US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

United Microelectronics

23.31

+0.12000.52%

Post-market: 23.350.0400+0.17%19:59 EDT

Volume:8.06M

Turnover:187.17M

Market Cap:58.54B

PE:22.41

High:23.34

Open:22.91

Low:22.85

Close:23.19

52wk High:28.96

52wk Low:6.97

Shares:2.51B

Float Shares:2.17B

Volume Ratio:0.56

T/O Rate:0.37%

Dividend:0.42

Dividend Rate:1.78%

EPS(TTM):1.04

EPS(LYR):0.5270

ROE:21.33%

ROA:5.09%

PB:4.13

PE(LYR):44.23

Loading ...

Overview Company News Filings

Annual Report

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Beneficial Ownership Change

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

Annual Report

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Employee Stock Ownership

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

Annual Report

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Annual Report

20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Employee Stock Ownership

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

Annual Report

20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Annual Report

20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

important event

6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

important event

6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

Correspondence

CORRESP [Cover] - Correspondence

important event

6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Annual Report

Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Report of foreign issuer

Report of foreign issuer [Rules 13a-16 and 15d-16]

Report of foreign issuer

Report of foreign issuer [Rules 13a-16 and 15d-16]

Report of foreign issuer

Report of foreign issuer [Rules 13a-16 and 15d-16]

