US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

Cytek BioSciences

4.50

+0.05501.24%

Volume:306.59K

Turnover:1.38M

Market Cap:584.27M

PE:-7.13

High:4.57

Open:4.45

Low:4.36

Close:4.44

52wk High:6.18

52wk Low:3.28

Shares:129.98M

Float Shares:103.00M

Volume Ratio:0.44

T/O Rate:0.30%

Dividend:- -

Dividend Rate:- -

EPS(TTM):-0.6300

EPS(LYR):-0.5209

ROE:-23.04%

ROA:-6.31%

PB:1.81

PE(LYR):-8.63

Loading ...

Overview Company News Filings

Major Issues Report

Form 8-K - Current report

Beneficial Ownership Change

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

Quarterly Report

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

Major Issues Report

Form 8-K - Current report

Beneficial Ownership Change

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

Major Issues Report

Form 8-K - Current report

Beneficial Ownership Change

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

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Major Issues Report

Form 8-K - Current report

Beneficial Ownership Change

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

Quarterly Report

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

Major Issues Report

Form 8-K - Current report

Beneficial Ownership Change

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

Employee Stock Ownership

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

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

Major Issues Report

Form 8-K - Current report

Quarterly Report

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

Major Issues Report

Form 8-K - Current report

{"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.atigrdive.com/stock/CTKB/filings"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"HKG","license":"TBHK","edition":"fundamental","symbol":"CTKB","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"CTKB\",,,,,undefined,":{"symbol":"CTKB","market":"US","secType":"STK","nameCN":"Cytek BioSciences","latestPrice":4.495,"timestamp":1787683589823,"preClose":4.44,"halted":0,"volume":306588,"delay":0,"changeRate":0.012387387387387322,"floatShares":103000000,"shares":129983253,"eps":-0.63,"marketStatus":"Trading","change":0.055,"latestTime":"08-25 14:46:44 EDT","open":4.45,"high":4.565,"low":4.36,"amount":1375725.965832,"amplitude":0.046171,"askPrice":4.5,"askSize":862,"bidPrice":4.49,"bidSize":1052,"shortable":0,"etf":0,"ttmEps":-0.63,"tradingStatus":2,"nextMarketStatus":{"tag":"Post-Mkt","tradingStatus":3,"beginTime":1787688000000},"marketStatusCode":2,"adr":0,"listingDate":1627012800000,"exchange":"NASDAQ","adjPreClose":4.44,"preHourTrading":{"tag":"盘前","latestPrice":4.71,"preClose":4.44,"latestTime":"09:17 EDT","volume":43,"amount":190.8600279,"timestamp":1787663858652,"change":0.27,"changeRate":0.060811,"amplitude":0.087838},"postHourTrading":{"tag":"盘后","latestPrice":4.44,"preClose":4.44,"latestTime":"18:08 EDT","volume":251,"amount":1115.0602,"timestamp":1787609318073,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":0.436919,"impliedVol":0.1208,"impliedVolPercentile":0.0438},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"CTKB\",,,,,undefined,":{"symbol":"CTKB","floatShares":103000000,"roa":"-6.31%","roe":"-23.04%","lyrEps":-0.520869,"volumeRatio":0.436919,"shares":129983253,"dividePrice":0,"high":4.565,"amplitude":0.046171,"preClose":4.44,"low":4.36,"week52Low":3.28,"pbRate":"1.81","psRate":"2.83","week52High":6.18,"institutionHeld":0,"latestPrice":4.495,"committee":0.099269,"eps":-0.63,"divideRate":0,"volume":306588,"delay":0,"ttmEps":-0.63,"open":4.45,"prevYearClose":5.05,"prevWeekClose":4.81,"prevMonthClose":4.22,"prevQuarterClose":4.43,"fiveDayClose":4.67,"twentyDayClose":4.46,"sixtyDayClose":4.19},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/CTKB\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-08-05","symbol":"CTKB","fiscalQuarterEnding":"2026/06","expectedEps":-0.06,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1785902400000,"reportTimeType":"post","actualEps":-0.09},{"market":"US","date":"2026-05-07","symbol":"CTKB","fiscalQuarterEnding":"2026/03","expectedEps":-0.11,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1778126400000,"reportTimeType":"post","actualEps":-0.15},{"market":"US","date":"2026-02-26","symbol":"CTKB","fiscalQuarterEnding":"2025/12","expectedEps":-0.04,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1772082000000,"reportTimeType":"post","actualEps":-0.04},{"market":"US","date":"2026-01-12","symbol":"CTKB","fiscalQuarterEnding":null,"expectedEps":null,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1768194000000,"reportTimeType":"pre","actualEps":null},{"market":"US","date":"2025-11-05","symbol":"CTKB","fiscalQuarterEnding":"2025/09","expectedEps":-0.05,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1762318800000,"reportTimeType":"post","actualEps":-0.04}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"CTKB\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"CTKB\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.25,"buy":0.25,"hold":0.5,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.25,"analysts":4,"updateTime":1772337600000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/CTKB\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"CTKB","date":"2026-08-24","current":-7.047619,"percent":0.718597,"low":-951.451041,"twenty":-106.636152,"median":-55.155422,"eighty":203.602343,"high":2170.673569,"avg":-0.937342,"sd":494.855458,"marketCap":625219446},"quantilePoints":[{"date":"2021-08-27","current":138.142869,"twenty":130.578034,"median":145.88645,"eighty":165.131045,"marketCap":2811483668},{"date":"2021-09-03","current":216.111176,"twenty":132.993551,"median":146.37655,"eighty":166.764712,"marketCap":3222433740},{"date":"2021-09-10","current":235.733321,"twenty":135.306823,"median":148.859723,"eighty":172.763537,"marketCap":3515019552},{"date":"2021-09-17","current":231.541317,"twenty":136.626826,"median":150.101311,"eighty":217.252828,"marketCap":3452512583},{"date":"2021-09-24","current":215.040877,"twenty":138.537419,"median":156.243898,"eighty":219.910737,"marketCap":3206474514},{"date":"2021-10-01","current":190.691578,"twenty":140.387604,"median":166.732038,"eighty":219.910737,"marketCap":2843402120},{"date":"2021-10-08","current":193.010559,"twenty":141.64545,"median":170.097392,"eighty":217.609594,"marketCap":2877980443},{"date":"2021-10-15","current":214.684111,"twenty":142.371645,"median":181.102656,"eighty":217.252828,"marketCap":3201154772},{"date":"2021-10-22","current":214.416536,"twenty":142.838145,"median":190.959153,"eighty":216.467942,"marketCap":3197164966},{"date":"2021-10-29","current":203.445973,"twenty":144.246248,"median":192.876772,"eighty":215.897116,"marketCap":3033582898},{"date":"2021-11-05","current":220.392371,"twenty":145.59239,"median":197.202563,"eighty":216.467942,"marketCap":3286270645},{"date":"2021-11-12","current":322.739578,"twenty":146.76863,"median":200.458056,"eighty":219.839383,"marketCap":3159943206},{"date":"2021-11-19","current":266.058695,"twenty":148.441505,"median":202.73244,"eighty":231.612671,"marketCap":2604980687},{"date":"2021-11-26","current":259.775995,"twenty":148.859723,"median":204.605463,"eighty":235.019789,"marketCap":2543466770},{"date":"2021-12-03","current":259.366254,"twenty":149.12111,"median":209.154234,"eighty":249.112057,"marketCap":2539454992},{"date":"2021-12-10","current":254.859099,"twenty":149.578537,"median":210.938065,"eighty":259.366254,"marketCap":2495325443},{"date":"2021-12-17","current":241.064475,"twenty":150.624084,"median":212.766492,"eighty":258.546771,"marketCap":2360262276},{"date":"2021-12-23","current":235.737838,"twenty":152.140126,"median":214.015174,"eighty":257.126335,"marketCap":2308109172},{"date":"2021-12-31","current":222.899277,"twenty":155.498946,"median":214.416536,"eighty":255.241524,"marketCap":2182406818},{"date":"2022-01-07","current":213.065485,"twenty":161.628464,"median":214.550323,"eighty":251.36264,"marketCap":2086124164},{"date":"2022-01-14","current":187.661523,"twenty":165.849859,"median":214.327344,"eighty":249.387351,"marketCap":1837393975},{"date":"2022-01-21","current":194.217384,"twenty":166.764712,"median":213.435429,"eighty":248.683937,"marketCap":1901582411},{"date":"2022-01-28","current":188.754167,"twenty":168.267685,"median":211.874576,"eighty":248.341352,"marketCap":1848092048},{"date":"2022-02-04","current":193.671063,"twenty":169.731451,"median":210.938065,"eighty":243.95998,"marketCap":1896233375},{"date":"2022-02-11","current":203.641435,"twenty":172.097001,"median":209.86667,"eighty":240.736682,"marketCap":1993853288},{"date":"2022-02-18","current":190.256552,"twenty":174.527897,"median":207.81636,"eighty":239.520277,"marketCap":1862801898},{"date":"2022-02-25","current":580.472661,"twenty":177.324972,"median":209.241233,"eighty":245.407733,"marketCap":1772183034},{"date":"2022-03-04","current":583.169062,"twenty":181.6793,"median":210.625894,"eighty":253.110869,"marketCap":1780415146},{"date":"2022-03-11","current":538.109937,"twenty":183.673374,"median":211.153359,"eighty":259.612099,"marketCap":1642849637},{"date":"2022-03-18","current":535.341182,"twenty":183.837271,"median":212.58152,"eighty":265.048,"marketCap":1634396630},{"date":"2022-03-25","current":434.333412,"twenty":185.080575,"median":213.703003,"eighty":271.412649,"marketCap":1326019908},{"date":"2022-04-01","current":477.81067,"twenty":187.231928,"median":214.37194,"eighty":299.520903,"marketCap":1458755975},{"date":"2022-04-08","current":448.825831,"twenty":187.661523,"median":214.70445,"eighty":318.368764,"marketCap":1370265263},{"date":"2022-04-14","current":455.975333,"twenty":187.880052,"median":216.111176,"eighty":340.49461,"marketCap":1392092692},{"date":"2022-04-22","current":414.64295,"twenty":189.054644,"median":217.047687,"eighty":434.684743,"marketCap":1265904926},{"date":"2022-04-29","current":415.522362,"twenty":190.343557,"median":218.801864,"eighty":433.737087,"marketCap":1268589772},{"date":"2022-05-06","current":386.501753,"twenty":190.713837,"median":220.461196,"eighty":429.944726,"marketCap":1179989852},{"date":"2022-05-13","current":1354.685168,"twenty":190.802873,"median":223.781651,"eighty":434.684743,"marketCap":1259857206},{"date":"2022-05-20","current":1402.344667,"twenty":190.834129,"median":229.113687,"eighty":450.582488,"marketCap":1304180540},{"date":"2022-05-27","current":1458.66953,"twenty":191.012668,"median":231.630509,"eighty":458.085923,"marketCap":1356562663},{"date":"2022-06-03","current":1566.986574,"twenty":191.226727,"median":232.869649,"eighty":468.149057,"marketCap":1457297514},{"date":"2022-06-10","current":1458.66953,"twenty":191.349195,"median":233.894002,"eighty":482.641476,"marketCap":1356562663},{"date":"2022-06-17","current":1434.117667,"twenty":192.742984,"median":235.601258,"eighty":502.403866,"marketCap":1333729430},{"date":"2022-06-24","current":1604.536483,"twenty":192.939126,"median":235.737838,"eighty":528.881524,"marketCap":1492218929},{"date":"2022-07-01","current":1582.873074,"twenty":193.006079,"median":239.68659,"eighty":537.070111,"marketCap":1472071959},{"date":"2022-07-08","current":1620.422983,"twenty":193.406861,"median":244.683856,"eighty":560.466195,"marketCap":1506993374},{"date":"2022-07-15","current":1737.405391,"twenty":193.998856,"median":249.112057,"eighty":576.179354,"marketCap":1615787014},{"date":"2022-07-22","current":1734.516937,"twenty":195.526857,"median":255.815162,"eighty":586.28854,"marketCap":1613100751},{"date":"2022-07-29","current":1848.61089,"twenty":196.881473,"median":259.366254,"eighty":1344.286732,"marketCap":1719208128},{"date":"2022-08-05","current":2170.673569,"twenty":197.460162,"median":261.551541,"eighty":1394.834685,"marketCap":2018726419},{"date":"2022-08-12","current":-857.973865,"twenty":195.526857,"median":261.551541,"eighty":1398.878522,"marketCap":2005942896},{"date":"2022-08-19","current":-788.299477,"twenty":192.89009,"median":258.956513,"eighty":1394.834685,"marketCap":1843044177},{"date":"2022-08-26","current":-743.385409,"twenty":190.896641,"median":254.859099,"eighty":1385.880476,"marketCap":1738035086},{"date":"2022-09-02","current":-677.741771,"twenty":189.655598,"median":248.755291,"eighty":1378.081649,"marketCap":1584560260},{"date":"2022-09-09","current":-811.908154,"twenty":187.231928,"median":244.683856,"eighty":1367.683213,"marketCap":1898241264},{"date":"2022-09-16","current":-765.266621,"twenty":181.6793,"median":238.855026,"eighty":1347.752877,"marketCap":1789193361},{"date":"2022-09-23","current":-724.383303,"twenty":169.54848,"median":235.73558,"eighty":1272.075369,"marketCap":1693608163},{"date":"2022-09-30","current":-847.60908,"twenty":158.936181,"median":235.019789,"eighty":1132.33727,"marketCap":1981710028},{"date":"2022-10-07","current":-844.729973,"twenty":149.304081,"median":233.284161,"eighty":878.151923,"marketCap":1974978676},{"date":"2022-10-14","current":-828.606974,"twenty":145.78843,"median":232.25485,"eighty":587.848279,"marketCap":1937283105},{"date":"2022-10-21","current":-866.611186,"twenty":141.815352,"median":231.11284,"eighty":582.30254,"marketCap":2026136952},{"date":"2022-10-28","current":-896.553897,"twenty":135.542071,"median":227.13327,"eighty":580.790719,"marketCap":2096143012},{"date":"2022-11-04","current":-853.943115,"twenty":117.375753,"median":221.69042,"eighty":579.596476,"marketCap":1996519003},{"date":"2022-11-11","current":-944.360282,"twenty":-360.651196,"median":220.392371,"eighty":576.880302,"marketCap":1975601709},{"date":"2022-11-18","current":-950.806427,"twenty":-677.511443,"median":217.582836,"eighty":573.801491,"marketCap":1989087045},{"date":"2022-11-25","current":-921.798773,"twenty":-724.84396,"median":216.557134,"eighty":570.777802,"marketCap":1928403033},{"date":"2022-12-02","current":-842.511186,"twenty":-741.427616,"median":215.040877,"eighty":563.932282,"marketCap":1762533402},{"date":"2022-12-09","current":-727.125186,"twenty":-755.362493,"median":214.550323,"eighty":561.159412,"marketCap":1521145889},{"date":"2022-12-16","current":-676.200638,"twenty":-750.871087,"median":214.327344,"eighty":559.772978,"marketCap":1414611735},{"date":"2022-12-23","current":-652.349901,"twenty":-743.846066,"median":213.250457,"eighty":555.44037,"marketCap":1364715993},{"date":"2022-12-30","current":-658.151432,"twenty":-743.385409,"median":211.874576,"eighty":538.109937,"marketCap":1376852795},{"date":"2023-01-06","current":-698.762147,"twenty":-739.65968,"median":211.045712,"eighty":537.070111,"marketCap":1461810411},{"date":"2023-01-13","current":-708.431365,"twenty":-734.622806,"median":210.492107,"eighty":535.634976,"marketCap":1482038415},{"date":"2023-01-20","current":-709.720594,"twenty":-740.591112,"median":209.241233,"eighty":533.363044,"marketCap":1484735482},{"date":"2023-01-27","current":-769.02513,"twenty":-743.615737,"median":205.629976,"eighty":531.914435,"marketCap":1608800572},{"date":"2023-02-03","current":-863.138851,"twenty":-755.327558,"median":204.605463,"eighty":529.61811,"marketCap":1805686477},{"date":"2023-02-10","current":-820.594293,"twenty":-762.321139,"median":203.407124,"eighty":527.625025,"marketCap":1716683260},{"date":"2023-02-17","current":-743.885163,"twenty":-764.512828,"median":202.643248,"eighty":515.515669,"marketCap":1556207762},{"date":"2023-02-24","current":-719