateUrl":null,"linkName":"b021221b.htm","type":"EX-99.1","id":"NTFILE378SXS3DYSGaTcUZ","market":"us","size":2979}],"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":"2021-02-16 00:00","pubTimestamp":1613404800,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11865865","market":"us","labels":[],"media":"sec.gov","original_id":"AN121390021009013-VSTM","pdf_url":null,"pub_time":1613059200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"VSTM","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000121390021009013/0001213900-21-009013-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"AMENDMENT NO. 1 TO SCHEDULE 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000121390021009013/ea135470-13ga1vivoop_veras.htm","primary":true,"translateUrl":null,"linkName":"ea135470-13ga1vivoop_veras.htm","type":"SC 13G/A","id":"NTFILEDtuUjgCZcy4zKdpw","market":"us","size":62152}],"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":"2021-02-12 00:00","pubTimestamp":1613059200,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11865864","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521041668-VSTM","pdf_url":null,"pub_time":1613059200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"VSTM","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000119312521041668/0001193125-21-041668-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000119312521041668/d76360dsc13ga.htm","primary":true,"translateUrl":null,"linkName":"d76360dsc13ga.htm","type":"SC 13G/A","id":"NTFILEAjJWTXJYKWLrEQwX","market":"us","size":109023}],"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":"2021-02-12 00:00","pubTimestamp":1613059200,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11818203","market":"us","labels":[],"media":"sec.gov","original_id":"AN92189521000321-VSTM","pdf_url":null,"pub_time":1612972800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"VSTM","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000092189521000321/0000921895-21-000321-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"AMENDMENT NO. 2 TO THE SCHEDULE 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/918923/000092189521000321/sc13ga207422vstm_02122021.htm","primary":true,"translateUrl":null,"linkName":"sc13ga207422vstm_02122021.htm","type":"SC 13G/A","id":"NTFILEHnfMdMuu3UDpDKb3","market":"us","size":277998}],"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":"2021-02-11 00:00","pubTimestamp":1612972800,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11818205","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465921019346-VSTM","pdf_url":null,"pub_time":1612886400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"VSTM","title":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465921019346/0001104659-21-019346-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SCHEDULE 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/102909/000110465921019346/tv02089-verasteminc.htm","primary":true,"translateUrl":null,"linkName":"tv02089-verasteminc.htm","type":"SC 13G","id":"NTFILE3g8CTWUKKrbxAsXK","market":"us","size":12274}],"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":"2021-02-10 00:00","pubTimestamp":1612886400,"title_zh":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11818209","market":"us","labels":[],"media":"sec.gov","original_id":"AN90266421000887-VSTM","pdf_url":null,"pub_time":1612454400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"VSTM","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000090266421000887/0000902664-21-000887-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"VERASTEM, INC.","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/919185/000090266421000887/p21-0371sc13ga.htm","primary":true,"translateUrl":null,"linkName":"p21-0371sc13ga.htm","type":"SC 13G/A","id":"NTFILEBm7Z2hurFWkf4S17","market":"us","size":69936}],"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":"2021-02-05 00:00","pubTimestamp":1612454400,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":false,"id":"11818201","market":"us","labels":[],"media":"sec.gov","original_id":"AN83423721006841-VSTM","pdf_url":null,"pub_time":1612195200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"VSTM","title":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000083423721006841/0000834237-21-006841-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-02 00:00","pubTimestamp":1612195200,"title_zh":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11192010","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465920136630-VSTM","pdf_url":null,"pub_time":1608134400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"VSTM","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/0001104659-20-136630-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1.htm","primary":true,"translateUrl":null,"linkName":"tm2038769d1_ex99-1.htm","type":"EX-99.1","id":"NTFILEGNPjH96MsUPHJYXK","market":"us","size":43586},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_8k.htm","primary":false,"translateUrl":null,"linkName":"tm2038769d1_8k.htm","type":"8-K","id":"NTFILECCN1Ffqggmf8v6C9","market":"us","size":24092},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img001.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img001.jpg","type":"GRAPHIC","id":"NTFILE4dY8Uct3hS7utTGS","market":"us","size":336079},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img002.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img002.jpg","type":"GRAPHIC","id":"NTFILE7Q8dPKEmzvyBi6t2","market":"us","size":144802},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img003.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img003.jpg","type":"GRAPHIC","id":"NTFILEJ6moN2uhwwAzGBL4","market":"us","size":286443},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img004.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img004.jpg","type":"GRAPHIC","id":"NTFILE4R4zh4N6C7iHo8DT","market":"us","size":247659},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img005.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img005.jpg","type":"GRAPHIC","id":"NTFILE4VV4rCasCNPNJDnQ","market":"us","size":214383},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img006.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img006.jpg","type":"GRAPHIC","id":"NTFILEH3jx7P1CrUxMBar4","market":"us","size":216420},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img007.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img007.jpg","type":"GRAPHIC","id":"NTFILE65aAcxV2Cr13wZjp","market":"us","size":266845},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img008.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img008.jpg","type":"GRAPHIC","id":"NTFILEDw8nS1kn6urmN8KU","market":"us","size":198699},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img009.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img009.jpg","type":"GRAPHIC","id":"NTFILEDNiQjBwhrnURYJFY","market":"us","size":181206},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img010.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img010.jpg","type":"GRAPHIC","id":"NTFILE2XaKbpAE7Xxmgze9","market":"us","size":193047},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img011.