Beneficial Ownership Change

Statement of acquisition of beneficial ownership by individuals

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://www.etasphere.com/stock/UMC/filings"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"UMC","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"UMC\",,,,,undefined,":{"symbol":"UMC","market":"US","secType":"STK","nameCN":"United Microelectronics","latestPrice":23.31,"timestamp":1791403200000,"preClose":23.19,"halted":0,"volume":8057946,"hourTrading":{"tag":"盘后","latestPrice":23.35,"preClose":23.31,"latestTime":"19:59 EDT","volume":646521,"amount":15070713.5042,"timestamp":1791417591342,"change":0.04,"changeRate":0.001716,"amplitude":0.007722},"delay":0,"changeRate":0.005174644243208169,"floatShares":2167000000,"shares":2511265483,"eps":1.040191,"marketStatus":"Closed","change":0.12,"latestTime":"10-07 16:00:00 EDT","open":22.91,"high":23.34,"low":22.85,"amount":187173386.257104,"amplitude":0.02113,"askPrice":0,"askSize":0,"bidPrice":0,"bidSize":0,"shortable":3,"etf":0,"ttmEps":1.040191,"tradingStatus":0,"nextMarketStatus":{"tag":"Pre-Mkt","tradingStatus":1,"beginTime":1791446400000},"marketStatusCode":5,"adr":1,"adrRate":5,"listingDate":969336000000,"exchange":"NYSE","adjPreClose":23.19,"dividendRate":0.017828,"preHourTrading":{"tag":"盘前","latestPrice":22.91,"preClose":23.19,"latestTime":"09:29 EDT","volume":31058,"amount":713496.83161,"timestamp":1791379772285,"change":-0.28,"changeRate":-0.012074,"amplitude":0.028629},"postHourTrading":{"tag":"盘后","latestPrice":23.35,"preClose":23.31,"latestTime":"19:59 EDT","volume":646521,"amount":15070713.5042,"timestamp":1791417591342,"change":0.04,"changeRate":0.001716,"amplitude":0.007722},"volumeRatio":0.560233,"optionData":{"bulkOrders":[{"symbol":"UMC","call":true,"expireDate":1832043600000,"strike":"30.0","timestamp":1791386977020,"price":3.72,"volume":9000,"amount":3348000,"type":"-"},{"symbol":"UMC","call":false,"expireDate":1832043600000,"strike":"30.0","timestamp":1791386977020,"price":9.58,"volume":9000,"amount":8622000,"type":"-"}]},"impliedVol":0.5952,"impliedVolPercentile":0.494},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"UMC\",,,,,undefined,":{"symbol":"UMC","floatShares":2167000000,"roa":"5.09%","roe":"21.33%","lyrEps":0.527036,"volumeRatio":0.560233,"shares":2511265483,"dividePrice":0.415571,"high":23.34,"amplitude":0.02113,"preClose":23.19,"low":22.85,"week52Low":6.97,"pbRate":"4.13","psRate":"7.30","week52High":28.96,"institutionHeld":0.0726,"latestPrice":23.31,"eps":1.040191,"divideRate":0.017828,"volume":8057946,"delay":0,"ttmEps":1.040191,"open":22.91,"prevYearClose":7.86,"prevWeekClose":26.27,"prevMonthClose":24.49,"prevQuarterClose":24.49,"fiveDayClose":24.49,"twentyDayClose":22.69,"sixtyDayClose":23.84,"earningDate":1793116800000,"dividendPayoutRate":3.4404187387352874,"dividendFrequency":"A","dividendGrowthYears":1,"dividendGrowthRate":0.0277934541207256,"fiveYearAvgDividendRate":0.05008553618821717},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/UMC\",params:#limit:5,,,undefined,":[{"date":"2026-10-28","symbol":"UMC","type":"earning","reportTimeType":"","market":"US","fiscalQuarterEnding":"2026/09","expectedEps":0.23,"defaultRemindTime":1793174400000,"name":null,"time":"","dateTimestamp":1793160000000,"actualEps":null},{"market":"US","date":"2026-07-29","symbol":"UMC","fiscalQuarterEnding":"2026/06","expectedEps":0.16,"name":null,"time":"","type":"earning","dateTimestamp":1785297600000,"reportTimeType":"","actualEps":0.54},{"date":"2026-07-08","symbol":"UMC","amount":0.412162,"announcedDate":"2026-06-23","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-07-08","defaultRemindTime":1783517400000,"name":"联电","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-08-06","payableDate":"2026-07-08","currency":"USD","dateTimestamp":1783483200000,"payDate":"2026-08-06"},{"market":"US","date":"2026-04-29","symbol":"UMC","fiscalQuarterEnding":"2026/03","expectedEps":0.12,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1777435200000,"reportTimeType":"pre","actualEps":0.2},{"market":"US","date":"2026-01-28","symbol":"UMC","fiscalQuarterEnding":"2025/12","expectedEps":0.12,"name":null,"time":"","type":"earning","dateTimestamp":1769576400000,"reportTimeType":"","actualEps":0.1}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"UMC\",market:\"US\",,,undefined,":[{"executeDate":"2017-07-07","recordDate":"2017-07-11","paymentDate":"2017-08-17","value":0.057984,"currency":"USD"},{"executeDate":"2017-07-11","recordDate":"2017-07-13","paymentDate":"2017-08-17","value":0.057984,"currency":"USD"},{"executeDate":"2018-07-09","recordDate":"2018-07-10","paymentDate":"2018-08-07","value":0.083172,"currency":"USD"},{"executeDate":"2019-07-15","recordDate":"2019-07-16","paymentDate":"2019-08-13","value":0.064765,"currency":"USD"},{"executeDate":"2020-07-14","recordDate":"2020-07-15","paymentDate":"2020-08-12","value":0.0975573,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"UMC\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0,"buy":0,"hold":0.25,"sell":0.5,"strongSell":0.25,"meanLabel":"SELL","meanPercent":0.5,"analysts":4,"updateTime":1785470400000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/UMC\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"UMC","date":"2026-10-06","current":22.409346,"percent":0.936482,"low":5.656177,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"high":44.800395,"avg":12.587486,"sd":6.303479,"marketCap":58347652649.08},"quantilePoints":[{"date":"2021-10-08","current":17.764946,"twenty":16.800145,"median":19.243494,"eighty":27.917881,"marketCap":26993282836.88},{"date":"2021-10-15","current":17.183442,"twenty":16.792167,"median":19.239207,"eighty":27.850736,"marketCap":26183359174.4},{"date":"2021-10-22","current":16.95084,"twenty":16.800145,"median":19.203749,"eighty":27.75891,"marketCap":25916847763.31},{"date":"2021-10-29","current":14.102747,"twenty":16.787214,"median":19.19856,"eighty":27.667917,"marketCap":25827904093.32},{"date":"2021-11-05","current":14.686309,"twenty":16.733551,"median":19.184818,"eighty":27.566748,"marketCap":26868678844.86},{"date":"2021-11-12","current":15.221241,"twenty":16.700516,"median":19.147218,"eighty":27.523567,"marketCap":27939499310.23},{"date":"2021-11-19","current":15.90708,"twenty":16.594485,"median":19.140785,"eighty":27.418881,"marketCap":29183699660.73},{"date":"2021-11-26","current":15.271774,"twenty":16.481945,"median":19.123562,"eighty":27.304341,"marketCap":27938787548.83},{"date":"2021-12-03","current":16.687482,"twenty":16.443883,"median":19.090511,"eighty":27.229624,"marketCap":30705983593.09},{"date":"2021-12-10","current":15.514716,"twenty":16.381279,"median":19.075576,"eighty":27.148444,"marketCap":28543905557.63},{"date":"2021-12-17","current":15.221525,"twenty":16.298368,"median":19.07333,"eighty":27.017224,"marketCap":27893863100.95},{"date":"2021-12-23","current":15.612447,"twenty":16.25867,"median":19.064033,"eighty":26.929623,"marketCap":28731997265.23},{"date":"2021-12-31","current":15.881206,"twenty":16.204184,"median":19.050624,"eighty":26.728992,"marketCap":29241365925.2},{"date":"2022-01-07","current":15.294823,"twenty":16.15665,"median":19.049969,"eighty":26.683093,"marketCap":28173884289.2},{"date":"2022-01-14","current":15.319255,"twenty":16.026246,"median":18.987055,"eighty":26.634074,"marketCap":28307796247.48},{"date":"2022-01-21","current":15.343688,"twenty":16.026246,"median":18.986918,"eighty":26.568674,"marketCap":28261856205.5},{"date":"2022-01-28","current":12.80684,"twenty":15.961884,"median":18.975879,"eighty":26.266672,"marketCap":25640457051.11},{"date":"2022-02-04","current":12.80684,"twenty":15.956445,"median":18.889792,"eighty":26.266626,"marketCap":25657033146.61},{"date":"2022-02-11","current":12.38218,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":24797370233.94},{"date":"2022-02-18","current":12.002221,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":24014023677.93},{"date":"2022-02-25","current":11.659631,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":23228586733.81},{"date":"2022-03-04","current":11.950562,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":23656106385.61},{"date":"2022-03-11","current":11.749148,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":23062620931.13},{"date":"2022-03-18","current":11.815222,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":23239751752.71},{"date":"2022-03-25","current":11.927109,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":23190782964.9},{"date":"2022-04-01","current":11.8376,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":23014336631.8},{"date":"2022-04-08","current":11.188658,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":21562540567.99},{"date":"2022-04-14","current":10.797055,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":20698438261.78},{"date":"2022-04-22","current":10.662791,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":20279354359.58},{"date":"2022-04-29","current":9.15664,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":20262361697.17},{"date":"2022-05-06","current":9.300311,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":20439377218.39},{"date":"2022-05-13","current":9.357779,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":20454603562.33},{"date":"2022-05-20","current":9.712168,"twenty":15.897521,"median":18.852567,"eighty":26.246665,"marketCap":21289230324.9},{"date":"2022-05-27","current":9.616387,"twenty":15.881206,"median":18.852567,"eighty":26.246665,"marketCap":21391594937.05},{"date":"2022-06-03","current":9.712168,"twenty":15.828395,"median":18.852567,"eighty":26.246665,"marketCap":21555354768.15},{"date":"2022-06-10","current":9.807949,"twenty":15.756719,"median":18.852567,"eighty":26.246665,"marketCap":21548476713.87},{"date":"2022-06-17","current":9.127906,"twenty":15.756719,"median":18.852567,"eighty":26.246665,"marketCap":19953475040.66},{"date":"2022-06-24","current":7.968958,"twenty":15.580562,"median":18.852567,"eighty":26.251655,"marketCap":17474552816.22},{"date":"2022-07-01","current":7.288915,"twenty":15.517672,"median":18.813837,"eighty":26.251655,"marketCap":15934536622.36},{"date":"2022-07-08","current":7.604992,"twenty":15.456638,"median":18.813837,"eighty":26.251655,"marketCap":16647863411.74},{"date":"2022-07-15","current":7.46132,"twenty":15.417824,"median":18.805206,"eighty":26.251655,"marketCap":16238976241.72},{"date":"2022-07-22","current":8.131786,"twenty":15.383698,"median":18.80325,"eighty":26.251655,"marketCap":17730170382.97},{"date":"2022-07-29","current":6.723007,"twenty":15.343339,"median":18.795952,"eighty":26.251655,"marketCap":16675781382.29},{"date":"2022-08-05","current":7.057902,"twenty":15.309482,"median":18.758502,"eighty":26.251655,"marketCap":17522781177.35},{"date":"2022-08-12","current":7.091391,"twenty":15.246786,"median":18.647833,"eighty":26.251655,"marketCap":17632940710.06},{"date":"2022-08-19","current":7.200232,"twenty":15.201569,"median":18.612114,"eighty":26.251655,"marketCap":17813259095.68},{"date":"2022-08-26","current":6.915571,"twenty":15.165101,"median":18.571901,"eighty":26.251655,"marketCap":17032700055.81},{"date":"2022-09-02","current":6.781614,"twenty":15.09557,"median":18.461859,"eighty":26.251655,"marketCap":16524777755.69},{"date":"2022-09-09","current":6.580677,"twenty":14.943429,"median":18.419176,"eighty":26.078175,"marketCap":15904145147.22},{"date":"2022-09-16","current":6.689518,"twenty":14.800018,"median":18.356096,"eighty":26.078175,"marketCap":15931656012.3},{"date":"2022-09-23","current":6.41323,"twenty":14.560889,"median":18.273925,"eighty":26.029126,"marketCap":15012257165.55},{"date":"2022-09-30","current":5.986239,"twenty":14.216388,"median":18.234747,"eighty":26.029126,"marketCap":14037431644.69},{"date":"2022-10-07","current":6.371368,"twenty":14.083361,"median":18.205154,"eighty":26.029126,"marketCap":14980595463.22},{"date":"2022-10-14","current":6.480209,"twenty":13.661189,"median":18.166858,"eighty":25.839684,"marketCap":15113515387.96},{"date":"2022-10-21","current":6.538815,"twenty":13.42009,"median":18.149819,"eighty":25.456877,"marketCap":15161024014},{"date":"2022-10-28","current":5.685868,"twenty":13.261372,"median":18.131207,"eighty":25.168645,"marketCap":14877706079.02},{"date":"2022-11-04","current":5.774942,"twenty":13.12499,"median":18.077262,"eighty":25.168645,"marketCap":15143294770.68},{"date":"2022-11-11","current":6.531841,"twenty":13.006964,"median":18.053723,"eighty":25.168645,"marketCap":17659549737.81},{"date":"2022-11-18","current":6.769362,"twenty":12.89673,"median":17.99171,"eighty":25.168645,"marketCap":18286427003.05},{"date":"2022-11-25","current":6.799053,"twenty":12.842382,"median":17.977237,"eighty":25.168645,"marketCap":18472868169.29},{"date":"2022-12-02","current":6.754517,"twenty":12.80684,"median":17.939397,"eighty":25.168645,"marketCap":18551493532.88},{"date":"2022-12-09","current":6.457615,"twenty":12.7845,"median":17.92848,"eighty":25.168645,"marketCap":17700195356.28},{"date":"2022-12-16","current":6.576376,"twenty":12.723276,"median":17.90911,"eighty":25.168645,"marketCap":17990526895.75},{"date":"2022-12-23","current":6.239022,"twenty":12.671954,"median":17.888272,"eighty":25.168645,"marketCap":17058769466.94},{"date":"2022-12-30","current":6.053115,"twenty":12.669736,"median":17.851461,"eighty":25.168645,"marketCap":16566624903.1},{"date":"2023-01-06","current":6.305948,"twenty":12.615634,"median":17.851461,"eighty":25.168645,"marketCap":17296883075.75},{"date":"2023-01-13","current":6.752123,"twenty":12.542429,"median":17.851461,"eighty":25.168645,"marketCap":18740199507.26},{"date":"2023-01-20","current":6.589501,"twenty":12.502995,"median":17.851461,"eighty":25.168645,"marketCap":18929112693.59},{"date":"2023-01-27","current":6.589501,"twenty":12.387258,"median":17.851461,"eighty":25.168645,"marketCap":18994189144.62},{"date":"2023-02-03","current":7.184635,"twenty":12.306097,"median":17.809615,"eighty":25.168645,"marketCap":20940167260.45},{"date":"2023-02-10","current":7.285019,"twenty":12.172085,"median":17.789997,"eighty":25.168645,"marketCap":21065867961.76},{"date":"2023-02-17","current":7.170295,"twenty":12.088474,"median":17.789997,"eighty":25.168645,"marketCap":20544719521.57},{"date":"2023-02-24","current":7.163124,"twenty":12.028878,"median":17.788382,"eighty":25.168645,"marketCap":20382189973.89},{"date":"2023-03-03","current":7.356722,"twenty":11.976668,"median":17.764946,"eighty":25.168645,"marketCap":20946046590.45},{"date":"2023-03-10","current":7.457107,"twenty":11.918158,"median":17.762476,"eighty":25.168645,"marketCap":21185512891.15},{"date":"2023-03-17","current":7.629194,"twenty":11.829074,"median":17.759059,"eighty":25.168645,"marketCap":21731050401.72},{"date":"2023-03-24","current":7.614853,"twenty":11.749148,"median":17.743788,"eighty":25.168645,"marketCap":21881044323.8},{"date":"2023-03-31","current":7.586172,"twenty":11.583541,"median":17.694325,"eighty":25.156512,"marketCap":21684298867.53},{"date":"2023-04-06","current":7.571831,"twenty":11.260265,"median":17.667772,"eighty":25.156512,"marketCap":21619212388.83},{"date":"2023-04-14","current":7.356722,"twenty":10.792579,"median":17.610625,"eighty":25.168645,"marketCap":21041546327.25},{"date":"2023-04-21","current":7.184635,"twenty":10.526289,"median":17.603958,"eighty":25.168645,"marketCap":20476807455.4},{"date":"2023-04-28","current":7.346602,"twenty":10.007173,"median":17.603958,"eighty":25.168645,"marketCap":19949415963.67},{"date":"2023-05-05","current":7.421415,"twenty":9.807949,"median":17.603427,"eighty":25.168645,"marketCap":20188644932.17},{"date":"2023-05-12","current":7.286752,"twenty":9.712168,"median":17.590495,"eighty":25.168645,"marketCap":19770835514.58},{"date":"2023-05-19","current":7.481265,"twenty":9.551257,"median":17.575664,"eighty":25.168645,"marketCap":20307169742.44},{"date":"2023-05-26","current":7.540145,"twenty":9.449729,"median":17.526407,"eighty":25.168645,"marketCap":20433145841.31},{"date":"2023-06-02","current":7.689751,"twenty":9.378851,"median":17.489489,"eighty":25.168645,"marketCap":20930867541.26},{"date":"2023-06-09","current":7.824396,"twenty":9.275408,"median":17.451725,"eighty":25.168645,"marketCap":21284190420.99},{"date":"2023-06-16","current":8.153529,"twenty":9.145146,"median":17.4448,"eighty":25.168645,"marketCap":22196849690.02},{"date":"2023-06-23","current":8.063766,"twenty":8.309938,"median":17.416043,"eighty":25.180777,"marketCap":21718311475.64},{"date":"2023-06-30","current":7.255893,"twenty":8.090974,"median":17.377582,"eighty":25.180777,"marketCap":19517291702.22},{"date":"2023-07-07","current":7.233452,"twenty":8.03854,"median":17.349016,"eighty":25.180777,"marketCap":19281305849.58},{"date":"2023-07-14","current":7.218492,"twenty":7.963008,"median":17.310371,"eighty":25.180777,"marketCap":19474980417.02},{"date":"2023-07-21","current":6.762193,"twenty":7.809784,"median":17.271122,"eighty":25.19291,"marketCap":18143761836.81},{"date":"2023-07-28","current":7.337965,"twenty":7.692743,"median":17.271122,"eighty":25.19291,"marketCap":18757499562.81},{"date":"2023-08-04","current":7.252186,"twenty":7.64335,"median":17.271122,"eighty":25.19291,"marketCap":18359679625.67},{"date":"2023-08-11","current":7.072831,"twenty":7.614872,"median":17.216206,"eighty":25.19291,"marketCap":17838027010.38},{"date":"2023-08-18","current":6.831092,"twenty":7.586172,"median":17.216206,"eighty":25.19291,"marketCap":17133482425.15},{"date":"2023-08-25","current":6.784303,"twenty":7.55845,"median":17.216206,"eighty":25.19291,"marketCap":17092063636.69},{"date":"2023-09-01","current":7.166408,"twenty":7.501944,"median":17.216206,"eighty":25.19291,"marketCap":18022437045.08},{"date":"2023-09-08","current":7.127417,"twenty":7.47528,"median":17.216206,"eighty":25.19291,"marketCap":17820960712.13},{"date":"2023-09-15","current":7.423743,"twenty":7.471447,"median":17.216206,"eighty":25.19291,"marketCap":18643280013.5},{"date":"2023-09-22","current":7.072831,"twenty":7.457107,"median":17.216206,"eighty":25.19291,"marketCap":17620179135.46},{"date":"2023-09-29","current":7.049437,"twenty":7.429634,"median":17.216206,"eighty":25.19291,"marketCap":17550990487.36},{"date":"2023-10-06","current":7.049437,"twenty":7.399744,"median":17.216206,"eighty":25.19291,"marketCap":17494486555.63},{"date":"2023-10-12","current":7.330167,"twenty":7.394274,"median":17.216206,"eighty":25.19291,"marketCap":18254459006.18},{"date":"2023-10-20","current":7.5953,"twenty":7.385404,"median":17.216206,"eighty":25.205042,"marketCap":18799681405.29},{"date":"2023-10-27","current":8.426672,"twenty":7.385013,"median":17.244047,"eighty":25.510499,"marketCap":17947458373.28},{"date":"2023-11-03","current":8.932996,"twenty":7.385013,"median":17.244047,"eighty":25.510499,"marketCap":19089352160.5},{"date":"2023-11-10","current":8.779259,"twenty":7.385013,"median":17.244047,"eighty":25.510499,"marketCap":18795678899.65},{"date":"2023-11-17","current":8.996254,"twenty":7.385013,"median":17.244047,"eighty":25.510499,"marketCap":19481629845.44},{"date":"2023-11-24","current":9.09571,"twenty":7.385013,"median":17.244047,"eighty":25.510499,"marketCap":19893893695.57},{"date":"2023-12-01","current":8.987213,"twenty":7.385013,"median":17.244047,"eighty":25.510499,"marketCap":19823389944.88},{"date":"2023-12-08","current":8.779259,"twenty":7.385144,"median":17.230126,"eighty":25.40868,"marketCap":19322168504.68},{"date":"2023-12-15","current":9.168042,"twenty":7.385144,"median":17.230126,"eighty":25.40868,"marketCap":20301911967.14},{"date":"2023-12-22","current":9.060789,"twenty":7.385144,"median":17.230126,"eighty":25.40868,"marketCap":20076625797.15},{"date":"2023-12-29","current":9.53195,"twenty":7.385013,"median":17.244047,"eighty":25.510499,"marketCap":21441494099.03},{"date":"2024-01-05","current":9.205762,"twenty":7.384883,"median":17.244929,"eighty":25.612318,"marketCap":20488459321.08},{"date":"2024-01-12","current":9.078911,"twenty":7.384883,"median":17.244929,"eighty":25.612318,"marketCap":20188592339.87},{"date":"2024-01-19","current":8.915817,"twenty":7.384753,"median":17.24581,"eighty":25.714137,"marketCap":19541232138.46},{"date":"2024-01-26","current":9.024546,"twenty":7.384883,"median":17.244929,"eighty":25.612318,"marketCap":19905102193.7},{"date":"2024-02-02","current":9.974141,"twenty":7.384883,"median":17.207765,"eighty":25.612318,"marketCap":19424685182.74},{"date":"2024-02-09","current":9.881693,"twenty":7.384883,"median":17.180583,"eighty":25.612318,"marketCap":19182165119.7},{"date":"2024-02-16","current":10.035773,"twenty":7.384883,"median":17.149586,"eighty":25.612318,"marketCap":19505475223.58},{"date":"2024-02-23","current":9.891965,"twenty":7.384883,"median":17.122149,"eighty":25.612318,"marketCap":19121769104.12},{"date":"2024-03-01","current":9.922841,"twenty":7.385013,"median":17.066548,"eighty":25.510499,"marketCap":19119527701.26},{"date":"2024-03-08","current":10.662431,"twenty":7.385013,"median":17.011916,"eighty":25.510499,"marketCap":20650929504.73},{"date":"2024-03-15","current":10.661761,"twenty":7.385013,"median":16.956796,"eighty":25.510499,"marketCap":20597303240.48},{"date":"2024-03-22","current":10.764475,"twenty":7.385013,"median":16.863615,"eighty":25.510499,"marketCap":20561270914.19},{"date":"2024-03-28","current":10.682303,"twenty":7.385013,"median":16.805464,"eighty":25.510499,"marketCap":20361589108.35},{"date":