.389812,"twenty":-764.254982,"median":202.412211,"eighty":505.565849,"marketCap":1504963486},{"date":"2023-03-03","current":600.718612,"twenty":-762.836831,"median":202.59602,"eighty":530.354697,"marketCap":1436918920},{"date":"2023-03-10","current":515.791381,"twenty":-760.516219,"median":203.368274,"eighty":534.022423,"marketCap":1233772984},{"date":"2023-03-17","current":537.872462,"twenty":-758.265268,"median":204.123449,"eighty":537.645989,"marketCap":1286590928},{"date":"2023-03-24","current":477.857218,"twenty":-756.430717,"median":204.870659,"eighty":537.10783,"marketCap":1143034466},{"date":"2023-03-31","current":520.320834,"twenty":-756.101096,"median":208.528796,"eighty":536.222565,"marketCap":1244607434},{"date":"2023-04-06","current":490.879394,"twenty":-755.811505,"median":209.86667,"eighty":535.16802,"marketCap":1174183510},{"date":"2023-04-14","current":583.166985,"twenty":-754.394598,"median":210.938065,"eighty":537.207055,"marketCap":1394935427},{"date":"2023-04-21","current":539.571006,"twenty":-752.145103,"median":211.874576,"eighty":540.476896,"marketCap":1290653846},{"date":"2023-04-28","current":619.402603,"twenty":-749.057293,"median":213.435429,"eighty":545.119585,"marketCap":1481611026},{"date":"2023-05-05","current":680.025566,"twenty":-743.946017,"median":214.327344,"eighty":555.537325,"marketCap":1626621155},{"date":"2023-05-12","current":-460.149672,"twenty":-743.785212,"median":214.327344,"eighty":556.556452,"marketCap":1101598314},{"date":"2023-05-19","current":-379.118656,"twenty":-743.356437,"median":213.250457,"eighty":555.537325,"marketCap":907610062},{"date":"2023-05-26","current":-448.255391,"twenty":-742.338089,"median":211.651597,"eighty":551.121109,"marketCap":1073123407},{"date":"2023-06-02","current":-464.122839,"twenty":-738.728248,"median":210.938065,"eighty":549.762274,"marketCap":1111110076},{"date":"2023-06-09","current":-454.205684,"twenty":-734.622806,"median":210.492107,"eighty":549.309328,"marketCap":1087368408},{"date":"2023-06-15","current":-474.890035,"twenty":-733.194608,"median":209.241233,"eighty":547.157839,"marketCap":1136886744},{"date":"2023-06-23","current":-463.556144,"twenty":-732.733951,"median":206.389294,"eighty":544.440167,"marketCap":1109753409},{"date":"2023-06-30","current":-465.256228,"twenty":-731.89657,"median":204.734078,"eighty":542.288677,"marketCap":1113823409},{"date":"2023-07-07","current":-469.789784,"twenty":-729.703644,"median":203.641435,"eighty":541.835732,"marketCap":1124676744},{"date":"2023-07-14","current":-517.958821,"twenty":-727.838231,"median":203.050357,"eighty":541.269551,"marketCap":1239993418},{"date":"2023-07-21","current":-502.658069,"twenty":-727.125186,"median":202.548791,"eighty":540.703369,"marketCap":1203363416},{"date":"2023-07-28","current":-504.358152,"twenty":-725.191342,"median":200.976607,"eighty":539.571006,"marketCap":1207433416},{"date":"2023-08-04","current":-503.791457,"twenty":-724.959124,"median":199.680602,"eighty":538.109937,"marketCap":1206076749},{"date":"2023-08-11","current":-200.659426,"twenty":-724.546728,"median":198.9977,"eighty":537.872462,"marketCap":1240877892},{"date":"2023-08-18","current":-187.429135,"twenty":-724.383303,"median":198.094478,"eighty":537.30628,"marketCap":1159061768},{"date":"2023-08-25","current":-167.142687,"twenty":-719.389812,"median":197.417229,"eighty":536.810154,"marketCap":1033610376},{"date":"2023-09-01","current":-167.583697,"twenty":-719.389812,"median":194.217384,"eighty":535.341182,"marketCap":1036337580},{"date":"2023-09-08","current":-151.486842,"twenty":-718.317377,"median":193.010559,"eighty":534.648534,"marketCap":936794628},{"date":"2023-09-15","current":-155.676434,"twenty":-716.146213,"median":192.742984,"eighty":533.01672,"marketCap":962703068},{"date":"2023-09-22","current":-141.123113,"twenty":-711.78336,"median":191.09294,"eighty":531.914435,"marketCap":872705331},{"date":"2023-09-29","current":-133.625948,"twenty":-709.720594,"median":190.802873,"eighty":531.378117,"marketCap":826342860},{"date":"2023-10-06","current":-119.954646,"twenty":-708.947057,"median":189.505359,"eighty":530.059156,"marketCap":741799531},{"date":"2023-10-13","current":-109.590917,"twenty":-707.657828,"median":187.661523,"eighty":528.638858,"marketCap":677710233},{"date":"2023-10-20","current":-104.298801,"twenty":-706.368599,"median":183.837271,"eighty":527.625025,"marketCap":644983783},{"date":"2023-10-27","current":-101.432237,"twenty":-705.852907,"median":183.700691,"eighty":527.278416,"marketCap":627256956},{"date":"2023-11-03","current":-94.596587,"twenty":-698.762147,"median":175.25978,"eighty":520.320834,"marketCap":584985292},{"date":"2023-11-10","current":-45.241894,"twenty":-696.183689,"median":169.639966,"eighty":520.320834,"marketCap":647230540},{"date":"2023-11-17","current":-55.61817,"twenty":-695.539074,"median":166.568672,"eighty":518.056107,"marketCap":795673533},{"date":"2023-11-24","current":-66.230154,"twenty":-695.023383,"median":156.243898,"eighty":516.244326,"marketCap":947488586},{"date":"2023-12-01","current":-65.756405,"twenty":-686.643394,"median":150.101311,"eighty":509.903093,"marketCap":940711128},{"date":"2023-12-08","current":-72.578395,"twenty":-682.002169,"median":148.859723,"eighty":508.431021,"marketCap":1038306519},{"date":"2023-12-15","current":-84.516878,"twenty":-679.81048,"median":145.88645,"eighty":507.825274,"marketCap":1209098453},{"date":"2023-12-22","current":-87.359374,"twenty":-678.078159,"median":142.558,"eighty":505.108967,"marketCap":1249763199},{"date":"2023-12-29","current":-89.538621,"twenty":-677.511443,"median":141.900303,"eighty":503.642196,"marketCap":1280939505},{"date":"2024-01-05","current":-77.315888,"twenty":-677.16595,"median":140.115618,"eighty":502.403866,"marketCap":1106081096},{"date":"2024-01-12","current":-79.021386,"twenty":-676.200638,"median":135.659695,"eighty":502.203024,"marketCap":1130479944},{"date":"2024-01-19","current":-78.737136,"twenty":-674.137872,"median":129.595271,"eighty":501.297134,"marketCap":1126413469},{"date":"2024-01-26","current":-77.884387,"twenty":-672.075106,"median":115.241882,"eighty":499.326574,"marketCap":1114214045},{"date":"2024-02-02","current":-73.999643,"twenty":-671.003199,"median":104.350981,"eighty":498.369914,"marketCap":1058638892},{"date":"2024-02-09","current":-77.505388,"twenty":-669.9106,"median":-45.241894,"eighty":495.975028,"marketCap":1108792079},{"date":"2024-02-16","current":-82.62188,"twenty":-668.708266,"median":-47.184217,"eighty":491.785284,"marketCap":1181988622},{"date":"2024-02-23","current":-80.442634,"twenty":-667.812297,"median":-52.965174,"eighty":490.539685,"marketCap":1150812317},{"date":"2024-03-01","current":-34.731014,"twenty":-665.322572,"median":-54.102172,"eighty":487.935249,"marketCap":1006504776},{"date":"2024-03-08","current":-82.554961,"twenty":-663.566194,"median":-56.139294,"eighty":485.330815,"marketCap":935265152},{"date":"2024-03-15","current":-73.445847,"twenty":-662.117428,"median":-58.650165,"eighty":483.445444,"marketCap":892220150},{"date":"2024-03-22","current":-71.184318,"twenty":-659.420252,"median":-64.998406,"eighty":482.641476,"marketCap":864747096},{"date":"2024-03-28","current":-71.399702,"twenty":-657.377894,"median":-65.993279,"eighty":482.641476,"marketCap":867363577},{"date":"2024-04-05","current":-69.892016,"twenty":-654.670513,"median":-67.738179,"eighty":480.727773,"marketCap":849048207},{"date":"2024-04-12","current":-67.84587,"twenty":-652.349901,"median":-67.890761,"eighty":477.838599,"marketCap":824191634},{"date":"2024-04-19","current":-64.184347,"twenty":-642.036069,"median":-67.307411,"eighty":476.054013,"marketCap":779711451},{"date":"2024