Castle Biosciences, Inc.

35.48

-0.0200-0.06%

Volume:559.27K

Turnover:20.02M

Market Cap:1.08B

PE:-54.24

High:36.82

Open:35.50

Low:35.26

Close:35.50

52wk High:44.28

52wk Low:17.72

Shares:30.55M

Float Shares:28.22M

Volume Ratio:2.08

T/O Rate:1.98%

Dividend:- -

Dividend Rate:- -

EPS(TTM):-0.6542

EPS(LYR):-0.8334

ROE:-4.20%

ROA:-1.36%

PB:2.31

PE(LYR):-42.57

Loading ...

Overview Company News Filings

Nov 04, 2025

{"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.imtigers.com/stock/CSTL/filings?page=3"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"HKG","license":"TBHK","edition":"fundamental","symbol":"CSTL","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"CSTL\",,,,,undefined,":{"symbol":"CSTL","market":"US","secType":"STK","nameCN":"Castle Biosciences, Inc.","latestPrice":35.48,"timestamp":1789588800000,"preClose":35.5,"halted":0,"volume":559269,"delay":0,"changeRate":-0.0005633802816902289,"floatShares":28219550,"shares":30549507,"eps":-0.654177,"marketStatus":"Pre-Mkt","change":-0.02,"latestTime":"09-17 08:56:36 EDT","open":35.5,"high":36.82,"low":35.255,"amount":20020295.565863997,"amplitude":0.044085,"askPrice":42.66,"askSize":100,"bidPrice":32.49,"bidSize":100,"shortable":3,"etf":0,"ttmEps":-0.654177,"tradingStatus":1,"nextMarketStatus":{"tag":"Open","tradingStatus":2,"beginTime":1789651800000},"marketStatusCode":1,"adr":0,"listingDate":1564027200000,"exchange":"NASDAQ","adjPreClose":35.48,"postHourTrading":{"tag":"盘后","latestPrice":35.48,"preClose":35.48,"latestTime":"19:30 EDT","volume":13045,"amount":462836.6,"timestamp":1789601405977,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":2.0838046640146493,"impliedVol":0.5431,"impliedVolPercentile":0.44},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"CSTL\",,,,,undefined,":{"symbol":"CSTL","floatShares":28219550,"roa":"-1.36%","roe":"-4.20%","lyrEps":-0.833436,"volumeRatio":2.0838046640146493,"shares":30549507,"dividePrice":0,"high":36.82,"amplitude":0.044085,"preClose":35.5,"low":35.255,"week52Low":17.722,"pbRate":"2.31","psRate":"3.03","week52High":44.28,"institutionHeld":0,"latestPrice":35.48,"eps":-0.654177,"divideRate":0,"volume":559269,"delay":0,"ttmEps":-0.654177,"open":35.5,"prevYearClose":38.9,"prevWeekClose":32.33,"prevMonthClose":33.03,"prevQuarterClose":23.85,"fiveDayClose":32.31,"twentyDayClose":29.03,"sixtyDayClose":21.2},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/CSTL\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-07-30","symbol":"CSTL","fiscalQuarterEnding":"2026/06","expectedEps":-0.44,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1785384000000,"reportTimeType":"post","actualEps":-0.07},{"market":"US","date":"2026-05-06","symbol":"CSTL","fiscalQuarterEnding":"2026/03","expectedEps":-0.56,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1778040000000,"reportTimeType":"post","actualEps":-0.49},{"market":"US","date":"2026-02-26","symbol":"CSTL","fiscalQuarterEnding":"2025/12","expectedEps":-0.23,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1772082000000,"reportTimeType":"post","actualEps":-0.08},{"market":"US","date":"2026-01-11","symbol":"CSTL","fiscalQuarterEnding":null,"expectedEps":null,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1768107600000,"reportTimeType":"post","actualEps":null},{"market":"US","date":"2025-11-03","symbol":"CSTL","fiscalQuarterEnding":"2025/09","expectedEps":-0.34,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1762146000000,"reportTimeType":"post","actualEps":-0.02}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"CSTL\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"CSTL\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.5556,"buy":0.4444,"hold":0,"sell":0,"strongSell":0,"meanLabel":"STRONG BUY","meanPercent":0.5556,"analysts":9,"updateTime":1782360000000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/CSTL\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"CSTL","date":"2026-09-16","current":-54.236086,"percent":0.263629,"low":-309.140913,"twenty":-70.539795,"median":-18.389218,"eighty":-7.076208,"high":155.734424,"avg":-33.645475,"sd":73.940718,"marketCap":1084507498},"quantilePoints":[{"date":"2021-09-17","current":-86.298313,"twenty":-167.864896,"median":-81.677581,"eighty":96.467657,"marketCap":1945940661},{"date":"2021-09-24","current":-80.851653,"twenty":-167.600615,"median":-81.817096,"eighty":96.094956,"marketCap":1823123920},{"date":"2021-10-01","current":-72.927209,"twenty":-167.548158,"median":-81.052554,"eighty":95.725323,"marketCap":1644435629},{"date":"2021-10-08","current":-68.418088,"twenty":-166.747019,"median":-80.939604,"eighty":95.341474,"marketCap":1542759474},{"date":"2021-10-15","current":-70.962839,"twenty":-166.488822,"median":-80.193143,"eighty":94.738911,"marketCap":1600141066},{"date":"2021-10-22","current":-70.014138,"twenty":-166.318802,"median":-79.455917,"eighty":94.477414,"marketCap":1578748806},{"date":"2021-10-29","current":-69.590013,"twenty":-165.92895,"median":-79.054701,"eighty":94.395866,"marketCap":1569185207},{"date":"2021-11-05","current":-66.46488,"twenty":-165.628697,"median":-75.845859,"eighty":94.279373,"marketCap":1498716585},{"date":"2021-11-12","current":-43.948833,"twenty":-165.400692,"median":-74.221907,"eighty":94.202941,"marketCap":1307521726},{"date":"2021-11-19","current":-40.394148,"twenty":-165.136289,"median":-73.228561,"eighty":94.032207,"marketCap":1201766292},{"date":"2021-11-26","current":-36.669382,"twenty":-164.802892,"median":-72.66492,"eighty":93.911867,"marketCap":1090950790},{"date":"2021-12-03","current":-35.232201,"twenty":-164.332488,"median":-72.525406,"eighty":93.857997,"marketCap":1048193210},{"date":"2021-12-10","current":-35.043363,"twenty":-164.069675,"median":-71.699478,"eighty":93.782419,"marketCap":1042575102},{"date":"2021-12-17","current":-36.565484,"twenty":-163.125113,"median":-70.962839,"eighty":93.656387,"marketCap":1087859706},{"date":"2021-12-23","current":-36.824936,"twenty":-162.260438,"median":-70.538714,"eighty":93.390391,"marketCap":1095578673},{"date":"2021-12-31","current":-37.07574,"twenty":-161.75254,"median":-70.326651,"eighty":93.033305,"marketCap":1103040341},{"date":"2022-01-07","current":-33.80664,"twenty":-160.853861,"median":-70.081106,"eighty":92.949516,"marketCap":1005781361},{"date":"2022-01-14","current":-31.297701,"twenty":-159.513129,"median":-69.768592,"eighty":92.804142,"marketCap":931137898},{"date":"2022-01-21","current":-28.661836,"twenty":-159.163373,"median":-69.221694,"eighty":92.613304,"marketCap":852718272},{"date":"2022-01-28","current":-32.764914,"twenty":-159.153657,"median":-68.462733,"eighty":92.417037,"marketCap":974788953},{"date":"2022-02-04","current":-36.620613,"twenty":-159.037071,"median":-68.077672,"eighty":92.363653,"marketCap":1089499863},{"date":"2022-02-11","current":-37.07272,"twenty":-158.52701,"median":-67.458226,"eighty":92.230539,"marketCap":1102950479},{"date":"2022-02-18","current":-33.933566,"twenty":-157.725045,"median":-66.676942,"eighty":92.12856,"marketCap":1009557525},{"date":"2022-02-25","current":-38.121947,"twenty":-157.70385,"median":-56.620469,"eighty":92.103044,"marketCap":1134166058},{"date":"2022-03-04","current":-34.317143,"twenty":-156.502465,"median":-46.976268,"eighty":91.895938,"marketCap":1073852040},{"date":"2022-03-11","current":-32.441312,"twenty":-155.908697,"median":-44.969316,"eighty":91.848137,"marketCap":1015153549},{"date":"2022-03-18","current":-36.6396,"twenty":-155.213239,"median":-44.561123,"eighty":91.680837,"marketCap":1146526362},{"date":"2022-03-25","current":-34.406468,"twenty":-154.956761,"median":-41.163763,"eighty":91.549188,"marketCap":1076647206},{"date":"2022-04-01","current":-37.337961,"twenty":-153.952054,"median":-39.575131,"eighty":91.549188,"marketCap":1168379479},{"date":"2022-04-08","current":-26.594568,"twenty":-153.917029,"median":-38.48489,"eighty":91.417935,"marketCap":832197215},{"date":"2022-04-14","current":-21.064522,"twenty":-153.883221,"median":-38.135515,"eighty":91.392618,"marketCap":659151015},{"date":"2022-04-22","current":-18.65924,"twenty":-153.705343,"median":-38.019584,"eighty":91.277765,"marketCap":583884947},{"date":"2022-04-29","current":-18.194999,"twenty":-153.646928,"median":-37.870138,"eighty":90.837881,"marketCap":569357910},{"date":"2022-05-06","current":-17.742098,"twenty":-153.581085,"median":-37.62719,"eighty":90.669444,"marketCap":555185744},{"date":"2022-05-13","current":-10.02426,"twenty":-153.127806,"median":-37.342022,"eighty":90.431678,"marketCap":517602654},{"date":"2022-05-20","current":-11.01092,"twenty":-152.745149,"median":-37.268917,"eighty":90.138886,"marketCap":568548831},{"date":"2022-05-27","current":-11.534765,"twenty":-152.15131,"median":-37.07423,"eighty":89.945688,"marketCap":595597574},{"date":"2022-06-03","current":-9.714021,"twenty":-151.992333,"median":-36.988631,"eighty":89.740147,"marketCap":501583495},{"date":"2022-06-10","current":-9.890877,"twenty":-151.80124,"median":-36.824936,"eighty":89.553726,"marketCap":510715451},{"date":"2022-06-17","current":-8.14483,"twenty":-151.608171,"median":-36.696416,"eighty":89.491586,"marketCap":420558272},{"date":"2022-06-24","current":-12.130705,"twenty":-151.344402,"median":-36.658551,"eighty":89.461816,"marketCap":626368976},{"date":"2022-07-01","current":-11.458757,"twenty":-150.793512,"median":-36.620613,"eighty":89.366342,"marketCap":591672918},{"date":"2022-07-08","current":-13.133538,"twenty":-150.278593,"median":-36.428467,"eighty":89.249147,"marketCap":678150213},{"date":"2022-07-15","current":-12.588852,"twenty":-149.603714,"median":-36.089951,"eighty":89.1582,"marketCap":650025379},{"date":"2022-07-22","current":-12.950279,"twenty":-149.104402,"median":-35.730106,"eighty":89.071615,"marketCap":668687652},{"date":"2022-07-29","current":-14.23309,"twenty":-147.282584,"median":-35.640177,"eighty":88.843853,"marketCap":734925580},{"date":"2022-08-05","current":-15.556624,"twenty":-147.050863,"median":-35.579565,"eighty":88.468661,"marketCap":803266299},{"date":"2022-08-12","current":-20.060215,"twenty":-146.936061,"median":-35.460837,"eighty":88.420861,"marketCap":892519093},{"date":"2022-08-19","current":-18.842653,"twenty":-146.702706,"median":-35.366658,"eighty":88.334821,"marketCap":838347339},{"date":"2022-08-26","current":-18.287067,"twenty":-146.099345,"median":-35.166981,"eighty":87.890279,"marketCap":813628189},{"date":"2022-09-02","current":-16.543472,"twenty":-145.861154,"median":-35.147161,"eighty":86.833894,"marketCap":736052134},{"date":"2022-09-09","current":-17.335478,"twenty":-145.658896,"median":-35.015504,"eighty":86.661813,"marketCap":771290071},{"date":"2022-09-16","current":-16.04699,"twenty":-144.832405,"median":-34.913637,"eighty":86.238683,"marketCap":713962681},{"date":"2022-09-23","current":-14.569