"2024-04-05","current":10.600132,"twenty":7.384883,"median":16.727764,"eighty":25.612318,"marketCap":20164628461.68},{"date":"2024-04-12","current":10.826104,"twenty":7.384883,"median":16.453032,"eighty":25.612318,"marketCap":20467454757.66},{"date":"2024-04-19","current":10.08656,"twenty":7.384883,"median":16.272879,"eighty":25.612318,"marketCap":18946551115.59},{"date":"2024-04-26","current":11.290127,"twenty":7.385013,"median":16.149714,"eighty":25.101542,"marketCap":19137590564.01},{"date":"2024-05-03","current":11.652862,"twenty":7.385013,"median":15.881206,"eighty":24.666408,"marketCap":19849869607.88},{"date":"2024-05-10","current":11.83423,"twenty":7.385013,"median":15.807908,"eighty":24.248574,"marketCap":20174363480.43},{"date":"2024-05-17","current":11.970255,"twenty":7.385013,"median":15.588014,"eighty":23.984708,"marketCap":20569325071.18},{"date":"2024-05-24","current":12.378332,"twenty":7.385013,"median":15.519643,"eighty":23.62257,"marketCap":21204617306.94},{"date":"2024-05-31","current":12.469016,"twenty":7.385013,"median":15.465851,"eighty":23.37313,"marketCap":21275546186.4},{"date":"2024-06-07","current":12.491687,"twenty":7.385013,"median":15.416986,"eighty":23.198483,"marketCap":21355769490.33},{"date":"2024-06-14","current":12.763738,"twenty":7.385013,"median":15.370415,"eighty":23.073782,"marketCap":21780440187.25},{"date":"2024-06-21","current":13.081131,"twenty":7.384883,"median":15.343252,"eighty":22.951461,"marketCap":22326186106.21},{"date":"2024-06-28","current":12.627712,"twenty":7.375329,"median":15.319255,"eighty":22.80912,"marketCap":21422637056.61},{"date":"2024-07-05","current":12.128952,"twenty":7.375329,"median":15.283299,"eighty":22.683996,"marketCap":20636684314.16},{"date":"2024-07-12","current":12.015597,"twenty":7.375329,"median":15.209166,"eighty":22.53483,"marketCap":20460826797.86},{"date":"2024-07-15","current":12.106281,"twenty":7.375329,"median":15.197009,"eighty":22.518815,"marketCap":20519142696.92},{"date":"2024-08-02","current":12.719176,"twenty":7.356722,"median":14.686309,"eighty":22.29364,"marketCap":20206785364.8},{"date":"2024-08-09","current":12.959614,"twenty":7.356722,"median":14.248638,"eighty":22.19586,"marketCap":20794178355.26},{"date":"2024-08-16","current":13.416315,"twenty":7.356722,"median":13.392402,"eighty":21.983042,"marketCap":21556178478.22},{"date":"2024-08-23","current":13.368228,"twenty":7.356722,"median":13.368228,"eighty":21.914517,"marketCap":21736285173.34},{"date":"2024-08-30","current":13.344184,"twenty":7.356722,"median":13.151964,"eighty":21.848905,"marketCap":21786247785.19},{"date":"2024-09-06","current":13.103748,"twenty":7.356722,"median":13.103748,"eighty":21.776093,"marketCap":21278363860.76},{"date":"2024-09-13","current":13.127792,"twenty":7.356722,"median":12.98353,"eighty":21.55454,"marketCap":21263732190.43},{"date":"2024-09-20","current":12.935443,"twenty":7.356722,"median":12.959487,"eighty":21.463697,"marketCap":21077316096.78},{"date":"2024-09-27","current":13.223966,"twenty":7.356722,"median":12.959487,"eighty":21.338453,"marketCap":21715850465.48},{"date":"2024-10-04","current":12.64692,"twenty":7.356722,"median":12.9114,"eighty":21.07361,"marketCap":20553202501.26},{"date":"2024-10-11","current":12.454572,"twenty":7.356722,"median":12.877093,"eighty":20.68935,"marketCap":20098936439.38},{"date":"2024-10-18","current":12.142005,"twenty":7.356722,"median":12.80684,"eighty":20.545808,"marketCap":19692715151.64},{"date":"2024-10-25","current":11.9737,"twenty":7.356722,"median":12.80684,"eighty":20.47338,"marketCap":19421560340.02},{"date":"2024-10-31","current":11.919858,"twenty":7.356722,"median":12.763738,"eighty":20.401293,"marketCap":18876201776.99},{"date":"2024-11-08","current":11.548523,"twenty":7.356722,"median":12.684093,"eighty":20.313938,"marketCap":18146204570.7},{"date":"2024-11-15","current":11.140054,"twenty":7.356722,"median":12.637316,"eighty":20.074439,"marketCap":17310887597.64},{"date":"2024-11-22","current":11.003898,"twenty":7.356722,"median":12.503985,"eighty":20.000081,"marketCap":17090389159.67},{"date":"2024-11-29","current":10.781097,"twenty":7.356722,"median":12.478615,"eighty":19.968755,"marketCap":16740242107.91},{"date":"2024-12-06","current":10.768112,"twenty":7.356722,"median":12.461794,"eighty":19.896665,"marketCap":16810339242.83},{"date":"2024-12-13","current":10.260649,"twenty":7.356722,"median":12.415765,"eighty":19.818836,"marketCap":15974763697.32},{"date":"2024-12-20","current":10.483438,"twenty":7.356722,"median":12.344326,"eighty":19.701632,"marketCap":16242672456.19},{"date":"2024-12-27","current":10.792866,"twenty":7.356722,"median":12.207636,"eighty":19.605906,"marketCap":16667491184.71},{"date":"2025-01-03","current":10.669095,"twenty":7.356722,"median":12.15034,"eighty":19.489356,"marketCap":16394306160.98},{"date":"2025-01-10","current":10.223518,"twenty":7.356722,"median":12.107218,"eighty":19.420823,"marketCap":15721081239.86},{"date":"2025-01-17","current":10.225593,"twenty":7.356722,"median":12.038996,"eighty":19.265226,"marketCap":15710428532},{"date":"2025-01-24","current":10.695406,"twenty":7.356722,"median":12.009883,"eighty":19.196274,"marketCap":15401579973.77},{"date":"2025-01-31","current":10.695406,"twenty":7.356722,"median":11.979871,"eighty":19.093791,"marketCap":15374381129.62},{"date":"2025-02-07","current":10.682103,"twenty":7.356722,"median":11.95752,"eighty":19.047384,"marketCap":15358064488.84},{"date":"2025-02-14","current":11.014672,"twenty":7.356722,"median":11.919858,"eighty":18.939703,"marketCap":15896724722.58},{"date":"2025-02-21","current":11.599992,"twenty":7.356722,"median":11.841461,"eighty":18.833623,"marketCap":16725627927.01},{"date":"2025-02-28","current":11.626615,"twenty":7.356722,"median":11.816286,"eighty":18.801861,"marketCap":16687541630.56},{"date":"2025-03-07","current":11.74634,"twenty":7.356722,"median":11.768342,"eighty":18.757231,"marketCap":16855281883.1},{"date":"2025-03-14","current":11.945881,"twenty":7.356722,"median":11.766217,"eighty":18.626109,"marketCap":17089151158.69},{"date":"2025-03-21","current":11.972487,"twenty":7.356722,"median":11.757682,"eighty":18.586671,"marketCap":17114247076.03},{"date":"2025-03-28","current":11.852762,"twenty":7.356722,"median":11.757682,"eighty":18.493889,"marketCap":16901142160.68},{"date":"2025-04-04","current":12.039001,"twenty":7.356722,"median":11.757682,"eighty":18.340635,"marketCap":17183831699.15},{"date":"2025-04-11","current":11.730835,"twenty":7.356722,"median":11.733037,"eighty":18.251093,"marketCap":16871493105.86},{"date":"2025-04-17","current":11.730835,"twenty":7.356722,"median":11.730835,"eighty":18.168005,"marketCap":17030770709.22},{"date":"2025-04-25","current":12.591769,"twenty":7.356722,"median":11.725855,"eighty":18.045229,"marketCap":17243702876.96},{"date":"2025-05-02","current":12.87378,"twenty":7.356722,"median":11.725855,"eighty":18.045229,"marketCap":17846130281.75},{"date":"2025-05-09","current":12.845579,"twenty":7.356722,"median":11.725855,"eighty":18.045229,"marketCap":18903316257.53},{"date":"2025-05-16","current":13.478115,"twenty":7.356722,"median":11.725855,"eighty":18.045229,"marketCap":19882107733.24},{"date":"2025-05-23","current":13.548607,"twenty":7.356722,"median":11.725855,"eighty":18.045229,"marketCap":20043858847.78},{"date":"2025-05-30","current":13.182048,"twenty":7.356722,"median":11.725855,"eighty":18.045229,"marketCap":19667528902.8},{"date":"2025-06-06","current":12.688602,"twenty":7.356722,"median":11.725855,"eighty":17.945241,"marketCap":18876289392.66},{"date":"2025-06-13","current":13.379426,"twenty":7.356722,"median":11.725855,"eighty":17.908744,"marketCap":20183139923.92},{"date":"2025-06-20","current":13.43582,"twenty":7.356722,"median":11.720875,"eighty":17.90911,"marketCap":20178664871.17},{"date":"2025-06-27","current":12.491224,"twenty":7.356722,"median":11.720875,"eighty":17.809615,"marketCap":18999668384.29},{"date":"2025-07-03","current":12.519421,"twenty":7.356722,"median":11.720875,"eighty":17.794021,"marketCap":19275626389.27},{"date":"2025-07-11","current":12.195156,"twenty":7.356722,"median":11.720875,"eighty":17.71012,"marketCap":18543004001.71},{"date":"2025-07-18","current":12.25155,"twenty":7.356722,"median":11.720875,"eighty":17.610625,"marketCap":18536975392.02},{"date":"2025-07-25","current":12.265649,"twenty":7.356722,"median":11.720875,"eighty":17.57746,"marketCap":18584827666.69},{"date":"2025-08-01","current":13.000555,"twenty":7.356722,"median":11.720875,"eighty":17.474194,"marketCap":17218795431.74},{"date":"2025-08-08","current":12.826369,"twenty":7.356722,"median":11.720875,"eighty":17.416043,"marketCap":17030762291.09},{"date":"2025-08-15","current":13.047872,"twenty":7.356722,"median":11.720875,"eighty":17.37847,"marketCap":17207886427.24},{"date":"2025-08-22","current":12.857855,"twenty":7.356722,"median":11.720875,"eighty":17.31214,"marketCap":16705013376.51},{"date":"2025-08-29","current":12.826185,"twenty":7.356722,"median":11.720875,"eighty":17.270667,"marketCap":16662230028.47},{"date":"2025-09-05","current":13.047872,"twenty":7.356722,"median":11.713653,"eighty":17.188931,"marketCap":16832195277.61},{"date":"2025-09-12","current":13.032038,"twenty":7.356722,"median":11.720875,"eighty":17.078239,"marketCap":17052570075.61},{"date":"2025-09-19","current":13.697099,"twenty":7.356722,"median":11.720875,"eighty":17.008991,"marketCap":18008992235.81},{"date":"2025-09-26","current":14.203813,"twenty":7.356722,"median":11.720875,"eighty":16.91416,"marketCap":18421094656.44},{"date":"2025-10-03","current":13.887117,"twenty":7.356722,"median":11.720875,"eighty":16.805464,"marketCap":18062953786.6},{"date":"2025-10-10","current":14.457169,"twenty":7.356722,"median":11.720875,"eighty":16.601938,"marketCap":18727622657.46},{"date":"2025-10-17","current":14.488839,"twenty":7.356722,"median":11.720875,"eighty":16.311186,"marketCap":18745373777.75},{"date":"2025-10-24","current":14.377995,"twenty":7.356722,"median":11.720875,"eighty":16.194885,"marketCap":18513762619.66},{"date":"2025-10-31","current":14.508064,"twenty":7.356722,"median":11.720875,"eighty":15.90708,"marketCap":18955413594.51},{"date":"2025-11-07","current":14.070321,"twenty":7.356722,"median":11.720875,"eighty":15.80934,"marketCap":18222224389.03},{"date":"2025-11-14","current":13.803395,"twenty":7.356722,"median":11.720875,"eighty":15.612447,"marketCap":17827663425.43},{"date":"2025-11-21","current":14.069145,"twenty":7.356722,"median":11.720875,"eighty":15.540557,"marketCap":18063415994.63},{"date":"2025-11-28","current":14.319263,"twenty":7.356722,"median":11.720875,"eighty":15.490284,"marketCap":18349929736.57},{"date":"2025-12-05","current":15.288471,"twenty