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img011.jpg","type":"GRAPHIC","id":"NTFILE6hmeUBS8Ue94VPAG","market":"us","size":197891},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img012.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img012.jpg","type":"GRAPHIC","id":"NTFILE4vhh4WaDv2BPht3W","market":"us","size":228415},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img013.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img013.jpg","type":"GRAPHIC","id":"NTFILE8vkEBXnc9mHSdKQq","market":"us","size":196389},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img014.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img014.jpg","type":"GRAPHIC","id":"NTFILEH1BJpTXCRRK2Xy8E","market":"us","size":140810},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img015.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img015.jpg","type":"GRAPHIC","id":"NTFILE6UARaDBNJrXTV4yw","market":"us","size":180123},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img016.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img016.jpg","type":"GRAPHIC","id":"NTFILEFrw1RT6g5Cbvyf4h","market":"us","size":232907},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img017.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img017.jpg","type":"GRAPHIC","id":"NTFILEEc7bBNH23FG8jdZk","market":"us","size":208888},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img018.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img018.jpg","type":"GRAPHIC","id":"NTFILEMN3xJjSQ1F1A3L8M","market":"us","size":197833},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img019.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img019.jpg","type":"GRAPHIC","id":"NTFILE4GVFGeiCcKinUMPR","market":"us","size":227999},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img020.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img020.jpg","type":"GRAPHIC","id":"NTFILE8Hr81vXmtXjmLwyC","market":"us","size":228111},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img021.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img021.jpg","type":"GRAPHIC","id":"NTFILEFH1HDfccstPPCnC9","market":"us","size":237923},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img022.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img022.jpg","type":"GRAPHIC","id":"NTFILE8bZGj7nD3gx8JGyr","market":"us","size":221060},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img023.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img023.jpg","type":"GRAPHIC","id":"NTFILE46JsyASgiRyd3mHn","market":"us","size":166688},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img024.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img024.jpg","type":"GRAPHIC","id":"NTFILEDyyifWrmo8fzaS8F","market":"us","size":254609},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img025.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img025.jpg","type":"GRAPHIC","id":"NTFILEEumRYaMWwWpEGBsm","market":"us","size":234561},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img026.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img026.jpg","type":"GRAPHIC","id":"NTFILEGvSvZkFSg93oeoDn","market":"us","size":202938},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img027.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img027.jpg","type":"GRAPHIC","id":"NTFILE7HxyY5t3J88dNh43","market":"us","size":350946},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img028.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img028.jpg","type":"GRAPHIC","id":"NTFILE41uJhb26MZeT8ko8","market":"us","size":238443},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img029.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img029.jpg","type":"GRAPHIC","id":"NTFILE65b4maU7gMBoqdiF","market":"us","size":260942},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img030.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img030.jpg","type":"GRAPHIC","id":"NTFILE7p1dS5L3LPGJfLJr","market":"us","size":227813},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img031.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img031.jpg","type":"GRAPHIC","id":"NTFILEA6U6ysRoR6CwT9cW","market":"us","size":245001},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img032.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img032.jpg","type":"GRAPHIC","id":"NTFILEFWxS12URy83ZkhsT","market":"us","size":228427},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img033.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img033.jpg","type":"GRAPHIC","id":"NTFILEHHVbxXjwgHxbTz8c","market":"us","size":112580},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img034.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img034.jpg","type":"GRAPHIC","id":"NTFILECHAzHSzZdFAHXSW9","market":"us","size":239853},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920136630/tm2038769d1_ex99-1img035.jpg","primary":false,"translateUrl":null,"linkName":"tm2038769d1_ex99-1img035.jpg","type":"GRAPHIC","id":"NTFILEBeM6FoywuxC2jVVW","market":"us","size":351358}],"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":"2020-12-17 00:00","pubTimestamp":1608134400,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11192008","market":"us","labels":[],"media":"sec.gov","original_id":"AN155837020013373-VSTM","pdf_url":null,"pub_time":1604851200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"VSTM","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/0001558370-20-013373-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930x10q.htm","primary":true,"translateUrl":null,"linkName":"vstm-20200930x10q.htm","type":"10-Q","id":"NTFILEJTy4vgj1SyggZ9Zf","market":"us","size":2306302},{"description":"EX-4.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex4d2.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex4d2.htm","type":"EX-4.2","id":"NTFILEHotUs2EchopNPvMq","market":"us","size":807493},{"description":"EX-10.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex10d1.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex10d1.htm","type":"EX-10.1","id":"NTFILE2wPNZDQ7BfExPvkR","market":"us","size":817208},{"description":"EX-10.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex10d2.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex10d2.htm","type":"EX-10.2","id":"NTFILE3ACeKq67bWYJ2i49","market":"us","size":109161},{"description":"EX-31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex31d1.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex31d1.htm","type":"EX-31.1","id":"NTFILEAxf1PUP6hzyfjGsv","market":"us","size":13293},{"description":"EX-31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex31d2.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex31d2.htm","type":"EX-31.2","id":"NTFILEFnNgTdoAqZV5QEWF","market":"us","size":13666},{"description":"EX-32.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex32d1.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex32d1.htm","type":"EX-32.1","id":"NTFILEGn9PaFqxwfepAsiS","market":"us","size":7950},{"description":"EX-32.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex32d2.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex32d2.htm","type":"EX-32.2","id":"NTFILEGJk9M28mxqVRp8CT","market":"us","size":8044},{"description":"EX-99.1","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex99d1.