US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

Atara Biotherapeutics

9.70

+0.32003.41%

Post-market: 9.700.00000.00%19:30 EDT

Volume:27.09K

Turnover:259.11K

Market Cap:97.37M

PE:-8.16

High:9.89

Open:9.46

Low:9.15

Close:9.38

52wk High:19.15

52wk Low:3.92

Shares:10.04M

Float Shares:4.73M

Volume Ratio:0.50

T/O Rate:0.57%

Dividend:- -

Dividend Rate:- -

EPS(TTM):-1.1889

EPS(LYR):2.57

ROE:-2014.86%

ROA:-24.14%

PB:-2.63

PE(LYR):3.77

Loading ...

Overview Company News Filings

Major Issues Report

Form 8-K - Current report

Employee Stock Ownership

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

Major Issues Report

Form 8-K - Current report

Employee Stock Ownership

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

Beneficial Ownership Change

Form SC 13D - General statement of acquisition of beneficial ownership

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Quarterly Report

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

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Annual Report

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

Major Issues Report

Form 8-K - Current report

Beneficial Ownership Change

Form SC 13G - Statement of acquisition of beneficial ownership by individuals

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

Proposed Sale Of Securities

Form 144 - Report of proposed sale of securities

{"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=5"},"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":9.7,"timestamp":1787342400000,"preClose":9.38,"halted":0,"volume":27086,"hourTrading":{"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},"delay":0,"changeRate":0.03411513859275037,"floatShares":4734800,"shares":10037700,"eps":-1.188906,"marketStatus":"Not Yet Opened","change":0.32,"latestTime":"08-21 16:00:00 EDT","open":9.46,"high":9.89,"low":9.15,"amount":259108.57638399999,"amplitude":0.078891,"askPrice":0,"askSize":0,"bidPrice":0,"bidSize":0,"shortable":3,"etf":0,"ttmEps":-1.188906,"tradingStatus":0,"nextMarketStatus":{"tag":"Pre-Mkt","tradingStatus":1,"beginTime":1787558400000},"marketStatusCode":0,"adr":0,"adrRate":0,"listingDate":1413432000000,"exchange":"NASDAQ","adjPreClose":9.38,"preHourTrading":{"tag":"盘前","latestPrice":9.21,"preClose":9.38,"latestTime":"07:41 EDT","volume":492,"amount":4622.239632,"timestamp":1787312471199,"change":-0.17,"changeRate":-0.018124,"amplitude":0.094883},"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":0.5034160774955208,"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":0.5034160774955208,"shares":10037700,"dividePrice":0,"high":9.89,"amplitude":0.078891,"preClose":9.38,"low":9.15,"week52Low":3.92,"pbRate":"-2.63","psRate":"15.72","week52High":19.145,"institutionHeld":0,"latestPrice":9.7,"eps":-1.188906,"divideRate":0,"volume":27086,"delay":0,"ttmEps":-1.188906,"open":9.46,"prevYearClose":18.09,"prevWeekClose":8.09,"prevMonthClose":8.38,"prevQuarterClose":11.48,"fiveDayClose":8.09,"twentyDayClose":7.9,"sixtyDayClose":10.54},"@#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":1787506769665},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"ATRA\",pageSize:20,pageCount:5,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"18278273","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312524162069-ATRA","pdf_url":"","pub_time":1718596800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"ATRA","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524162069/0001193125-24-162069-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":null,"gpt_en_title":null,"attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524162069/d705331dex991.htm","primary":true,"translateUrl":"","linkName":"d705331dex991.htm","type":"EX-99.1","id":"NTFILEGYDbvEG5DZAqEpdR","market":"us","size":10363},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524162069/d705331d8k.htm","primary":false,"translateUrl":"","linkName":"d705331d8k.htm","type":"8-K","id":"NTFILE8QW5cLTXPhp42y4c","market":"us","size":25335}],"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":"2024-06-17 12:00","pubTimestamp":1718596800,"title_zh":"Form 8-K - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18259243","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312524159220-ATRA","pdf_url":"","pub_time":1718078400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form S-8 - Securities to be offered to employees in employee benefit plans","symbol":"ATRA","title":"Form 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/1604464/000119312524159220/0001193125-24-159220-index.htm","us_notice_code":"Form S-8","us_title_en":"Form S-8 - Securities to be offered to employees in employee benefit plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159220/d767088ds8.htm","primary":true,"translateUrl":"","linkName":"d767088ds8.htm","type":"S-8","id":"NTFILE92Y82kEXxGj7EefP","market":"us","size":42459},{"description":"EX-4.4","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159220/d767088dex44.htm","primary":false,"translateUrl":"","linkName":"d767088dex44.htm","type":"EX-4.4","id":"NTFILEHpsSQuh5cWyzbhFn","market":"us","size":50691},{"description":"EX-5.