Atara Biotherapeutics

9.57

-0.1300-1.34%

Volume:2K

Turnover:22.69K

Market Cap:96.06M

PE:-8.05

High:9.57

Open:9.57

Low:9.57

Close:9.70

52wk High:19.15

52wk Low:3.92

Shares:10.04M

Float Shares:4.73M

Volume Ratio:0.84

T/O Rate:0.05%

Dividend:- -

Dividend Rate:- -

EPS(TTM):-1.1889

EPS(LYR):2.57

ROE:-2014.86%

ROA:-24.14%

PB:-2.60

PE(LYR):3.72

Loading ...

Overview Company News Filings

Aug 09, 2021

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers HK | Online Trading in stocks, bonds & ETFS","description":"Discover Tiger Brokers HK, an online trading platform for stocks&ETFs, options&futures, bonds and crypto. Open an account to enjoy low commission trading today!","keywords":"tiger trading,tiger security,tiger broker hk,tigers co ltd,tiger trade hk,tiger brokers hk,stock broker,securities broker,online brokerage,hong kong broker,hk broker,online stock trading,online trading platform,stock trading platforms,trading application,stock trading,stock trading hong kong,buying stocks in hong kong,tiger brokers","social":{"ogDescription":"Discover Tiger Brokers HK, an online trading platform for stocks&ETFs, options&futures, bonds and crypto. Open an account to enjoy low commission trading today!","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://www.gotigerhk.com/stock/ATRA/filings?page=10"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"HKG","license":"TBHK","edition":"fundamental","symbol":"ATRA","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"ATRA\",,,,,undefined,":{"symbol":"ATRA","market":"US","secType":"STK","nameCN":"Atara Biotherapeutics","latestPrice":9.57,"timestamp":1787579367183,"preClose":9.7,"halted":0,"volume":2371,"delay":0,"changeRate":-0.013402061855670002,"floatShares":4734800,"shares":10037700,"eps":-1.188906,"marketStatus":"Trading","change":-0.13,"latestTime":"08-24 09:53:42 EDT","open":9.57,"high":9.57,"low":9.57,"amount":22685.507497,"amplitude":0,"askPrice":9.76,"askSize":105,"bidPrice":9.15,"bidSize":2,"shortable":3,"etf":0,"ttmEps":-1.188906,"tradingStatus":2,"nextMarketStatus":{"tag":"Post-Mkt","tradingStatus":3,"beginTime":1787601600000},"marketStatusCode":2,"adr":0,"adrRate":0,"listingDate":1413432000000,"exchange":"NASDAQ","adjPreClose":9.7,"preHourTrading":{"tag":"盘前","latestPrice":9.2175,"preClose":9.7,"latestTime":"08:52 EDT","volume":159,"amount":1509.015576,"timestamp":1787575935771,"change":-0.4825,"changeRate":-0.049742,"amplitude":0.126804},"postHourTrading":{"tag":"盘后","latestPrice":9.7,"preClose":9.7,"latestTime":"19:30 EDT","volume":24,"amount":232.8,"timestamp":1787355005085,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":0.838092,"impliedVol":0.0156,"impliedVolPercentile":0},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"ATRA\",,,,,undefined,":{"symbol":"ATRA","floatShares":4734800,"roa":"-24.14%","roe":"-2014.86%","lyrEps":2.57,"volumeRatio":0.838092,"shares":10037700,"dividePrice":0,"high":9.57,"amplitude":0,"preClose":9.7,"low":9.57,"week52Low":3.92,"pbRate":"-2.60","psRate":"15.51","week52High":19.145,"institutionHeld":0,"latestPrice":9.57,"committee":-0.962617,"eps":-1.188906,"divideRate":0,"volume":2371,"delay":0,"ttmEps":-1.188906,"open":9.57,"prevYearClose":18.09,"prevWeekClose":9.7,"prevMonthClose":8.38,"prevQuarterClose":11.48,"fiveDayClose":8.36,"twentyDayClose":7.71,"sixtyDayClose":11.26},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/ATRA\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-08-12","symbol":"ATRA","fiscalQuarterEnding":"2026/06","expectedEps":null,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1786507200000,"reportTimeType":"post","actualEps":-0.32},{"market":"US","date":"2026-05-12","symbol":"ATRA","fiscalQuarterEnding":"2026/03","expectedEps":null,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1778558400000,"reportTimeType":"post","actualEps":-0.29},{"market":"US","date":"2026-03-16","symbol":"ATRA","fiscalQuarterEnding":"2025/12","expectedEps":-0.09,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1773633600000,"reportTimeType":"post","actualEps":-0.25},{"market":"US","date":"2025-11-12","symbol":"ATRA","fiscalQuarterEnding":"2025/09","expectedEps":-0.83,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1762923600000,"reportTimeType":"pre","actualEps":-0.32},{"market":"US","date":"2025-08-11","symbol":"ATRA","fiscalQuarterEnding":"2025/06","expectedEps":null,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1754884800000,"reportTimeType":"post","actualEps":0.19}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"ATRA\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"ATRA\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0,"buy":0.75,"hold":0.25,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.75,"analysts":4,"updateTime":1779163200000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/ATRA\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"ATRA","date":"2026-08-21","current":-8.158761,"percent":0.052373,"low":-11.087832,"twenty":-2.991177,"median":-0.747434,"eighty":-0.209639,"high":28.522215,"avg":-0.5199,"sd":4.902651,"marketCap":94153719},"quantilePoints":[{"date":"2021-08-27","current":-3.920713,"twenty":-10.869994,"median":-6.133353,"eighty":-3.1569,"marketCap":1245935999},{"date":"2021-09-03","current":-4.150088,"twenty":-10.808757,"median":-6.084516,"eighty":-3.1569,"marketCap":1318827493},{"date":"2021-09-10","current":-4.182094,"twenty":-10.771656,"median":-6.058582,"eighty":-3.1569,"marketCap":1328998399},{"date":"2021-09-17","current":-4.28878,"twenty":-10.72894,"median":-6.026645,"eighty":-3.1569,"marketCap":1362901420},{"date":"2021-09-24","current":-4.534158,"twenty":-10.669988,"median":-5.968492,"eighty":-3.1569,"marketCap":1440878367},{"date":"2021-10-01","current":-4.667516,"twenty":-10.577989,"median":-5.929441,"eighty":-3.1569,"marketCap":1483257142},{"date":"2021-10-08","current":-4.547494,"twenty":-10.545918,"median":-5.900924,"eighty":-3.1569,"marketCap":1445116244},{"date":"2021-10-15","current":-4.032734,"twenty":-10.489134,"median":-5.768077,"eighty":-3.1569,"marketCap":1281534171},{"date":"2021-10-22","current":-4.275444,"twenty":-10.423167,"median":-5.72307,"eighty":-3.1569,"marketCap":1358663542},{"date":"2021-10-29","current":-4.128751,"twenty":-10.423167,"median":-5.648136,"eighty":-3.1569,"marketCap":1312046889},{"date":"2021-11-05","current":-4.896522,"twenty":-10.423167,"median":-5.552729,"eighty":-3.1569,"marketCap":1606543903},{"date":"2021-11-12","current":-4.748306,"twenty":-10.393396,"median":-5.480725,"eighty":-3.1569,"marketCap":1557914341},{"date":"2021-11-19","current":-4.931555,"twenty":-10.312261,"median":-5.443441,"eighty":-3.1569,"marketCap":1618038163},{"date":"2021-11-26","current":-4.734831,"twenty":-10.248252,"median":-5.423247,"eighty":-3.1569,"marketCap":1553493472},{"date":"2021-12-03","current":-4.605479,"twenty":-10.167865,"median":-5.406157,"eighty":-3.1569,"marketCap":1511053126},{"date":"2021-12-10","current":-4.306352,"twenty":-10.114867,"median":-5.351009,"eighty":-3.1569,"marketCap":1412909828},{"date":"2021-12-17","current":-4.082681,"twenty":-10.070909,"median":-5.312947,"eighty":-3.1569,"marketCap":1339523397},{"date":"2021-12-23","current":-4.664766,"twenty":-10.000377,"median":-5.275664,"eighty":-3.1569,"marketCap":1530504951},{"date":"2021-12-31","current":-4.247066,"twenty":-10.000377,"median":-5.219738,"eighty":-3.1569,"marketCap":1393458003},{"date":"2022-01-07","current":-4.233591,"twenty":-9.989866,"median":-5.175187,"eighty":-3.157132,"marketCap":1389037134},{"date":"2022-01-14","current":-4.330606,"twenty":-9.961007,"median":-5.113595,"eighty":-3.157132,"marketCap":1420867393},{"date":"2022-01-21","current":-3.770079,"twenty":-9.961007,"median":-5.071783,"eighty":-3.157132,"marketCap":1236959230},{"date":"2022-01-28","current":-4.00453,"twenty":-9.961007,"median":-5.02065,"eighty":-3.157132,"marketCap":1313882355},{"date":"2022-02-04","current":-3.937159,"twenty":-9.961007,"median":-4.985734,"eighty":-3.157132,"marketCap":1291778009},{"date":"2022-02-11","current":-3.923685,"twenty":-9.933161,"median":-4.899216,"eighty":-3.157132,"marketCap":1287357140},{"date":"2022-02-18","current":-3.535628,"twenty":-9.927271,"median":-4.85142,"eighty":-3.157132,"marketCap":1160036104},{"date":"2022-02-25","current":-3.554492,"twenty":-9.927271,"median":-4.812982,"eighty":-3.157132,"marketCap":1166225321},{"date":"2022-03-04","current":-2.422273,"twenty":-9.860817,"median":-4.763948,"eighty":-3.145245,"marketCap":823914459},{"date":"2022-03-11","current":-2.468803,"twenty":-9.73795,"median":-4.724052,"eighty":-3.133131,"marketCap":839741064},{"date":"2022-03-18","current":-2.679554,"twenty":-9.667125,"median":-4.687497,"eighty":-3.109901,"marketCap":911426277},{"date":"2022-03-25","current":-2.57281,"twenty":-9.496312,"median":-4.664638,"eighty":-3.078143,"marketCap":875118182},{"date":"2022-04-01","current":-2.60018,"twenty":-9.41974,"median":-4.650041,"eighty":-3.058063,"marketCap":884427950},{"date":"2022-04-08","current":-2.39764,"twenty":-9.353968,"median":-4.632345,"eighty":-3.037531,"marketCap":815535668},{"date":"2022-04-14","current":-2.192363,"twenty":-9.235675,"median":-4.615216,"eighty":-3.013211,"marketCap":745712408},{"date":"2022-04-22","current":-1.987085,"twenty":-9.061426,"median":-4.585788,"eighty":-2.977344,"marketCap":675889