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex99d1.htm","type":"EX-99.1","id":"NTFILED1ytwMwUf7DvBGLT","market":"us","size":252809},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex4d2002.jpg","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex4d2002.jpg","type":"GRAPHIC","id":"NTFILE6QKygSg61K54KP9m","market":"us","size":2995},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex4d2005.jpg","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex4d2005.jpg","type":"GRAPHIC","id":"NTFILE5KXWHCJPfJeqCo6j","market":"us","size":3659},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex4d2004.jpg","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex4d2004.jpg","type":"GRAPHIC","id":"NTFILEGjYavbEUyB4tF6qW","market":"us","size":3760},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex4d2006.jpg","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex4d2006.jpg","type":"GRAPHIC","id":"NTFILE8KYvZezUpBRoZiZ7","market":"us","size":3279},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex4d2001.jpg","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex4d2001.jpg","type":"GRAPHIC","id":"NTFILE3gKBVoF93DaY5V5R","market":"us","size":1304},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex4d2003.jpg","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex4d2003.jpg","type":"GRAPHIC","id":"NTFILE7xutmVXshDYa3sGE","market":"us","size":3674},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex4d2007.jpg","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex4d2007.jpg","type":"GRAPHIC","id":"NTFILEBwNQD4aTvwWQi7mt","market":"us","size":5151},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/vstm-20200930xex99d1001.jpg","primary":false,"translateUrl":null,"linkName":"vstm-20200930xex99d1001.jpg","type":"GRAPHIC","id":"NTFILEEy3SBJP3xF7u16kX","market":"us","size":7607}],"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":[{"id":65571,"name":"CONDENSED CONSOLIDATED BALANCE SHEETS","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":65572,"name":"CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":65573,"name":"CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":65574,"name":"CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":65575,"name":"CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":65576,"name":"CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020013373/R7.htm","cdn_url":"","translation_url":"","translate_status":0}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-11-09 00:00","pubTimestamp":1604851200,"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":"10421891","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465920110194-VSTM","pdf_url":null,"pub_time":1601395200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"VSTM","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920110194/0001104659-20-110194-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.01: Completion of Acquisition or Disposition of Assets;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920110194/tm2031990d1_ex99-1.htm","primary":true,"translateUrl":null,"linkName":"tm2031990d1_ex99-1.htm","type":"EX-99.1","id":"NTFILEEgkUULtuPaJjF4cq","market":"us","size":18387},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920110194/tm2031990d1_8k.htm","primary":false,"translateUrl":null,"linkName":"tm2031990d1_8k.htm","type":"8-K","id":"NTFILE3f3oVWsLHzsAv4Vd","market":"us","size":25689},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920110194/tm2031990d1_ex99-1img001.jpg","primary":false,"translateUrl":null,"linkName":"tm2031990d1_ex99-1img001.jpg","type":"GRAPHIC","id":"NTFILE2pV3y2kXa8p8tCgF","market":"us","size":10323},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920110194/vstm-20200930.xsd","primary":false,"translateUrl":null,"linkName":"vstm-20200930.xsd","type":"EX-101.SCH","id":"NTFILEDdmMvbFBqmvn5yW7","market":"us","size":3186},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920110194/vstm-20200930_lab.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200930_lab.xml","type":"EX-101.LAB","id":"NTFILE7bwg758tpPqnLLGs","market":"us","size":34591},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920110194/vstm-20200930_pre.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200930_pre.xml","type":"EX-101.PRE","id":"NTFILEB6wLCBbAff3nkCtT","market":"us","size":22710},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920110194/tm2031990d1_8k_htm.xml","primary":false,"translateUrl":null,"linkName":"tm2031990d1_8k_htm.xml","type":"XML","id":"NTFILE37SEjYLLEyp4hrhc","market":"us","size":3601}],"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":"2020-09-30 00:00","pubTimestamp":1601395200,"title_zh":"8-K  - Current report","summary_en":"Item 2.01: Completion of Acquisition or Disposition of Assets;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10374096","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465920105486-VSTM","pdf_url":null,"pub_time":1600185600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"VSTM","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/0001104659-20-105486-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-1.htm","primary":true,"translateUrl":null,"linkName":"tm2030937d1_ex99-1.htm","type":"EX-99.1","id":"NTFILE8WA9somP6WjqtoFm","market":"us","size":28351},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_8k.htm","primary":false,"translateUrl":null,"linkName":"tm2030937d1_8k.htm","type":"8-K","id":"NTFILEEzZKFfveaex5VEdF","market":"us","size":25211},{"description":"EXHIBIT 99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2.htm","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2.htm","type":"EX-99.2","id":"NTFILEGsVZjgkjC5qdxFBY","market":"us","size":34243},{"description":"EXHIBIT 99.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3.htm","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3.htm","type":"EX-99.3","id":"NTFILEGDSzA2iwcbeiHAj9","market":"us","size":30003},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/vstm-20200916.xsd","primary":false,"translateUrl":null,"linkName":"vstm-20200916.xsd","type":"EX-101.SCH","id":"NTFILE9bwQxn6CLaucZZxX","market":"us","size":3186},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/vstm-20200916_lab.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200916_lab.xml","type":"EX-101.LAB","id":"NTFILE5Y1U5y4bP4n7MZCH","market":"us","size":34591},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/vstm-20200916_pre.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200916_pre.xml","type":"EX-101.PRE","id":"NTFILE2PaPBipKwAjV1x6B","market":"us","size":22710},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-1img001.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-1img001.jpg","type":"GRAPHIC","id":"NTFILEE9BJxA7usM62qJUF","market":"us","size":12414},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img001.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img001.jpg","type":"GRAPHIC","id":"NTFILED7k2nxMryYy9Lih1","market":"us","size":408016},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img002.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img002.jpg","type":"GRAPHIC","id":"NTFILE8TaYNU2epUsoQqE7","market":"us","size":64003},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img003.