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159220/d767088dex51.htm","primary":false,"translateUrl":"","linkName":"d767088dex51.htm","type":"EX-5.1","id":"NTFILE9RKA6RHvBRQvQehY","market":"us","size":9716},{"description":"EX-23.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159220/d767088dex232.htm","primary":false,"translateUrl":"","linkName":"d767088dex232.htm","type":"EX-23.2","id":"NTFILE4PbEu5uvUjhsBnjW","market":"us","size":1513},{"description":"EX-FILING FEES","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159220/d767088dexfilingfees.htm","primary":false,"translateUrl":"","linkName":"d767088dexfilingfees.htm","type":"EX-FILING FEES","id":"NTFILE6mgrsb79k73TJjeZ","market":"us","size":13855},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159220/g767088dsp16.jpg","primary":false,"translateUrl":"","linkName":"g767088dsp16.jpg","type":"GRAPHIC","id":"NTFILE8xQX7mq9w4bgYWyM","market":"us","size":3944}],"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":"2024-06-11 12:00","pubTimestamp":1718078400,"title_zh":"Form 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":"18259234","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312524158461-ATRA","pdf_url":"","pub_time":1718078400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"ATRA","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524158461/0001193125-24-158461-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":null,"gpt_en_title":null,"attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524158461/d741804d8k.htm","primary":true,"translateUrl":"","linkName":"d741804d8k.htm","type":"8-K","id":"NTFILER5qHyuh1uRDbJmN6","market":"us","size":47160}],"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":"2024-06-11 12:00","pubTimestamp":1718078400,"title_zh":"Form 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":"18259233","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312524159213-ATRA","pdf_url":"","pub_time":1718078400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form S-8 - Securities to be offered to employees in employee benefit plans","symbol":"ATRA","title":"Form 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/1604464/000119312524159213/0001193125-24-159213-index.htm","us_notice_code":"Form S-8","us_title_en":"Form S-8 - Securities to be offered to employees in employee benefit plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159213/d767564ds8.htm","primary":true,"translateUrl":"","linkName":"d767564ds8.htm","type":"S-8","id":"NTFILE5tXFe7hhQBMW8yx9","market":"us","size":51965},{"description":"EX-4.4","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159213/d767564dex44.htm","primary":false,"translateUrl":"","linkName":"d767564dex44.htm","type":"EX-4.4","id":"NTFILEHFTfToo9L82Lm3eq","market":"us","size":130794},{"description":"EX-5.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159213/d767564dex51.htm","primary":false,"translateUrl":"","linkName":"d767564dex51.htm","type":"EX-5.1","id":"NTFILEC4AvhabLfR176Njq","market":"us","size":9315},{"description":"EX-23.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159213/d767564dex232.htm","primary":false,"translateUrl":"","linkName":"d767564dex232.htm","type":"EX-23.2","id":"NTFILEDqxvGBBDqjLjW2eU","market":"us","size":2034},{"description":"EX-FILING FEES","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159213/d767564dexfilingfees.htm","primary":false,"translateUrl":"","linkName":"d767564dexfilingfees.htm","type":"EX-FILING FEES","id":"NTFILE4A1p23LNADpCNFr4","market":"us","size":14009},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000119312524159213/g767564g0611125920219.jpg","primary":false,"translateUrl":"","linkName":"g767564g0611125920219.jpg","type":"GRAPHIC","id":"NTFILEEx3D4PtPxMiS2E7b","market":"us","size":2091}],"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":"2024-06-11 12:00","pubTimestamp":1718078400,"title_zh":"Form 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":"18180918","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465924064358-ATRA","pdf_url":"","pub_time":1716350400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SC 13D - General statement of acquisition of beneficial ownership","symbol":"ATRA","title":"Form SC 13D - General statement of acquisition of beneficial ownership","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000110465924064358/0001104659-24-064358-index.htm","us_notice_code":"Form SC 13D","us_title_en":"Form SC 13D - General statement of acquisition of beneficial ownership","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"SC 13D","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000110465924064358/tm2415124d1_sc13d.htm","primary":true,"translateUrl":"","linkName":"tm2415124d1_sc13d.htm","type":"SC 13D","id":"NTFILECUA4jDh2AUHkGm14","market":"us","size":58427},{"description":"EXHIBIT 99.