149},{"date":"2022-04-29","current":-1.746512,"twenty":-8.896503,"median":-4.549538,"eighty":-2.960311,"marketCap":594060417},{"date":"2022-05-06","current":-1.847234,"twenty":-8.821896,"median":-4.512962,"eighty":-2.938752,"marketCap":646367623},{"date":"2022-05-13","current":-1.462839,"twenty":-8.821896,"median":-4.472701,"eighty":-2.903427,"marketCap":511863378},{"date":"2022-05-20","current":-1.377418,"twenty":-8.821896,"median":-4.404765,"eighty":-2.878693,"marketCap":481973546},{"date":"2022-05-27","current":-1.390765,"twenty":-8.821896,"median":-4.383385,"eighty":-2.835056,"marketCap":486643832},{"date":"2022-06-03","current":-1.372079,"twenty":-8.821896,"median":-4.349289,"eighty":-2.792124,"marketCap":480105431},{"date":"2022-06-10","current":-1.393434,"twenty":-8.821896,"median":-4.331031,"eighty":-2.759282,"marketCap":487577889},{"date":"2022-06-17","current":-1.566946,"twenty":-8.821896,"median":-4.3029,"eighty":-2.720678,"marketCap":548291611},{"date":"2022-06-24","current":-1.951342,"twenty":-8.825822,"median":-4.279404,"eighty":-2.710028,"marketCap":682795857},{"date":"2022-07-01","current":-2.215613,"twenty":-8.825822,"median":-4.240771,"eighty":-2.699115,"marketCap":775267525},{"date":"2022-07-08","current":-2.269002,"twenty":-8.825822,"median":-4.23277,"eighty":-2.692806,"marketCap":793948671},{"date":"2022-07-15","current":-1.027724,"twenty":-8.825822,"median":-4.220117,"eighty":-2.681196,"marketCap":359612045},{"date":"2022-07-22","current":-0.859551,"twenty":-8.825822,"median":-4.202286,"eighty":-2.667105,"marketCap":300766437},{"date":"2022-07-29","current":-0.808832,"twenty":-8.825822,"median":-4.195117,"eighty":-2.649754,"marketCap":283019349},{"date":"2022-08-05","current":-0.918278,"twenty":-8.825822,"median":-4.182094,"eighty":-2.635005,"marketCap":321315697},{"date":"2022-08-12","current":-2.225203,"twenty":-8.825822,"median":-4.160831,"eighty":-2.626804,"marketCap":551075948},{"date":"2022-08-19","current":-1.695574,"twenty":-8.825822,"median":-4.129681,"eighty":-2.60747,"marketCap":419912324},{"date":"2022-08-26","current":-1.535542,"twenty":-8.825822,"median":-4.101544,"eighty":-2.597817,"marketCap":380280149},{"date":"2022-09-02","current":-1.63461,"twenty":-8.825822,"median":-4.083409,"eighty":-2.592697,"marketCap":404814352},{"date":"2022-09-09","current":-1.836554,"twenty":-8.825822,"median":-4.054071,"eighty":-2.58627,"marketCap":454826382},{"date":"2022-09-16","current":-1.539353,"twenty":-8.825822,"median":-4.046641,"eighty":-2.572757,"marketCap":381223772},{"date":"2022-09-23","current":-1.261202,"twenty":-8.825822,"median":-4.034173,"eighty":-2.562107,"marketCap":312339279},{"date":"2022-09-30","current":-1.440285,"twenty":-8.825822,"median":-4.02629,"eighty":-2.553014,"marketCap":356689569},{"date":"2022-10-07","current":-1.455527,"twenty":-8.825822,"median":-4.002781,"eighty":-2.545795,"marketCap":360464062},{"date":"2022-10-14","current":-1.421234,"twenty":-8.825822,"median":-3.995393,"eighty":-2.540489,"marketCap":351971453},{"date":"2022-10-21","current":-1.611748,"twenty":-8.825822,"median":-3.974887,"eighty":-2.529966,"marketCap":399152613},{"date":"2022-10-28","current":-1.840365,"twenty":-8.825822,"median":-3.97015,"eighty":-2.523716,"marketCap":455770005},{"date":"2022-11-04","current":-1.809882,"twenty":-8.825822,"median":-3.938659,"eighty":-2.510716,"marketCap":448221020},{"date":"2022-11-11","current":-1.969927,"twenty":-8.825822,"median":-3.923874,"eighty":-2.503848,"marketCap":486727577},{"date":"2022-11-18","current":-1.639686,"twenty":-8.825822,"median":-3.917063,"eighty":-2.481817,"marketCap":405131920},{"date":"2022-11-25","current":-1.605126,"twenty":-8.825822,"median":-3.887367,"eighty":-2.461589,"marketCap":396592840},{"date":"2022-12-02","current":-1.827846,"twenty":-8.825822,"median":-3.877774,"eighty":-2.44425,"marketCap":451622469},{"date":"2022-12-09","current":-1.708806,"twenty":-8.825822,"median":-3.869594,"eighty":-2.434311,"marketCap":422210081},{"date":"2022-12-16","current":-1.351685,"twenty":-8.825822,"median":-3.856314,"eighty":-2.416355,"marketCap":333972918},{"date":"2022-12-23","current":-1.148164,"twenty":-8.825822,"median":-3.841377,"eighty":-2.384785,"marketCap":283687223},{"date":"2022-12-30","current":-1.259524,"twenty":-8.825822,"median":-3.819878,"eighty":-2.361486,"marketCap":311202037},{"date":"2023-01-06","current":-1.344005,"twenty":-8.825822,"median":-3.795582,"eighty":-2.33702,"marketCap":332075345},{"date":"2023-01-13","current":-1.493765,"twenty":-8.806189,"median":-3.776876,"eighty":-2.31985,"marketCap":369078026},{"date":"2023-01-20","current":-1.493765,"twenty":-8.670225,"median":-3.755089,"eighty":-2.306771,"marketCap":369078026},{"date":"2023-01-27","current":-2.023687,"twenty":-8.527881,"median":-3.725394,"eighty":-2.249037,"marketCap":500010590},{"date":"2023-02-03","current":-1.985287,"twenty":-8.456709,"median":-3.706074,"eighty":-2.193457,"marketCap":490522723},{"date":"2023-02-10","current":-1.789944,"twenty":-8.325655,"median":-3.688814,"eighty":-2.164565,"marketCap":408647788},{"date":"2023-02-17","current":-1.899189,"twenty":-8.139454,"median":-3.676802,"eighty":-2.116898,"marketCap":433588733},{"date":"2023-02-24","current":-1.705909,"twenty":-7.980818,"median":-3.660604,"eighty":-2.097825,"marketCap":389462446},{"date":"2023-03-03","current":-1.51683,"twenty":-7.848516,"median":-3.644407,"eighty":-2.064257,"marketCap":346295426},{"date":"2023-03-10","current":-1.189094,"twenty":-7.749269,"median":-3.624165,"eighty":-2.023579,"marketCap":271472592},{"date":"2023-03-17","current":-1.268927,"twenty":-7.584484,"median":-3.613991,"eighty":-2.004345,"marketCap":289698667},{"date":"2023-03-24","current":-1.205901,"twenty":-7.424315,"median":-3.598514,"eighty":-1.981319,"marketCap":275309660},{"date":"2023-03-31","current":-1.218506,"twenty":-7.332537,"median":-3.576981,"eighty":-1.950996,"marketCap":278187461},{"date":"2023-04-06","current":-1.168086,"twenty":-7.250833,"median":-3.565524,"eighty":-1.931366,"marketCap":266676256},{"date":"2023-04-14","current":-1.147007,"twenty":-7.095359,"median":-3.554492,"eighty":-1.895669,"marketCap":261864077},{"date":"2023-04-21","current":-1.20203,"twenty":-6.843537,"median":-3.53085,"eighty":-1.881801,"marketCap":274425823},{"date":"2023-04-28","current":-1.091985,"twenty":-6.706248,"median":-3.504954,"eighty":-1.856762,"marketCap":249302332},{"date":"2023-05-05","current":-1.163937,"twenty":-6.56802,"median":-3.480711,"eighty":-1.840365,"marketCap":265729230},{"date":"2023-05-12","current":-1.033857,"twenty":-6.361412,"median":-3.454026,"eighty":-1.821747,"marketCap":222246265},{"date":"2023-05-19","current":-0.929736,"twenty":-6.139895,"median":-3.442088,"eighty":-1.815179,"marketCap":199863381},{"date":"2023-05-26","current":-0.875045,"twenty":-6.055923,"median":-3.422526,"eighty":-1.807132,"marketCap":188106712},{"date":"2023-06-02","current":-0.683629,"twenty":-5.972415,"median":-3.417493,"eighty":-1.796408,"marketCap":146958369},{"date":"2023-06-09","current":-0.856815,"twenty":-5.879816,"median":-3.396668,"eighty":-1.789676,"marketCap":184187822},{"date":"2023-06-16","current":-0.975311,"twenty":-5.581624,"median":-3.381734,"eighty":-1.783976,"marketCap":209660606},{"date":"2023-06-23","current":-0.79301,"twenty":-5.465771,"median":-3.368613,"eighty":-1.772542,"marketCap":170471708},{"date":"2023-06-30","current":-0.742877,"twenty":-5.351009,"median":-3.348699,"eighty":-1.754886,"marketCap":159694760},{"date":"2023-07-07","current":-0.756549,"twenty":-5.280135,"median":-3.341338,"eighty":-1.745214,"marketCap":162633928},{"date":"2023-07-14","current":-0.906948,"twenty":-5.218317,"median":-3.322513,"eighty":-1.737487,"marketCap":194964769},{"date":"2023-07-21","current":-0.943408,"twenty":-5.142475,"median":-3.317713,"eighty":-1.721059,"marketCap":202802549},{"date":"2023-07-28","current":-0.815797,"twenty":-5.072964,"median":-3.285578,"eighty":-1.708806,"marketCap":175370320},{"date":"2023-08-04","current":-1.052789,"twenty":-4.996638,"median":-3.251137,"eighty":-1.69489,"marketCap":226315888},{"date":"2023-08-11","current":-0.723719,"twenty":-4.931555,"median":-3.200735,"eighty":-1.674761,"marketCap":220402691},{"date":"2023-08-18","current":-0.53117,"twenty":-4.869573,"median":-3.195657,"eighty":-1.654632,"marketCap":161763443},{"date":"2023-08-25","current":-0.497971,"twenty":-4.821066,"median":-3.183328,"eighty":-1.639686,"marketCap":151653228},{"date":"2023-09-01","current":-0.484692,"twenty":-4.774202,"median":-3.151745,"eighty":-1.611748,"marketCap":147609141},{"date":"2023-09-08","current":-0.511251,"twenty":-4.729496,"median":-3.140344,"eighty":-1.607938,"marketCap":155697314},{"date":"2023-09-15","current":-0.507931,"twenty":-4.699522,"median":-3.124149,"eighty":-1.601286,"marketCap":154686292},{"date":"2023-09-22","current":-0.590926,"twenty":-4.67395,"median":-3.108419,"eighty":-1.593316,"marketCap":179961830},{"date":"2023-09-28","current":-0.504611,"twenty":-4.662137,"median":-3.078971,"eighty":-1.580843,"marketCap":153675271},{"date":"2023-10-06","current":-0.464773,"twenty":-4.639244,"median":-3.059334,"eighty":-1.569081,"marketCap":141543012},{"date":"2023-10-13","current":-0.501291,"twenty":-4.617653,"median":-3.042406,"eighty":-1.547838,"marketCap":152664249},{"date":"2023-10-20","current":-0.458134,"twenty":-4