":7.356722,"median":11.720875,"eighty":15.418383,"marketCap":19578835098.57},{"date":"2025-12-12","current":15.257206,"twenty":7.356722,"median":11.720875,"eighty":15.41353,"marketCap":19632709022.91},{"date":"2025-12-19","current":15.851237,"twenty":7.356722,"median":11.720875,"eighty":15.392553,"marketCap":20186871278.98},{"date":"2025-12-26","current":15.616751,"twenty":7.356722,"median":11.720875,"eighty":15.392553,"marketCap":19897714108.83},{"date":"2026-01-02","current":15.225942,"twenty":7.356722,"median":11.720875,"eighty":15.392553,"marketCap":19521168997.89},{"date":"2026-01-09","current":17.226887,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":21926967884.44},{"date":"2026-01-16","current":18.289889,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":23265244951.66},{"date":"2026-01-23","current":20.259569,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":25736493631.88},{"date":"2026-01-30","current":18.829794,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":24985008429.02},{"date":"2026-02-06","current":18.678914,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":24597038416.62},{"date":"2026-02-13","current":18.950498,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":25149968504.44},{"date":"2026-02-20","current":18.950498,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":25017055696.2},{"date":"2026-02-27","current":19.734641,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":26318058885.59},{"date":"2026-03-06","current":18.708681,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":24470307894.9},{"date":"2026-03-13","current":17.954299,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":23499074451.73},{"date":"2026-03-20","current":17.42819,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":22802619589.07},{"date":"2026-03-27","current":17.42819,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":22767629817.99},{"date":"2026-04-02","current":16.161782,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":21099359065.47},{"date":"2026-04-10","current":18.694599,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":24535740958.88},{"date":"2026-04-17","current":22.011382,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":29090204251.13},{"date":"2026-04-24","current":22.463671,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":29713364326.05},{"date":"2026-05-01","current":19.403331,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":30746267172.02},{"date":"2026-05-08","current":22.917517,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":36582018211.51},{"date":"2026-05-15","current":27.611467,"twenty":7.356722,"median":11.720875,"eighty":15.382265,"marketCap":43867908693.13},{"date":"2026-05-22","current":28.612017,"twenty":7.356722,"median":11.720875,"eighty":15.392553,"marketCap":45405715399.82},{"date":"2026-05-29","current":36.266987,"twenty":7.356722,"median":11.713653,"eighty":15.384323,"marketCap":57913205879.83},{"date":"2026-06-05","current":33.004213,"twenty":7.356722,"median":11.720875,"eighty":15.392553,"marketCap":52533940359.73},{"date":"2026-06-12","current":33.506178,"twenty":7.356722,"median":11.720875,"eighty":15.392553,"marketCap":53034760420.26},{"date":"2026-06-18","current":36.517969,"twenty":7.356722,"median":11.720875,"eighty":15.392553,"marketCap":57908018688.81},{"date":"2026-06-26","current":41.161147,"twenty":7.356722,"median":11.713653,"eighty":15.384323,"marketCap":64840008760.49},{"date":"2026-07-02","current":41.537621,"twenty":7.356722,"median":11.713653,"eighty":15.384323,"marketCap":65258684348.66},{"date":"2026-07-10","current":39.153287,"twenty":7.356722,"median":11.713653,"eighty":15.384323,"marketCap":60949011826.91},{"date":"2026-07-17","current":36.141495,"twenty":7.356722,"median":11.713653,"eighty":15.384323,"marketCap":56110723465.01},{"date":"2026-07-24","current":32.125774,"twenty":7.356722,"median":11.713653,"eighty":15.384323,"marketCap":49720614718.64},{"date":"2026-07-31","current":18.232228,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"marketCap":46882784019.41},{"date":"2026-08-07","current":17.47883,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"marketCap":45193304160.83},{"date":"2026-08-14","current":18.232228,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"marketCap":47379052592.47},{"date":"2026-08-21","current":17.55417,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"marketCap":45872663265.24},{"date":"2026-08-28","current":19.588344,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"marketCap":51601957806.53},{"date":"2026-09-04","current":19.588344,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"marketCap":51530399101.77},{"date":"2026-09-11","current":21.17048,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"marketCap":55819135554.06},{"date":"2026-09-18","current":23.506013,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"marketCap":61493438216.01},{"date":"2026-09-25","current":23.204654,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"marketCap":60825163143.55},{"date":"2026-10-02","current":24.334751,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"marketCap":63555901514.6},{"date":"2026-10-06","current":22.225237,"twenty":7.356722,"median":11.706432,"eighty":15.38638,"marketCap":58347652649.08}],"updateTime":1791417435762},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"UMC\",pageSize:20,pageCount:1,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"21194944","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312526193757-UMC","pdf_url":"","pub_time":1777521600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","symbol":"UMC","title":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1033767/000119312526193757/0001193125-26-193757-index.htm","us_notice_code":"Form 20-F","us_title_en":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 20-F","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312526193757/d91630d20f.htm","primary":true,"translateUrl":"","linkName":"d91630d20f.htm","type":"20-F","id":"NTFILEEL2DRrmCb6NeitfC","market":"us","size":5416887},{"description":"EX-1.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312526193757/d91630dex11.htm","primary":false,"translateUrl":"","linkName":"d91630dex11.htm","type":"EX-1.1","id":"NTFILE6Vyirc6rf9WkWPsR","market":"us","size":51785},{"description":"EX-8.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312526193757/d91630dex81.htm","primary":false,"translateUrl":"","linkName":"d91630dex81.htm","type":"EX-8.1","id":"NTFILEDHQ7RkfuVZMMeLRi","market":"us","size":15309},{"description":"EX-12.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312526193757/d91630dex121.htm","primary":false,"translateUrl":"","linkName":"d91630dex121.htm","type":"EX-12.1","id":"NTFILE9w4ZYuy3QAavz38d","market":"us","size":10356},{"description":"EX-12.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312526193757/d91630dex122.htm","primary":false,"translateUrl":"","linkName":"d91630dex122.htm","type":"EX-12.2","id":"NTFILEHQy34piut4w2KUkz","market":"us","size":10378},{"description":"EX-13.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312526193757/d91630dex131.htm","primary":false,"translateUrl":"","linkName":"d91630dex131.htm","type":"EX-13.1","id":"NTFILEEjRjbBww9fuLDVic","market":"us","size":4496},{"description":"EX-13.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312526193757/d91630dex132.htm","primary":false,"translateUrl":"","linkName":"d91630dex132.htm","type":"EX-13.2","id":"NTFILE6VgF89wiqeHStq6e","market":"us","size":4710},{"description":"EX-15.1","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312526193757/d91630dex151.htm","primary":false,"translateUrl":"","linkName":"d91630dex151.htm","type":"EX-15.1","id":"NTFILEGycejBZxsnQkrRLP","market":"us","size":3464}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2026-04-30 12:00","pubTimestamp":1777521600,"title_zh":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"21188028","market":"us","labels":[],"media":"sec.gov","original_id":"AN201238326001777-UMC","pdf_url":"","pub_time":1777435200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","symbol":"UMC","title":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1033767/000201238326001777/0002012383-26-001777-index.htm","us_notice_code":"Form SCHEDULE 13G/A","us_title_en":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000201238326001777/xslSCHEDULE_13G_X02/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"SCHEDULE 13G/A","id":"NTFILE6MnSRZYTEvEKA4Fq","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2026-04-29 12:00","pubTimestamp":1777435200,"title_zh":"Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19472563","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312525092142-UMC","pdf_url":"","pub_time":1745467200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","symbol":"UMC","title":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/0001193125-25-092142-index.htm","us_notice_code":"Form 20-F","us_title_en":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 20-F","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/d846836d20f.htm","primary":true,"translateUrl":"","linkName":"d846836d20f.htm","type":"20-F","id":"NTFILE4sQ1okgE5nPCTAPA","market":"us","size":5672477},{"description":"EX-1.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/d846836dex11.htm","primary":false,"translateUrl":"","linkName":"d846836dex11.htm","type":"EX-1.1","id":"NTFILE2aBe8DGfJbB2xHG5","market":"us","size":47731},{"description":"EX-8.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/d846836dex81.htm","primary":false,"translateUrl":"","linkName":"d846836dex81.htm","type":"EX-8.1","id":"NTFILE9ZwZsrtvyA3cnxmp","market":"us","size":15786},{"description":"EX-11.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/d846836dex113.htm","primary":false,"translateUrl":"","linkName":"d846836dex113.htm","type":"EX-11.3","id":"NTFILEhB2EsUat2H5oHFcK","market":"us","size":21104},{"description":"EX-12.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/d846836dex121.htm","primary":false,"translateUrl":"","linkName":"d846836dex121.htm","type":"EX-12.1","id":"NTFILECSibsQnzJeFsbuHz","market":"us","size":10402},{"description":"EX-12.