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img003.jpg","type":"GRAPHIC","id":"NTFILE3gT4wTcQirnRLm1x","market":"us","size":183872},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img004.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img004.jpg","type":"GRAPHIC","id":"NTFILEACnEg2HFfS9Laeur","market":"us","size":172546},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img005.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img005.jpg","type":"GRAPHIC","id":"NTFILE859WmjHKNVcox7uq","market":"us","size":191861},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img006.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img006.jpg","type":"GRAPHIC","id":"NTFILEF6Q6QHAHxhBEYisU","market":"us","size":198509},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img007.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img007.jpg","type":"GRAPHIC","id":"NTFILEBzK9ejRDf5z6Cqyk","market":"us","size":150992},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img008.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img008.jpg","type":"GRAPHIC","id":"NTFILEC1LStpvpBqtfPhNv","market":"us","size":155314},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img009.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img009.jpg","type":"GRAPHIC","id":"NTFILE3PMAjjjuftNAcENn","market":"us","size":168502},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img010.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img010.jpg","type":"GRAPHIC","id":"NTFILE81RXqhfi1BBsnzt2","market":"us","size":200524},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img011.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img011.jpg","type":"GRAPHIC","id":"NTFILE4WxHx6Xmq7eWqsLP","market":"us","size":212045},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img012.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img012.jpg","type":"GRAPHIC","id":"NTFILE8CcQvB4iB2aQezMn","market":"us","size":186228},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img013.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img013.jpg","type":"GRAPHIC","id":"NTFILEE5foBMutSuVsxft3","market":"us","size":155445},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img014.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img014.jpg","type":"GRAPHIC","id":"NTFILE7DbaQgxKcH6LmXAA","market":"us","size":209205},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img015.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img015.jpg","type":"GRAPHIC","id":"NTFILE7HXHhijgL6ZvGnqN","market":"us","size":253527},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img016.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img016.jpg","type":"GRAPHIC","id":"NTFILE2mZhQAHujo61New6","market":"us","size":197605},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img017.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img017.jpg","type":"GRAPHIC","id":"NTFILE3sV3yRnAdw1obpdw","market":"us","size":208464},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img018.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img018.jpg","type":"GRAPHIC","id":"NTFILECQNHa7Q9DesqAaNr","market":"us","size":232706},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img019.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img019.jpg","type":"GRAPHIC","id":"NTFILE2wfF8XPMwu9GAe4j","market":"us","size":226456},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img020.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img020.jpg","type":"GRAPHIC","id":"NTFILEGs8Exqzd67zRghYp","market":"us","size":167112},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img021.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img021.jpg","type":"GRAPHIC","id":"NTFILEEVbK88wnPkvymhzA","market":"us","size":148224},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img022.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img022.jpg","type":"GRAPHIC","id":"NTFILE5XWDnF3Qju3NhYK6","market":"us","size":111897},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img023.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img023.jpg","type":"GRAPHIC","id":"NTFILEH6JPwtMWRPCmhtAG","market":"us","size":129486},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img024.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img024.jpg","type":"GRAPHIC","id":"NTFILE24UjihDkKmfNvnsH","market":"us","size":105645},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-2img025.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-2img025.jpg","type":"GRAPHIC","id":"NTFILE4d4tgBhdFtD1T3mC","market":"us","size":323442},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img001.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img001.jpg","type":"GRAPHIC","id":"NTFILEGqY43iYbSz9h5322","market":"us","size":417499},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img002.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img002.jpg","type":"GRAPHIC","id":"NTFILE8iKujjvtEr4cQyhk","market":"us","size":109840},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img003.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img003.jpg","type":"GRAPHIC","id":"NTFILEo1zCE5Vccs1CSCMm","market":"us","size":220600},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img004.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img004.jpg","type":"GRAPHIC","id":"NTFILEHybdH77UNfNtZ8C7","market":"us","size":330554},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img005.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img005.jpg","type":"GRAPHIC","id":"NTFILE7fhD5UWfZ5CD2s6E","market":"us","size":140439},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img006.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img006.jpg","type":"GRAPHIC","id":"NTFILE8xoj9GWqtmk7LuBB","market":"us","size":182496},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img007.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img007.jpg","type":"GRAPHIC","id":"NTFILE3hJdjztaNZsmAxsZ","market":"us","size":265276},{"description":"GRAPHIC","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img008.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img008.jpg","type":"GRAPHIC","id":"NTFILE7aB4EYLzy1UMHPy2","market":"us","size":246970},{"description":"GRAPHIC","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img009.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img009.jpg","type":"GRAPHIC","id":"NTFILEGCHmKm1qvMf2PFe4","market":"us","size":253679},{"description":"GRAPHIC","seq":43,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img010.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img010.jpg","type":"GRAPHIC","id":"NTFILEHb9KMUKPqhHcc7Q9","market":"us","size":322834},{"description":"GRAPHIC","seq":44,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img011.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img011.jpg","type":"GRAPHIC","id":"NTFILEFKAvqavGjzEBQo8a","market":"us","size":265268},{"description":"GRAPHIC","seq":45,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img012.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img012.jpg","type":"GRAPHIC","id":"NTFILErxWCKtHyv85K6DSZ","market":"us","size":157535},{"description":"GRAPHIC","seq":46,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img013.