.601168,"median":-3.012055,"eighty":-1.527719,"marketCap":139520969},{"date":"2023-10-27","current":-0.444855,"twenty":-4.570108,"median":-2.997338,"eighty":-1.520301,"marketCap":135476883},{"date":"2023-11-03","current":-0.417875,"twenty":-4.529813,"median":-2.962163,"eighty":-1.513558,"marketCap":121287477},{"date":"2023-11-10","current":-0.084277,"twenty":-4.495251,"median":-2.940426,"eighty":-1.493765,"marketCap":24461340},{"date":"2023-11-17","current":-0.16873,"twenty":-4.413478,"median":-2.921482,"eighty":-1.481669,"marketCap":48973641},{"date":"2023-11-24","current":-0.228848,"twenty":-4.393647,"median":-2.888721,"eighty":-1.456989,"marketCap":66422730},{"date":"2023-12-01","current":-0.231763,"twenty":-4.379093,"median":-2.842011,"eighty":-1.44254,"marketCap":67268685},{"date":"2023-12-08","current":-0.244018,"twenty":-4.33972,"median":-2.814054,"eighty":-1.411487,"marketCap":70825771},{"date":"2023-12-15","current":-0.240331,"twenty":-4.325987,"median":-2.769832,"eighty":-1.390757,"marketCap":69755587},{"date":"2023-12-22","current":-0.15658,"twenty":-4.294133,"median":-2.726844,"eighty":-1.383131,"marketCap":45447131},{"date":"2023-12-29","current":-0.192609,"twenty":-4.272034,"median":-2.715933,"eighty":-1.377418,"marketCap":55904354},{"date":"2024-01-05","current":-0.158406,"twenty":-4.240771,"median":-2.709477,"eighty":-1.372079,"marketCap":45977126},{"date":"2024-01-12","current":-0.211642,"twenty":-4.228202,"median":-2.697965,"eighty":-1.353393,"marketCap":61428540},{"date":"2024-01-19","current":-0.256344,"twenty":-4.217437,"median":-2.687765,"eighty":-1.344005,"marketCap":74403242},{"date":"2024-01-26","current":-0.211782,"twenty":-4.202286,"median":-2.67941,"eighty":-1.329368,"marketCap":61469308},{"date":"2024-02-02","current":-0.291459,"twenty":-4.195117,"median":-2.660859,"eighty":-1.300005,"marketCap":84595467},{"date":"2024-02-09","current":-0.29002,"twenty":-4.182094,"median":-2.646508,"eighty":-1.291685,"marketCap":84177586},{"date":"2024-02-16","current":-0.270917,"twenty":-4.160831,"median":-2.632972,"eighty":-1.282447,"marketCap":78633015},{"date":"2024-02-23","current":-0.276395,"twenty":-4.139272,"median":-2.625813,"eighty":-1.268823,"marketCap":80223002},{"date":"2024-03-01","current":-0.273199,"twenty":-4.113941,"median":-2.609292,"eighty":-1.259524,"marketCap":79295510},{"date":"2024-03-08","current":-0.24451,"twenty":-4.096871,"median":-2.599298,"eighty":-1.248726,"marketCap":70968462},{"date":"2024-03-15","current":-0.221228,"twenty":-4.063564,"median":-2.592911,"eighty":-1.231854,"marketCap":64211017},{"date":"2024-03-22","current":-0.234923,"twenty":-4.047811,"median":-2.586167,"eighty":-1.205901,"marketCap":68185985},{"date":"2024-03-28","current":-0.258381,"twenty":-4.035832,"median":-2.57281,"eighty":-1.201699,"marketCap":71345575},{"date":"2024-04-05","current":-0.33669,"twenty":-4.026348,"median":-2.562067,"eighty":-1.172402,"marketCap":92968904},{"date":"2024-04-12","current":-0.308118,"twenty":-4.00453,"median":-2.553014,"eighty":-1.148164,"marketCap":85079259},{"date":"2024-04-19","current":-0.298997,"twenty":-3.995393,"median":-2.545736,"eighty":-1.142775,"marketCap":82560779},{"date":"2024-04-26","current":-0.302498,"twenty":-3.979799,"median":-2.542703,"eighty":-1.092047,"marketCap":83527589},{"date":"2024-05-03","current":-0.28359,"twenty":-3.973022,"median":-2.529966,"eighty":-1.040368,"marketCap":78306614},{"date":"2024-05-10","current":-0.281944,"twenty":-3.954644,"median":-2.525166,"eighty":-1.003567,"marketCap":65723128},{"date":"2024-05-17","current":-0.311802,"twenty":-3.930191,"median":-2.512284,"eighty":-0.982603,"marketCap":72683180},{"date":"2024-05-24","current":-0.335771,"twenty":-3.920713,"median":-2.504396,"eighty":-0.96729,"marketCap":78270489},{"date":"2024-05-31","current":-0.293515,"twenty":-3.909748,"median":-2.495593,"eighty":-0.957081,"marketCap":68420449},{"date":"2024-06-07","current":-0.29398,"twenty":-3.87899,"median":-2.463329,"eighty":-0.947966,"marketCap":68528824},{"date":"2024-06-14","current":-0.272491,"twenty":-3.87387,"median":-2.445213,"eighty":-0.934293,"marketCap":63519512},{"date":"2024-06-21","current":-0.183899,"twenty":-3.859231,"median":-2.440081,"eighty":-0.91424,"marketCap":42868140},{"date":"2024-06-28","current":-0.170675,"twenty":-3.857155,"median":-2.426207,"eighty":-0.902288,"marketCap":39785487},{"date":"2024-07-05","current":-0.15931,"twenty":-3.857155,"median":-2.411385,"eighty":-0.87778,"marketCap":37136332},{"date":"2024-07-12","current":-0.209727,"twenty":-3.857155,"median":-2.378874,"eighty":-0.870488,"marketCap":48888946},{"date":"2024-07-15","current":-0.21634,"twenty":-3.857155,"median":-2.374538,"eighty":-0.866842,"marketCap":50430273},{"date":"2024-08-02","current":-0.214893,"twenty":-3.869127,"median":-2.330398,"eighty":-0.847806,"marketCap":50093108},{"date":"2024-08-09","current":-0.158484,"twenty":-3.869127,"median":-2.311712,"eighty":-0.826735,"marketCap":36943667},{"date":"2024-08-16","current":-0.185419,"twenty":-3.869127,"median":-2.274615,"eighty":-0.792932,"marketCap":33569784},{"date":"2024-08-23","current":-0.193292,"twenty":-3.869127,"median":-2.225203,"eighty":-0.759089,"marketCap":34995148},{"date":"2024-08-30","current":-0.191663,"twenty":-3.869127,"median":-2.188256,"eighty":-0.735098,"marketCap":34700245},{"date":"2024-09-06","current":-0.271478,"twenty":-3.869127,"median":-2.145911,"eighty":-0.718621,"marketCap":49150490},{"date":"2024-09-13","current":-0.219354,"twenty":-3.869127,"median":-2.115116,"eighty":-0.671779,"marketCap":39713595},{"date":"2024-09-20","current":-0.248522,"twenty":-3.869127,"median":-2.079473,"eighty":-0.585614,"marketCap":44994415},{"date":"2024-09-27","current":-0.24006,"twenty":-3.869127,"median":-2.034689,"eighty":-0.537145,"marketCap":43462449},{"date":"2024-10-04","current":-0.225644,"twenty":-3.869127,"median":-2.007391,"eighty":-0.519882,"marketCap":40852432},{"date":"2024-10-11","current":-0.243821,"twenty":-3.869127,"median":-1.989127,"eighty":-0.509923,"marketCap":44143323},{"date":"2024-10-18","current":-0.293964,"twenty":-3.869127,"median":-1.969927,"eighty":-0.501291,"marketCap":53221641},{"date":"2024-10-25","current":-0.265132,"twenty":-3.869127,"median":-1.940468,"eighty":-0.497971,"marketCap":48001608},{"date":"2024-10-31","current":-0.300232,"twenty":-3.869127,"median":-1.903391,"eighty":-0.491332,"marketCap":54356431},{"date":"2024-11-08","current":-0.316529,"twenty":-3.869283,"median":-1.882185,"eighty":-0.469421,"marketCap":57306884},{"date":"2024-11-15","current":-0.54413,"twenty":-3.869283,"median":-1.868211,"eighty":-0.465679,"marketCap":72456328},{"date":"2024-11-22","current":-0.458929,"twenty":-3.869283,"median":-1.842868,"eighty":-0.460768,"marketCap":61110947},{"date":"2024-11-29","current":-0.526622,"twenty":-3.869283,"median":-1.8322,"eighty":-0.460768,"marketCap":70124956},{"date":"2024-12-06","current":-0.541112,"twenty":-3.869283,"median":-1.817505,"eighty":-0.460768,"marketCap":72054472},{"date":"2024-12-13","current":-0.473635,"twenty":-3.869283,"median":-1.809882,"eighty":-0.460768,"marketCap":63069262},{"date":"2024-12-20","current":-0.429516,"twenty":-3.869283,"median":-1.800357,"eighty":-0.453636,"marketCap":57194317},{"date":"2024-12-27","current":-0.561442,"twenty":-3.869283,"median":-1.790831,"eighty":-0.453636,"marketCap":74761555},{"date":"2025-01-03","current":-0.612482,"twenty":-3.869283,"median":-1.788234,"eighty":-0.453636,"marketCap":81558060},{"date":"2025-01-10","current":-0.714994,"twenty":-3.869438,"median":-1.7794,"eighty":-0.453313,"marketCap":95208667},{"date":"2025-01-17","current":-0.338682,"twenty":-3.869438,"median":-1.766681,"eighty":-0.450075,"marketCap":45098842},{"date":"2025-01-24","current":-0.299753,"twenty":-3.869438,"median":-1.748466,"eighty":-0.442936,"marketCap":39915067},{"date":"2025-01-31","current":-0.367229,"twenty":-3.869438,"median":-1.739526,"eighty":-0.42444,"marketCap":48900277},{"date":"2025-02-07","current":-0.454603,"twenty":-3.869438,"median":-1.728187,"eighty":-0.402612,"marketCap":60534972},{"date":"2025-02-14","current":-0.377178,"twenty":-3.869438,"median":-1.713007,"eighty":-0.385236,"marketCap":50225020},{"date":"2025-02-21","current":-0.325273,"twenty":-3.869438,"median":-1.701707,"eighty":-0.369404,"marketCap":43313320},{"date":"2025-02-28","current":-0.298023,"twenty":-3.869438,"median":-1.680233,"eighty":-0.364729,"marketCap":39684677},{"date":"2025-03-07","current":-0.29413,"twenty":-3.869594,"median":-1.658178,"eighty":-0.355551,"marketCap":39166300},{"date":"2025-03-14","current":-0.462652,"twenty":-3.869594,"median":-1.648593,"eighty":-0.355551,"marketCap":39511885},{"date":"2025-03-21","current":-0.462385,"twenty":-3.869594,"median":-1.648593,"eighty":-0.355551,"marketCap":39489046},{"date":"2025-03-28","current":-0.471989,"twenty":-3.869594,"median":-1.635562,"eighty":-0.355551,"marketCap":40309293},{"date":"2025-04-04","current":-0.40613,"twenty":-3.869594,"median":-1.611748,"eighty":-0.355551,"marketCap":34684741},{"date":"2025-04-11","current":-0.363596,"twenty":-3.869438,"median":-1.610347,"eighty":-0.356068,"marketCap":31052217},{"date":"2025-04-17","current":-0.400642,"twenty":-3.869438,"median":-1.6046,"eighty":-0.356068,"marketCap":34216028},{"date":"2025-04-25","current":-0.521383,"twenty":-3.869594,"median":-1.589311