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/d846836dex122.htm","primary":false,"translateUrl":"","linkName":"d846836dex122.htm","type":"EX-12.2","id":"NTFILE4YNBd5LqCUjL3ehj","market":"us","size":10419},{"description":"EX-12.3","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/d846836dex123.htm","primary":false,"translateUrl":"","linkName":"d846836dex123.htm","type":"EX-12.3","id":"NTFILEFkcfmFJUX8ANkqCZ","market":"us","size":10583},{"description":"EX-13.1","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/d846836dex131.htm","primary":false,"translateUrl":"","linkName":"d846836dex131.htm","type":"EX-13.1","id":"NTFILE7YBChPBkGAxpXeYv","market":"us","size":4552},{"description":"EX-13.2","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/d846836dex132.htm","primary":false,"translateUrl":"","linkName":"d846836dex132.htm","type":"EX-13.2","id":"NTFILEFfjKAKvdirf2pcsp","market":"us","size":4724},{"description":"EX-13.3","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/d846836dex133.htm","primary":false,"translateUrl":"","linkName":"d846836dex133.htm","type":"EX-13.3","id":"NTFILE7Y3PHCbwX9Q3SqMC","market":"us","size":4838},{"description":"EX-15.1","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312525092142/d846836dex151.htm","primary":false,"translateUrl":"","linkName":"d846836dex151.htm","type":"EX-15.1","id":"NTFILEGGnoHgnM6z17UJ8Y","market":"us","size":3473}],"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":"2025-04-24 12:00","pubTimestamp":1745467200,"title_zh":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18982218","market":"us","labels":[],"media":"sec.gov","original_id":"AN92963824004308-UMC","pdf_url":"","pub_time":1735189200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form S-8 - Securities to be offered to employees in employee benefit plans","symbol":"UMC","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/1033767/000092963824004308/0000929638-24-004308-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":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963824004308/umc_s8.htm","primary":true,"translateUrl":"","linkName":"umc_s8.htm","type":"S-8","id":"NTFILEFucZwzv6VL576DMB","market":"us","size":58992},{"description":"ARTICLES OF INCORPORATION","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963824004308/exhibit4-1.htm","primary":false,"translateUrl":"","linkName":"exhibit4-1.htm","type":"EX-4.1","id":"NTFILE3ziofJV9PPex9nv5","market":"us","size":81209},{"description":"OPINION OF AND CONSENT OF CHEN AND LIN","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963824004308/exhibit5-1.htm","primary":false,"translateUrl":"","linkName":"exhibit5-1.htm","type":"EX-5.1","id":"NTFILEDY1HM4SryX7K5WrU","market":"us","size":24891},{"description":"CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963824004308/exhibit23-1.htm","primary":false,"translateUrl":"","linkName":"exhibit23-1.htm","type":"EX-23.1","id":"NTFILEHS6PnE2pVsiTDKxb","market":"us","size":2309},{"description":"UMC 2024 REGULATIONS","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963824004308/exhibit99-1.htm","primary":false,"translateUrl":"","linkName":"exhibit99-1.htm","type":"EX-99.1","id":"NTFILE5WNQz9MEABBjKEfz","market":"us","size":68089},{"description":"FILING FEE TABLE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963824004308/exhibit107.htm","primary":false,"translateUrl":"","linkName":"exhibit107.htm","type":"EX-FILING FEES","id":"NTFILE3rs97wiGUbPJ1Vjv","market":"us","size":11791},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963824004308/letterhead1.jpg","primary":false,"translateUrl":"","linkName":"letterhead1.jpg","type":"GRAPHIC","id":"NTFILEQHdu72d3yssryczH","market":"us","size":8762},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963824004308/logo_umc.jpg","primary":false,"translateUrl":"","linkName":"logo_umc.jpg","type":"GRAPHIC","id":"NTFILE37BcaCiLxLiideMq","market":"us","size":5223},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963824004308/sigs2.jpg","primary":false,"translateUrl":"","linkName":"sigs2.jpg","type":"GRAPHIC","id":"NTFILEA7cp2hNtt6eeB1rw","market":"us","size":50005}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2024-12-26 13:00","pubTimestamp":1735189200,"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":"17986206","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312524111429-UMC","pdf_url":"","pub_time":1714017600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","symbol":"UMC","title":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1033767/000119312524111429/0001193125-24-111429-index.htm","us_notice_code":"Form 20-F","us_title_en":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":null,"gpt_en_title":null,"attachments":[{"description":"FORM 20-F","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312524111429/d448612d20f.htm","primary":true,"translateUrl":"","linkName":"d448612d20f.htm","type":"20-F","id":"NTFILEJBUyEfLgLxi2GMZg","market":"us","size":5520206},{"description":"EX-8.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312524111429/d448612dex81.htm","primary":false,"translateUrl":"","linkName":"d448612dex81.htm","type":"EX-8.1","id":"NTFILE8KfaWBoxSMXv5tEJ","market":"us","size":16282},{"description":"EX-12.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312524111429/d448612dex121.htm","primary":false,"translateUrl":"","linkName":"d448612dex121.htm","type":"EX-12.1","id":"NTFILEDcPSpu3ZkeVoRewR","market":"us","size":10406},{"description":"EX-12.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312524111429/d448612dex122.htm","primary":false,"translateUrl":"","linkName":"d448612dex122.htm","type":"EX-12.2","id":"NTFILEBk6E2TzFbcNd7X87","market":"us","size":10423},{"description":"EX-12.3","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312524111429/d448612dex123.htm","primary":false,"translateUrl":"","linkName":"d448612dex123.htm","type":"EX-12.3","id":"NTFILEJTKJqK6PZWwXWA9U","market":"us","size":10597},{"description":"EX-13.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312524111429/d448612dex131.htm","primary":false,"translateUrl":"","linkName":"d448612dex131.htm","type":"EX-13.1","id":"NTFILEG2P69yB1xZsPRXpy","market":"us","size":4552},{"description":"EX-13.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312524111429/d448612dex132.htm","primary":false,"translateUrl":"","linkName":"d448612dex132.htm","type":"EX-13.2","id":"NTFILE2cTaPorkq7CRhQgM","market":"us","size":4568},{"description":"EX-13.3","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312524111429/d448612dex133.htm","primary":false,"translateUrl":"","linkName":"d448612dex133.htm","type":"EX-13.3","id":"NTFILE2NGqvcqxMGnhUsCk","market":"us","size":4678},{"description":"EX-15.1","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312524111429/d448612dex151.htm","primary":false,"translateUrl":"","linkName":"d448612dex151.htm","type":"EX-15.1","id":"NTFILE6pbSSF3XLpaNNqaP","market":"us","size":2166},{"description":"EX-97.1","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312524111429/d448612dex971.htm","primary":false,"translateUrl":"","linkName":"d448612dex971.htm","type":"EX-97.1","id":"NTFILEErPRUMxNRfkVxfKb","market":"us","size":18181}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2024-04-25 12:00","pubTimestamp":1714017600,"title_zh":"Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"16352226","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312523119772-UMC","pdf_url":"","pub_time":1682524800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","symbol":"UMC","title":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1033767/000119312523119772/0001193125-23-119772-index.htm","us_notice_code":"Form 20-F","us_title_en":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 20-F","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312523119772/d389572d20f.htm","primary":true,"translateUrl":"","linkName":"d389572d20f.htm","type":"20-F","id":"NTFILED1WXqT6LNLG7p71W","market":"us","size":6491995},{"description":"EX-8.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312523119772/d389572dex81.htm","primary":false,"translateUrl":"","linkName":"d389572dex81.htm","type":"EX-8.1","id":"NTFILE4cfr1Zw5TYBHgGKC","market":"us","size":16800},{"description":"EX-12.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312523119772/d389572dex121.htm","primary":false,"translateUrl":"","linkName":"d389572dex121.htm","type":"EX-12.1","id":"NTFILE742QByRCXDxvyP5M","market":"us","size":10401},{"description":"EX-12.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312523119772/d389572dex122.htm","primary":false,"translateUrl":"","linkName":"d389572dex122.htm","type":"EX-12.2","id":"NTFILEFU7Y8hRhamiuQh1M","market":"us","size":10491},{"description":"EX-12.3","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312523119772/d389572dex123.htm","primary":false,"translateUrl":"","linkName":"d389572dex123.htm","type":"EX-12.3","id":"NTFILEHxGvk6ZGwiZxC6NK","market":"us","size":10724},{"description":"EX-13.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312523119772/d389572dex131.htm","primary":false,"translateUrl":"","linkName":"d389572dex131.htm","type":"EX-13.1","id":"NTFILE328Jpd6tk2XiFKwG","market":"us","size":4547},{"description":"EX-13.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312523119772/d389572dex132.htm","primary":false,"translateUrl":"","linkName":"d389572dex132.htm","type":"EX-13.2","id":"NTFILEB5zHzHVDTSk5agLD","market":"us","size":4636},{"description":"EX-13.3","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312523119772/d389572dex133.htm","primary":false,"translateUrl":"","linkName":"d389572dex133.htm","type":"EX-13.3","id":"NTFILE4NuHYgayNVL3kME2","market":"us","size":4688},{"description":"EX-15.1","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312523119772/d389572dex151.htm","primary":false,"translateUrl":"","linkName":"d389572dex151.htm","type":"EX-15.1","id":"NTFILE9SYN1217MCMDjisM","market":"us","size":2139}],"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":"2023-04-27 00:00","pubTimestamp":1682524800,"title_zh":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"15812986","market":"us","labels":[],"media":"sec.gov","original_id":"AN92963822001961-UMC","pdf_url":"","pub_time":1672156800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8  - Securities to be offered to employees in employee benefit plans","symbol":"UMC","title":"S-8  - Securities to be offered to employees in employee benefit plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1033767/000092963822001961/0000929638-22-001961-index.htm","us_notice_code":"Form S-8","us_title_en":"S-8  - Securities to be offered to employees in employee benefit plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"REGISTRATION STATEMENT","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963822001961/s8.htm","primary":true,"translateUrl":"","linkName":"s8.htm","type":"S-8","id":"NTFILEJ9NohXKEZ5DBQzJx","market":"us","size":57215},{"description":"OPINION OF AND CONSENT OF CHEN AND