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img013.jpg","type":"GRAPHIC","id":"NTFILEAxtCuxqb1NZLLVyw","market":"us","size":306831},{"description":"GRAPHIC","seq":47,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img014.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img014.jpg","type":"GRAPHIC","id":"NTFILECaskb83MJj7iATC5","market":"us","size":132505},{"description":"GRAPHIC","seq":48,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img015.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img015.jpg","type":"GRAPHIC","id":"NTFILE8AaBgSqkToccWmr9","market":"us","size":213372},{"description":"GRAPHIC","seq":49,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img016.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img016.jpg","type":"GRAPHIC","id":"NTFILEB6A6DuhXVM3xs2mP","market":"us","size":176017},{"description":"GRAPHIC","seq":50,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img017.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img017.jpg","type":"GRAPHIC","id":"NTFILEHGx4pvoLxeWjDEbL","market":"us","size":293357},{"description":"GRAPHIC","seq":51,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img018.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img018.jpg","type":"GRAPHIC","id":"NTFILEHcKC9vRu29spFkS9","market":"us","size":267478},{"description":"GRAPHIC","seq":52,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img019.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img019.jpg","type":"GRAPHIC","id":"NTFILE3AE5dTgLUTyq3HeB","market":"us","size":188329},{"description":"GRAPHIC","seq":53,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img020.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img020.jpg","type":"GRAPHIC","id":"NTFILEEuJUSX59r8shS34j","market":"us","size":209363},{"description":"GRAPHIC","seq":54,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img021.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img021.jpg","type":"GRAPHIC","id":"NTFILE4MfuAxGsnHqnstoh","market":"us","size":283857},{"description":"GRAPHIC","seq":55,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img022.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img022.jpg","type":"GRAPHIC","id":"NTFILEBGvpTTS2YMRZZ1ie","market":"us","size":209798},{"description":"GRAPHIC","seq":56,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img023.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img023.jpg","type":"GRAPHIC","id":"NTFILE2YRUvMtx4BM7tv11","market":"us","size":118846},{"description":"GRAPHIC","seq":57,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img024.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img024.jpg","type":"GRAPHIC","id":"NTFILEGvHWjF3dYBSBuSci","market":"us","size":171586},{"description":"GRAPHIC","seq":58,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_ex99-3img025.jpg","primary":false,"translateUrl":null,"linkName":"tm2030937d1_ex99-3img025.jpg","type":"GRAPHIC","id":"NTFILE4Lj95aR2SC2yQH6i","market":"us","size":394468},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":59,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920105486/tm2030937d1_8k_htm.xml","primary":false,"translateUrl":null,"linkName":"tm2030937d1_8k_htm.xml","type":"XML","id":"NTFILEELttEc5gfnm3Fi7F","market":"us","size":3601}],"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":"2020-09-16 00:00","pubTimestamp":1600185600,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10374092","market":"us","labels":[],"media":"sec.gov","original_id":"AN155837020010545-VSTM","pdf_url":null,"pub_time":1597248000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"VSTM","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010545/0001558370-20-010545-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":"EX-101.SCH","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010545/vstm-20200811.xsd","primary":true,"translateUrl":null,"linkName":"vstm-20200811.xsd","type":"EX-101.SCH","id":"NTFILEEcnZn65ZVFMpeffA","market":"us","size":3209},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010545/vstm-20200811x8k.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200811x8k.htm","type":"8-K","id":"NTFILENj91PupTePzLNcPk","market":"us","size":37380},{"description":"EX-101.LAB","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010545/vstm-20200811_lab.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200811_lab.xml","type":"EX-101.LAB","id":"NTFILE5c2e7KeRwPV6ihxC","market":"us","size":16166},{"description":"EX-101.PRE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010545/vstm-20200811_pre.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200811_pre.xml","type":"EX-101.PRE","id":"NTFILE4FvVgqQDoN8HDix1","market":"us","size":10940},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010545/vstm-20200811x8k_htm.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200811x8k_htm.xml","type":"XML","id":"NTFILE75zKuQH5Kd8Q5FgE","market":"us","size":4854}],"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":"2020-08-13 00:00","pubTimestamp":1597248000,"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":"10242837","market":"us","labels":[],"media":"sec.gov","original_id":"AN155837020010090-VSTM","pdf_url":null,"pub_time":1596988800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"VSTM","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/0001558370-20-010090-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/vstm-20200630x10q.htm","primary":true,"translateUrl":null,"linkName":"vstm-20200630x10q.htm","type":"10-Q","id":"NTFILE2wmT48k1Erv4QNB1","market":"us","size":1695506},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/vstm-20200630xex31d1.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200630xex31d1.htm","type":"EX-31.1","id":"NTFILE7Te9buUtzAXv51FC","market":"us","size":13273},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/vstm-20200630xex31d2.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200630xex31d2.htm","type":"EX-31.2","id":"NTFILEV8iDS6KxUyPxjbBx","market":"us","size":13646},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/vstm-20200630xex32d1.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200630xex32d1.htm","type":"EX-32.1","id":"NTFILEBNfNPZgbxX4vCQ12","market":"us","size":7925},{"description":"EX-32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/vstm-20200630xex32d2.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200630xex32d2.htm","type":"EX-32.2","id":"NTFILEEttnAE5iQm58aMHF","market":"us","size":8019},{"description":"EX-101.SCH","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/vstm-20200630.xsd","primary":false,"translateUrl":null,"linkName":"vstm-20200630.xsd","type":"EX-101.SCH","id":"NTFILEBsj34poY232rcPXg","market":"us","size":64679},{"description":"EX-101.CAL","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/vstm-20200630_cal.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200630_cal.xml","type":"EX-101.CAL","id":"NTFILE6Jwz8ePgCtv5YVee","market":"us","size":63632},{"description":"EX-101.DEF","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/vstm-20200630_def.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200630_def.xml","type":"EX-101.DEF","id":"NTFILEB91XMHqcUUvVdUH3","market":"us","size":259855},{"description":"EX-101.LAB","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/vstm-20200630_lab.