,"eighty":-0.355551,"marketCap":44527708},{"date":"2025-05-02","current":-0.518639,"twenty":-3.869594,"median":-1.56828,"eighty":-0.355551,"marketCap":44293352},{"date":"2025-05-09","current":-0.509035,"twenty":-3.869594,"median":-1.535542,"eighty":-0.355551,"marketCap":43473104},{"date":"2025-05-16","current":-2.850604,"twenty":-3.869594,"median":-1.520301,"eighty":-0.355551,"marketCap":44586297},{"date":"2025-05-23","current":-2.663311,"twenty":-3.869594,"median":-1.520301,"eighty":-0.355551,"marketCap":41656842},{"date":"2025-05-30","current":-2.972882,"twenty":-3.869594,"median":-1.520301,"eighty":-0.355551,"marketCap":46498849},{"date":"2025-06-06","current":-3.209188,"twenty":-3.869594,"median":-1.520301,"eighty":-0.355551,"marketCap":50194912},{"date":"2025-06-13","current":-3.319718,"twenty":-3.869594,"median":-1.520301,"eighty":-0.355551,"marketCap":51923715},{"date":"2025-06-20","current":-3.056733,"twenty":-3.870139,"median":-1.520301,"eighty":-0.355331,"marketCap":47810355},{"date":"2025-06-27","current":-3.030053,"twenty":-3.870139,"median":-1.520301,"eighty":-0.355331,"marketCap":47393058},{"date":"2025-07-03","current":-3.226339,"twenty":-3.870139,"median":-1.520301,"eighty":-0.355331,"marketCap":50463174},{"date":"2025-07-11","current":-3.613195,"twenty":-3.870139,"median":-1.520301,"eighty":-0.355331,"marketCap":56513986},{"date":"2025-07-18","current":-4.218755,"twenty":-3.877794,"median":-1.520301,"eighty":-0.355331,"marketCap":65985547},{"date":"2025-07-25","current":-5.313633,"twenty":-3.899391,"median":-1.520301,"eighty":-0.355331,"marketCap":83110530},{"date":"2025-08-01","current":-5.005155,"twenty":-3.921063,"median":-1.520301,"eighty":-0.355331,"marketCap":78285634},{"date":"2025-08-08","current":-4.761849,"twenty":-3.930868,"median":-1.520301,"eighty":-0.355331,"marketCap":74480082},{"date":"2025-08-15","current":13.743703,"twenty":-3.937459,"median":-1.513558,"eighty":-0.349195,"marketCap":79644760},{"date":"2025-08-22","current":13.925963,"twenty":-3.937459,"median":-1.493765,"eighty":-0.33554,"marketCap":80700957},{"date":"2025-08-29","current":14.980409,"twenty":-3.937459,"median":-1.482245,"eighty":-0.323584,"marketCap":86811473},{"date":"2025-09-05","current":15.513693,"twenty":-3.937759,"median":-1.459183,"eighty":-0.318266,"marketCap":89901849},{"date":"2025-09-12","current":14.738008,"twenty":-3.937459,"median":-1.447906,"eighty":-0.314998,"marketCap":85406757},{"date":"2025-09-19","current":14.628927,"twenty":-3.937459,"median":-1.414789,"eighty":-0.31238,"marketCap":84774634},{"date":"2025-09-26","current":16.76206,"twenty":-3.937459,"median":-1.390765,"eighty":-0.309994,"marketCap":97136139},{"date":"2025-10-03","current":17.549865,"twenty":-3.937459,"median":-1.383131,"eighty":-0.307239,"marketCap":101701467},{"date":"2025-10-10","current":19.489076,"twenty":-3.937459,"median":-1.377418,"eighty":-0.301349,"marketCap":112939198},{"date":"2025-10-17","current":18.47705,"twenty":-3.937459,"median":-1.367045,"eighty":-0.299621,"marketCap":107074507},{"date":"2025-10-24","current":17.113542,"twenty":-3.937459,"median":-1.347845,"eighty":-0.298408,"marketCap":99172977},{"date":"2025-10-31","current":17.022642,"twenty":-3.937459,"median":-1.334707,"eighty":-0.294531,"marketCap":98646209},{"date":"2025-11-07","current":14.325926,"twenty":-3.937459,"median":-1.310945,"eighty":-0.293494,"marketCap":83018739},{"date":"2025-11-14","current":16.228777,"twenty":-3.924842,"median":-1.291996,"eighty":-0.290418,"marketCap":94045762},{"date":"2025-11-21","current":4.073301,"twenty":-3.917793,"median":-1.286405,"eighty":-0.287842,"marketCap":95319306},{"date":"2025-11-28","current":4.65256,"twenty":-3.879809,"median":-1.268927,"eighty":-0.283616,"marketCap":108874548},{"date":"2025-12-05","current":4.375255,"twenty":-3.872631,"median":-1.259524,"eighty":-0.279619,"marketCap":102385337},{"date":"2025-12-12","current":5.490637,"twenty":-3.85552,"median":-1.247919,"eighty":-0.274466,"marketCap":128486387},{"date":"2025-12-19","current":5.308848,"twenty":-3.835294,"median":-1.218506,"eighty":-0.271366,"marketCap":124232349},{"date":"2025-12-26","current":5.41977,"twenty":-3.796749,"median":-1.205901,"eighty":-0.270453,"marketCap":126828033},{"date":"2026-01-02","current":5.573828,"twenty":-3.777378,"median":-1.201699,"eighty":-0.267335,"marketCap":130433151},{"date":"2026-01-09","current":5.373552,"twenty":-3.755066,"median":-1.172402,"eighty":-0.263816,"marketCap":125746498},{"date":"2026-01-16","current":1.423498,"twenty":-3.720766,"median":-1.148164,"eighty":-0.258521,"marketCap":33311285},{"date":"2026-01-23","current":1.540583,"twenty":-3.694267,"median":-1.142775,"eighty":-0.255292,"marketCap":36051175},{"date":"2026-01-30","current":1.697722,"twenty":-3.678422,"median":-1.091985,"eighty":-0.252428,"marketCap":39728394},{"date":"2026-02-06","current":1.389606,"twenty":-3.646567,"median":-1.038402,"eighty":-0.248146,"marketCap":32518159},{"date":"2026-02-13","current":1.371119,"twenty":-3.617614,"median":-1.002656,"eighty":-0.245698,"marketCap":32085545},{"date":"2026-02-20","current":1.306414,"twenty":-3.583396,"median":-0.993541,"eighty":-0.244711,"marketCap":30571396},{"date":"2026-02-27","current":1.620693,"twenty":-3.561092,"median":-0.971667,"eighty":-0.243426,"marketCap":37925836},{"date":"2026-03-06","current":1.540583,"twenty":-3.53365,"median":-0.957081,"eighty":-0.240277,"marketCap":36051175},{"date":"2026-03-13","current":2.126004,"twenty":-3.51791,"median":-0.947966,"eighty":-0.23779,"marketCap":49750621},{"date":"2026-03-20","current":1.280958,"twenty":-3.481354,"median":-0.929736,"eighty":-0.234071,"marketCap":41871943},{"date":"2026-03-27","current":1.178381,"twenty":-3.439279,"median":-0.90239,"eighty":-0.231819,"marketCap":38518916},{"date":"2026-04-02","current":1.293467,"twenty":-3.398747,"median":-0.888718,"eighty":-0.230297,"marketCap":42280849},{"date":"2026-04-10","current":1.208403,"twenty":-3.363038,"median":-0.870488,"eighty":-0.225635,"marketCap":39500290},{"date":"2026-04-17","current":1.31098,"twenty":-3.33234,"median":-0.848874,"eighty":-0.220853,"marketCap":42853317},{"date":"2026-04-24","current":1.225916,"twenty":-3.27017,"median":-0.834027,"eighty":-0.217723,"marketCap":40072758},{"date":"2026-05-01","current":1.193392,"twenty":-3.197786,"median":-0.79301,"eighty":-0.213889,"marketCap":39009603},{"date":"2026-05-08","current":2.585868,"twenty":-3.050635,"median":-0.765665,"eighty":-0.211024,"marketCap":84526860},{"date":"2026-05-15","current":-8.622868,"twenty":-3.027004,"median":-0.751992,"eighty":-0.209698,"marketCap":81632688},{"date":"2026-05-22","current":-8.39808,"twenty":-3.027004,"median":-0.751992,"eighty":-0.209698,"marketCap":79504620},{"date":"2026-05-29","current":-10.124451,"twenty":-3.012521,"median":-0.749713,"eighty":-0.209669,"marketCap":95848182},{"date":"2026-06-05","current":-9.234291,"twenty":-3.027004,"median":-0.751992,"eighty":-0.209698,"marketCap":87421033},{"date":"2026-06-12","current":-9.955255,"twenty":-3.027004,"median":-0.751992,"eighty":-0.209698,"marketCap":94246399},{"date":"2026-06-18","current":-9.203376,"twenty":-3.027004,"median":-0.751992,"eighty":-0.209698,"marketCap":87128363},{"date":"2026-06-26","current":-9.726836,"twenty":-3.012521,"median":-0.749713,"eighty":-0.209669,"marketCap":92083957},{"date":"2026-07-02","current":-10.821343,"twenty":-3.012521,"median":-0.749713,"eighty":-0.209669,"marketCap":102445655},{"date":"2026-07-10","current":-9.465106,"twenty":-3.012521,"median":-0.749713,"eighty":-0.209669,"marketCap":89606160},{"date":"2026-07-17","current":-8.299218,"twenty":-3.012521,"median":-0.749713,"eighty":-0.209669,"marketCap":78568699},{"date":"2026-07-24","current":-7.775758,"twenty":-3.012521,"median":-0.749713,"eighty":-0.209669,"marketCap":73613105},{"date":"2026-07-31","current":-7.775758,"twenty":-2.991177,"median":-0.747434,"eighty":-0.209639,"marketCap":73613105},{"date":"2026-08-07","current":-7.851898,"twenty":-2.991177,"median":-0.747434,"eighty":-0.209639,"marketCap":74333919},{"date":"2026-08-14","current":-4.594713,"twenty":-2.991177,"median":-0.747434,"eighty":-0.209639,"marketCap":76676563},{"date":"2026-08-21","current":-5.642001,"twenty":-2.991177,"median":-0.747434,"eighty":-0.209639,"marketCap":94153719}],"updateTime":1787550601176},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"ATRA\",pageSize:20,pageCount:10,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"13763134","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021042636-ATRA","pdf_url":"","pub_time":1628438400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"ATRA","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021042636/0001564590-21-042636-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021042636/atra-10q_20210630.htm","primary":true,"translateUrl":"","linkName":"atra-10q_20210630.htm","type":"10-Q","id":"NTFILEGTGNSAXRiYGmGkmr","market":"us","size":2678069},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021042636/atra-ex101_176.htm","primary":false,"translateUrl":"","linkName":"atra-ex101_176.htm","type":"EX-10.1","id":"NTFILEv3AUueg767U2DoHg","market":"us","size":38179},{"description":"EX-31.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021042636/atra-ex311_11.htm","primary":false,"translateUrl":"","linkName":"atra-ex311_11.htm","type":"EX-31.1","id":"NTFILEHX8QhT12sQbkDHDL","market":"us","size":16112},{"description":"EX-31.