LIN","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963822001961/exhibit5-1.htm","primary":false,"translateUrl":"","linkName":"exhibit5-1.htm","type":"EX-5.1","id":"NTFILE8bS1rpJ6HdtXMVK9","market":"us","size":25836},{"description":"CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963822001961/exhibit23-1.htm","primary":false,"translateUrl":"","linkName":"exhibit23-1.htm","type":"EX-23.1","id":"NTFILEiHoEuTDBtsHG9wf7","market":"us","size":2194},{"description":"UMC 2022 PLAN GOVERNING THE ISSUANCE OF RESTRICTED STOCK AWARDS FOR EMPLOYEES","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963822001961/exhibit99-1.htm","primary":false,"translateUrl":"","linkName":"exhibit99-1.htm","type":"EX-99.1","id":"NTFILEEcF7Me19Ke5LWrze","market":"us","size":52561},{"description":"FILING FEES TABLE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963822001961/exhibit107.htm","primary":false,"translateUrl":"","linkName":"exhibit107.htm","type":"EX-FILING FEES","id":"NTFILEmSShgXLQQ2Z4YxvC","market":"us","size":13470},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963822001961/letterhead1.jpg","primary":false,"translateUrl":"","linkName":"letterhead1.jpg","type":"GRAPHIC","id":"NTFILEJ7wQM3zHq6YtMkj4","market":"us","size":8762},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000092963822001961/letterhead2.jpg","primary":false,"translateUrl":"","linkName":"letterhead2.jpg","type":"GRAPHIC","id":"NTFILEDwEP7FEmCobi2EC5","market":"us","size":26918}],"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":"2022-12-28 00:00","pubTimestamp":1672156800,"title_zh":"S-8  - Securities to be offered to employees in employee benefit plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"14743236","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312522125284-UMC","pdf_url":"","pub_time":1651075200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","symbol":"UMC","title":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1033767/000119312522125284/0001193125-22-125284-index.htm","us_notice_code":"Form 20-F","us_title_en":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 20-F","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312522125284/d168667d20f.htm","primary":true,"translateUrl":"","linkName":"d168667d20f.htm","type":"20-F","id":"NTFILEC6Vj9LK8dCCpMRaY","market":"us","size":6856193},{"description":"EX-8.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312522125284/d168667dex81.htm","primary":false,"translateUrl":"","linkName":"d168667dex81.htm","type":"EX-8.1","id":"NTFILE52WJFjht7VmU9P23","market":"us","size":16804},{"description":"EX-12.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312522125284/d168667dex121.htm","primary":false,"translateUrl":"","linkName":"d168667dex121.htm","type":"EX-12.1","id":"NTFILECaH7LGNPxB8pEn9X","market":"us","size":10544},{"description":"EX-12.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312522125284/d168667dex122.htm","primary":false,"translateUrl":"","linkName":"d168667dex122.htm","type":"EX-12.2","id":"NTFILE5ZxQQDmyLnfrWBLG","market":"us","size":10562},{"description":"EX-12.3","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312522125284/d168667dex123.htm","primary":false,"translateUrl":"","linkName":"d168667dex123.htm","type":"EX-12.3","id":"NTFILE9oaLeS8pYVLvAbmb","market":"us","size":10542},{"description":"EX-13.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312522125284/d168667dex131.htm","primary":false,"translateUrl":"","linkName":"d168667dex131.htm","type":"EX-13.1","id":"NTFILEE5KTQr8sAgPKT6f8","market":"us","size":4690},{"description":"EX-13.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312522125284/d168667dex132.htm","primary":false,"translateUrl":"","linkName":"d168667dex132.htm","type":"EX-13.2","id":"NTFILEAgSFnCYKtcda7GkW","market":"us","size":4707},{"description":"EX-13.3","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312522125284/d168667dex133.htm","primary":false,"translateUrl":"","linkName":"d168667dex133.htm","type":"EX-13.3","id":"NTFILEEY8kgZBUfAEbLtWD","market":"us","size":4687}],"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":"2022-04-28 00:00","pubTimestamp":1651075200,"title_zh":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12654875","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021021578-UMC","pdf_url":null,"pub_time":1619625600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","symbol":"UMC","title":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021578/0001564590-21-021578-index.htm","us_notice_code":"Form 20-F","us_title_en":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"20-F","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021578/umc-20f_20201231.htm","primary":true,"translateUrl":null,"linkName":"umc-20f_20201231.htm","type":"20-F","id":"NTFILE7YnfYu5RMiKPpBgf","market":"us","size":12965278},{"description":"EX-8.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021578/umc-ex81_480.htm","primary":false,"translateUrl":null,"linkName":"umc-ex81_480.htm","type":"EX-8.1","id":"NTFILE5JWmt1SjtYtkZzTX","market":"us","size":37983},{"description":"EX-12.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021578/umc-ex121_481.htm","primary":false,"translateUrl":null,"linkName":"umc-ex121_481.htm","type":"EX-12.1","id":"NTFILEFzh6veRUp4Uh5KsM","market":"us","size":16399},{"description":"EX-12.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021578/umc-ex122_482.htm","primary":false,"translateUrl":null,"linkName":"umc-ex122_482.htm","type":"EX-12.2","id":"NTFILEADevJxCYXckLjjaL","market":"us","size":15835},{"description":"EX-12.3","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021578/umc-ex123_483.htm","primary":false,"translateUrl":null,"linkName":"umc-ex123_483.htm","type":"EX-12.3","id":"NTFILE8JPkuvvGZhbsv5At","market":"us","size":16341},{"description":"EX-13.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021578/umc-ex131_484.htm","primary":false,"translateUrl":null,"linkName":"umc-ex131_484.htm","type":"EX-13.1","id":"NTFILEBh2Rsa2sJgQsSFbg","market":"us","size":7486},{"description":"EX-13.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021578/umc-ex132_485.htm","primary":false,"translateUrl":null,"linkName":"umc-ex132_485.htm","type":"EX-13.2","id":"NTFILE7a3sAbeoq4KiZemM","market":"us","size":8024},{"description":"EX-13.3","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021578/umc-ex133_486.htm","primary":false,"translateUrl":null,"linkName":"umc-ex133_486.htm","type":"EX-13.3","id":"NTFILE5QPr1tTLYh3hXETL","market":"us","size":7631}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2021-04-29 00:00","pubTimestamp":1619625600,"title_zh":"20-F  - Annual and transition report of foreign private issuers [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12654874","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021021085-UMC","pdf_url":null,"pub_time":1619539200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16]","symbol":"UMC","title":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16]","titleType":"","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021085/0001564590-21-021085-index.htm","us_notice_code":"Form 6-K/E","us_title_en":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021085/umc-ex99_7.htm","primary":true,"translateUrl":null,"linkName":"umc-ex99_7.htm","type":"EX-99","id":"NTFILES9rBEtuy2jHxeqkW","market":"us","size":178868},{"description":"6-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021085/umc-6k_20210428.htm","primary":false,"translateUrl":null,"linkName":"umc-6k_20210428.htm","type":"6-K","id":"NTFILE9bj8Tz42iAUSqpvV","market":"us","size":16964},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021021085/g50b0xh5edfd000001.jpg","primary":false,"translateUrl":null,"linkName":"g50b0xh5edfd000001.jpg","type":"GRAPHIC","id":"NTFILEHzS1dG3h4Jezd7Qn","market":"us","size":2383}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"important event","pubTime":"2021-04-28 00:00","pubTimestamp":1619539200,"title_zh":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11608527","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021002457-UMC","pdf_url":null,"pub_time":1611676800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16]","symbol":"UMC","title":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16]","titleType":"","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021002457/0001564590-21-002457-index.htm","us_notice_code":"Form 6-K/E","us_title_en":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021002457/umc-ex99_44.htm","primary":true,"translateUrl":null,"linkName":"umc-ex99_44.htm","type":"EX-99","id":"NTFILEDXhMPi1saFtDV8Rf","market":"us","size":157149},{"description":"6-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021002457/umc-6k_20210127.htm","primary":false,"translateUrl":null,"linkName":"umc-6k_20210127.htm","type":"6-K","id":"NTFILEBNDGAYhM26LUvMX6","market":"us","size":16855},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459021002457/g0xawycv5h15000001.jpg","primary":false,"translateUrl":null,"linkName":"g0xawycv5h15000001.jpg","type":"GRAPHIC","id":"NTFILEG8SRJUYMaUeLM7sb","market":"us","size":6518}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"important event","pubTime":"2021-01-27 00:00","pubTimestamp":1611676800,"title_zh":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11608529","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520287317-UMC","pdf_url":null,"pub_time":1604592000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"CORRESP [Cover] - Correspondence","symbol":"UMC","title":"CORRESP [Cover] - Correspondence","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520287317/0001193125-20-287317-index.htm","us_notice_code":"Form CORRESP","us_title_en":"CORRESP [Cover] - Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520287317/filename1.htm","primary":true,"translateUrl":null,"linkName":"filename1.htm","type":"CORRESP","id":"NTFILE9ZhPmRYqeMg17rB1","market":"us","size":15408}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2020-11-06 00:00","pubTimestamp":1604592000,"title_zh":"CORRESP [Cover] - Correspondence","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10648399","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020048490-UMC","pdf_url":null,"pub_time":1603900800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16]","symbol":"UMC","title":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16]","titleType":"","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1033767/000156459020048490/0001564590-20-048490-index.htm","us_notice_code":"Form 6-K/E","us_title_en":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459020048490/umc-ex99_6.htm","primary":true,"translateUrl":null,"linkName":"umc-ex99_6.htm","type":"EX-99","id":"NTFILE3NYrGkyQSpuz551F","market":"us","size":60230},{"description":"6-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459020048490/umc-6k_20201029.htm","primary":false,"translateUrl":null,"linkName":"umc-6k_20201029.htm","type":"6-K","id":"NTFILE88SKEJYbQ1U4pcT8","market":"us","size":16663}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"important