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200630_lab.xml","type":"EX-101.LAB","id":"NTFILEFBfKDNbcTrzibuyc","market":"us","size":603969},{"description":"EX-101.PRE","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/vstm-20200630_pre.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200630_pre.xml","type":"EX-101.PRE","id":"NTFILEFQKt28wPpxjnfti5","market":"us","size":443824},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/vstm-20200630x10q_htm.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200630x10q_htm.xml","type":"XML","id":"NTFILE7gibfGJgzgPpKK4L","market":"us","size":1450735}],"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":[{"id":26785,"name":"CONDENSED CONSOLIDATED BALANCE SHEETS","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":26786,"name":"CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":26787,"name":"CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":26788,"name":"CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":26789,"name":"CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":26790,"name":"CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS","name_zh":"简明综合现金流量表","url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020010090/R7.htm","cdn_url":"https://static.tigerbbs.com/b22b7a1a2f896a5e3e3f249a4fd099e3","translation_url":"https://static.tigerbbs.com/c1a8ec3bab173c87ce865f2fc6b2350f","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-08-10 00:00","pubTimestamp":1596988800,"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":"10241970","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465920092436-VSTM","pdf_url":null,"pub_time":1596988800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"VSTM","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/0001104659-20-092436-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-1.htm","primary":true,"translateUrl":null,"linkName":"tm2026900d2_ex99-1.htm","type":"EX-99.1","id":"NTFILED6THMRwfX7wviDoD","market":"us","size":33747},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900-2_8k.htm","primary":false,"translateUrl":null,"linkName":"tm2026900-2_8k.htm","type":"8-K","id":"NTFILE3DHtU4kDECoMzxui","market":"us","size":27750},{"description":"EXHIBIT 99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-2.htm","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-2.htm","type":"EX-99.2","id":"NTFILEEGjtwLLgTVk7W5tE","market":"us","size":131872},{"description":"EXHIBIT 99.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3.htm","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3.htm","type":"EX-99.3","id":"NTFILEDqAS2whvihbajSFb","market":"us","size":48834},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/vstm-20200810.xsd","primary":false,"translateUrl":null,"linkName":"vstm-20200810.xsd","type":"EX-101.SCH","id":"NTFILE76KUtCtaV5frEKGF","market":"us","size":3186},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/vstm-20200810_lab.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200810_lab.xml","type":"EX-101.LAB","id":"NTFILEAeGxeT4GqbYjndE1","market":"us","size":34591},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/vstm-20200810_pre.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200810_pre.xml","type":"EX-101.PRE","id":"NTFILEFZDVtoE6tbgYhnac","market":"us","size":22710},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-1img001.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-1img001.jpg","type":"GRAPHIC","id":"NTFILEGxuqPQ2AdMRs8moV","market":"us","size":7206},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-2img001.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-2img001.jpg","type":"GRAPHIC","id":"NTFILEH5ZdtDegf3GA6aZb","market":"us","size":16737},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img001.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img001.jpg","type":"GRAPHIC","id":"NTFILEEVofD4uSqzNEfjw7","market":"us","size":85170},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img002.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img002.jpg","type":"GRAPHIC","id":"NTFILE97AtgMuYztNxY435","market":"us","size":130189},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img003.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img003.jpg","type":"GRAPHIC","id":"NTFILE6ADcrrbHPcXghEY7","market":"us","size":97355},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img004.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img004.jpg","type":"GRAPHIC","id":"NTFILE3JYRoZsweBi1nH9N","market":"us","size":109040},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img005.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img005.jpg","type":"GRAPHIC","id":"NTFILE476xaDHkfGFYvWDf","market":"us","size":120241},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img006.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img006.jpg","type":"GRAPHIC","id":"NTFILEHSnrGbJ14XmGCPSJ","market":"us","size":89573},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img007.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img007.jpg","type":"GRAPHIC","id":"NTFILE7zy64PimtdukqY83","market":"us","size":117122},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img008.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img008.jpg","type":"GRAPHIC","id":"NTFILEC5T7tEK2iDi9b3fN","market":"us","size":97101},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img009.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img009.jpg","type":"GRAPHIC","id":"NTFILEH47Hi9nm6u3cRDWg","market":"us","size":105352},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img010.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img010.jpg","type":"GRAPHIC","id":"NTFILE67YULiBgMV43tZFG","market":"us","size":103482},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img011.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img011.jpg","type":"GRAPHIC","id":"NTFILEE9LG1FMH6iSw8axX","market":"us","size":81225},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img012.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img012.jpg","type":"GRAPHIC","id":"NTFILE9Lno8DaVJhhRKT6e","market":"us","size":99356},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img013.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img013.jpg","type":"GRAPHIC","id":"NTFILE7sZVdHQyTdNzaEtV","market":"us","size":83568},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img014.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img014.jpg","type":"GRAPHIC","id":"NTFILEGz1ot7uRSKgbahkB","market":"us","size":114239},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img015.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img015.jpg","type":"GRAPHIC","id":"NTFILE9GC8sCHyAJUWxoBQ","market":"us","size":114738},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img016.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img016.jpg","type":"GRAPHIC","id":"NTFILE6iwgNsY7obhHas2G","market":"us","size":123904},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img017.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img017.jpg","type":"GRAPHIC","id":"NTFILE8T1bnGz4jgRYU8fm","market":"us","size":83020},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img018.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img018.jpg","type":"GRAPHIC","id":"NTFILEHf1zGBTnbEjAQeHb","market":"us","size":85365},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img019.