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021042636/atra-ex312_7.htm","primary":false,"translateUrl":"","linkName":"atra-ex312_7.htm","type":"EX-31.2","id":"NTFILECPFn8tbpHziVS86U","market":"us","size":16142},{"description":"EX-32.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021042636/atra-ex321_9.htm","primary":false,"translateUrl":"","linkName":"atra-ex321_9.htm","type":"EX-32.1","id":"NTFILE7J5JBrZBhnSWNMN3","market":"us","size":8031}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2021-08-09 00:00","pubTimestamp":1628438400,"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":"13763146","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521186845-ATRA","pdf_url":"","pub_time":1623168000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ATRA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521186845/0001193125-21-186845-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.07: Submission of Matters to a Vote of Security Holders","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521186845/d193498d8k.htm","primary":true,"translateUrl":"","linkName":"d193498d8k.htm","type":"8-K","id":"NTFILEF4zg8rJuuec8Ufth","market":"us","size":30895}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-06-09 00:00","pubTimestamp":1623168000,"title_zh":"8-K  - Current report","summary_en":"Item 5.07: Submission of Matters to a Vote of Security Holders","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12686909","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021023337-ATRA","pdf_url":null,"pub_time":1620057600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"ATRA","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/0001564590-21-023337-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/1604464/000156459021023337/atra-10q_20210331.htm","primary":true,"translateUrl":null,"linkName":"atra-10q_20210331.htm","type":"10-Q","id":"NTFILE4djoXyaPKQfJ6Ts6","market":"us","size":2352858},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/atra-ex101_42.htm","primary":false,"translateUrl":null,"linkName":"atra-ex101_42.htm","type":"EX-10.1","id":"NTFILE7vfkXzyUv3xoNuc2","market":"us","size":1010201},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/atra-ex102_118.htm","primary":false,"translateUrl":null,"linkName":"atra-ex102_118.htm","type":"EX-10.2","id":"NTFILE6sihzTkhYNe6CJXY","market":"us","size":896577},{"description":"EX-10.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/atra-ex103_119.htm","primary":false,"translateUrl":null,"linkName":"atra-ex103_119.htm","type":"EX-10.3","id":"NTFILEHPkrtZrRmGvh7eBd","market":"us","size":300299},{"description":"EX-31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/atra-ex311_11.htm","primary":false,"translateUrl":null,"linkName":"atra-ex311_11.htm","type":"EX-31.1","id":"NTFILEBVDXFRt3PMrY1V4n","market":"us","size":16109},{"description":"EX-31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/atra-ex312_9.htm","primary":false,"translateUrl":null,"linkName":"atra-ex312_9.htm","type":"EX-31.2","id":"NTFILEEyo7Cx4q8uhEW2cK","market":"us","size":16139},{"description":"EX-32.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/atra-ex321_10.htm","primary":false,"translateUrl":null,"linkName":"atra-ex321_10.htm","type":"EX-32.1","id":"NTFILEF2LzjWpU2BL7KdMD","market":"us","size":8031},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/gm04ji223ugk000064.jpg","primary":false,"translateUrl":null,"linkName":"gm04ji223ugk000064.jpg","type":"GRAPHIC","id":"NTFILEDuKKjsXPVsGPDk8s","market":"us","size":244015},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/gey4yyuyarck000004.jpg","primary":false,"translateUrl":null,"linkName":"gey4yyuyarck000004.jpg","type":"GRAPHIC","id":"NTFILEGZsMcV1GXS69B9md","market":"us","size":7806},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/gm04ji223ugk000068.jpg","primary":false,"translateUrl":null,"linkName":"gm04ji223ugk000068.jpg","type":"GRAPHIC","id":"NTFILEHHJbdztGbdxYf2yW","market":"us","size":741113},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/gey4yyuyarck000001.jpg","primary":false,"translateUrl":null,"linkName":"gey4yyuyarck000001.jpg","type":"GRAPHIC","id":"NTFILEDxwxJR6EaTmx2Ai4","market":"us","size":63198},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/gm04ji223ugk000001.jpg","primary":false,"translateUrl":null,"linkName":"gm04ji223ugk000001.jpg","type":"GRAPHIC","id":"NTFILEEiP9TtEjuf8CbCQd","market":"us","size":8938},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/gm04ji223ugk000062.jpg","primary":false,"translateUrl":null,"linkName":"gm04ji223ugk000062.jpg","type":"GRAPHIC","id":"NTFILEFmXravoFWFj6pQ4m","market":"us","size":750687},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/gm04ji223ugk000041.jpg","primary":false,"translateUrl":null,"linkName":"gm04ji223ugk000041.jpg","type":"GRAPHIC","id":"NTFILE3qKFRkkRNZEBmPXg","market":"us","size":331709},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/gm04ji223ugk000066.jpg","primary":false,"translateUrl":null,"linkName":"gm04ji223ugk000066.jpg","type":"GRAPHIC","id":"NTFILEB6MXKP3dspqHHmrs","market":"us","size":486360},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/gey4yyuyarck000002.jpg","primary":false,"translateUrl":null,"linkName":"gey4yyuyarck000002.jpg","type":"GRAPHIC","id":"NTFILE558a6BQJPBf6pzLX","market":"us","size":71459},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/gey4yyuyarck000003.jpg","primary":false,"translateUrl":null,"linkName":"gey4yyuyarck000003.jpg","type":"GRAPHIC","id":"NTFILE24AeT225KJJvRZor","market":"us","size":14624},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/gm04ji223ugk000050.jpg","primary":false,"translateUrl":null,"linkName":"gm04ji223ugk000050.jpg","type":"GRAPHIC","id":"NTFILE9fqz11tXm2chJz7L","market":"us","size":423630}],"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":78446,"name":"Condensed Consolidated Balance Sheets (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":78447,"name":"Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":78448,"name":"Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":78449,"name":"Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":78450,"name":"Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":78451,"name":"Condensed Consolidated Statements of Cash Flows (Unaudited)","name_zh":"简明综合现金流量表（未经审核）","url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023337/R7.htm","cdn_url":"https://static.tigerbbs.com/94d22982c52f74b09f6c57dca73af660","translation_url":"https://static.tigerbbs.com/d3302ef265258fcd4a27c344708cabbc","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2021-05-04 00:00","pubTimestamp":1620057600,"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":"12686908","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021023329-ATRA","pdf_url":null,"pub_time":1620057600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ATRA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023329/0001564590-21-023329-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023329/atra-ex991_69.htm","primary":true,"translateUrl":null,"linkName":"atra-ex991_69.htm","type":"EX-99.1","id":"NTFILE2WbXamDqu8DZVkrE","market":"us","size":258940},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021023329/atra-8k_20210504.htm","primary":false,"translateUrl":null,"linkName":"atra-8k_20210504.htm","type":"8-K","id":"NTFILECcDVRu6yqs8efX2N","market":"us","size":38845}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-05-04 00:00","pubTimestamp":1620057600,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12019062","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521063773-ATRA","pdf_url":null,"pub_time":1614528000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8  - Securities to be offered to employees in employee benefit plans","symbol":"ATRA","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/1604464/000119312521063773/0001193125-21-063773-index.htm","us_notice_code":"Form S-8","us_title_en":"S-8  - Securities to be offered to employees in employee benefit plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521063773/d147650ds8.htm","primary":true,"translateUrl":null,"linkName":"d147650ds8.htm","type":"S-8","id":"NTFILE42Se29CpSVQCL56X","market":"us","size":57707},{"description":"EX-5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521063773/d147650dex51.htm","primary":false,"translateUrl":null,"linkName":"d147650dex51.htm","type":"EX-5.1","id":"NTFILE771YGMTVYZ6BMp3a","market":"us","size":7353},{"description":"EX-23.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521063773/d147650dex232.htm","primary":false,"translateUrl":null,"linkName":"d147650dex232.htm","type":"EX-23.2","id":"NTFILEAFBhLUER6vwFRs3b","market":"us","size":1539},{"description":"GRAPHIC","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521063773/g147650snap0001.jpg","primary":false,"translateUrl":null,"linkName":"g147650snap0001.jpg","type":"GRAPHIC","id":"NTFILEHqDup3BbSnFG2et1","market":"us","size":3074}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2021-03-01 00:00","pubTimestamp":1614528000,"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":"12019003","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021009854-ATRA","pdf_url":null,"pub_time":1614528000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"ATRA","title":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009854/0001564590-21-009854-index.htm","us_notice_code":"Form 10-K","us_title_en":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009854/atra-10k_20201231.htm","primary":true,"translateUrl":null,"linkName":"atra-10k_20201231.htm","type":"10-K","id":"NTFILEDNc5uJfw6hNYUKCs","market":"us","size":4366563},{"description":"EX-10.30","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009854/atra-ex1030_10.htm","primary":false,"translateUrl":null,"linkName":"atra-ex1030_10.htm","type":"EX-10.30","id":"NTFILE8xPxbKVbpjHqj8c2","market":"us","size":851072},{"description":"EX-21.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009854/atra-ex211_8.htm","primary":false,"translateUrl":null,"linkName":"atra-ex211_8.htm","type":"EX-21.1","id":"NTFILE7MLDrp3on2SDwxdV","market":"us","size":5800},{"description":"EX-23.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009854/atra-ex231_16.htm","primary":false,"translateUrl":null,"linkName":"atra-ex231_16.htm","type":"EX-23.1","id":"NTFILEE7mMjaCthHizFeM6","market":"us","size":2453},{"description":"EX-31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009854/atra-ex311_15.htm","primary":false,"translateUrl":null,"linkName":"atra-ex311_15.htm","type":"EX-31.1","id":"NTFILECzpdcQW4h4Pv2rQC","market":"us","size":16187},{"description":"EX-31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009854/atra-ex312_12.htm","primary":false,"translateUrl":null,"linkName":"atra-ex312_12.htm","type":"EX-31.2","id":"NTFILEG1dNg9YF8thSK8Z7","market":"us","size":16187},{"description":"EX-32.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009854/atra-ex321_13.htm","primary":false,"translateUrl":null,"linkName":"atra-ex321_13.htm","type":"EX-32.1","id":"NTFILE81iWN4r8X6yEsSU1","market":"us","size":9534},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009854/gbsgwvwkvkj5000001.jpg","primary":false,"translateUrl":null,"linkName":"gbsgwvwkvkj5000001.jpg","type":"GRAPHIC","id":"NTFILEJ25CWytdcnm2A2Wd","market":"us","size":159135},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009854/gbsgwvwkvkj5000003.jpg","primary":false,"translateUrl":null,"linkName":"gbsgwvwkvkj5000003.jpg","type":"GRAPHIC","id":"NTFILE7WDgMybmhTha3BWH","market":"us","size":111858},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009854/gbsgwvwkvkj5000002.jpg","primary":false,"translateUrl":null,"linkName":"gbsgwvwkvkj5000002.jpg","type":"GRAPHIC","id":"NTFILE2ydExMiA8UaFwa8F","market":"us","size":149915}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2021-03-01 00:00","pubTimestamp":1614528000,"title_zh":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12017986","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021009845-ATRA","pdf_url":null,"pub_time":1614528000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ATRA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009845/0001564590-21-009845-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009845/atra-ex991_77.htm","primary":true,"translateUrl":null,"linkName":"atra-ex991_77.htm","type":"EX-99.1","id":"NTFILECfjqa78A34UbFh58","market":"us","size":259488},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459021009845/atra-8k_20210301.htm","primary":false,"translateUrl":null,"linkName":"atra-8k_20210301.htm","type":"8-K","id":"NTFILE8hAryRDPrp32jDS5","market":"us","size":38898}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-03-01 00:00","pubTimestamp":1614528000,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12017985","market":"us","labels":[],"media":"sec.gov","original_id":"AN117266121000738-ATRA","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":"ATRA","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/1604464/000117266121000738/0001172661-21-000738-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":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1166309/000117266121000738/bridger-atra123120a2.htm","primary":true,"translateUrl":null,"linkName":"bridger-atra123120a2.htm","type":"SC 13G/A","id":"NTFILEBWbvs1Q94paAyJqf","market":"us","size":72594}],"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":"12017984","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465921023960-ATRA","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":"ATRA","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/1604464/000110465921023960/0001104659-21-023960-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/1425738/000110465921023960/tm215825d27_sc13ga.htm","primary":true,"translateUrl":null,"linkName":"tm215825d27_sc13ga.htm","type":"SC 13G/A","id":"NTFILEAcxJxZHAMmsCUbiF","market":"us","size":82256},{"description":"EXHIBIT 99.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1425738/000110465921023960/tm215825d27_ex99-1.htm","primary":false,"translateUrl":null,"linkName":"tm215825d27_ex99-1.htm","type":"EX-99.1","id":"NTFILE41NBxBj9sL2BfaU9","market":"us","size":4912}],"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":"11864767","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521044352-ATRA","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":"ATRA","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/1604464/000119312521044352/0001193125-21-044352-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/934639/000119312521044352/d107324dsc13ga.htm","primary":true,"translateUrl":null,"linkName":"d107324dsc13ga.htm","type":"SC 13G/A","id":"NTFILEATXNngpAATwxs1yN","market":"us","size":84670}],"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":"11860901","market":"us","labels":[],"media":"sec.gov","original_id":"AN165495421001675-ATRA","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":"ATRA","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/1604464/000165495421001675/0001654954-21-001675-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":"PRIMARY DOCUMENT","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1444043/000165495421001675/camberATRA-202013ga.htm","primary":true,"translateUrl":null,"linkName":"camberATRA-202013ga.htm","type":"SC 13G/A","id":"NTFILEB2WfLpEMtyRnsBhY","market":"us","size":60154},{"description":"JOINT FILING AGREEMENT","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1444043/000165495421001675/atra13ga2020ex1.htm","primary":false,"translateUrl":null,"linkName":"atra13ga2020ex1.htm","type":"EX-1","id":"NTFILE4Dmh8YnasSaKeU5w","market":"us","size":4978}],"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":"11834938","market":"us","labels":[],"media":"sec.gov","original_id":"AN156761921003409-ATRA","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":"ATRA","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/1604464/000156761921003409/0001567619-21-003409-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":"NONE","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1061768/000156761921003409/doc1.htm","primary":true,"translateUrl":null,"linkName":"doc1.htm","type":"SC 13G/A","id":"NTFILE4CtVKQMnmBXtv1or","market":"us","size":115617}],"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":"11834937","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465921017506-ATRA","pdf_url":null,"pub_time":1612886400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"ATRA","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/1604464/000110465921017506/0001104659-21-017506-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/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/102909/000110465921017506/tv0296-atarabiotherapeuticsi.htm","primary":true,"translateUrl":null,"linkName":"tv0296-atarabiotherapeuticsi.htm","type":"SC 13G/A","id":"NTFILEEQPhuwKDppoYWMbU","market":"us","size":12354}],"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/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":"11834940","market":"us","labels":[],"media":"sec.gov","original_id":"AN83423721003013-ATRA","pdf_url":null,"pub_time":1611849600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"ATRA","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/1604464/000083423721003013/0000834237-21-003013-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":[],"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":"2021-01-29 