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000110465924064358/tm2415124d1_ex99-1.htm","primary":false,"translateUrl":"","linkName":"tm2415124d1_ex99-1.htm","type":"EX-99.1","id":"NTFILEDdUfMFrPKas332rq","market":"us","size":6376},{"description":"EXHIBIT 99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000110465924064358/tm2415124d1_ex99-2.htm","primary":false,"translateUrl":"","linkName":"tm2415124d1_ex99-2.htm","type":"EX-99.2","id":"NTFILE9U5hLBcXXWKuQdXL","market":"us","size":80419}],"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":"2024-05-22 12:00","pubTimestamp":1716350400,"title_zh":"Form SC 13D - General statement of acquisition of beneficial ownership","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18156258","market":"us","labels":[],"media":"sec.gov","original_id":"AN90514824001501-ATRA","pdf_url":"","pub_time":1715908536000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"ATRA","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/0000905148-24-001501-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824001501/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE2zeiQJTAd357yTzz","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2024-05-17 09:15","pubTimestamp":1715908536,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18156277","market":"us","labels":[],"media":"sec.gov","original_id":"AN90514824001500-ATRA","pdf_url":"","pub_time":1715908489000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"ATRA","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/0000905148-24-001500-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824001500/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEFiGEGqgSQnBvXuDZ","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2024-05-17 09:14","pubTimestamp":1715908489,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18156246","market":"us","labels":[],"media":"sec.gov","original_id":"AN90514824001499-ATRA","pdf_url":"","pub_time":1715908451000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"ATRA","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/0000905148-24-001499-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824001499/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE2mGJ1BXu1jyq2Rqj","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2024-05-17 09:14","pubTimestamp":1715908451,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18156244","market":"us","labels":[],"media":"sec.gov","original_id":"AN90514824001498-ATRA","pdf_url":"","pub_time":1715908418000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"ATRA","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/0000905148-24-001498-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824001498/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILELU2ST5LsNuALwqtV","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2024-05-17 09:13","pubTimestamp":1715908418,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18156289","market":"us","labels":[],"media":"sec.gov","original_id":"AN90514824001497-ATRA","pdf_url":"","pub_time":1715908384000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"ATRA","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/0000905148-24-001497-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824001497/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEzHeHj31GJ14V74ZW","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2024-05-17 09:13","pubTimestamp":1715908384,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18156239","market":"us","labels":[],"media":"sec.gov","original_id":"AN90514824001496-ATRA","pdf_url":"","pub_time":1715907326000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"ATRA","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/0000905148-24-001496-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824001496/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE3YsHe4HJ7EgzhJMX","market":"us","size":0},{"description":"POA_NGUYEN","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824001496/poa_nguyen.htm","primary":false,"translateUrl":"","linkName":"poa_nguyen.htm","type":"EX-24.0","id":"NTFILEGDBuv6F5BnU5dW84","market":"us","size":5120}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2024-05-17 08:55","pubTimestamp":1715907326,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18122011","market":"us","labels":[],"media":"sec.gov","original_id":"AN95017024056959-ATRA","pdf_url":"","pub_time":1715227200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"ATRA","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024056959/0000950170-24-056959-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024056959/atra-20240331.htm","primary":true,"translateUrl":"","linkName":"atra-20240331.htm","type":"10-Q","id":"NTFILE7kBLpouQQ1fH2hmZ","market":"us","size":2032975},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024056959/atra-ex10_1.htm","primary":false,"translateUrl":"","linkName":"atra-ex10_1.htm","type":"EX-10.1","id":"NTFILE5XDs2hZHwPHETiXF","market":"us","size":29979},{"description":"EX-31.