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img019.jpg","type":"GRAPHIC","id":"NTFILEGPChMGHUC7jTCEJ9","market":"us","size":80264},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img020.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img020.jpg","type":"GRAPHIC","id":"NTFILEFLexQsL4ckUTbxz5","market":"us","size":77193},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img021.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img021.jpg","type":"GRAPHIC","id":"NTFILEFoj6wVwnvRb4CqCi","market":"us","size":98071},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img022.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img022.jpg","type":"GRAPHIC","id":"NTFILE4LJPpUR4os3sHaih","market":"us","size":92048},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img023.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img023.jpg","type":"GRAPHIC","id":"NTFILEggVY338eRVYbwMMP","market":"us","size":116870},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img024.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img024.jpg","type":"GRAPHIC","id":"NTFILE8AfXFwptPLxKTe1j","market":"us","size":106416},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img025.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img025.jpg","type":"GRAPHIC","id":"NTFILE2VT4zDyxCEssrFWW","market":"us","size":82735},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img026.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img026.jpg","type":"GRAPHIC","id":"NTFILEF8qoKPm9uqpSNt35","market":"us","size":111944},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img027.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img027.jpg","type":"GRAPHIC","id":"NTFILEGNCGkNdyEkYU3PMd","market":"us","size":112342},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img028.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img028.jpg","type":"GRAPHIC","id":"NTFILE2zTzXRqDynTrn2rM","market":"us","size":96148},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img029.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img029.jpg","type":"GRAPHIC","id":"NTFILE76uSvKZRNfGAYYpD","market":"us","size":97950},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img030.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img030.jpg","type":"GRAPHIC","id":"NTFILEAextev6XWHPeHcaq","market":"us","size":68359},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img031.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img031.jpg","type":"GRAPHIC","id":"NTFILE7r3jNxcza3mVighe","market":"us","size":97097},{"description":"GRAPHIC","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img032.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img032.jpg","type":"GRAPHIC","id":"NTFILEFLGaio4Ry1TrkdcQ","market":"us","size":62105},{"description":"GRAPHIC","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900d2_ex99-3img033.jpg","primary":false,"translateUrl":null,"linkName":"tm2026900d2_ex99-3img033.jpg","type":"GRAPHIC","id":"NTFILEFBtqC2qtk7PAmgDk","market":"us","size":97057},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":43,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920092436/tm2026900-2_8k_htm.xml","primary":false,"translateUrl":null,"linkName":"tm2026900-2_8k_htm.xml","type":"XML","id":"NTFILECQ8UqLX8HP3czCgQ","market":"us","size":3601}],"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":"2020-08-10 00:00","pubTimestamp":1596988800,"title_zh":"8-K  - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10153744","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465920082746-VSTM","pdf_url":null,"pub_time":1594310400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"VSTM","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920082746/0001104659-20-082746-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1346824/000110465920082746/tm2024564-3_sc13ga.htm","primary":true,"translateUrl":null,"linkName":"tm2024564-3_sc13ga.htm","type":"SC 13G/A","id":"NTFILECd4c7zFx9ZNwQ9VU","market":"us","size":52205}],"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":"2020-07-10 00:00","pubTimestamp":1594310400,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9781732","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465920068924-VSTM","pdf_url":null,"pub_time":1591027200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8  - Securities to be offered to employees in employee benefit plans","symbol":"VSTM","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/1526119/000110465920068924/0001104659-20-068924-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":"FORM S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920068924/tm2021555d1_s8.htm","primary":true,"translateUrl":null,"linkName":"tm2021555d1_s8.htm","type":"S-8","id":"NTFILE674qJMdaiuAnaFk5","market":"us","size":44183},{"description":"EXHIBIT 5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920068924/tm2021555d1_ex5-1.htm","primary":false,"translateUrl":null,"linkName":"tm2021555d1_ex5-1.htm","type":"EX-5.1","id":"NTFILEFAQM4B75Qe9ZRxoC","market":"us","size":5338},{"description":"EXHIBIT 23.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920068924/tm2021555d1_ex23-2.htm","primary":false,"translateUrl":null,"linkName":"tm2021555d1_ex23-2.htm","type":"EX-23.2","id":"NTFILEDtbABFF17qBLvWFe","market":"us","size":2181},{"description":"GRAPHIC","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920068924/tm2021555d1_ex5-1img001.jpg","primary":false,"translateUrl":null,"linkName":"tm2021555d1_ex5-1img001.jpg","type":"GRAPHIC","id":"NTFILEG6bFwqMFYjJQtmXy","market":"us","size":4514}],"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":"2020-06-02 00:00","pubTimestamp":1591027200,"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":"9740696","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465920064756-VSTM","pdf_url":null,"pub_time":1589990400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"VSTM","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920064756/0001104659-20-064756-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year\nItem 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 3.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920064756/tm2020393d1_ex3-1.htm","primary":true,"translateUrl":null,"linkName":"tm2020393d1_ex3-1.htm","type":"EX-3.1","id":"NTFILE2iEUsn7HZirhRSAB","market":"us","size":5166},{"description":"FORM 8K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920064756/tm2020393-1_8k.htm","primary":false,"translateUrl":null,"linkName":"tm2020393-1_8k.htm","type":"8-K","id":"NTFILE9SvXmaEeC4kwyz9K","market":"us","size":23378},{"description":"EXHIBIT 10.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000110465920064756/tm2020393d1_ex10-1.htm","primary":false,"translateUrl":null,"linkName":"tm2020393d1_ex10-1.htm","type":"EX-10.1","id":"NTFILEBn3jMZ7dT9nf91nE","market":"us","size":69583}],"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":"2020-05-21 00:00","pubTimestamp":1589990400,"title_zh":"8-K  - Current report","summary_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year\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":"9696183","market":"us","labels":[],"media":"sec.gov","original_id":"AN155837020005727-VSTM","pdf_url":null,"pub_time":1588780800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"VSTM","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/0001558370-20-005727-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331x10q.htm","primary":true,"translateUrl":null,"linkName":"vstm-20200331x10q.htm","type":"10-Q","id":"NTFILEHgh2tY2uhjgRR1ya","market":"us","size":1493230},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331ex1013168a7.