367,"twenty":-144.059553,"median":-34.541755,"eighty":85.557518,"marketCap":648220261},{"date":"2022-09-30","current":-15.414567,"twenty":-143.904983,"median":-34.361806,"eighty":85.203906,"marketCap":685824925},{"date":"2022-10-07","current":-15.733734,"twenty":-143.10859,"median":-34.256358,"eighty":84.606403,"marketCap":700025288},{"date":"2022-10-14","current":-13.014907,"twenty":-142.900276,"median":-33.942644,"eighty":84.37758,"marketCap":579059235},{"date":"2022-10-21","current":-12.701651,"twenty":-142.591135,"median":-33.780695,"eighty":84.023258,"marketCap":565121842},{"date":"2022-10-28","current":-13.848286,"twenty":-141.740998,"median":-33.572754,"eighty":83.567141,"marketCap":616137960},{"date":"2022-11-04","current":-10.918859,"twenty":-139.963439,"median":-33.417462,"eighty":82.764196,"marketCap":578153577},{"date":"2022-11-11","current":-11.152763,"twenty":-139.808869,"median":-32.603113,"eighty":82.764196,"marketCap":590538818},{"date":"2022-11-18","current":-10.45105,"twenty":-139.422443,"median":-31.297701,"eighty":82.306669,"marketCap":553383096},{"date":"2022-11-25","current":-10.585421,"twenty":-137.629427,"median":-30.939428,"eighty":82.215327,"marketCap":560498021},{"date":"2022-12-02","current":-12.795071,"twenty":-137.051739,"median":-30.146712,"eighty":81.917812,"marketCap":677499018},{"date":"2022-12-09","current":-11.107973,"twenty":-132.017079,"median":-29.830488,"eighty":81.521649,"marketCap":588167176},{"date":"2022-12-16","current":-11.978894,"twenty":-129.220801,"median":-29.148408,"eighty":81.035226,"marketCap":634282434},{"date":"2022-12-23","current":-11.560852,"twenty":-127.462725,"median":-28.661836,"eighty":80.413953,"marketCap":612147110},{"date":"2022-12-30","current":-11.715129,"twenty":-126.444312,"median":-28.295032,"eighty":80.255022,"marketCap":620316099},{"date":"2023-01-06","current":-11.346854,"twenty":-125.431062,"median":-25.10852,"eighty":80.129804,"marketCap":600815932},{"date":"2023-01-13","current":-13.541575,"twenty":-124.480726,"median":-21.758823,"eighty":79.936775,"marketCap":717026382},{"date":"2023-01-20","current":-13.257903,"twenty":-124.252248,"median":-20.468425,"eighty":79.81117,"marketCap":702005984},{"date":"2023-01-27","current":-12.939395,"twenty":-123.914499,"median":-20.219799,"eighty":79.508532,"marketCap":685140976},{"date":"2023-02-03","current":-14.084034,"twenty":-123.669464,"median":-19.981754,"eighty":79.275321,"marketCap":745749600},{"date":"2023-02-10","current":-13.1733,"twenty":-123.391317,"median":-19.773366,"eighty":78.392678,"marketCap":697526216},{"date":"2023-02-17","current":-12.939395,"twenty":-122.237123,"median":-19.352035,"eighty":78.237088,"marketCap":685140976},{"date":"2023-02-24","current":-12.123218,"twenty":-121.646854,"median":-19.194328,"eighty":78.044446,"marketCap":641924391},{"date":"2023-03-03","current":-9.769225,"twenty":-121.623097,"median":-18.990416,"eighty":77.996285,"marketCap":655886202},{"date":"2023-03-10","current":-7.706921,"twenty":-121.507203,"median":-18.763163,"eighty":77.67537,"marketCap":517427243},{"date":"2023-03-17","current":-8.470884,"twenty":-121.490646,"median":-18.651096,"eighty":77.514678,"marketCap":568718182},{"date":"2023-03-24","current":-8.910261,"twenty":-121.407864,"median":-18.327158,"eighty":77.346115,"marketCap":598217116},{"date":"2023-03-31","current":-8.993387,"twenty":-120.530377,"median":-18.243867,"eighty":76.98491,"marketCap":603797995},{"date":"2023-04-06","current":-8.827136,"twenty":-120.25223,"median":-18.109752,"eighty":76.792267,"marketCap":592636236},{"date":"2023-04-14","current":-9.233586,"twenty":-119.573419,"median":-17.654644,"eighty":76.705578,"marketCap":619924514},{"date":"2023-04-21","current":-9.5476,"twenty":-119.262158,"median":-17.35912,"eighty":76.599624,"marketCap":641006751},{"date":"2023-04-28","current":-8.804302,"twenty":-119.063482,"median":-17.187715,"eighty":76.440694,"marketCap":591103228},{"date":"2023-05-05","current":-8.18984,"twenty":-118.984012,"median":-16.797623,"eighty":75.90611,"marketCap":587367135},{"date":"2023-05-12","current":-8.442866,"twenty":-118.921097,"median":-16.759205,"eighty":75.624254,"marketCap":605513871},{"date":"2023-05-19","current":-8.747984,"twenty":-118.854872,"median":-16.543472,"eighty":75.272328,"marketCap":627396699},{"date":"2023-05-26","current":-9.369385,"twenty":-118.099901,"median":-16.162244,"eighty":74.854441,"marketCap":671962947},{"date":"2023-06-02","current":-7.832628,"twenty":-117.894602,"median":-15.796084,"eighty":74.668379,"marketCap":561748214},{"date":"2023-06-09","current":-5.33214,"twenty":-117.642945,"median":-15.68645,"eighty":74.514265,"marketCap":382415768},{"date":"2023-06-16","current":-4.986091,"twenty":-117.464137,"median":-15.580163,"eighty":74.456472,"marketCap":357597438},{"date":"2023-06-23","current":-4.930276,"twenty":-117.424402,"median":-15.417523,"eighty":74.456472,"marketCap":353594482},{"date":"2023-06-30","current":-4.933997,"twenty":-117.219102,"median":-15.257939,"eighty":74.432392,"marketCap":353861345},{"date":"2023-07-07","current":-4.941439,"twenty":-116.556848,"median":-15.108846,"eighty":74.33607,"marketCap":354395073},{"date":"2023-07-14","current":-6.02796,"twenty":-116.507179,"median":-14.859223,"eighty":74.263829,"marketCap":432319291},{"date":"2023-07-21","current":-6.214009,"twenty":-115.646247,"median":-14.557546,"eighty":74.167508,"marketCap":445662479},{"date":"2023-07-28","current":-5.894006,"twenty":-115.613135,"median":-14.258542,"eighty":74.167508,"marketCap":422712195},{"date":"2023-08-04","current":-5.663815,"twenty":-115.513796,"median":-14.240825,"eighty":73.926704,"marketCap":503218594},{"date":"2023-08-11","current":-5.280594,"twenty":-114.553527,"median":-14.178591,"eighty":73.01165,"marketCap":469170240},{"date":"2023-08-18","current":-5.208175,"twenty":-113.907828,"median":-14.052198,"eighty":72.867168,"marketCap":462735905},{"date":"2023-08-25","current":-5.64571,"twenty":-113.791934,"median":-13.89557,"eighty":72.843088,"marketCap":501610010},{"date":"2023-09-01","current":-6.013843,"twenty":-113.659483,"median":-13.834522,"eighty":72.3374,"marketCap":534317879},{"date":"2023-09-08","current":-5.66985,"twenty":-113.552925,"median":-13.793063,"eighty":72.260343,"marketCap":503754789},{"date":"2023-09-15","current":-5.310769,"twenty":-113.447412,"median":-13.581503,"eighty":72.241079,"marketCap":471851212},{"date":"2023-09-22","current":-5.027126,"twenty":-113.123056,"median":-13.47439,"eighty":72.241079,"marketCap":446650068},{"date":"2023-09-29","current":-5.247402,"twenty":-111.576691,"median":-13.437064,"eighty":72.20255,"marketCap":466221169},{"date":"2023-10-06","current":-4.483979,"twenty":-111.103179,"median":-13.330065,"eighty":72.115861,"marketCap":398392558},{"date":"2023-10-13","current":-3.678311,"twenty":-110.692581,"median":-13.257903,"eighty":72.096597,"marketCap":326810584},{"date":"2023-10-20","current":-3.862378,"twenty":-109.828339,"median":-13.190718,"eighty":72.058068,"marketCap":343164518},{"date":"2023-10-27","current":-3.946867,"twenty":-109.228998,"median":-13.161054,"eighty":72.033988,"marketCap":350671242},{"date":"2023-11-03","current":-5.912031,"twenty":-107.583295,"median":-13.139027,"eighty":71.942483,"marketCap":446381971},{"date":"2023-11-10","current":-6.105341,"twenty":-107.470712,"median":-13.073766,"eighty":71.720944,"marketCap":460977687},{"date":"2023-11-17","current":-6.860935,"twenty":-106.821702,"median":-13.014907,"eighty":71.306761,"marketCap":518028049},{"date":"2023-11-24","current":-7.085475,"twenty":-104.967388,"median":-12.997175,"eighty":71.037061,"marketCap":534981694},{"date":"2023-12-01","current":-7.12468,"twenty":-104.801825,"median":-12.950279,"eighty":70.892579,"marketCap":537941854},{"date":"2023-12-08","current":-6.878756,"twenty":-104.621466,"median":-12.939395,"eighty":70.868499,"marketCap":519373576},{"date":"2023-12-15","current":-7.345656,"twenty":-102.303773,"median":-12.93329,"eighty":70.844418,"marketCap":554626394},{"date":"2023-12-22","current":-7.766222,"twenty":-101.653193,"median":-12.899374,"eighty":70.675856,"marketCap":586380840},{"date":"2023-12-29","current":-7.994326,"twenty":-101.138387,"median":-12.831107,"eighty":70.661407,"marketCap":603603591},{"date":"2024-01-05","current":-7.242296,"twenty":-100.480612,"median":-12.765211,"eighty":70.642143,"marketCap":546822335},{"date":"2024-01-12","current":-7.345656,"twenty":-99.17597,"median":-12.686153,"eighty":70.492844,"marketCap":554626394},{"date":"2024-01-19","current":-6.957166,"twenty":-98.990539,"median":-12.535401,"eighty":70.049766,"marketCap":525293896},{"date":"2024-01-26","current":-7.356348,"twenty":-98.377953,"median":-12.367076,"eighty":69.495918,"marketCap":555433710},{"date":"2024-02-02","current":-8.439841,"twenty":-98.245502,"median":-12.314821,"eighty":69.375516,"marketCap":637241776},{"date":"2024-02-09","current":-8.500431,"twenty":-97.897818,"median":-12.148101,"eighty":69.255114,"marketCap":641816569},{"date":"2024-02-16","current":-8.867536,"twenty":-97.587065,"median":-12.126962,"eighty":69.014311,"marketCap":669534434},{"date":"2024-02-23","current":-8.682202,"twenty":-97.554536,"median":-12.050186,"eighty":68.879461,"marketCap":655540949},{"date":"2024-03-01","current":-8.626783,"twenty":-97.496408,"median":-11.968941,"eighty":68.556784,"marketCap":495746692},{"date":"2024-03-08","current":-9.911724,"twenty":-97.444174,"median":-11.921994,"eighty":68.446014,"marketCap":569587147},{"date":"2024-03-15","current":-9.219098,"twenty":-97.381259,"median":-11.8495,"eighty":67.954775,"marketCap":529784671},{"date":"2024-03-22","current":-10.07891,"twenty":-97.328279,"median":-11.779827,"eighty":66.774837,"marketCap":579194641},{"date":"2024-03-28","current":-10.164891,"twenty":-96.980595,"median":-11.747478,"eighty":66.394368,"marketCap":584135638},{"date":"2024-04-05","current":-10.145784,"twenty":-96.034573,"median":-11.715129,"eighty":65.869416,"marketCap":583037638},{"date":"2024-04-12","current":-9.975623,"twenty":-95.509954,"median":-11.674233,"eighty":65.541923,"marketCap":573259148},{"date":"2024-04-19","current":-9.21713,"twenty":-93.841259,"median":-11.590712,"eighty":65.486538,"marketCap":529671590},{"date":"2024-04-26","current":-9.365948,"twenty":-92.601993,"median":-11.540343,"eighty":65.296304,"marketCap":538223579},{"date":"2024-05-03","current":-20.460076,"twenty":-92.472226,"median":-11.516062,"eighty":65.156637,"marketCap":630088496},{"date":"2024-05-10","current":-21.891395,"twenty":-91.785206,"median":-11.553387,"eighty":65.07958,"marketCap":674167408},{"date":"2024-05-17","current":-21.712105,"twenty":-90.954077,"median":-11.630526,"eighty":64.939914,"marketCap":668645972},{"date":"2024-05-24","current":-21.281807,"twenty":-90.477253,"median":-11.705647,"eighty":64.858041,"marketCap":655