event","pubTime":"2020-10-29 00:00","pubTimestamp":1603900800,"title_zh":"6-K  - Report of foreign issuer [Rules 13a-16 and 15d-16","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9800949","market":"us","labels":[],"media":"sec.gov","original_id":"AN89542120000400-UMC","pdf_url":null,"pub_time":1591632000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"UMC","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1033767/000089542120000400/0000895421-20-000400-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MS AMENDMENT","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/895421/000089542120000400/UnitedMicroelectronics.txt","primary":true,"translateUrl":null,"linkName":"UnitedMicroelectronics.txt","type":"SC 13G/A","id":"NTFILE2HjPKdzASJuBidAN","market":"us","size":16580}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2020-06-09 00:00","pubTimestamp":1591632000,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9800917","market":"us","labels":[],"media":"sec.gov","original_id":"AN83423720009604-UMC","pdf_url":null,"pub_time":1591632000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"UMC","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1033767/000083423720009604/0000834237-20-009604-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000083423720009604/tw0002303005_060920.txt","primary":true,"translateUrl":null,"linkName":"tw0002303005_060920.txt","type":"SC 13G/A","id":"NTFILE2fbrw1FUkHRdf6R6","market":"us","size":10988}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2020-06-09 00:00","pubTimestamp":1591632000,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9626159","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520121853-UMC","pdf_url":null,"pub_time":1588003200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","symbol":"UMC","title":"Annual and transition report of foreign private issuers [Sections 13 or 15(d)]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/0001193125-20-121853-index.htm","us_notice_code":"Form 20-F","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 20-F","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/d820941d20f.htm","primary":true,"translateUrl":null,"linkName":"d820941d20f.htm","type":"20-F","id":"NTFILEFeNWWJX2NmZ8EKUW","market":"us","size":3164712},{"description":"EX-8.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/d820941dex81.htm","primary":false,"translateUrl":null,"linkName":"d820941dex81.htm","type":"EX-8.1","id":"NTFILEGi3T5QPRyfHwgN1V","market":"us","size":18351},{"description":"EX-12.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/d820941dex121.htm","primary":false,"translateUrl":null,"linkName":"d820941dex121.htm","type":"EX-12.1","id":"NTFILE9Bn9GmiVQyvTbWrf","market":"us","size":10389},{"description":"EX-12.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/d820941dex122.htm","primary":false,"translateUrl":null,"linkName":"d820941dex122.htm","type":"EX-12.2","id":"NTFILE47AKiaKqbZ64oyoS","market":"us","size":10407},{"description":"EX-12.3","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/d820941dex123.htm","primary":false,"translateUrl":null,"linkName":"d820941dex123.htm","type":"EX-12.3","id":"NTFILEGavvxE9rEASzm5Mj","market":"us","size":10340},{"description":"EX-13.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/d820941dex131.htm","primary":false,"translateUrl":null,"linkName":"d820941dex131.htm","type":"EX-13.1","id":"NTFILE7iPWz9tvtr5bwLc5","market":"us","size":4511},{"description":"EX-13.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/d820941dex132.htm","primary":false,"translateUrl":null,"linkName":"d820941dex132.htm","type":"EX-13.2","id":"NTFILE8AYNqD9TK52ZWunz","market":"us","size":4552},{"description":"EX-13.3","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/d820941dex133.htm","primary":false,"translateUrl":null,"linkName":"d820941dex133.htm","type":"EX-13.3","id":"NTFILECmyqSLnHLt7ptbVN","market":"us","size":4518},{"description":"XBRL INSTANCE DOCUMENT","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/umc-20191231.xml","primary":false,"translateUrl":null,"linkName":"umc-20191231.xml","type":"EX-101.INS","id":"NTFILED4GGfrKmKHZQWEdP","market":"us","size":11372849},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/umc-20191231.xsd","primary":false,"translateUrl":null,"linkName":"umc-20191231.xsd","type":"EX-101.SCH","id":"NTFILEAGfo9AVDds9YmYjD","market":"us","size":175444},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/umc-20191231_cal.xml","primary":false,"translateUrl":null,"linkName":"umc-20191231_cal.xml","type":"EX-101.CAL","id":"NTFILE2YgfjRBLuPaS5UMo","market":"us","size":95653},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/umc-20191231_def.xml","primary":false,"translateUrl":null,"linkName":"umc-20191231_def.xml","type":"EX-101.DEF","id":"NTFILEBj1oNxkFur2xrhaq","market":"us","size":646189},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/umc-20191231_lab.xml","primary":false,"translateUrl":null,"linkName":"umc-20191231_lab.xml","type":"EX-101.LAB","id":"NTFILE7vmmQqS72QMokLwL","market":"us","size":1243953},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000119312520121853/umc-20191231_pre.xml","primary":false,"translateUrl":null,"linkName":"umc-20191231_pre.xml","type":"EX-101.PRE","id":"NTFILEtQyEuD7ibbuQBnLr","market":"us","size":988022}],"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":"2020-04-28 00:00","pubTimestamp":1588003200,"title_zh":"Annual and transition report of foreign private issuers [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9223250","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020012661-UMC","pdf_url":null,"pub_time":1585065600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Report of foreign issuer [Rules 13a-16 and 15d-16]","symbol":"UMC","title":"Report of foreign issuer [Rules 13a-16 and 15d-16]","titleType":"Report of foreign issuer","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1033767/000156459020012661/0001564590-20-012661-index.htm","us_notice_code":"Form 6-K","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459020012661/umc-ex99_6.htm","primary":true,"translateUrl":null,"linkName":"umc-ex99_6.htm","type":"EX-99","id":"NTFILE598BmgwXyfRi2chW","market":"us","size":83647},{"description":"6-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459020012661/umc-6k_20200325.htm","primary":false,"translateUrl":null,"linkName":"umc-6k_20200325.htm","type":"6-K","id":"NTFILE7ckQxa3Vcc3UVYRL","market":"us","size":17734}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Report of foreign issuer","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Report of foreign issuer","pubTime":"2020-03-25 00:00","pubTimestamp":1585065600,"title_zh":"Report of foreign issuer [Rules 13a-16 and 15d-16","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9173295","market":"us","labels":[],"media":"sec.gov","original_id":"AN129281420000699-UMC","pdf_url":null,"pub_time":1583769600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Report of foreign issuer [Rules 13a-16 and 15d-16]","symbol":"UMC","title":"Report of foreign issuer [Rules 13a-16 and 15d-16]","titleType":"Report of foreign issuer","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1033767/000129281420000699/0001292814-20-000699-index.htm","us_notice_code":"Form 6-K","us_title_en":null,"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/1033767/000129281420000699/exhibit99_1.htm","primary":true,"translateUrl":null,"linkName":"exhibit99_1.htm","type":"EX-99.1","id":"NTFILE4WUHPJdEkwdHqrSA","market":"us","size":5679276},{"description":"FORM 6-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000129281420000699/umcfs4q19_6k.htm","primary":false,"translateUrl":null,"linkName":"umcfs4q19_6k.htm","type":"6-K","id":"NTFILEDULi5Q54Z3jMKCVq","market":"us","size":7378}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Report of foreign issuer","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Report of foreign issuer","pubTime":"2020-03-10 00:00","pubTimestamp":1583769600,"title_zh":"Report of foreign issuer [Rules 13a-16 and 15d-16","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9133392","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020006548-UMC","pdf_url":null,"pub_time":1582646400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Report of foreign issuer [Rules 13a-16 and 15d-16]","symbol":"UMC","title":"Report of foreign issuer [Rules 13a-16 and 15d-16]","titleType":"Report of foreign issuer","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1033767/000156459020006548/0001564590-20-006548-index.htm","us_notice_code":"Form 6-K","us_title_en":"Report of foreign issuer [Rules 13a-16 and 15d-16]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"6-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459020006548/umc-6k_20200226.htm","primary":true,"translateUrl":null,"linkName":"umc-6k_20200226.htm","type":"6-K","id":"NTFILE7YXtR37sgDjTKFfU","market":"us","size":17740},{"description":"EX-99","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1033767/000156459020006548/umc-ex99_19.htm","primary":false,"translateUrl":null,"linkName":"umc-ex99_19.htm","type":"EX-99","id":"NTFILECTaLPVuKkKh18KQw","market":"us","size":184092}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Report of foreign issuer","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Report of foreign issuer","pubTime":"2020-02-26 00:00","pubTimestamp":1582646400,"title_zh":"Report of foreign issuer [Rules 13a-16 and 15d-16","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9090720","market":"us","labels":[],"media":"sec.gov","original_id":"AN89542120000211-UMC","pdf_url":null,"pub_time":1581523200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Statement of acquisition of beneficial ownership by individuals","symbol":"UMC","title":"Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1033767/000089542120000211/0000895421-20-000211-index.htm","us_notice_code":"Form SC 13G","us_title_en":"Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MS INITIAL","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/895421/000089542120000211/UnitedMicroelectronics.txt","primary":true,"translateUrl":null,"linkName":"UnitedMicroelectronics.txt","type":"SC 13G","id":"NTFILEAQaq9wHX7A7hS1pR","market":"us","size":16246}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2020-02-13 00:00","pubTimestamp":1581523200,"title_zh":"Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":21,"pageCount":1,"totalSize":407,"code":"91000000","status":"200"}]}}