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024056959/atra-ex31_1.htm","primary":false,"translateUrl":"","linkName":"atra-ex31_1.htm","type":"EX-31.1","id":"NTFILE6wgJ4Txu9UXDEr4P","market":"us","size":13382},{"description":"EX-31.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024056959/atra-ex31_2.htm","primary":false,"translateUrl":"","linkName":"atra-ex31_2.htm","type":"EX-31.2","id":"NTFILEE5vt1phxhSApeor2","market":"us","size":13419},{"description":"EX-32.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024056959/atra-ex32_1.htm","primary":false,"translateUrl":"","linkName":"atra-ex32_1.htm","type":"EX-32.1","id":"NTFILEGZxfPCAj3dFbgPAF","market":"us","size":9726}],"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":"2024-05-09 12:00","pubTimestamp":1715227200,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18121827","market":"us","labels":[],"media":"sec.gov","original_id":"AN95017024056901-ATRA","pdf_url":"","pub_time":1715227200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"ATRA","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024056901/0000950170-24-056901-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":null,"gpt_en_title":null,"attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024056901/atra-ex99_1.htm","primary":true,"translateUrl":"","linkName":"atra-ex99_1.htm","type":"EX-99.1","id":"NTFILECiSEWT6S4M6emBDu","market":"us","size":221904},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024056901/atra-20240509.htm","primary":false,"translateUrl":"","linkName":"atra-20240509.htm","type":"8-K","id":"NTFILE9DGE5g9SmoyWUZaY","market":"us","size":42567}],"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":"2024-05-09 12:00","pubTimestamp":1715227200,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17795019","market":"us","labels":[],"media":"sec.gov","original_id":"AN95017024038690-ATRA","pdf_url":"","pub_time":1711684800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"ATRA","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024038690/0000950170-24-038690-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024038690/atra-20240326.htm","primary":true,"translateUrl":"","linkName":"atra-20240326.htm","type":"8-K","id":"NTFILE9XF3FwaBUyyqr3X1","market":"us","size":35108}],"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":"2024-03-29 12:00","pubTimestamp":1711684800,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17776552","market":"us","labels":[],"media":"sec.gov","original_id":"AN95017024037644-ATRA","pdf_url":"","pub_time":1711598400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"ATRA","title":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/0000950170-24-037644-index.htm","us_notice_code":"Form 10-K","us_title_en":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/atra-20231231.htm","primary":true,"translateUrl":"","linkName":"atra-20231231.htm","type":"10-K","id":"NTFILEFNaREdVSFAKXPaJ6","market":"us","size":3140371},{"description":"EX-10.29","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/atra-ex10_29.htm","primary":false,"translateUrl":"","linkName":"atra-ex10_29.htm","type":"EX-10.29","id":"NTFILEBEgL1DgmaieaNKJx","market":"us","size":26966},{"description":"EX-10.30","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/atra-ex10_30.htm","primary":false,"translateUrl":"","linkName":"atra-ex10_30.htm","type":"EX-10.30","id":"NTFILEAiEsLZafzWX2vXHq","market":"us","size":29475},{"description":"EX-10.31","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/atra-ex10_31.htm","primary":false,"translateUrl":"","linkName":"atra-ex10_31.htm","type":"EX-10.31","id":"NTFILE4KFWsbmX4SZ7nqLr","market":"us","size":723614},{"description":"EX-21.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/atra-ex21_1.htm","primary":false,"translateUrl":"","linkName":"atra-ex21_1.htm","type":"EX-21.1","id":"NTFILE27tXgw28AgLWCSC2","market":"us","size":6131},{"description":"EX-23.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/atra-ex23_1.htm","primary":false,"translateUrl":"","linkName":"atra-ex23_1.htm","type":"EX-23.1","id":"NTFILE4KHf3jVMvfPTb15a","market":"us","size":3158},{"description":"EX-31.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/atra-ex31_1.htm","primary":false,"translateUrl":"","linkName":"atra-ex31_1.htm","type":"EX-31.1","id":"NTFILEBErdAvwQTgFDLebn","market":"us","size":13789},{"description":"EX-31.