394524},{"date":"2024-05-31","current":-21.70314,"twenty":-90.243501,"median":-11.725082,"eighty":64.752087,"marketCap":668369900},{"date":"2024-06-07","current":-20.645325,"twenty":-89.767451,"median":-11.754943,"eighty":64.597973,"marketCap":635793424},{"date":"2024-06-14","current":-20.331566,"twenty":-89.137652,"median":-11.784803,"eighty":64.569077,"marketCap":626130910},{"date":"2024-06-21","current":-18.888276,"twenty":-88.682246,"median":-11.8495,"eighty":64.511283,"marketCap":581683345},{"date":"2024-06-28","current":-18.968957,"twenty":-88.19431,"median":-11.87936,"eighty":63.91409,"marketCap":584167992},{"date":"2024-07-05","current":-19.049638,"twenty":-87.429878,"median":-11.962718,"eighty":62.979772,"marketCap":586652638},{"date":"2024-07-12","current":-16.575426,"twenty":-87.283498,"median":-11.973917,"eighty":62.661912,"marketCap":510456813},{"date":"2024-07-15","current":-16.629213,"twenty":-87.267233,"median":-11.978894,"eighty":62.498165,"marketCap":512113244},{"date":"2024-08-02","current":-20.654289,"twenty":-86.610826,"median":-11.921994,"eighty":63.018301,"marketCap":636069496},{"date":"2024-08-09","current":-249.174378,"twenty":-87.299762,"median":-11.921994,"eighty":63.018301,"marketCap":772191398},{"date":"2024-08-16","current":-242.909218,"twenty":-92.450772,"median":-11.921994,"eighty":63.018301,"marketCap":752775666},{"date":"2024-08-23","current":-246.399807,"twenty":-97.318345,"median":-11.921994,"eighty":63.018301,"marketCap":763593002},{"date":"2024-08-30","current":-266.627325,"twenty":-97.368014,"median":-11.921994,"eighty":63.018301,"marketCap":826278080},{"date":"2024-09-06","current":-263.852754,"twenty":-97.368014,"median":-11.921994,"eighty":63.018301,"marketCap":817679684},{"date":"2024-09-13","current":-274.593029,"twenty":-97.368014,"median":-11.921994,"eighty":63.018301,"marketCap":850963796},{"date":"2024-09-20","current":-273.250494,"twenty":-97.368014,"median":-11.921994,"eighty":63.018301,"marketCap":846803282},{"date":"2024-09-27","current":-250.606415,"twenty":-97.368014,"median":-11.921994,"eighty":63.018301,"marketCap":776629280},{"date":"2024-10-04","current":-254.365511,"twenty":-97.368014,"median":-11.921994,"eighty":63.018301,"marketCap":788278719},{"date":"2024-10-11","current":-253.291484,"twenty":-97.368014,"median":-11.921994,"eighty":63.018301,"marketCap":784950308},{"date":"2024-10-18","current":-295.894574,"twenty":-97.368014,"median":-11.921994,"eighty":63.018301,"marketCap":916977285},{"date":"2024-10-25","current":-284.617286,"twenty":-97.368014,"median":-11.921994,"eighty":63.018301,"marketCap":882028968},{"date":"2024-10-31","current":-309.140913,"twenty":-97.368014,"median":-11.921994,"eighty":63.018301,"marketCap":958027690},{"date":"2024-11-08","current":153.567604,"twenty":-91.563351,"median":-11.784803,"eighty":64.853225,"marketCap":932923196},{"date":"2024-11-15","current":142.134171,"twenty":-90.404405,"median":-11.754943,"eighty":65.240919,"marketCap":863465089},{"date":"2024-11-22","current":133.144173,"twenty":-90.404405,"median":-11.754943,"eighty":65.474498,"marketCap":808850852},{"date":"2024-11-29","current":139.598531,"twenty":-90.404405,"median":-11.754943,"eighty":66.977112,"marketCap":848061074},{"date":"2024-12-06","current":148.265811,"twenty":-90.404405,"median":-11.754943,"eighty":69.332172,"marketCap":900714800},{"date":"2024-12-13","current":134.250635,"twenty":-90.404405,"median":-11.754943,"eighty":70.85405,"marketCap":815572605},{"date":"2024-12-20","current":124.891816,"twenty":-90.404405,"median":-11.754943,"eighty":71.990643,"marketCap":758717784},{"date":"2024-12-27","current":124.937919,"twenty":-90.404405,"median":-11.754943,"eighty":72.115861,"marketCap":758997857},{"date":"2025-01-03","current":129.271559,"twenty":-90.404405,"median":-11.754943,"eighty":72.115861,"marketCap":785324720},{"date":"2025-01-10","current":150.847554,"twenty":-90.477253,"median":-11.764897,"eighty":72.096597,"marketCap":916398888},{"date":"2025-01-17","current":115.671306,"twenty":-90.477253,"median":-11.764897,"eighty":72.096597,"marketCap":702703182},{"date":"2025-01-24","current":122.171766,"twenty":-90.477253,"median":-11.764897,"eighty":72.096597,"marketCap":742193476},{"date":"2025-01-31","current":130.101405,"twenty":-90.477253,"median":-11.764897,"eighty":72.481883,"marketCap":790366034},{"date":"2025-02-07","current":128.303405,"twenty":-90.477253,"median":-11.764897,"eighty":72.481883,"marketCap":779443186},{"date":"2025-02-14","current":127.289149,"twenty":-90.477253,"median":-11.764897,"eighty":74.283094,"marketCap":773281580},{"date":"2025-02-21","current":120.558176,"twenty":-90.477253,"median":-11.764897,"eighty":74.283094,"marketCap":732390921},{"date":"2025-02-28","current":38.806499,"twenty":-90.477253,"median":-11.764897,"eighty":76.356928,"marketCap":708024569},{"date":"2025-03-07","current":32.178981,"twenty":-90.550101,"median":-11.77485,"eighty":73.454249,"marketCap":587105504},{"date":"2025-03-14","current":29.318974,"twenty":-90.550101,"median":-11.77485,"eighty":33.288601,"marketCap":534924684},{"date":"2025-03-21","current":31.366301,"twenty":-90.550101,"median":-11.77485,"eighty":31.49758,"marketCap":572278167},{"date":"2025-03-28","current":31.413187,"twenty":-90.550101,"median":-11.77485,"eighty":31.375678,"marketCap":573133590},{"date":"2025-04-04","current":29.990998,"twenty":-90.550101,"median":-11.77485,"eighty":31.063109,"marketCap":547185751},{"date":"2025-04-11","current":30.162911,"twenty":-90.477253,"median":-11.764897,"eighty":30.312944,"marketCap":550322303},{"date":"2025-04-17","current":33.226087,"twenty":-90.477253,"median":-11.764897,"eighty":30.312944,"marketCap":606209957},{"date":"2025-04-25","current":33.089862,"twenty":-90.550101,"median":-11.77485,"eighty":30.156659,"marketCap":603724531},{"date":"2025-05-02","current":30.528678,"twenty":-90.550101,"median":-11.77485,"eighty":30.156659,"marketCap":556995733},{"date":"2025-05-09","current":-98.025753,"twenty":-95.154431,"median":-11.87936,"eighty":29.478384,"marketCap":496892541},{"date":"2025-05-16","current":-93.867775,"twenty":-96.90247,"median":-11.978894,"eighty":-3.786337,"marketCap":475815751},{"date":"2025-05-23","current":-90.507217,"twenty":-96.90247,"median":-12.148101,"eighty":-3.979456,"marketCap":458781085},{"date":"2025-05-30","current":-90.848969,"twenty":-96.90247,"median":-12.322286,"eighty":-4.309569,"marketCap":460513424},{"date":"2025-06-06","current":-96.943539,"twenty":-96.977714,"median":-12.588852,"eighty":-4.550363,"marketCap":491406801},{"date":"2025-06-13","current":-107.196088,"twenty":-97.40775,"median":-12.795071,"eighty":-4.74909,"marketCap":543376968},{"date":"2025-06-20","current":-107.708715,"twenty":-98.201552,"median":-12.93329,"eighty":-4.930276,"marketCap":545975476},{"date":"2025-06-27","current":-112.493238,"twenty":-100.685574,"median":-12.950279,"eighty":-4.963155,"marketCap":570228221},{"date":"2025-07-03","current":-115.625961,"twenty":-104.934275,"median":-13.007011,"eighty":-5.028936,"marketCap":586107994},{"date":"2025-07-11","current":-113.005865,"twenty":-106.797377,"median":-13.136283,"eighty":-5.066673,"marketCap":572826729},{"date":"2025-07-18","current":-99.051007,"twenty":-107.350626,"median":-13.210624,"eighty":-5.130927,"marketCap":502089557},{"date":"2025-07-25","current":-93.582982,"twenty":-107.350626,"median":-13.36739,"eighty":-5.284215,"marketCap":474372135},{"date":"2025-08-01","current":-86.292281,"twenty":-107.350626,"median":-13.509227,"eighty":-5.337323,"marketCap":437415572},{"date":"2025-08-08","current":-60.216852,"twenty":-107.350626,"median":-13.81088,"eighty":-5.459292,"marketCap":570012721},{"date":"2025-08-15","current":-60.737812,"twenty":-107.350626,"median":-13.978269,"eighty":-5.536842,"marketCap":574944129},{"date":"2025-08-22","current":-61.197483,"twenty":-107.350626,"median":-14.235734,"eighty":-5.626398,"marketCap":579295371},{"date":"2025-08-29","current":-71.892486,"twenty":-107.350626,"median":-14.460023,"eighty":-5.66985,"marketCap":680534272},{"date":"2025-09-05","current":-70.758632,"twenty":-107.366963,"median":-15.024475,"eighty":-5.769426,"marketCap":669801208},{"date":"2025-09-12","current":-69.716712,"twenty":-107.350626,"median":-15.33773,"eighty":-5.913685,"marketCap":659938392},{"date":"2025-09-19","current":-71.892486,"twenty":-107.350626,"median":-15.636211,"eighty":-6.016666,"marketCap":680534272},{"date":"2025-09-26","current":-69.686067,"twenty":-107.350626,"median":-15.796084,"eighty":-6.215497,"marketCap":659648309},{"date":"2025-10-03","current":-68.123187,"twenty":-107.350626,"median":-16.34547,"eighty":-6.278983,"marketCap":644854086},{"date":"2025-10-10","current":-72.50538,"twenty":-107.350626,"median":-16.723742,"eighty":-6.419697,"marketCap":686335928},{"date":"2025-10-17","current":-69.042528,"twenty":-107.350626,"median":-16.986759,"eighty":-6.850956,"marketCap":653556570},{"date":"2025-10-24","current":-74.098905,"twenty":-107.350626,"median":-17.536434,"eighty":-6.912972,"marketCap":701420234},{"date":"2025-10-31","current":-74.190839,"twenty":-107.350626,"median":-18.219433,"eighty":-7.0035,"marketCap":702290483},{"date":"2025-11-07","current":-80.03265,"twenty":-107.350626,"median":-18.545918,"eighty":-7.079773,"marketCap":979279509},{"date":"2025-11-14","current":-81.39237,"twenty":-106.239183,"median":-18.545918,"eighty":-7.079773,"marketCap":995917045},{"date":"2025-11-21","current":-85.209129,"twenty":-104.540216,"median":-18.545918,"eighty":-7.079773,"marketCap":1042618899},{"date":"2025-11-28","current":-95.204264,"twenty":-100.042176,"median":-18.545918,"eighty":-7.079773,"marketCap":1164919380},{"date":"2025-12-05","current":-94.512477,"twenty":-98.201552,"median":-18.545918,"eighty":-7.079773,"marketCap":1156454669},{"date":"2025-12-12","current":-90.576445,"twenty":-97.35808,"median":-18.545918,"eighty":-7.079773,"marketCap":1108293382},{"date":"2025-12-19","current":-94.464768,"twenty":-96.943539,"median":-18.545918,"eighty":-7.079773,"marketCap":1155870896},{"date":"2025-12-26","current":-95.63365,"twenty":-95.67909,"median":-18.545918,"eighty":-7.079773,"marketCap":1170173339},{"date":"2026-01-02","current":-92.794936,"twenty":-95.465602,"median":-18.545918,"eighty":-7.079773,"marketCap":1135438835},{"date":"2026-01-09","current":-95.156555,"twenty":-95.248535,"median":-18.545918,"eighty":-7.079773,"marketCap":1164335607},{"date":"2026-01-16","current":-97.208063,"twenty":-95.173569,"median":-18.545918,"eighty":-7.079773,"marketCap":1189437854},{"date":"2026-01-23","current":-100.547726,"twenty":-95.173569,"median":-18.545918,"eighty":-7.079773,"marketCap":1230301976},{"date":"2026-01-30","current":-93.415159,"twenty":-94.653735,"median":-18.545918,"eighty":-7.079773,"marketCap":1143027886},{"date":"2026-02-06","current":-77.289