-04-26","current":-60.834531,"twenty":-626.307474,"median":-66.230154,"eighty":471.31104,"marketCap":739017879},{"date":"2024-05-03","current":-66.993622,"twenty":-590.896353,"median":-66.230154,"eighty":468.149057,"marketCap":813838517},{"date":"2024-05-10","current":-70.711743,"twenty":-531.786168,"median":-66.719749,"eighty":466.216735,"marketCap":813892159},{"date":"2024-05-17","current":-70.48364,"twenty":-521.699005,"median":-67.307411,"eighty":462.615588,"marketCap":811266701},{"date":"2024-05-24","current":-67.518309,"twenty":-520.678955,"median":-67.792024,"eighty":460.206502,"marketCap":777135739},{"date":"2024-05-31","current":-64.78108,"twenty":-519.318888,"median":-67.68527,"eighty":458.085923,"marketCap":745630236},{"date":"2024-06-07","current":-68.088565,"twenty":-517.392126,"median":-67.518309,"eighty":457.70915,"marketCap":783699386},{"date":"2024-06-14","current":-68.886924,"twenty":-515.125348,"median":-67.738179,"eighty":457.609116,"marketCap":792888491},{"date":"2024-06-21","current":-62.157903,"twenty":-511.498503,"median":-67.518309,"eighty":456.30209,"marketCap":715437463},{"date":"2024-06-28","current":-62.614108,"twenty":-510.478453,"median":-67.518309,"eighty":454.984597,"marketCap":720688380},{"date":"2024-07-05","current":-63.526517,"twenty":-510.025098,"median":-67.20973,"eighty":451.021652,"marketCap":731190214},{"date":"2024-07-12","current":-70.597692,"twenty":-510.025098,"median":-66.742735,"eighty":448.825831,"marketCap":812579430},{"date":"2024-07-15","current":-70.711743,"twenty":-510.025098,"median":-66.993622,"eighty":448.737998,"marketCap":813892159},{"date":"2024-08-02","current":-73.106818,"twenty":-510.025098,"median":-67.101676,"eighty":448.650165,"marketCap":841459474},{"date":"2024-08-09","current":-40.599243,"twenty":-510.025098,"median":-66.491848,"eighty":447.025071,"marketCap":712760308},{"date":"2024-08-16","current":-40.524337,"twenty":-509.79842,"median":-66.338015,"eighty":440.898637,"marketCap":711445252},{"date":"2024-08-23","current":-39.176022,"twenty":-508.778369,"median":-65.756405,"eighty":434.59691,"marketCap":687774246},{"date":"2024-08-30","current":-42.621714,"twenty":-507.078286,"median":-65.408362,"eighty":433.140762,"marketCap":748266818},{"date":"2024-09-06","current":-40.749056,"twenty":-505.718219,"median":-65.077553,"eighty":429.944726,"marketCap":715390420},{"date":"2024-09-13","current":-35.505611,"twenty":-504.358152,"median":-64.940591,"eighty":424.316486,"marketCap":623336506},{"date":"2024-09-20","current":-39.62546,"twenty":-504.358152,"median":-64.78108,"eighty":424.052662,"marketCap":695664581},{"date":"2024-09-27","current":-38.951303,"twenty":-504.244813,"median":-64.292039,"eighty":422.909427,"marketCap":683829078},{"date":"2024-10-04","current":-38.501865,"twenty":-503.564779,"median":-64.14056,"eighty":421.150602,"marketCap":675938742},{"date":"2024-10-11","current":-36.479394,"twenty":-502.600023,"median":-63.982722,"eighty":415.34648,"marketCap":640432233},{"date":"2024-10-18","current":-38.501865,"twenty":-502.312544,"median":-63.7541,"eighty":413.060008,"marketCap":675938742},{"date":"2024-10-25","current":-35.880143,"twenty":-501.298002,"median":-63.640568,"eighty":406.728238,"marketCap":629911785},{"date":"2024-10-31","current":-36.704113,"twenty":-498.124512,"median":-63.298415,"eighty":406.728238,"marketCap":644377400},{"date":"2024-11-08","current":-92.21561,"twenty":-490.757483,"median":-63.412466,"eighty":403.210589,"marketCap":936910599},{"date":"2024-11-15","current":-81.394108,"twenty":-489.057399,"median":-63.75358,"eighty":402.770882,"marketCap":826964141},{"date":"2024-11-22","current":-81.901237,"twenty":-481.123675,"median":-63.811645,"eighty":386.501753,"marketCap":832116566},{"date":"2024-11-29","current":-82.788712,"twenty":-477.043474,"median":-63.982722,"eighty":360.119381,"marketCap":841133309},{"date":"2024-12-06","current":-82.915494,"twenty":-475.116713,"median":-64.184347,"eighty":345.784958,"marketCap":842421415},{"date":"2024-12-13","current":-82.028019,"twenty":-473.529969,"median":-64.360973,"eighty":342.367645,"marketCap":833404672},{"date":"2024-12-20","current":-78.47812,"twenty":-472.736596,"median":-64.78108,"eighty":335.987461,"marketCap":797337700},{"date":"2024-12-27","current":-82.788712,"twenty":-470.923173,"median":-64.940591,"eighty":327.437778,"marketCap":841133309},{"date":"2025-01-03","current":-83.29584,"twenty":-469.336428,"median":-64.998406,"eighty":321.53751,"marketCap":846285733},{"date":"2025-01-10","current":-86.592175,"twenty":-468.656395,"median":-65.351336,"eighty":319.051587,"marketCap":879776493},{"date":"2025-01-17","current":-69.603373,"twenty":-468.656395,"median":-65.724947,"eighty":315.746659,"marketCap":707170270},{"date":"2025-01-24","current":-72.139015,"twenty":-468.656395,"median":-66.230154,"eighty":313.452108,"marketCap":732932393},{"date":"2025-01-31","current":-71.758669,"twenty":-467.523006,"median":-66.491848,"eighty":310.583531,"marketCap":729068075},{"date":"2025-02-07","current":-71.124758,"twenty":-465.256228,"median":-66.742735,"eighty":309.901016,"marketCap":722627544},{"date":"2025-02-14","current":-66.180256,"twenty":-464.122839,"median":-66.491848,"eighty":283.950733,"marketCap":672391405},{"date":"2025-02-21","current":-65.926692,"twenty":-463.669483,"median":-66.491848,"eighty":277.176343,"marketCap":669815192},{"date":"2025-02-28","current":-102.920108,"twenty":-462.649433,"median":-66.376457,"eighty":273.84378,"marketCap":619579053},{"date":"2025-03-07","current":-94.902709,"twenty":-460.604289,"median":-66.491848,"eighty":271.904338,"marketCap":571314310},{"date":"2025-03-14","current":-88.093546,"twenty":-459.248005,"median":-67.25857,"eighty":271.303384,"marketCap":530323149},{"date":"2025-03-21","current":-86.391255,"twenty":-458.569232,"median":-67.518309,"eighty":267.205971,"marketCap":520075358},{"date":"2025-03-28","current":-87.242401,"twenty":-457.549182,"median":-67.71991,"eighty":266.086011,"marketCap":525199253},{"date":"2025-04-04","current":-79.15652,"twenty":-455.509082,"median":-67.935652,"eighty":265.949431,"marketCap":476522249},{"date":"2025-04-11","current":-74.900793,"twenty":-454.375692,"median":-67.974514,"eighty":264.173885,"marketCap":450902774},{"date":"2025-04-17","current":-78.092588,"twenty":-453.695659,"median":-68.088565,"eighty":262.425656,"marketCap":470117380},{"date":"2025-04-25","current":-81.284383,"twenty":-453.355642,"median":-68.430719,"eighty":261.551541,"marketCap":489331987},{"date":"2025-05-02","current":-78.730947,"twenty":-451.655559,"median":-68.687359,"eighty":260.486213,"marketCap":473960302},{"date":"2025-05-09","current":-42.975273,"twenty":-449.50212,"median":-68.815097,"eighty":259.53015,"marketCap":483600748},{"date":"2025-05-16","current":-30.164991,"twenty":-448.482069,"median":-68.601796,"eighty":258.874564,"marketCap":339446645},{"date":"2025-05-23","current":-27.576205,"twenty":-447.575358,"median":-68.335552,"eighty":257.481444,"marketCap":310315030},{"date":"2025-05-30","current":-29.151988,"twenty":-446.668646,"median":-68.088565,"eighty":256.006375,"marketCap":328047317},{"date":"2025-06-06","current":-37.593683,"twenty":-444.628546,"median":-67.96486,"eighty":253.110869,"marketCap":423041714},{"date":"2025-06-13","current":-37.818795,"twenty":-435.332429,"median":-67.84587,"eighty":249.937938,"marketCap":425574898},{"date":"2025-06-20","current":-34.554673,"twenty":-422.06945,"median":-67.701642,"eighty":248.96935,"marketCap":388843731},{"date":"2025-06-27","current":-39.957358,"twenty":-409.720162,"median":-67.419802,"eighty":248.379467,"marketCap":449640145},{"date":"2025-07-03","current":-42.321032,"twenty":-398.386271