00:00","pubTimestamp":1611849600,"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":"11428783","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521005785-ATRA","pdf_url":null,"pub_time":1610294400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ATRA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/0001193125-21-005785-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":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/d93318dex991.htm","primary":true,"translateUrl":null,"linkName":"d93318dex991.htm","type":"EX-99.1","id":"NTFILE7DdSVtunKZb6MxC5","market":"us","size":73504},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/d93318d8k.htm","primary":false,"translateUrl":null,"linkName":"d93318d8k.htm","type":"8-K","id":"NTFILE3afvSHeD1pgmagnS","market":"us","size":24856},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s10g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s10g1.jpg","type":"GRAPHIC","id":"NTFILE5BBwxFM3czw38rnx","market":"us","size":298950},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s11g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s11g1.jpg","type":"GRAPHIC","id":"NTFILE9aKD4Wf8egA7KjXh","market":"us","size":317923},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s12g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s12g1.jpg","type":"GRAPHIC","id":"NTFILE3xNgx6Pqma4gQYya","market":"us","size":284016},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s13g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s13g1.jpg","type":"GRAPHIC","id":"NTFILE9WZPnJ1axtB8xfQL","market":"us","size":220370},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s14g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s14g1.jpg","type":"GRAPHIC","id":"NTFILEGB7fU43GDSugytyh","market":"us","size":158638},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s15g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s15g1.jpg","type":"GRAPHIC","id":"NTFILEFxZQ8WJz1EmerLFY","market":"us","size":287866},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s16g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s16g1.jpg","type":"GRAPHIC","id":"NTFILEB8tEsdaDGi35okJ9","market":"us","size":333586},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s17g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s17g1.jpg","type":"GRAPHIC","id":"NTFILE8Yo2BcR4YEQxh1y5","market":"us","size":227916},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s18g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s18g1.jpg","type":"GRAPHIC","id":"NTFILE6pC4vpxAzGwkRWHE","market":"us","size":229873},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s19g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s19g1.jpg","type":"GRAPHIC","id":"NTFILE7NFzaftXvGpyaaS8","market":"us","size":168807},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s1g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s1g1.jpg","type":"GRAPHIC","id":"NTFILEJE5KwkDpyTuG8F5P","market":"us","size":244421},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s20g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s20g1.jpg","type":"GRAPHIC","id":"NTFILEAvBR5EKyoLtLc41f","market":"us","size":208137},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s21g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s21g1.jpg","type":"GRAPHIC","id":"NTFILEHp5VzXc3FpSHCrDn","market":"us","size":297506},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s22g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s22g1.jpg","type":"GRAPHIC","id":"NTFILE8r3MrzLhCjQnGqch","market":"us","size":265747},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s23g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s23g1.jpg","type":"GRAPHIC","id":"NTFILE3CPPWa5AEeHDG8rk","market":"us","size":262292},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s24g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s24g1.jpg","type":"GRAPHIC","id":"NTFILE5BDkPSGhgpvNqicf","market":"us","size":307289},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s25g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s25g1.jpg","type":"GRAPHIC","id":"NTFILE6AMRE4DkD6BXparL","market":"us","size":197199},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s26g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s26g1.jpg","type":"GRAPHIC","id":"NTFILE4GrMJyePbLHZfRgi","market":"us","size":157279},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s27g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s27g1.jpg","type":"GRAPHIC","id":"NTFILE51gxofZDvjuUAexq","market":"us","size":276264},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s28g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s28g1.jpg","type":"GRAPHIC","id":"NTFILE6w4Ko85RtNeMmqDc","market":"us","size":134009},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s29g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s29g1.jpg","type":"GRAPHIC","id":"NTFILE7n7gWZxG9DVpuNcU","market":"us","size":226420},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s2g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s2g1.jpg","type":"GRAPHIC","id":"NTFILE9zko2t7dMRpx8nTS","market":"us","size":376476},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s30g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s30g1.jpg","type":"GRAPHIC","id":"NTFILE85YEzEivx9LDwMD1","market":"us","size":263022},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s31g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s31g1.jpg","type":"GRAPHIC","id":"NTFILE7Coa8sTE95b84gw4","market":"us","size":339996},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s32g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s32g1.jpg","type":"GRAPHIC","id":"NTFILE7fxdanyQ4RqKoLZD","market":"us","size":214466},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s33g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s33g1.jpg","type":"GRAPHIC","id":"NTFILE6chYKCWHcfAze9Fy","market":"us","size":276389},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s34g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s34g1.jpg","type":"GRAPHIC","id":"NTFILEF7SrYz6yWh4Vrrag","market":"us","size":225575},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s35g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s35g1.jpg","type":"GRAPHIC","id":"NTFILEFWDZXJjBsYPNpARi","market":"us","size":151038},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s36g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s36g1.jpg","type":"GRAPHIC","id":"NTFILE9ZSF2Gw2fR8HAB6R","market":"us","size":242235},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s37g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s37g1.jpg","type":"GRAPHIC","id":"NTFILE2ouJ5a3CfuV8ZzGF","market":"us","size":323827},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s38g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s38g1.jpg","type":"GRAPHIC","id":"NTFILE7w6A9633vPBJ3D4w","market":"us","size":299110},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s39g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s39g1.jpg","type":"GRAPHIC","id":"NTFILEBgsK25w44c4WFV5x","market":"us","size":289222},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s3g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s3g1.jpg","type":"GRAPHIC","id":"NTFILEGhtwNN74RkcZzuFm","market":"us","size":324965},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s40g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s40g1.jpg","type":"GRAPHIC","id":"NTFILEFJHv5arM6Lm9dANQ","market":"us","size":235647},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s41g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s41g1.jpg","type":"GRAPHIC","id":"NTFILEE7o6zMx1bj8DwEnx","market":"us","size":151481},{"description":"GRAPHIC","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s42g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s42g1.jpg","type":"GRAPHIC","id":"NTFILE5mc5rL9CbQiueUsK","market":"us","size":143091},{"description":"GRAPHIC","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s43g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s43g1.jpg","type":"GRAPHIC","id":"NTFILE9VeLiJJy6hWiF5K7","market":"us","size":276306},{"description":"GRAPHIC","seq":43,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s44g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s44g1.jpg","type":"GRAPHIC","id":"NTFILEJBLGJnZRcUjVbnjD","market":"us","size":272916},{"description":"GRAPHIC","seq":44,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s45g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s45g1.jpg","type":"GRAPHIC","id":"NTFILEDQQoPreTSPSftGNG","market":"us","size":150754},{"description":"GRAPHIC","seq":45,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s46g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s46g1.jpg","type":"GRAPHIC","id":"NTFILE9MZuumAWB6UoRfP3","market":"us","size":244350},{"description":"GRAPHIC","seq":46,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s47g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s47g1.jpg","type":"GRAPHIC","id":"NTFILEERvX4sNQ9i9Vi4kF","market":"us","size":337171},{"description":"GRAPHIC","seq":47,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s48g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s48g1.jpg","type":"GRAPHIC","id":"NTFILEBjVvFUZzWTHjQG65","market":"us","size":251542},{"description":"GRAPHIC","seq":48,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s49g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s49g1.jpg","type":"GRAPHIC","id":"NTFILEHRzKgJ9GHjHxyU7u","market":"us","size":285110},{"description":"GRAPHIC","seq":49,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s4g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s4g1.jpg","type":"GRAPHIC","id":"NTFILE5bdvw1yb7aLLjG5B","market":"us","size":199901},{"description":"GRAPHIC","seq":50,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s50g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s50g1.jpg","type":"GRAPHIC","id":"NTFILE3fm6Thadgyqod5SB","market":"us","size":198489},{"description":"GRAPHIC","seq":51,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s51g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s51g1.jpg","type":"GRAPHIC","id":"NTFILE64wVN9HvvYLo3yd7","market":"us","size":185354},{"description":"GRAPHIC","seq":52,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s52g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s52g1.jpg","type":"GRAPHIC","id":"NTFILE9Z3mJehYUaB5wcbA","market":"us","