355,"twenty":-94.421829,"median":-18.545918,"eighty":-7.079773,"marketCap":945712551},{"date":"2026-02-13","current":-76.096618,"twenty":-94.005561,"median":-18.545918,"eighty":-7.079773,"marketCap":931118222},{"date":"2026-02-20","current":-74.760753,"twenty":-93.863129,"median":-18.545918,"eighty":-7.079773,"marketCap":914772573},{"date":"2026-02-27","current":-38.518687,"twenty":-93.414548,"median":-18.545918,"eighty":-7.079773,"marketCap":930534448},{"date":"2026-03-06","current":-34.348776,"twenty":-93.029466,"median":-18.545918,"eighty":-7.079773,"marketCap":829797736},{"date":"2026-03-13","current":-31.161269,"twenty":-92.785394,"median":-18.545918,"eighty":-7.079773,"marketCap":752793933},{"date":"2026-03-20","current":-31.628934,"twenty":-92.389991,"median":-18.545918,"eighty":-7.079773,"marketCap":764091788},{"date":"2026-03-27","current":-30.398236,"twenty":-91.680565,"median":-18.545918,"eighty":-7.079773,"marketCap":734360590},{"date":"2026-04-02","current":-30.82898,"twenty":-91.247019,"median":-18.545918,"eighty":-7.079773,"marketCap":744766509},{"date":"2026-04-10","current":-28.83525,"twenty":-90.695781,"median":-18.545918,"eighty":-7.079773,"marketCap":696601969},{"date":"2026-04-17","current":-30.800103,"twenty":-90.264164,"median":-18.545918,"eighty":-7.079773,"marketCap":744068900},{"date":"2026-04-24","current":-29.709057,"twenty":-86.161551,"median":-18.545918,"eighty":-7.079773,"marketCap":717711410},{"date":"2026-05-01","current":-30.712318,"twenty":-85.179187,"median":-18.545918,"eighty":-7.079773,"marketCap":741948182},{"date":"2026-05-08","current":-45.476019,"twenty":-83.611359,"median":-18.545918,"eighty":-7.079773,"marketCap":583548276},{"date":"2026-05-15","current":-44.625116,"twenty":-83.358268,"median":-18.545918,"eighty":-7.079773,"marketCap":572629493},{"date":"2026-05-22","current":-48.548723,"twenty":-82.828426,"median":-18.545918,"eighty":-7.079773,"marketCap":622977214},{"date":"2026-05-29","current":-52.259604,"twenty":-81.778032,"median":-18.44074,"eighty":-7.078347,"marketCap":670595238},{"date":"2026-06-05","current":-51.054159,"twenty":-80.982125,"median":-18.545918,"eighty":-7.079773,"marketCap":655126963},{"date":"2026-06-12","current":-49.659624,"twenty":-80.070818,"median":-18.545918,"eighty":-7.079773,"marketCap":637232291},{"date":"2026-06-18","current":-47.863274,"twenty":-79.653706,"median":-18.545918,"eighty":-7.079773,"marketCap":614181528},{"date":"2026-06-26","current":-54.150499,"twenty":-78.124271,"median":-18.44074,"eighty":-7.078347,"marketCap":694859200},{"date":"2026-07-02","current":-58.405012,"twenty":-76.883825,"median":-18.44074,"eighty":-7.078347,"marketCap":749453113},{"date":"2026-07-10","current":-58.050469,"twenty":-75.427315,"median":-18.44074,"eighty":-7.078347,"marketCap":744903621},{"date":"2026-07-17","current":-57.270475,"twenty":-74.221907,"median":-18.44074,"eighty":-7.078347,"marketCap":734894736},{"date":"2026-07-24","current":-60.224998,"twenty":-73.898232,"median":-18.44074,"eighty":-7.078347,"marketCap":772807176},{"date":"2026-07-31","current":-41.851116,"twenty":-73.532763,"median":-18.389218,"eighty":-7.076208,"marketCap":812539414},{"date":"2026-08-07","current":-47.944552,"twenty":-72.686508,"median":-18.389218,"eighty":-7.076208,"marketCap":930843478},{"date":"2026-08-14","current":-48.070432,"twenty":-72.543264,"median":-18.389218,"eighty":-7.076208,"marketCap":933287438},{"date":"2026-08-21","current":-51.815363,"twenty":-72.509385,"median":-18.389218,"eighty":-7.076208,"marketCap":1005995265},{"date":"2026-08-28","current":-53.908118,"twenty":-71.953775,"median":-18.389218,"eighty":-7.076208,"marketCap":1046626109},{"date":"2026-09-04","current":-51.374783,"twenty":-71.423434,"median":-18.389218,"eighty":-7.076208,"marketCap":997441403},{"date":"2026-09-11","current":-50.855527,"twenty":-70.799473,"median":-18.389218,"eighty":-7.076208,"marketCap":987360066},{"date":"2026-09-16","current":-55.859258,"twenty":-70.539795,"median":-18.389218,"eighty":-7.076208,"marketCap":1084507498}],"updateTime":1789649793935},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"CSTL\",pageSize:20,pageCount:3,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"20363746","market":"us","labels":[],"media":"sec.gov","original_id":"AN162828025048270-CSTL","pdf_url":"","pub_time":1762204849000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form S-8 - Securities to be offered to employees in employee benefit plans","symbol":"CSTL","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/1447362/0001628280-25-048270-index.html","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/1447362/000162828025048270/forms-8x2022inducementplan.htm","primary":true,"translateUrl":"","linkName":"forms-8x2022inducementplan.htm","type":"S-8","id":"NTFILEAtaxZDKFoHSPVP3J","market":"us","size":67254},{"description":"EX-FILING FEES","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048270/exfilingfees.htm","primary":false,"translateUrl":"","linkName":"exfilingfees.htm","type":"EX-FILING FEES","id":"NTFILE3kMVVxh3pf9asB2N","market":"us","size":17638},{"description":"EX-5.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048270/exhibit51-opinionofcooleyo.htm","primary":false,"translateUrl":"","linkName":"exhibit51-opinionofcooleyo.htm","type":"EX-5.1","id":"NTFILECoD9C6nBksQ5ZCk8","market":"us","size":10088},{"description":"EX-23.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048270/exhibit231-kpmgsx8opiniono.htm","primary":false,"translateUrl":"","linkName":"exhibit231-kpmgsx8opiniono.htm","type":"EX-23.1","id":"NTFILEAnhHVUJcMcdumAk5","market":"us","size":1788},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048270/cooleylogo2.jpg","primary":false,"translateUrl":"","linkName":"cooleylogo2.jpg","type":"GRAPHIC","id":"NTFILE3EUXrAsEcAwMjikn","market":"us","size":44189}],"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":"2025-11-04 05:20","pubTimestamp":1762204849,"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":"20362409","market":"us","labels":[],"media":"sec.gov","original_id":"AN162828025048254-CSTL","pdf_url":"","pub_time":1762146000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"CSTL","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048254/0001628280-25-048254-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/1447362/000162828025048254/cstl-20250930.htm","primary":true,"translateUrl":"","linkName":"cstl-20250930.htm","type":"10-Q","id":"NTFILEuzHEPc1LN4zF3giB","market":"us","size":1420815},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048254/exhibit101non-employeedire.htm","primary":false,"translateUrl":"","linkName":"exhibit101non-employeedire.htm","type":"EX-10.1","id":"NTFILE2um7wY56GrPB3fhg","market":"us","size":23394},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048254/exhibit102castlebioscience.htm","primary":false,"translateUrl":"","linkName":"exhibit102castlebioscience.htm","type":"EX-10.2","id":"NTFILEHEtoFKqCv1y57Frc","market":"us","size":172513},{"description":"EX-31.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048254/exhibit311-q32025.htm","primary":false,"translateUrl":"","linkName":"exhibit311-q32025.htm","type":"EX-31.1","id":"NTFILEALT5KCfax2q2mqpn","market":"us","size":15366},{"description":"EX-31.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048254/exhibit312-q32025.htm","primary":false,"translateUrl":"","linkName":"exhibit312-q32025.htm","type":"EX-31.2","id":"NTFILE8fpTTt452qf2UVHa","market":"us","size":15300},{"description":"EX-32.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048254/exhibit321-q32025.htm","primary":false,"translateUrl":"","linkName":"exhibit321-q32025.htm","type":"EX-32.1","id":"NTFILE4tsCVDkjZVGRsVg7","market":"us","size":7684}],"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":"2025-11-03 13:00","pubTimestamp":1762146000,"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":"20362405","market":"us","labels":[],"media":"sec.gov","original_id":"AN162828025048248-CSTL","pdf_url":"","pub_time":1762146000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CSTL","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/0001628280-25-048248-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit991q32025earningsre.htm","primary":true,"translateUrl":"","linkName":"exhibit991q32025earningsre.htm","type":"EX-99.1","id":"NTFILEEKETKCD64XowXVCx","market":"us","size":288393},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/cstl-20251103.htm","primary":false,"translateUrl":"","linkName":"cstl-20251103.htm","type":"8-K","id":"NTFILE9zReK9CbpcAvCuZD","market":"us","size":30584},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025.htm","primary":false,"translateUrl":"","linkName":"exhibit992q32025.htm","type":"EX-99.2","id":"NTFILE8yZG4FTfXox9H2Mw","market":"us","size":46030},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/cstllogo01a.jpg","primary":false,"translateUrl":"","linkName":"cstllogo01a.jpg","type":"GRAPHIC","id":"NTFILEDwLZzNo8GZeHu3uZ","market":"us","size":18903},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025001.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025001.jpg","type":"GRAPHIC","id":"NTFILE3Xhh4FDptzpwEmxr","market":"us","size":100743},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025002.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025002.jpg","type":"GRAPHIC","id":"NTFILE47UziYhVRfAbFjrb","market":"us","size":184170},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025003.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025003.jpg","type":"GRAPHIC","id":"NTFILE5BEZLbonyZ6kWQU7","market":"us","size":182562},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025004.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025004.jpg","type":"GRAPHIC","id":"NTFILE8RzR7fopvLF1btpH","market":"us","size":46544},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025005.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025005.jpg","type":"GRAPHIC","id":"NTFILEFjTxWfwJKqrpyT83","market":"us","size":109053},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025006.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025006.jpg","type":"GRAPHIC","id":"NTFILE2ik7vWSZada236nG","market":"us","size":134097},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025007.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025007.jpg","type":"GRAPHIC","id":"NTFILE4ehiBjJ5yZjP83Dy","market":"us","size":91807},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025008.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025008.jpg","type":"GRAPHIC","id":"NTFILE7BirdffEqa8D5mHo","market":"us","size":111882},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025009.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025009.jpg","type":"GRAPHIC","id":"NTFILE6sJJigBcYiFXuPyN","market":"us","size":104723},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025010.