,"median":-67.25857,"eighty":248.303238,"marketCap":476238576},{"date":"2025-07-11","current":-40.069914,"twenty":-390.452547,"median":-66.491848,"eighty":241.064475,"marketCap":450906737},{"date":"2025-07-18","current":-37.143459,"twenty":-388.752463,"median":-66.376457,"eighty":240.518153,"marketCap":417975346},{"date":"2025-07-25","current":-37.481127,"twenty":-379.118656,"median":-66.230154,"eighty":238.855026,"marketCap":421775122},{"date":"2025-08-01","current":-40.520137,"twenty":-207.054067,"median":-66.053474,"eighty":237.649964,"marketCap":455973105},{"date":"2025-08-08","current":-81.675996,"twenty":-200.659426,"median":-65.926692,"eighty":235.737838,"marketCap":522889727},{"date":"2025-08-15","current":-81.079821,"twenty":-198.233873,"median":-66.205205,"eighty":235.733321,"marketCap":519073014},{"date":"2025-08-22","current":-79.688746,"twenty":-196.690339,"median":-66.307038,"eighty":235.601258,"marketCap":510167349},{"date":"2025-08-29","current":-82.868346,"twenty":-196.690339,"median":-66.491848,"eighty":235.019789,"marketCap":530523154},{"date":"2025-09-05","current":-79.09257,"twenty":-192.985857,"median":-67.101676,"eighty":234.283056,"marketCap":506350636},{"date":"2025-09-12","current":-82.073446,"twenty":-188.355255,"median":-67.321295,"eighty":233.771079,"marketCap":525434203},{"date":"2025-09-19","current":-81.278546,"twenty":-186.723519,"median":-67.667001,"eighty":233.041179,"marketCap":520345252},{"date":"2025-09-26","current":-67.367792,"twenty":-184.694874,"median":-67.738179,"eighty":232.871557,"marketCap":431288607},{"date":"2025-10-03","current":-72.534644,"twenty":-178.675092,"median":-67.751711,"eighty":232.37781,"marketCap":464366789},{"date":"2025-10-10","current":-78.29767,"twenty":-177.285911,"median":-67.935652,"eighty":231.755377,"marketCap":501261685},{"date":"2025-10-17","current":-79.887471,"twenty":-175.345468,"median":-67.974514,"eighty":231.559155,"marketCap":511439587},{"date":"2025-10-24","current":-82.669621,"twenty":-171.332279,"median":-68.088565,"eighty":230.855753,"marketCap":529250916},{"date":"2025-10-31","current":-75.91297,"twenty":-169.215433,"median":-68.487744,"eighty":228.171282,"marketCap":485994831},{"date":"2025-11-07","current":-45.281305,"twenty":-168.730322,"median":-68.54477,"eighty":227.215218,"marketCap":580506328},{"date":"2025-11-14","current":-45.580521,"twenty":-168.157009,"median":-68.212059,"eighty":224.451975,"marketCap":584342273},{"date":"2025-11-21","current":-51.963788,"twenty":-167.671899,"median":-67.974514,"eighty":223.075752,"marketCap":666175764},{"date":"2025-11-28","current":-56.352285,"twenty":-167.319091,"median":-67.955206,"eighty":221.448649,"marketCap":722436289},{"date":"2025-12-05","current":-51.86405,"twenty":-165.422749,"median":-67.805556,"eighty":220.457123,"marketCap":664897116},{"date":"2025-12-12","current":-49.570063,"twenty":-161.233157,"median":-67.701642,"eighty":220.411754,"marketCap":635488205},{"date":"2025-12-19","current":-47.874507,"twenty":-157.087665,"median":-67.542413,"eighty":219.438067,"marketCap":613751184},{"date":"2025-12-26","current":-50.567448,"twenty":-155.235424,"median":-67.344544,"eighty":218.332091,"marketCap":648274688},{"date":"2026-01-02","current":-50.367971,"twenty":-154.529809,"median":-67.25857,"eighty":217.609594,"marketCap":645717391},{"date":"2026-01-09","current":-54.158036,"twenty":-154.353405,"median":-66.993622,"eighty":217.34202,"marketCap":694306026},{"date":"2026-01-16","current":-56.053069,"twenty":-153.868294,"median":-66.468862,"eighty":216.557134,"marketCap":718600344},{"date":"2026-01-23","current":-55.554376,"twenty":-151.927851,"median":-66.268596,"eighty":216.557134,"marketCap":712207103},{"date":"2026-01-30","current":-49.969017,"twenty":-151.486842,"median":-66.180256,"eighty":216.111176,"marketCap":640602798},{"date":"2026-02-06","current":-44.882351,"twenty":-151.486842,"median":-65.926692,"eighty":215.040877,"marketCap":575391735},{"date":"2026-02-13","current":-41.590978,"twenty":-147.517754,"median":-65.756405,"eighty":214.70445,"marketCap":533196341},{"date":"2026-02-20","current":-43.286534,"twenty":-142.931253,"median":-65.465388,"eighty":214.688179,"marketCap":554933362},{"date":"2026-02-27","current":-8.455271,"twenty":-141.608224,"median":-65.292782,"eighty":214.470051,"marketCap":562605252},{"date":"2026-03-06","current":-8.461949,"twenty":-141.211315,"median":-65.039217,"eighty":214.345182,"marketCap":563049595},{"date":"2026-03-13","current":-7.727807,"twenty":-140.770305,"median":-64.969499,"eighty":214.327344,"marketCap":514200544},{"date":"2026-03-20","current":-8.713102,"twenty":-139.976488,"median":-64.830498,"eighty":213.827871,"marketCap":579761113},{"date":"2026-03-27","current":-8.848339,"twenty":-139.62368,"median":-64.605493,"eighty":213.488944,"marketCap":588759622},{"date":"2026-04-02","current":-8.655144,"twenty":-137.595035,"median":-64.251432,"eighty":213.213463,"marketCap":575904609},{"date":"2026-04-10","current":-8.925617,"twenty":-134.684371,"median":-64.096773,"eighty":212.484727,"marketCap":593901628},{"date":"2026-04-17","current":-8.906297,"twenty":-126.878499,"median":-63.925697,"eighty":211.82998,"marketCap":592616126},{"date":"2026-04-24","current":-8.230114,"twenty":-121.983291,"median":-63.75358,"eighty":211.352654,"marketCap":547623579},{"date":"2026-05-01","current":-8.8097,"twenty":-120.660262,"median":-63.583543,"eighty":211.024183,"marketCap":586188620},{"date":"2026-05-08","current":-9.549009,"twenty":-119.822343,"median":-63.298415,"eighty":210.831035,"marketCap":635381528},{"date":"2026-05-15","current":-5.854808,"twenty":-119.337233,"median":-62.591538,"eighty":210.599137,"marketCap":433273379},{"date":"2026-05-22","current":-6.910593,"twenty":-119.072627,"median":-62.239236,"eighty":209.741583,"marketCap":511404644},{"date":"2026-05-29","current":-7.189809,"twenty":-118.808021,"median":-61.815749,"eighty":209.241233,"marketCap":532067458},{"date":"2026-06-05","current":-7.55628,"twenty":-118.411112,"median":-59.742348,"eighty":208.671284,"marketCap":559187401},{"date":"2026-06-12","current":-7.015299,"twenty":-118.32291,"median":-58.247317,"eighty":207.245534,"marketCap":519153199},{"date":"2026-06-18","current":-6.945495,"twenty":-117.176285,"median":-57.848363,"eighty":206.085567,"marketCap":513987496},{"date":"2026-06-26","current":-7.800594,"twenty":-112.633884,"median":-56.755697,"eighty":204.843343,"marketCap":577267363},{"date":"2026-07-02","current":-7.992555,"twenty":-110.693442,"median":-56.352285,"eighty":204.734078,"marketCap":591473048},{"date":"2026-07-10","current":-8.010006,"twenty":-109.590917,"median":-55.61817,"eighty":204.605463,"marketCap":592764474},{"date":"2026-07-17","current":-8.097261,"twenty":-106.724354,"median":-55.30503,"eighty":203.641435,"marketCap":599221603},{"date":"2026-07-24","current":-7.957653,"twenty":-106.54795,"median":-55.105553,"eighty":203.56325,"marketCap":588890196},{"date":"2026-07-31","current":-7.521378,"twenty":-106.636152,"median":-55.155422,"eighty":203.602343,"marketCap":556604549},{"date":"2026-08-07","current":-6.710645,"twenty":-106.636152,"median":-55.155422,"eighty":203.602343,"marketCap":540730332},{"date":"2026-08-14","current":-7.888234,"twenty":-106.636152,"median":-55.155422,"eighty":203.602343,"marketCap":635618107},{"date":"2026-08-21","current":-7.517213,"twenty":-106.636152,"median":-55.155422,"eighty":203.602343,"marketCap":605721958},{"date":"2026-08-24","current":-7.759183,"twenty":-106.636152,"median":-55.155422,"eighty":203.602343,"marketCap":625219446}],"updateTime":1787662467949},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"CTKB\",pageSize:20,pageCount:1,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"21657182","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526361705-CTKB","pdf_url":"","pub_time":1787544000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CTKB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526361705/0001193125-26-361705-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 