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/atra-ex31_2.htm","primary":false,"translateUrl":"","linkName":"atra-ex31_2.htm","type":"EX-31.2","id":"NTFILE6Jo9YFRBqR4HT6A7","market":"us","size":13670},{"description":"EX-32.1","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/atra-ex32_1.htm","primary":false,"translateUrl":"","linkName":"atra-ex32_1.htm","type":"EX-32.1","id":"NTFILEJ3whD1GLEnw64t2F","market":"us","size":11504},{"description":"EX-97.1","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/atra-ex97_1.htm","primary":false,"translateUrl":"","linkName":"atra-ex97_1.htm","type":"EX-97.1","id":"NTFILE4TGpTYiu73s9iyXt","market":"us","size":37375},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037644/img120931721_0.jpg","primary":false,"translateUrl":"","linkName":"img120931721_0.jpg","type":"GRAPHIC","id":"NTFILEnEK5JsXA5HT6ERXS","market":"us","size":586222}],"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":"2024-03-28 12:00","pubTimestamp":1711598400,"title_zh":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17776210","market":"us","labels":[],"media":"sec.gov","original_id":"AN95017024037643-ATRA","pdf_url":"","pub_time":1711598400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"ATRA","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037643/0000950170-24-037643-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":null,"gpt_en_title":null,"attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037643/atra-ex99_1.htm","primary":true,"translateUrl":"","linkName":"atra-ex99_1.htm","type":"EX-99.1","id":"NTFILE8JtgdA6x8c7jdn8q","market":"us","size":279389},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000095017024037643/atra-20240328.htm","primary":false,"translateUrl":"","linkName":"atra-20240328.htm","type":"8-K","id":"NTFILEEf95Jtc2mBwhrjkx","market":"us","size":42577}],"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":"2024-03-28 12:00","pubTimestamp":1711598400,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17720596","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465924035552-ATRA","pdf_url":"","pub_time":1710734400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SC 13G - Statement of acquisition of beneficial ownership by individuals","symbol":"ATRA","title":"Form SC 13G - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/000110465924035552/0001104659-24-035552-index.htm","us_notice_code":"Form SC 13G","us_title_en":"Form SC 13G - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"SC 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1423053/000110465924035552/tm249099d1_sc13g.htm","primary":true,"translateUrl":"","linkName":"tm249099d1_sc13g.htm","type":"SC 13G","id":"NTFILEFFJRdaVAoNgPQFHb","market":"us","size":134268},{"description":"EXHIBIT 99.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1423053/000110465924035552/tm249099d1_ex99-1.htm","primary":false,"translateUrl":"","linkName":"tm249099d1_ex99-1.htm","type":"EX-99.1","id":"NTFILEHKpPN3BCgZdZxR6U","market":"us","size":9475}],"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":"2024-03-18 12:00","pubTimestamp":1710734400,"title_zh":"Form 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":"17667531","market":"us","labels":[],"media":"sec.gov","original_id":"AN90514824000882-ATRA","pdf_url":"","pub_time":1709601664000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"ATRA","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/0000905148-24-000882-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824000882/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEAPgkVUkijC5erHxn","market":"us","size":0},{"description":"POA_TOUCHON","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824000882/poa_touchon.htm","primary":false,"translateUrl":"","linkName":"poa_touchon.htm","type":"EX-24","id":"NTFILE2wRbZY2cPshEjsMM","market":"us","size":5124}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2024-03-05 09:21","pubTimestamp":1709601664,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17667489","market":"us","labels":[],"media":"sec.gov","original_id":"AN90514824000881-ATRA","pdf_url":"","pub_time":1709601567000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"ATRA","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/0000905148-24-000881-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824000881/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEBxwLRUeWMSpnkfSU","market":"us","size":0},{"description":"POA_HENRICH","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824000881/poa_henrich.htm","primary":false,"translateUrl":"","linkName":"poa_henrich.htm","type":"EX-24","id":"NTFILE2RThkKM2GijwmJhQ","market":"us","size":5120}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2024-03-05 09:19","pubTimestamp":1709601567,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"17667499","market":"us","labels":[],"media":"sec.gov","original_id":"AN90514824000880-ATRA","pdf_url":"","pub_time":1709601510000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"ATRA","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1604464/0000905148-24-000880-index.html","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824000880/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE2pFPq3XNm3HAQPzF","market":"us","size":0},{"description":"POA_HYLLENGREN","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1604464/000090514824000880/poa_hyllengren.htm","primary":false,"translateUrl":"","linkName":"poa_hyllengren.htm","type":"EX-24","id":"NTFILEFXnV3KR3Snuokmaf","market":"us","size":5115}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2024-03-05 09:18","pubTimestamp":1709601510,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":14,"pageCount":5,"totalSize":261,"code":"91000000","status":"200"}]}}