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200331ex1013168a7.htm","type":"EX-10.1","id":"NTFILEAryuATLVk2SyjdDe","market":"us","size":540530},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331ex1022493f2.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200331ex1022493f2.htm","type":"EX-10.2","id":"NTFILEDyuMuy7ua7WmRtVU","market":"us","size":39336},{"description":"EX-10.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331ex103628cce.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200331ex103628cce.htm","type":"EX-10.3","id":"NTFILE7LoCPUf259GYbtjG","market":"us","size":48267},{"description":"EX-10.4","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331ex104061e20.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200331ex104061e20.htm","type":"EX-10.4","id":"NTFILE3qr2TKy938EMVspW","market":"us","size":55890},{"description":"EX-10.5","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331ex105d30e8f.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200331ex105d30e8f.htm","type":"EX-10.5","id":"NTFILE7eFbXZdMJW7v6fEE","market":"us","size":48320},{"description":"EX-10.6","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331ex1066b7869.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200331ex1066b7869.htm","type":"EX-10.6","id":"NTFILEDiEC2znfhwp4VJre","market":"us","size":58091},{"description":"EX-31.1","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331ex311dc6703.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200331ex311dc6703.htm","type":"EX-31.1","id":"NTFILE5FnTBMupY9ULCuHE","market":"us","size":16372},{"description":"EX-31.2","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331ex31233bd0b.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200331ex31233bd0b.htm","type":"EX-31.2","id":"NTFILE6Bsx974nWb9pn6HV","market":"us","size":16660},{"description":"EX-32.1","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331ex3217e2c4d.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200331ex3217e2c4d.htm","type":"EX-32.1","id":"NTFILEFjhBKiiydE78JC1a","market":"us","size":8544},{"description":"EX-32.2","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331ex322eaf1b6.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200331ex322eaf1b6.htm","type":"EX-32.2","id":"NTFILEAJA9gGwPeiqizpwB","market":"us","size":8815},{"description":"EX-99.1","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331ex9914fa07b.htm","primary":false,"translateUrl":null,"linkName":"vstm-20200331ex9914fa07b.htm","type":"EX-99.1","id":"NTFILEC2cmypvEdVnBFa4B","market":"us","size":276947},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm20200331ex9914fa07b001.jpg","primary":false,"translateUrl":null,"linkName":"vstm20200331ex9914fa07b001.jpg","type":"GRAPHIC","id":"NTFILE72kZcd5RULL8oiLf","market":"us","size":30652},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm20200331ex9914fa07b002.jpg","primary":false,"translateUrl":null,"linkName":"vstm20200331ex9914fa07b002.jpg","type":"GRAPHIC","id":"NTFILEDMAbnaVHTXYDU2i9","market":"us","size":29648},{"description":"EX-101.INS","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200331.xml","type":"EX-101.INS","id":"NTFILEAsYnjHTNCfQjKzFj","market":"us","size":1571861},{"description":"EX-101.SCH","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331.xsd","primary":false,"translateUrl":null,"linkName":"vstm-20200331.xsd","type":"EX-101.SCH","id":"NTFILEBqZj1nBXFh7FU85d","market":"us","size":61772},{"description":"EX-101.CAL","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331_cal.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200331_cal.xml","type":"EX-101.CAL","id":"NTFILE2UtWZxWQ3oCvjQ1t","market":"us","size":62096},{"description":"EX-101.DEF","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331_def.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200331_def.xml","type":"EX-101.DEF","id":"NTFILEGstHbEw7BwuXMiHu","market":"us","size":241132},{"description":"EX-101.LAB","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331_lab.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200331_lab.xml","type":"EX-101.LAB","id":"NTFILEDv5jiy6RhdXg2792","market":"us","size":568184},{"description":"EX-101.PRE","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/vstm-20200331_pre.xml","primary":false,"translateUrl":null,"linkName":"vstm-20200331_pre.xml","type":"EX-101.PRE","id":"NTFILE7kRUeZL7wpZpxu8E","market":"us","size":416060}],"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":[{"id":4378,"name":"CONDENSED CONSOLIDATED BALANCE SHEETS","name_zh":"简明综合资产负债表","url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/R2.htm","cdn_url":"https://static.tigerbbs.com/16ff08946c5ed54476bff5b1592da057","translation_url":"https://static.tigerbbs.com/5b95862eed426521de41ed2969fad056","translate_status":1},{"id":4379,"name":"CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)","name_zh":"简明综合资产负债表（括号内）","url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/R3.htm","cdn_url":"https://static.tigerbbs.com/6f692e32990d496ed762195eea653e8b","translation_url":"https://static.tigerbbs.com/9d47e9f7731b787bd6a429bcb499fe40","translate_status":1},{"id":4380,"name":"CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS","name_zh":"简明综合经营及综合亏损报表","url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/R4.htm","cdn_url":"https://static.tigerbbs.com/885266eba93f367ea4f04c7c2c47e699","translation_url":"https://static.tigerbbs.com/0bc3d084f8b4ba3c12e9249202c94ff3","translate_status":1},{"id":4381,"name":"CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY","name_zh":"简明合并股东报表？？？ 公平性","url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/R5.htm","cdn_url":"https://static.tigerbbs.com/6c287d752387690512644ed766bf9961","translation_url":"https://static.tigerbbs.com/5b05deb455808178f8b9759b797e5549","translate_status":1},{"id":4382,"name":"CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY (Parenthetical)","name_zh":"简明合并股东报表？？？ 股本（括号内）","url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/R6.htm","cdn_url":"https://static.tigerbbs.com/d1c867dccd64604b9aac8d7fdf4b800b","translation_url":"https://static.tigerbbs.com/b2c20d1625191b7f2ce778cd18c5c46f","translate_status":1},{"id":4383,"name":"CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS","name_zh":"简明综合现金流量表","url":"https://www.sec.gov/Archives/edgar/data/1526119/000155837020005727/R7.htm","cdn_url":"https://static.tigerbbs.com/e229a55bb17da6372721a0051cc19a69","translation_url":"https://static.tigerbbs.com/cf93387cedfe1af36026180527f0bc68","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-05-07 00:00","pubTimestamp":1588780800,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":13,"pageCount":9,"totalSize":242,"code":"91000000","status":"200"}]}}