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025010.jpg","type":"GRAPHIC","id":"NTFILEH7tmVyNAxY7BVEYH","market":"us","size":115673},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025011.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025011.jpg","type":"GRAPHIC","id":"NTFILE74YvaNDWg46Ck2mi","market":"us","size":196591},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025012.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025012.jpg","type":"GRAPHIC","id":"NTFILEANFTXzMKn8DhqCUy","market":"us","size":95760},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025013.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025013.jpg","type":"GRAPHIC","id":"NTFILE3ens1JN9tPXznJcW","market":"us","size":111508},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025014.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025014.jpg","type":"GRAPHIC","id":"NTFILE8cf4VrSkqpNGKnJm","market":"us","size":181046},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025015.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025015.jpg","type":"GRAPHIC","id":"NTFILE4Pox9xBNPHbEJFkH","market":"us","size":99154},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025016.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025016.jpg","type":"GRAPHIC","id":"NTFILE5GL53kYts83jETqA","market":"us","size":135215},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025017.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025017.jpg","type":"GRAPHIC","id":"NTFILE6KwbB89HxtYRVwBY","market":"us","size":121701},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025018.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025018.jpg","type":"GRAPHIC","id":"NTFILE9NS41ff2e5VXXNxo","market":"us","size":96427},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025019.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025019.jpg","type":"GRAPHIC","id":"NTFILE2eAkE9QDMoFPYU65","market":"us","size":96307},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025020.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025020.jpg","type":"GRAPHIC","id":"NTFILEForLPvP9Ghhnvja1","market":"us","size":72964},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025021.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025021.jpg","type":"GRAPHIC","id":"NTFILE8oRxBihkjQojpfHm","market":"us","size":69858},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025022.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025022.jpg","type":"GRAPHIC","id":"NTFILE7EfZJNEZSANnBWmw","market":"us","size":97177},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025023.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025023.jpg","type":"GRAPHIC","id":"NTFILE2CM68GeYduAGCNgC","market":"us","size":111771},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025024.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025024.jpg","type":"GRAPHIC","id":"NTFILEBeFt6ngqNrkC1Dbp","market":"us","size":69347},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025025.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025025.jpg","type":"GRAPHIC","id":"NTFILEHHT5YKKVkYNW4Yai","market":"us","size":35685},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025026.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025026.jpg","type":"GRAPHIC","id":"NTFILE5Z3VTrYW88FCQUWi","market":"us","size":173966},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025027.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025027.jpg","type":"GRAPHIC","id":"NTFILE6wWt14MGMygU91hE","market":"us","size":173526},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025028.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025028.jpg","type":"GRAPHIC","id":"NTFILE7HVEuVXCQebpf3Tb","market":"us","size":149946},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025029.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025029.jpg","type":"GRAPHIC","id":"NTFILEA9s96YUhM4h52GqT","market":"us","size":173428},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025030.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025030.jpg","type":"GRAPHIC","id":"NTFILECDW54a9YBKHg5NRD","market":"us","size":177324},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025031.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025031.jpg","type":"GRAPHIC","id":"NTFILEERungNWb6e8A8SwU","market":"us","size":134730},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025032.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025032.jpg","type":"GRAPHIC","id":"NTFILEC9ZAQtsABC55DNDH","market":"us","size":157604},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025033.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025033.jpg","type":"GRAPHIC","id":"NTFILE5f8WxMM693tDtaBr","market":"us","size":115211},{"description":"GRAPHIC","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000162828025048248/exhibit992q32025034.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q32025034.jpg","type":"GRAPHIC","id":"NTFILEC4Qba3jhTnj7rCSn","market":"us","size":79821}],"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":"2025-11-03 13:00","pubTimestamp":1762146000,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20235554","market":"us","labels":[],"media":"sec.gov","original_id":"AN195824425004371-CSTL","pdf_url":"","pub_time":1759377600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"CSTL","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000195824425004371/0001958244-25-004371-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1239501/000195824425004371/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE9wDTvkbD11bWhbAH","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":"2025-10-02 12:00","pubTimestamp":1759377600,"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":"20079671","market":"us","labels":[],"media":"sec.gov","original_id":"AN196858225000817-CSTL","pdf_url":"","pub_time":1756267200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"CSTL","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000196858225000817/0001968582-25-000817-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000196858225000817/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE2CSsJSzjPJCdEN9o","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":"2025-08-27 12:00","pubTimestamp":1756267200,"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":"20079373","market":"us","labels":[],"media":"sec.gov","original_id":"AN196858225000812-CSTL","pdf_url":"","pub_time":1756267200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"CSTL","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000196858225000812/0001968582-25-000812-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000196858225000812/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEGp4M55HL1RpH7L6W","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":"2025-08-27 12:00","pubTimestamp":1756267200,"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":"19997569","market":"us","labels":[],"media":"sec.gov","original_id":"AN195824425004253-CSTL","pdf_url":"","pub_time":1755230400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"CSTL","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000195824425004253/0001958244-25-004253-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000195824425004253/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE5qzStkDMYHME86qq","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":"2025-08-15 12:00","pubTimestamp":1755230400,"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":"19983059","market":"us","labels":[],"media":"sec.gov","original_id":"AN195824425004243-CSTL","pdf_url":"","pub_time":1755057600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"CSTL","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000195824425004243/0001958244-25-004243-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1239501/000195824425004243/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE5HEtpdWk6xcPn1pC","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":"2025-08-13 12:00","pubTimestamp":1755057600,"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":"19967696","market":"us","labels":[],"media":"sec.gov","original_id":"AN144736225000099-CSTL","pdf_url":"","pub_time":1754625600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CSTL","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000099/0001447362-25-000099-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-3.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000099/exhibit31-castlexamendedan.htm","primary":true,"translateUrl":"","linkName":"exhibit31-castlexamendedan.htm","type":"EX-3.1","id":"NTFILE5EoHKwmdkmYxGXZ4","market":"us","size":183222},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000099/cstl-20250805.htm","primary":false,"translateUrl":"","linkName":"cstl-20250805.htm","type":"8-K","id":"NTFILE8YpYJWRZLnTDqTeC","market":"us","size":64637}],"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":"2025-08-08 12:00","pubTimestamp":1754625600,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19946491","market":"us","labels":[],"media":"sec.gov","original_id":"AN144736225000097-CSTL","pdf_url":"","pub_time":1754338200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"CSTL","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1447362/0001447362-25-000097-index.html","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/1447362/000144736225000097/cstl-20250630.htm","primary":true,"translateUrl":"","linkName":"cstl-20250630.htm","type":"10-Q","id":"NTFILEDKnNCgAxs4Qry7wF","market":"us","size":1369715},{"description":"EX-10.3","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000097/exhibit103castlebioscience.htm","primary":false,"translateUrl":"","linkName":"exhibit103castlebioscience.htm","type":"EX-10.3","id":"NTFILE5a7g1Y2BkdBDDVPV","market":"us","size":467641},{"description":"EX-10.4","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000097/exhibit104-nonxemployeedir.htm","primary":false,"translateUrl":"","linkName":"exhibit104-nonxemployeedir.htm","type":"EX-10.4","id":"NTFILE5kgTekAw2hpypR56","market":"us","size":22361},{"description":"EX-10.5","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000097/exhibit105amendedparticipa.htm","primary":false,"translateUrl":"","linkName":"exhibit105amendedparticipa.htm","type":"EX-10.5","id":"NTFILEDVLu8mZcrTmzo3Tt","market":"us","size":37455},{"description":"EX-10.6","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000097/exhibit106amendedparticipa.htm","primary":false,"translateUrl":"","linkName":"exhibit106amendedparticipa.htm","type":"EX-10.6","id":"NTFILEEzHGb7FKMHBYUC83","market":"us","size":37454},{"description":"EX-10.7","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000097/exhibit107amendedparticipa.htm","primary":false,"translateUrl":"","linkName":"exhibit107amendedparticipa.htm","type":"EX-10.7","id":"NTFILEDnG7BMWQFkyJSE1C","market":"us","size":37468},{"description":"EX-31.