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-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526361705/d137695dex991.htm","primary":true,"translateUrl":"","linkName":"d137695dex991.htm","type":"EX-99.1","id":"NTFILE149oRepBVcG5EWxe","market":"us","size":12811},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526361705/d137695d8k.htm","primary":false,"translateUrl":"","linkName":"d137695d8k.htm","type":"8-K","id":"NTFILE4ceNXah37wZM6wYT","market":"us","size":28263}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-08-24 12:00","pubTimestamp":1787544000,"title_zh":"Form 8-K - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 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":"21587011","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465926092212-CTKB","pdf_url":"","pub_time":1785988800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","symbol":"CTKB","title":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000110465926092212/0001104659-26-092212-index.htm","us_notice_code":"Form SCHEDULE 13G/A","us_title_en":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1273087/000110465926092212/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G/A","id":"NTFILEF8Yp6XFuzdgoNMTV","market":"us","size":0},{"description":"EXHIBIT I","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1273087/000110465926092212/tm2622465d1_ex-i.htm","primary":false,"translateUrl":"","linkName":"tm2622465d1_ex-i.htm","type":"EX-99.1","id":"NTFILEDjDPxYG1PUVUkFLT","market":"us","size":5839}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2026-08-06 12:00","pubTimestamp":1785988800,"title_zh":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21580875","market":"us","labels":[],"media":"sec.gov","original_id":"AN162828026053496-CTKB","pdf_url":"","pub_time":1785902400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"CTKB","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026053496/0001628280-26-053496-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":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026053496/ctkb-20260630.htm","primary":true,"translateUrl":"","linkName":"ctkb-20260630.htm","type":"10-Q","id":"NTFILEJ342Ttn9x6jhCVZD","market":"us","size":1981468},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026053496/exhibit101-severanceagreem.htm","primary":false,"translateUrl":"","linkName":"exhibit101-severanceagreem.htm","type":"EX-10.1","id":"NTFILE6fyrrTPPqkNUH2Fo","market":"us","size":137276},{"description":"EX-31.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026053496/ctkb-20260630exx311.htm","primary":false,"translateUrl":"","linkName":"ctkb-20260630exx311.htm","type":"EX-31.1","id":"NTFILE4YXUTTJCEBymg98L","market":"us","size":10926},{"description":"EX-31.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026053496/ctkb-20260630exx312.htm","primary":false,"translateUrl":"","linkName":"ctkb-20260630exx312.htm","type":"EX-31.2","id":"NTFILE39dMJUuBpsATtUPA","market":"us","size":10559},{"description":"EX-32.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026053496/ctkb-20260630exx321.htm","primary":false,"translateUrl":"","linkName":"ctkb-20260630exx321.htm","type":"EX-32.1","id":"NTFILEGUV2hebBQResX4F2","market":"us","size":5286},{"description":"EX-32.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026053496/ctkb-20260630exx322.htm","primary":false,"translateUrl":"","linkName":"ctkb-20260630exx322.htm","type":"EX-32.2","id":"NTFILEE83QXtc5t66H4mxb","market":"us","size":5651}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2026-08-05 12:00","pubTimestamp":1785902400,"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":"21580401","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526335212-CTKB","pdf_url":"","pub_time":1785902400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CTKB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526335212/0001193125-26-335212-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/1831915/000119312526335212/d118986dex991.htm","primary":true,"translateUrl":"","linkName":"d118986dex991.htm","type":"EX-99.1","id":"NTFILEEHfFMPdh54FkPYPv","market":"us","size":129652},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526335212/d118986d8k.htm","primary":false,"translateUrl":"","linkName":"d118986d8k.htm","type":"8-K","id":"NTFILE7Bztc8AAKQiK1cEH","market":"us","size":25494}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-08-05 12:00","pubTimestamp":1785902400,"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":"21575173","market":"us","labels":[],"media":"sec.gov","original_id":"AN138606026000050-CTKB","pdf_url":"","pub_time":1785816000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","symbol":"CTKB","title":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000138606026000050/0001386060-26-000050-index.htm","us_notice_code":"Form SCHEDULE 13G","us_title_en":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1386060/000138606026000050/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G","id":"NTFILEAm5RENQhPmGna7NL","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2026-08-04 12:00","pubTimestamp":1785816000,"title_zh":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21507660","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526304789-CTKB","pdf_url":"","pub_time":1784088000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CTKB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526304789/0001193125-26-304789-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526304789/d99130d8k.htm","primary":true,"translateUrl":"","linkName":"d99130d8k.htm","type":"8-K","id":"NTFILE9V8ciqrcEBCGbqBp","market":"us","size":26212}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-07-15 12:00","pubTimestamp":1784088000,"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":"21484392","market":"us","labels":[],"media":"sec.gov","original_id":"AN201238326001934-CTKB","pdf_url":"","pub_time":1783483200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","symbol":"CTKB","title":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000201238326001934/0002012383-26-001934-index.htm","us_notice_code":"Form SCHEDULE 13G/A","us_title_en":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000201238326001934/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G/A","id":"NTFILEGS8VzYMKGAhxxB4d","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2026-07-08 12:00","pubTimestamp":1783483200,"title_zh":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21432662","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526282871-CTKB","pdf_url":"","pub_time":1782360000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CTKB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526282871/0001193125-26-282871-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526282871/d175876d8k.htm","primary":true,"translateUrl":"","linkName":"d175876d8k.htm","type":"8-K","id":"NTFILEHjFaEaKqbcNtJvca","market":"us","size":23090}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-06-25 12:00","pubTimestamp":1782360000,"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":"21402485","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526272582-CTKB","pdf_url":"","pub_time":1781582400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CTKB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526272582/0001193125-26-272582-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/1831915/000119312526272582/d107901d8k.htm","primary":true,"translateUrl":"","linkName":"d107901d8k.htm","type":"8-K","id":"NTFILE4kfx6nuns3kzchv4","market":"us","size":32948}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-06-16 