size":238721},{"description":"GRAPHIC","seq":53,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s53g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s53g1.jpg","type":"GRAPHIC","id":"NTFILEDE9Cmn3CjzupdSbS","market":"us","size":239680},{"description":"GRAPHIC","seq":54,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s54g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s54g1.jpg","type":"GRAPHIC","id":"NTFILEHEfmpDZSguSSNhw9","market":"us","size":145987},{"description":"GRAPHIC","seq":55,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s55g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s55g1.jpg","type":"GRAPHIC","id":"NTFILE4WbMXNrKUgLkvdyS","market":"us","size":218449},{"description":"GRAPHIC","seq":56,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s56g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s56g1.jpg","type":"GRAPHIC","id":"NTFILEE1qQXbb4y8AKHW5m","market":"us","size":307832},{"description":"GRAPHIC","seq":57,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s57g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s57g1.jpg","type":"GRAPHIC","id":"NTFILE4MER64tHvM7ETqeK","market":"us","size":273541},{"description":"GRAPHIC","seq":58,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s5g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s5g1.jpg","type":"GRAPHIC","id":"NTFILE5HBAzgcMVHNtRQZ7","market":"us","size":237945},{"description":"GRAPHIC","seq":59,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s6g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s6g1.jpg","type":"GRAPHIC","id":"NTFILE2Q7vc455JivvoemQ","market":"us","size":214333},{"description":"GRAPHIC","seq":60,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s7g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s7g1.jpg","type":"GRAPHIC","id":"NTFILEBfX7SBFRhPKLbNEP","market":"us","size":270692},{"description":"GRAPHIC","seq":61,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s8g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s8g1.jpg","type":"GRAPHIC","id":"NTFILEGRpz8atX78L6wTKm","market":"us","size":301334},{"description":"GRAPHIC","seq":62,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521005785/g93318ex99_1s9g1.jpg","primary":false,"translateUrl":null,"linkName":"g93318ex99_1s9g1.jpg","type":"GRAPHIC","id":"NTFILE4wCYKYApSXjDEZBv","market":"us","size":261536}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-01-11 00:00","pubTimestamp":1610294400,"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":"11412887","market":"us","labels":[],"media":"sec.gov","original_id":"AN1961721000025-ATRA","pdf_url":null,"pub_time":1610035200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"ATRA","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/1604464/000001961721000025/0000019617-21-000025-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":"FILING ATARA BIOTHERAPEUTICS, INC.","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/19617/000001961721000025/ATARA_BIOTHERAPEUTICS_INC..htm","primary":true,"translateUrl":null,"linkName":"ATARA_BIOTHERAPEUTICS_INC..htm","type":"SC 13G","id":"NTFILEFt7vRTCuHhLwjJfW","market":"us","size":88004}],"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":"2021-01-08 00:00","pubTimestamp":1610035200,"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":"11351052","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521000948-ATRA","pdf_url":null,"pub_time":1609689600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ATRA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521000948/0001193125-21-000948-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312521000948/d104642d8k.htm","primary":true,"translateUrl":null,"linkName":"d104642d8k.htm","type":"8-K","id":"NTFILE5EwUyJHpVchibDPP","market":"us","size":24023}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-01-04 00:00","pubTimestamp":1609689600,"title_zh":"8-K  - Current report","summary_en":"Item 8.01: Other Events","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11103348","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520313909-ATRA","pdf_url":null,"pub_time":1607443200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ATRA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000119312520313909/0001193125-20-313909-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-1.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312520313909/d47039dex11.htm","primary":true,"translateUrl":null,"linkName":"d47039dex11.htm","type":"EX-1.1","id":"NTFILEBmG3rPdkNrbXhVr4","market":"us","size":240017},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312520313909/d47039d8k.htm","primary":false,"translateUrl":null,"linkName":"d47039d8k.htm","type":"8-K","id":"NTFILE3EC1NnKTM8LWWiKv","market":"us","size":28701},{"description":"EX-4.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312520313909/d47039dex41.htm","primary":false,"translateUrl":null,"linkName":"d47039dex41.htm","type":"EX-4.1","id":"NTFILE2kFpfLdZZYSHJBb3","market":"us","size":63482},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312520313909/d47039dex51.htm","primary":false,"translateUrl":null,"linkName":"d47039dex51.htm","type":"EX-5.1","id":"NTFILEHNVLqSayVSnvYTAJ","market":"us","size":12675},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312520313909/g47039dsp60.jpg","primary":false,"translateUrl":null,"linkName":"g47039dsp60.jpg","type":"GRAPHIC","id":"NTFILECXLnPFcMiWzTprMm","market":"us","size":2588}],"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":"2020-12-09 00:00","pubTimestamp":1607443200,"title_zh":"8-K  - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11071901","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520311236-ATRA","pdf_url":null,"pub_time":1607270400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"ATRA","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000119312520311236/0001193125-20-311236-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312520311236/d36313d8k.htm","primary":true,"translateUrl":null,"linkName":"d36313d8k.htm","type":"8-K","id":"NTFILE5tP9qQcxSkqbWj5o","market":"us","size":27615}],"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":"2020-12-07 00:00","pubTimestamp":1607270400,"title_zh":"8-K  - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10778574","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020052503-ATRA","pdf_url":null,"pub_time":1604851200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"ATRA","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/0001564590-20-052503-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/1604464/000156459020052503/atra-10q_20200930.htm","primary":true,"translateUrl":null,"linkName":"atra-10q_20200930.htm","type":"10-Q","id":"NTFILE96JhV71PSxqXVYBF","market":"us","size":2687783},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/atra-ex101_113.htm","primary":false,"translateUrl":null,"linkName":"atra-ex101_113.htm","type":"EX-10.1","id":"NTFILEEwW1GEp8Kqbwtkrg","market":"us","size":463186},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/atra-ex102_111.htm","primary":false,"translateUrl":null,"linkName":"atra-ex102_111.htm","type":"EX-10.2","id":"NTFILE8DVXqrKH8xCHBZP7","market":"us","size":319675},{"description":"EX-10.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/atra-ex103_87.htm","primary":false,"translateUrl":null,"linkName":"atra-ex103_87.htm","type":"EX-10.3","id":"NTFILEFw9Wqob9BC4g9xfU","market":"us","size":162935},{"description":"EX-10.4","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/atra-ex104_206.htm","primary":false,"translateUrl":null,"linkName":"atra-ex104_206.htm","type":"EX-10.4","id":"NTFILE8BK938esi1ZLBcT7","market":"us","size":62406},{"description":"EX-31.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/atra-ex311_6.htm","primary":false,"translateUrl":null,"linkName":"atra-ex311_6.htm","type":"EX-31.1","id":"NTFILE8sKo6tVf53u4uC58","market":"us","size":16112},{"description":"EX-31.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/atra-ex312_8.htm","primary":false,"translateUrl":null,"linkName":"atra-ex312_8.htm","type":"EX-31.2","id":"NTFILE5XDggN2r39RsUBpp","market":"us","size":16145},{"description":"EX-32.1","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/atra-ex321_7.htm","primary":false,"translateUrl":null,"linkName":"atra-ex321_7.htm","type":"EX-32.1","id":"NTFILE75TnxgTErAeeq3A7","market":"us","size":8038}],"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":56108,"name":"Condensed Consolidated Balance Sheets (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":56109,"name":"Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":56110,"name":"Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":56111,"name":"Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":56112,"name":"Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":56113,"name":"Condensed Consolidated Statements of Cash Flows (Unaudited)","name_zh":"简明合并现金流量表（未经审计）","url":"https://www.sec.gov/Archives/edgar/data/1604464/000156459020052503/R7.htm","cdn_url":"https://static.tigerbbs.com/8210900a9254ad716859f3b0a83e52d4","translation_url":"https://static.tigerbbs.com/4ce713ed0958bfe7b1932fc687af1ab2","translate_status":1}],"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}],"pageSize":20,"totalPage":14,"pageCount":10,"totalSize":261,"code":"91000000","status":"200"}]}}