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000097/exhibit311-q22025.htm","primary":false,"translateUrl":"","linkName":"exhibit311-q22025.htm","type":"EX-31.1","id":"NTFILEEPCcKwQBhFqea5Ri","market":"us","size":15364},{"description":"EX-31.2","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000097/exhibit312-q22025.htm","primary":false,"translateUrl":"","linkName":"exhibit312-q22025.htm","type":"EX-31.2","id":"NTFILEFurxRknsxuuJ74MW","market":"us","size":15298},{"description":"EX-32.1","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000097/exhibit321-q22025.htm","primary":false,"translateUrl":"","linkName":"exhibit321-q22025.htm","type":"EX-32.1","id":"NTFILE2XUWNhZXC3tQg8Am","market":"us","size":7677}],"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":"2025-08-05 04:10","pubTimestamp":1754338200,"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":"19945100","market":"us","labels":[],"media":"sec.gov","original_id":"AN144736225000096-CSTL","pdf_url":"","pub_time":1754280000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CSTL","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/0001447362-25-000096-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit991q22025earningsre.htm","primary":true,"translateUrl":"","linkName":"exhibit991q22025earningsre.htm","type":"EX-99.1","id":"NTFILE9ieTksfEmzezWxKT","market":"us","size":288319},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/cstl-20250804.htm","primary":false,"translateUrl":"","linkName":"cstl-20250804.htm","type":"8-K","id":"NTFILE5A9UvnbxWU2gKovy","market":"us","size":30936},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025.htm","primary":false,"translateUrl":"","linkName":"exhibit992q22025.htm","type":"EX-99.2","id":"NTFILECiWfsBjQ3gtjjT7W","market":"us","size":47766},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/cstllogo01.jpg","primary":false,"translateUrl":"","linkName":"cstllogo01.jpg","type":"GRAPHIC","id":"NTFILE9f9pz3iNCS4LD6Jv","market":"us","size":18903},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025001.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025001.jpg","type":"GRAPHIC","id":"NTFILED2NZhEDMjruGLzMo","market":"us","size":100316},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025002.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025002.jpg","type":"GRAPHIC","id":"NTFILEKFJ2zrfAbBgULckQ","market":"us","size":183167},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025003.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025003.jpg","type":"GRAPHIC","id":"NTFILE3B1A2bFjPLRGrej3","market":"us","size":182562},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025004.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025004.jpg","type":"GRAPHIC","id":"NTFILE5WgpiFK9jVri3o2a","market":"us","size":45315},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025005.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025005.jpg","type":"GRAPHIC","id":"NTFILE2yLg6DqzAjJxow7j","market":"us","size":109053},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025006.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025006.jpg","type":"GRAPHIC","id":"NTFILE4HRKwDPPm8S7GLKm","market":"us","size":143064},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025007.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025007.jpg","type":"GRAPHIC","id":"NTFILEFPwnwMEfqknexHKs","market":"us","size":110042},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025008.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025008.jpg","type":"GRAPHIC","id":"NTFILEBr38ZefkowFaVrc2","market":"us","size":87090},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025009.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025009.jpg","type":"GRAPHIC","id":"NTFILE7y79GAsVzRmeJnoP","market":"us","size":103056},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025010.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025010.jpg","type":"GRAPHIC","id":"NTFILE7xxNekTGPmBsRZ17","market":"us","size":105923},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025011.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025011.jpg","type":"GRAPHIC","id":"NTFILEb9ZJKiACtDELJQJ4","market":"us","size":91810},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025012.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025012.jpg","type":"GRAPHIC","id":"NTFILEHP4xxC578qyZBfv2","market":"us","size":162978},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025013.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025013.jpg","type":"GRAPHIC","id":"NTFILE3N1Zwk5N9QCGrina","market":"us","size":180583},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025014.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025014.jpg","type":"GRAPHIC","id":"NTFILE9tpnVRfcKKrSYQxK","market":"us","size":99167},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025015.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025015.jpg","type":"GRAPHIC","id":"NTFILE6MV3Mp52wEs3RuBd","market":"us","size":115646},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025016.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025016.jpg","type":"GRAPHIC","id":"NTFILEGaQai8WfsYpD76y3","market":"us","size":120555},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025017.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025017.jpg","type":"GRAPHIC","id":"NTFILE7Z3rki5HDS6L7Zs2","market":"us","size":96195},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025018.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025018.jpg","type":"GRAPHIC","id":"NTFILE4HKy5gPseHeGxZ2i","market":"us","size":96586},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025019.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025019.jpg","type":"GRAPHIC","id":"NTFILExrTWNX7HUhfqHGgE","market":"us","size":142892},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025020.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025020.jpg","type":"GRAPHIC","id":"NTFILEEmGA3si7PgogaRAV","market":"us","size":72964},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025021.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025021.jpg","type":"GRAPHIC","id":"NTFILECdrzGobHHtWj3kSc","market":"us","size":69858},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025022.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025022.jpg","type":"GRAPHIC","id":"NTFILEBAy7k32BrgdJAdEx","market":"us","size":116925},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025023.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025023.jpg","type":"GRAPHIC","id":"NTFILEAmvw3rFrfFVVzRXs","market":"us","size":99726},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025024.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025024.jpg","type":"GRAPHIC","id":"NTFILE4BsiDnfDNxS4nWxJ","market":"us","size":95940},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025025.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025025.jpg","type":"GRAPHIC","id":"NTFILE3ewG2E4edodSQQcB","market":"us","size":117267},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025026.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025026.jpg","type":"GRAPHIC","id":"NTFILE9Df8bwrdB6pjEkQW","market":"us","size":35690},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025027.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025027.jpg","type":"GRAPHIC","id":"NTFILEG2oQw7qvu9zrh8P5","market":"us","size":173703},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025028.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025028.jpg","type":"GRAPHIC","id":"NTFILE5miwyVPsCUSrzNBg","market":"us","size":179087},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025029.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025029.jpg","type":"GRAPHIC","id":"NTFILE3TWTXNMEvnT7KyzM","market":"us","size":149395},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025030.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025030.jpg","type":"GRAPHIC","id":"NTFILEBCPc4AAivZd6jRmu","market":"us","size":177324},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025031.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025031.jpg","type":"GRAPHIC","id":"NTFILEzgkycvzRcwoey2XG","market":"us","size":134466},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025032.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025032.jpg","type":"GRAPHIC","id":"NTFILEHVN4GoZz3Z1bDT5o","market":"us","size":123686},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025033.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025033.jpg","type":"GRAPHIC","id":"NTFILEHxHeF75QqSoziH8c","market":"us","size":161077},{"description":"GRAPHIC","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025034.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025034.jpg","type":"GRAPHIC","id":"NTFILEGN5DXsPday6NYCAb","market":"us","size":115270},{"description":"GRAPHIC","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000096/exhibit992q22025035.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q22025035.jpg","type":"GRAPHIC","id":"NTFILErQQwcMNwetKfa2GJ","market":"us","size":79821}],"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":"2025-08-04 12:00","pubTimestamp":1754280000,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19821336","market":"us","labels":[],"media":"sec.gov","original_id":"AN195824425003706-CSTL","pdf_url":"","pub_time":1750996800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"CSTL","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000195824425003706/0001958244-25-003706-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1239501/000195824425003706/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEDsaKm9w9bco3eiM3","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":"2025-06-27 12:00","pubTimestamp":1750996800,"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":"19690040","market":"us","labels":[],"media":"sec.gov","original_id":"AN144736225000085-CSTL","pdf_url":"","pub_time":1747972800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CSTL","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000085/0001447362-25-000085-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 3.03: Material Modifications to Rights of Security Holders;\nItem 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-3.