12:00","pubTimestamp":1781582400,"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":"21347212","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526253538-CTKB","pdf_url":"","pub_time":1780431352000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CTKB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/0001193125-26-253538-index.html","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526253538/d161903d8k.htm","primary":true,"translateUrl":"","linkName":"d161903d8k.htm","type":"8-K","id":"NTFILEC1fyXZHpg9D4fZmk","market":"us","size":22160}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-06-03 04:15","pubTimestamp":1780431352,"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":"21278363","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465926063322-CTKB","pdf_url":"","pub_time":1779076800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","symbol":"CTKB","title":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000110465926063322/0001104659-26-063322-index.htm","us_notice_code":"Form SCHEDULE 13G/A","us_title_en":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1273087/000110465926063322/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G/A","id":"NTFILEGv1Vf4xCj6CaCELR","market":"us","size":0},{"description":"EXHIBIT 1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1273087/000110465926063322/tm2614956d1_ex-1.htm","primary":false,"translateUrl":"","linkName":"tm2614956d1_ex-1.htm","type":"EX-99.1","id":"NTFILE5mfw3zfY1aKp8EzR","market":"us","size":5636}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2026-05-18 12:00","pubTimestamp":1779076800,"title_zh":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21226766","market":"us","labels":[],"media":"sec.gov","original_id":"AN162828026032293-CTKB","pdf_url":"","pub_time":1778126400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"CTKB","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026032293/0001628280-26-032293-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":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026032293/ctkb-20260331.htm","primary":true,"translateUrl":"","linkName":"ctkb-20260331.htm","type":"10-Q","id":"NTFILECApY6wVH3RyqaAQy","market":"us","size":1628603},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026032293/ctkb-20260331exx311.htm","primary":false,"translateUrl":"","linkName":"ctkb-20260331exx311.htm","type":"EX-31.1","id":"NTFILE9RCL1qeTrfrTUjK3","market":"us","size":10845},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026032293/ctkb-20260331exx312.htm","primary":false,"translateUrl":"","linkName":"ctkb-20260331exx312.htm","type":"EX-31.2","id":"NTFILE8uveBvPiSFhAEiDU","market":"us","size":10502},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026032293/ctkb-20260331exx321.htm","primary":false,"translateUrl":"","linkName":"ctkb-20260331exx321.htm","type":"EX-32.1","id":"NTFILEBJjrHQsZxvctzHq6","market":"us","size":5206},{"description":"EX-32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026032293/ctkb-20260331exx322.htm","primary":false,"translateUrl":"","linkName":"ctkb-20260331exx322.htm","type":"EX-32.2","id":"NTFILED3qg9JCjWR2Bd6i8","market":"us","size":5571}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2026-05-07 12:00","pubTimestamp":1778126400,"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":"21226063","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526211948-CTKB","pdf_url":"","pub_time":1778126400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CTKB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526211948/0001193125-26-211948-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/1831915/000119312526211948/d146722dex991.htm","primary":true,"translateUrl":"","linkName":"d146722dex991.htm","type":"EX-99.1","id":"NTFILEHV4SrbHAwAMk443S","market":"us","size":98977},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526211948/d146722d8k.htm","primary":false,"translateUrl":"","linkName":"d146722d8k.htm","type":"8-K","id":"NTFILE3TfBHt1bogbxGw5a","market":"us","size":25815}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-05-07 12:00","pubTimestamp":1778126400,"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":"20981240","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465926041573-CTKB","pdf_url":"","pub_time":1775707200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","symbol":"CTKB","title":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000110465926041573/0001104659-26-041573-index.htm","us_notice_code":"Form SCHEDULE 13G","us_title_en":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1273087/000110465926041573/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G","id":"NTFILECSxccagxU2Y3561D","market":"us","size":0},{"description":"EXHIBIT 1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1273087/000110465926041573/tm2611514_ex-1.htm","primary":false,"translateUrl":"","linkName":"tm2611514_ex-1.htm","type":"EX-99.1","id":"NTFILEB1sW3W7kSUgw7iPe","market":"us","size":4681}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2026-04-09 12:00","pubTimestamp":1775707200,"title_zh":"Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20778041","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526082841-CTKB","pdf_url":"","pub_time":1772168400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form S-8 - Securities to be offered to employees in employee benefit plans","symbol":"CTKB","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/1831915/000119312526082841/0001193125-26-082841-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":"","gpt_en_title":"","attachments":[{"description":"S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526082841/d106864ds8.htm","primary":true,"translateUrl":"","linkName":"d106864ds8.htm","type":"S-8","id":"NTFILEECAmKLoPqNdFVgnc","market":"us","size":47168},{"description":"EX-5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526082841/d106864dex51.htm","primary":false,"translateUrl":"","linkName":"d106864dex51.htm","type":"EX-5.1","id":"NTFILEAw1e1nzURFKkxM7b","market":"us","size":8254},{"description":"EX-23.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526082841/d106864dex232.htm","primary":false,"translateUrl":"","linkName":"d106864dex232.htm","type":"EX-23.2","id":"NTFILEGovBTs7BFiUkd3fu","market":"us","size":1888},{"description":"EX-FILING FEES","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526082841/d106864dexfilingfees.htm","primary":false,"translateUrl":"","linkName":"d106864dexfilingfees.htm","type":"EX-FILING FEES","id":"NTFILE5A69HcSrRNQbcPHY","market":"us","size":16595},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526082841/g106864g0226021156054.jpg","primary":false,"translateUrl":"","linkName":"g106864g0226021156054.jpg","type":"GRAPHIC","id":"NTFILE2Tyts89W1CEPDnQN","market":"us","size":3475}],"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":"2026-02-27 13:00","pubTimestamp":1772168400,"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":"20771106","market":"us","labels":[],"media":"sec.gov","original_id":"AN162828026012352-CTKB","pdf_url":"","pub_time":1772082000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"CTKB","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/1831915/000162828026012352/0001628280-26-012352-index.htm","us_notice_code":"Form 10-K","us_title_en":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026012352/ctkb-20251231.htm","primary":true,"translateUrl":"","linkName":"ctkb-20251231.htm","type":"10-K","id":"NTFILEBrhbFmq7ff7fzCqB","market":"us","size":2485248},{"description":"EX-19.