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000085/exhibit-31.htm","primary":true,"translateUrl":"","linkName":"exhibit-31.htm","type":"EX-3.1","id":"NTFILE3mGRZTCDSXsvBRBA","market":"us","size":38961},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000085/cstl-20250522.htm","primary":false,"translateUrl":"","linkName":"cstl-20250522.htm","type":"8-K","id":"NTFILED9NtATjfu4W5c4HQ","market":"us","size":45445}],"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":"2025-05-23 12:00","pubTimestamp":1747972800,"title_zh":"Form 8-K - Current report","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19600639","market":"us","labels":[],"media":"sec.gov","original_id":"AN144736225000069-CSTL","pdf_url":"","pub_time":1746475832000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"CSTL","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1447362/0001447362-25-000069-index.html","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/1447362/000144736225000069/cstl-20250331.htm","primary":true,"translateUrl":"","linkName":"cstl-20250331.htm","type":"10-Q","id":"NTFILE96kB8znaq6fba5D7","market":"us","size":1064524},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000069/exhibit101consentandfirsta.htm","primary":false,"translateUrl":"","linkName":"exhibit101consentandfirsta.htm","type":"EX-10.1","id":"NTFILE434kZ4vjCECLdE7f","market":"us","size":76815},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000069/exhibit102-thirdamenmentto.htm","primary":false,"translateUrl":"","linkName":"exhibit102-thirdamenmentto.htm","type":"EX-10.2","id":"NTFILEBxGGWJxm8C2Jb8pN","market":"us","size":52966},{"description":"EX-31.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000069/exhibit311-q12025.htm","primary":false,"translateUrl":"","linkName":"exhibit311-q12025.htm","type":"EX-31.1","id":"NTFILEW7Kya6kEvbZk8LZa","market":"us","size":15361},{"description":"EX-31.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000069/exhibit312-q12025.htm","primary":false,"translateUrl":"","linkName":"exhibit312-q12025.htm","type":"EX-31.2","id":"NTFILEAm1jM3vDEonVfM3S","market":"us","size":15295},{"description":"EX-32.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000069/exhibit321-q12025.htm","primary":false,"translateUrl":"","linkName":"exhibit321-q12025.htm","type":"EX-32.1","id":"NTFILE4Y4X9FTqy2jejNbP","market":"us","size":7675},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000069/texas252520realtors.jpg","primary":false,"translateUrl":"","linkName":"texas252520realtors.jpg","type":"GRAPHIC","id":"NTFILEJ5pYYLXHMQP6ELeo","market":"us","size":6778}],"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":"2025-05-06 04:10","pubTimestamp":1746475832,"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":"19598813","market":"us","labels":[],"media":"sec.gov","original_id":"AN144736225000068-CSTL","pdf_url":"","pub_time":1746417600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"CSTL","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/0001447362-25-000068-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit991q12025earningsre.htm","primary":true,"translateUrl":"","linkName":"exhibit991q12025earningsre.htm","type":"EX-99.1","id":"NTFILEHa1WwppG5CdZ27u3","market":"us","size":228906},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/cstl-20250505.htm","primary":false,"translateUrl":"","linkName":"cstl-20250505.htm","type":"8-K","id":"NTFILE9uZ4DCMewExhD8bd","market":"us","size":31270},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings.htm","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings.htm","type":"EX-99.2","id":"NTFILE3ZQ7yEQcorHESTeA","market":"us","size":37697},{"description":"EX-99.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat.htm","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat.htm","type":"EX-99.3","id":"NTFILE7qMkKjhusDVCAvYm","market":"us","size":42712},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/cstllogo01a.jpg","primary":false,"translateUrl":"","linkName":"cstllogo01a.jpg","type":"GRAPHIC","id":"NTFILE9JRaJSWKN6v5QqKi","market":"us","size":18903},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings001.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings001.jpg","type":"GRAPHIC","id":"NTFILEEwb66knb7xqHdzW6","market":"us","size":107759},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings002.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings002.jpg","type":"GRAPHIC","id":"NTFILEJ5kxRgTfn47LPeCw","market":"us","size":177915},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings003.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings003.jpg","type":"GRAPHIC","id":"NTFILE6qpYYxbgirVTdoJY","market":"us","size":182562},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings004.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings004.jpg","type":"GRAPHIC","id":"NTFILEFPbnpnyzcmHuX8QS","market":"us","size":47447},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings005.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings005.jpg","type":"GRAPHIC","id":"NTFILEEzvbrS7U8RPEMHi6","market":"us","size":91832},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings006.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings006.jpg","type":"GRAPHIC","id":"NTFILE4PoJXtNT51Xe7Pyy","market":"us","size":145113},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings007.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings007.jpg","type":"GRAPHIC","id":"NTFILEsuLHZ5hnv2VuFi1W","market":"us","size":131067},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings008.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings008.jpg","type":"GRAPHIC","id":"NTFILEBXnonZQDpVytVpXu","market":"us","size":144605},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings009.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings009.jpg","type":"GRAPHIC","id":"NTFILEDVDrGboNsvcWFVhG","market":"us","size":108377},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings010.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings010.jpg","type":"GRAPHIC","id":"NTFILE2KRs8MLuN3URRfid","market":"us","size":99753},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings011.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings011.jpg","type":"GRAPHIC","id":"NTFILE8BLe5KJkh78qwqyW","market":"us","size":171983},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings012.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings012.jpg","type":"GRAPHIC","id":"NTFILE9GU6yqi2diDH4U5X","market":"us","size":111205},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings013.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings013.jpg","type":"GRAPHIC","id":"NTFILE9p4zPwWmcV4pGQSJ","market":"us","size":98530},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings014.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings014.jpg","type":"GRAPHIC","id":"NTFILE7gqJK5SZbW5rPRGn","market":"us","size":96100},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings015.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings015.jpg","type":"GRAPHIC","id":"NTFILE77xZX7aGDta7aFor","market":"us","size":35663},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings016.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings016.jpg","type":"GRAPHIC","id":"NTFILE2ByUx4LW1CRNpMqu","market":"us","size":174023},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings017.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings017.jpg","type":"GRAPHIC","id":"NTFILE5CySQ7cipMDT2XtT","market":"us","size":179040},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings018.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings018.jpg","type":"GRAPHIC","id":"NTFILEHrq1zDhooX3S2P1T","market":"us","size":149467},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings019.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings019.jpg","type":"GRAPHIC","id":"NTFILEBjZpZzumBpP7S9iz","market":"us","size":177432},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings020.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings020.jpg","type":"GRAPHIC","id":"NTFILEFvpgS4oigXfMGAYm","market":"us","size":134509},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings021.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings021.jpg","type":"GRAPHIC","id":"NTFILE4kMuZ2rDBRgKLX2d","market":"us","size":147402},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings022.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings022.jpg","type":"GRAPHIC","id":"NTFILEVBwyF7RFuazYVXcA","market":"us","size":154068},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings023.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings023.jpg","type":"GRAPHIC","id":"NTFILE7wCY7F9i5WJfS5mH","market":"us","size":114928},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit992q12025earnings024.jpg","primary":false,"translateUrl":"","linkName":"exhibit992q12025earnings024.jpg","type":"GRAPHIC","id":"NTFILE58ofLPYmcerSqQcf","market":"us","size":56064},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat001.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat001.jpg","type":"GRAPHIC","id":"NTFILEAgMY4nidnfpSsJDV","market":"us","size":100069},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat002.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat002.jpg","type":"GRAPHIC","id":"NTFILE3gfwzLL7mRaXVETj","market":"us","size":176712},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat003.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat003.jpg","type":"GRAPHIC","id":"NTFILEHuZFB5evA5WGeUQy","market":"us","size":182562},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat004.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat004.jpg","type":"GRAPHIC","id":"NTFILE9JjYCocXRFRNFUWE","market":"us","size":47447},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat005.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat005.jpg","type":"GRAPHIC","id":"NTFILE8ss6fPguKWos8xA3","market":"us","size":109324},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat006.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat006.jpg","type":"GRAPHIC","id":"NTFILE9ghtSBr6PiNGyruS","market":"us","size":92269},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat007.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat007.jpg","type":"GRAPHIC","id":"NTFILE8zV9Da5c8jic6dMG","market":"us","size":91807},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat008.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat008.jpg","type":"GRAPHIC","id":"NTFILE3Dk5P9VpUUc7UePq","market":"us","size":163013},{"description":"GRAPHIC","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat009.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat009.jpg","type":"GRAPHIC","id":"NTFILE3inwFhsFnNmDSpTf","market":"us","size":180583},{"description":"GRAPHIC","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat010.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat010.jpg","type":"GRAPHIC","id":"NTFILE9aHkPq7jqMQW5Dhs","market":"us","size":162177},{"description":"GRAPHIC","seq":43,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat011.