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026012352/exhibit191insidertradingpo.htm","primary":false,"translateUrl":"","linkName":"exhibit191insidertradingpo.htm","type":"EX-19.1","id":"NTFILEDm5aE9e5oh5dAEP8","market":"us","size":89368},{"description":"EX-21.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026012352/exhibit211ctkb20251231-sub.htm","primary":false,"translateUrl":"","linkName":"exhibit211ctkb20251231-sub.htm","type":"EX-21.1","id":"NTFILE6B3887HLd7ubMis5","market":"us","size":10610},{"description":"EX-23.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026012352/exhibit231deloittecytek202.htm","primary":false,"translateUrl":"","linkName":"exhibit231deloittecytek202.htm","type":"EX-23.1","id":"NTFILEH7zkBavvvRGAQ4BM","market":"us","size":2703},{"description":"EX-31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026012352/ctkb-20251231ex311.htm","primary":false,"translateUrl":"","linkName":"ctkb-20251231ex311.htm","type":"EX-31.1","id":"NTFILE5LeCNifz9FRAHELt","market":"us","size":11054},{"description":"EX-31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026012352/ctkb-20251231ex312.htm","primary":false,"translateUrl":"","linkName":"ctkb-20251231ex312.htm","type":"EX-31.2","id":"NTFILEAnHCeo1rNTfxMCE6","market":"us","size":11009},{"description":"EX-32.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026012352/ctkb-20251231ex321.htm","primary":false,"translateUrl":"","linkName":"ctkb-20251231ex321.htm","type":"EX-32.1","id":"NTFILEHMpr6tkKa54VsNnU","market":"us","size":5417},{"description":"EX-32.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026012352/ctkb-20251231ex322.htm","primary":false,"translateUrl":"","linkName":"ctkb-20251231ex322.htm","type":"EX-32.2","id":"NTFILEB9pwvXd1iyJppkkY","market":"us","size":5370},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026012352/ctkb-20251231_g1.jpg","primary":false,"translateUrl":"","linkName":"ctkb-20251231_g1.jpg","type":"GRAPHIC","id":"NTFILE7WrqMgMsCxEofYVN","market":"us","size":164856},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026012352/image.jpg","primary":false,"translateUrl":"","linkName":"image.jpg","type":"GRAPHIC","id":"NTFILE9vfmU5ZrX25CU8wj","market":"us","size":17839},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828026012352/image1.jpg","primary":false,"translateUrl":"","linkName":"image1.jpg","type":"GRAPHIC","id":"NTFILEdTCBVqTYWtyJWdBj","market":"us","size":154362}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2026-02-26 13:00","pubTimestamp":1772082000,"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":"20771095","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526076768-CTKB","pdf_url":"","pub_time":1772082000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CTKB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526076768/0001193125-26-076768-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/1831915/000119312526076768/d106442dex991.htm","primary":true,"translateUrl":"","linkName":"d106442dex991.htm","type":"EX-99.1","id":"NTFILEktX42FL4VoFfDNyh","market":"us","size":150824},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526076768/d106442d8k.htm","primary":false,"translateUrl":"","linkName":"d106442d8k.htm","type":"8-K","id":"NTFILEEJsEZF9qPjZsnBty","market":"us","size":25501}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-02-26 13:00","pubTimestamp":1772082000,"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":"20628614","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526011748-CTKB","pdf_url":"","pub_time":1768280400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CTKB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526011748/0001193125-26-011748-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/1831915/000119312526011748/d41645dex991.htm","primary":true,"translateUrl":"","linkName":"d41645dex991.htm","type":"EX-99.1","id":"NTFILE4gWH6ESSqpHSXE7h","market":"us","size":14873},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312526011748/d41645d8k.htm","primary":false,"translateUrl":"","linkName":"d41645d8k.htm","type":"8-K","id":"NTFILE6CpCEn1juzSzaGJW","market":"us","size":25603}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-01-13 13:00","pubTimestamp":1768280400,"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":"20374273","market":"us","labels":[],"media":"sec.gov","original_id":"AN162828025049697-CTKB","pdf_url":"","pub_time":1762318800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"CTKB","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1831915/000162828025049697/0001628280-25-049697-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":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828025049697/ctkb-20250930.htm","primary":true,"translateUrl":"","linkName":"ctkb-20250930.htm","type":"10-Q","id":"NTFILE8voJC31kcAnmKfVr","market":"us","size":2114121},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828025049697/exhibit101-contractamendme.htm","primary":false,"translateUrl":"","linkName":"exhibit101-contractamendme.htm","type":"EX-10.1","id":"NTFILEGqD8g15hWW8GZptf","market":"us","size":48041},{"description":"EX-31.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828025049697/ctkb-20250930exx311.htm","primary":false,"translateUrl":"","linkName":"ctkb-20250930exx311.htm","type":"EX-31.1","id":"NTFILE7bu6fBzVP1taf26g","market":"us","size":10850},{"description":"EX-31.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828025049697/ctkb-20250930exx312.htm","primary":false,"translateUrl":"","linkName":"ctkb-20250930exx312.htm","type":"EX-31.2","id":"NTFILEGxV6wzvKPs9Zc5ZT","market":"us","size":10507},{"description":"EX-32.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828025049697/ctkb-20250930exx321.htm","primary":false,"translateUrl":"","linkName":"ctkb-20250930exx321.htm","type":"EX-32.1","id":"NTFILE7vsXxxm4oXmFy1vJ","market":"us","size":5207},{"description":"EX-32.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828025049697/ctkb-20250930exx322.htm","primary":false,"translateUrl":"","linkName":"ctkb-20250930exx322.htm","type":"EX-32.2","id":"NTFILEEUZqKXB3WbMWBFKx","market":"us","size":5572},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000162828025049697/image.jpg","primary":false,"translateUrl":"","linkName":"image.jpg","type":"GRAPHIC","id":"NTFILEEzs1WvWQQz8XMKni","market":"us","size":18168}],"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":"2025-11-05 13:00","pubTimestamp":1762318800,"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":"20374259","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525266973-CTKB","pdf_url":"","pub_time":1762318800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CTKB","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1831915/000119312525266973/0001193125-25-266973-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/1831915/000119312525266973/d161249dex991.htm","primary":true,"translateUrl":"","linkName":"d161249dex991.htm","type":"EX-99.1","id":"NTFILEkjqs5FXxTSchecm8","market":"us","size":123994},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1831915/000119312525266973/d161249d8k.htm","primary":false,"translateUrl":"","linkName":"d161249d8k.htm","type":"8-K","id":"NTFILEA7Turp7uAoLej8X7","market":"us","size":25576}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-11-05 13:00","pubTimestamp":1762318800,"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}],"pageSize":20,"totalPage":6,"pageCount":1,"totalSize":119,"code":"91000000","status":"200"}]}}