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat011.jpg","type":"GRAPHIC","id":"NTFILEDhY5m3qem78FBHQJ","market":"us","size":99125},{"description":"GRAPHIC","seq":44,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat012.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat012.jpg","type":"GRAPHIC","id":"NTFILEDwbVJWHYDSLd7yAY","market":"us","size":115597},{"description":"GRAPHIC","seq":45,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat013.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat013.jpg","type":"GRAPHIC","id":"NTFILE9GMZ9NCeBcbcY3BL","market":"us","size":119557},{"description":"GRAPHIC","seq":46,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat014.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat014.jpg","type":"GRAPHIC","id":"NTFILE9A1sK97kQwYSgZ9L","market":"us","size":142891},{"description":"GRAPHIC","seq":47,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat015.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat015.jpg","type":"GRAPHIC","id":"NTFILE8u5PwDx4ATKtiJJs","market":"us","size":73122},{"description":"GRAPHIC","seq":48,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat016.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat016.jpg","type":"GRAPHIC","id":"NTFILEEtKZXDQMjYbSmUXy","market":"us","size":69885},{"description":"GRAPHIC","seq":49,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat017.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat017.jpg","type":"GRAPHIC","id":"NTFILEEAY9z9Qb9VBxBcvo","market":"us","size":111186},{"description":"GRAPHIC","seq":50,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat018.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat018.jpg","type":"GRAPHIC","id":"NTFILEBzrWcWoTkiQj5FBz","market":"us","size":99425},{"description":"GRAPHIC","seq":51,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat019.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat019.jpg","type":"GRAPHIC","id":"NTFILEGQ1xfac33f5SHJhg","market":"us","size":96118},{"description":"GRAPHIC","seq":52,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat020.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat020.jpg","type":"GRAPHIC","id":"NTFILE8fMmbeyraqbVF2n4","market":"us","size":69400},{"description":"GRAPHIC","seq":53,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat021.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat021.jpg","type":"GRAPHIC","id":"NTFILEEppUBMa7sKmGLhUj","market":"us","size":35678},{"description":"GRAPHIC","seq":54,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat022.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat022.jpg","type":"GRAPHIC","id":"NTFILEGo3ARpkysxGxs3pm","market":"us","size":174023},{"description":"GRAPHIC","seq":55,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat023.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat023.jpg","type":"GRAPHIC","id":"NTFILE9YSdgxMUHs8dJT8n","market":"us","size":179162},{"description":"GRAPHIC","seq":56,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat024.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat024.jpg","type":"GRAPHIC","id":"NTFILE844g94BykHiQ7p2K","market":"us","size":149467},{"description":"GRAPHIC","seq":57,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat025.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat025.jpg","type":"GRAPHIC","id":"NTFILEF4k2qzBVJU6RKNbM","market":"us","size":177432},{"description":"GRAPHIC","seq":58,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat026.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat026.jpg","type":"GRAPHIC","id":"NTFILEs1zqp8qTqW4kMCKw","market":"us","size":134509},{"description":"GRAPHIC","seq":59,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat027.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat027.jpg","type":"GRAPHIC","id":"NTFILE2PJsiVzmB8f6orJm","market":"us","size":147402},{"description":"GRAPHIC","seq":60,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat028.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat028.jpg","type":"GRAPHIC","id":"NTFILE8vfE9dNE1szcWZwQ","market":"us","size":154088},{"description":"GRAPHIC","seq":61,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat029.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat029.jpg","type":"GRAPHIC","id":"NTFILE5d9oTa6BXL5PSMWa","market":"us","size":114933},{"description":"GRAPHIC","seq":62,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000068/exhibit993q12025corporat030.jpg","primary":false,"translateUrl":"","linkName":"exhibit993q12025corporat030.jpg","type":"GRAPHIC","id":"NTFILEEn5psXyJqbkV7q2J","market":"us","size":79938}],"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":"2025-05-05 12:00","pubTimestamp":1746417600,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19364112","market":"us","labels":[],"media":"sec.gov","original_id":"AN195824425002481-CSTL","pdf_url":"","pub_time":1744084800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"CSTL","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000195824425002481/0001958244-25-002481-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1239501/000195824425002481/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE24aEX6zKiGM2pt4V","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":"2025-04-08 12:00","pubTimestamp":1744084800,"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":"19216908","market":"us","labels":[],"media":"sec.gov","original_id":"AN195824425001833-CSTL","pdf_url":"","pub_time":1741323600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"CSTL","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000195824425001833/0001958244-25-001833-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1239501/000195824425001833/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE7aZDDTu3dTdHggWq","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":"2025-03-07 13:00","pubTimestamp":1741323600,"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":"19199690","market":"us","labels":[],"media":"sec.gov","original_id":"AN195824425001822-CSTL","pdf_url":"","pub_time":1741064400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"CSTL","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1447362/000195824425001822/0001958244-25-001822-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1239501/000195824425001822/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEBPRgq33PxYNLRHXB","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":"2025-03-04 13:00","pubTimestamp":1741064400,"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":"19177340","market":"us","labels":[],"media":"sec.gov","original_id":"AN144736225000032-CSTL","pdf_url":"","pub_time":1740632400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form S-8 - Securities to be offered to employees in employee benefit plans","symbol":"CSTL","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/1447362/000144736225000032/0001447362-25-000032-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/1447362/000144736225000032/forms-8x2019equityincentiv.htm","primary":true,"translateUrl":"","linkName":"forms-8x2019equityincentiv.htm","type":"S-8","id":"NTFILEBuhnzu2qRfNoH9jB","market":"us","size":56217},{"description":"EX-FILING FEES","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000032/exfilingfees.htm","primary":false,"translateUrl":"","linkName":"exfilingfees.htm","type":"EX-FILING FEES","id":"NTFILEGwr2Z1UM6aybvScV","market":"us","size":23825},{"description":"EX-5.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000032/exhibit51-opinionofcooleyf.htm","primary":false,"translateUrl":"","linkName":"exhibit51-opinionofcooleyf.htm","type":"EX-5.1","id":"NTFILEo8nJ4hEmjtkpqN9f","market":"us","size":10390},{"description":"EX-23.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000032/ex231-kpmgsx8opinionfebrua.htm","primary":false,"translateUrl":"","linkName":"ex231-kpmgsx8opinionfebrua.htm","type":"EX-23.1","id":"NTFILEaGFDeFCV394v81nh","market":"us","size":1794},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000032/cooleylogo2a.jpg","primary":false,"translateUrl":"","linkName":"cooleylogo2a.jpg","type":"GRAPHIC","id":"NTFILEJA4pxgJ1ekpfUPwg","market":"us","size":44189}],"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":"2025-02-27 13:00","pubTimestamp":1740632400,"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":"19177338","market":"us","labels":[],"media":"sec.gov","original_id":"AN144736225000031-CSTL","pdf_url":"","pub_time":1740632400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"CSTL","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/1447362/000144736225000031/0001447362-25-000031-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/1447362/000144736225000031/cstl-20241231.htm","primary":true,"translateUrl":"","linkName":"cstl-20241231.htm","type":"10-K","id":"NTFILEFgfyKAWBvTymXtpV","market":"us","size":2391330},{"description":"EX-19.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000031/exhibit191insidertradingpo.htm","primary":false,"translateUrl":"","linkName":"exhibit191insidertradingpo.htm","type":"EX-19.1","id":"NTFILE725WkC8WwqRMN7si","market":"us","size":128508},{"description":"EX-21.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000031/exhibit211subsidiaries2024.htm","primary":false,"translateUrl":"","linkName":"exhibit211subsidiaries2024.htm","type":"EX-21.1","id":"NTFILEEiGnKocbReNDMP4b","market":"us","size":4857},{"description":"EX-23.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000031/exhibit231consent10-k2024.htm","primary":false,"translateUrl":"","linkName":"exhibit231consent10-k2024.htm","type":"EX-23.1","id":"NTFILE6hz4aczic66Jfjri","market":"us","size":2025},{"description":"EX-31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000031/exhibit311yearend2024.htm","primary":false,"translateUrl":"","linkName":"exhibit311yearend2024.htm","type":"EX-31.1","id":"NTFILEFiELFAQrVjv1ocdd","market":"us","size":15220},{"description":"EX-31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000031/exhibit312yearend2024.htm","primary":false,"translateUrl":"","linkName":"exhibit312yearend2024.htm","type":"EX-31.2","id":"NTFILE9NUQ2pnPKrAvWUiN","market":"us","size":15343},{"description":"EX-32.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000031/exhibit321yearend2024.htm","primary":false,"translateUrl":"","linkName":"exhibit321yearend2024.htm","type":"EX-32.1","id":"NTFILEHrEHWht7r3v34C8V","market":"us","size":7485},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1447362/000144736225000031/cstl-20241231_g1.jpg","primary":false,"translateUrl":"","linkName":"cstl-20241231_g1.jpg","type":"GRAPHIC","id":"NTFILE7C8yJ7996mx6XwjA","market":"us","size":113823}],"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":"2025-02-27 13:00","pubTimestamp":1740632400,"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}],"pageSize":20,"totalPage":14,"pageCount":3,"totalSize":274,"code":"91000000","status":"200"}]}}