[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_95":96},"routes/item",{"_9":10},"item",{"_11":12,"_13":14,"_15":16,"_17":18,"_19":20,"_21":-5,"_22":23,"_24":25,"_26":27,"_28":29,"_30":29,"_31":32,"_33":34,"_35":36,"_37":38,"_39":40,"_41":42,"_43":44,"_45":-5,"_46":47,"_48":-5,"_49":-5,"_50":51,"_52":53,"_54":55,"_56":57,"_58":57,"_59":60,"_61":40,"_62":63},"id","hdccybrin2768112ssu32c1ae","revision",2,"title","联华电子提交 Form 6-K 外国发行人报告","originalTitle","6-K - UNITED MICROELECTRONICS CORP (0001033767) (Filer)","summary","联华电子于10月23日向美国证券交易委员会提交 Form 6-K 外国发行人报告，由首席财务官 Chitung Liu 代表公司签署。文件列出一项附件，名称为“6K on 10/23/2026”。","reason","source",{"_11":85,"_86":87,"_88":89,"_90":57,"_91":92,"_93":94},"links",{"_82":83,"_63":84},"publishedAt","2026-10-23T10:00:47.000Z","discoveredAt","2026-10-23T10:58:47.334Z","timelineAt","category","ai-products","tags",[81],"stockSymbols",[80],"score",12,"selected",false,"channel","news","story",{"_72":73,"_15":74},"x","readingMode","full","author","language","body",{"_76":-5,"_63":77,"_78":-5,"_79":40},"outline",[],"relatedStories",[75],"indexable",true,"markdownAvailable","group",{"_64":65,"_43":66,"_67":68,"_69":70,"_71":70},"hasTranslation","bodyLanguage","original","factId","fOrxEduc8dJI",{"_72":73,"_15":74},"reportCount",1,"additionalSourceCount",0,"developmentCount","publicId","a0138adb-92c2-4ac2-b28d-1ebf46c156c3","联华电子向SEC提交Form 6-K报告",{"_72":73,"_15":74},"zh","

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

October 23, 2026

(Commission File Number: 001-15128)

United Microelectronics Corporation

(Translation of registrant’s name into English)

No. 3 Li-Hsin 2nd Road,

Hsinchu Science Park,

Hsinchu, Taiwan, R.O.C.

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F  Form 40-F 

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (1): 

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (7): 

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized.

\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n


United Microelectronics Corporation


By:	Chitung Liu
Name:	Chitung Liu
Title:	CFO

Date: October 23, 2026

EXHIBIT INDEX

\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n


Exhibit		Description
99		6K on 10/23/2026

","zhKind","complete","UMC","公司与财报","aihot","/items/hdccybrin2768112ssu32c1ae","https://www.sec.gov/Archives/edgar/data/1033767/000119312526429369/0001193125-26-429369-index.htm","rss-sec-xbrl","name","SEC · EDGAR 财务披露","kind","rss","firstParty","iconUrl","/api/img-proxy?u=https%3A%2F%2Fwww.sec.gov%2Fthemes%2Fcustom%2Fuswds_sec%2Fassets%2Fimg%2Ffavicons%2Fapple-touch-icon.png&mode=avatar&exp=1792972800&sig=9d173b888aad17ec","iconSrcSet","/api/img-proxy?u=https%3A%2F%2Fwww.sec.gov%2Fthemes%2Fcustom%2Fuswds_sec%2Fassets%2Fimg%2Ffavicons%2Fapple-touch-icon.png&mode=avatar-48&exp=1792972800&sig=997f44534d647b46 48w, /api/img-proxy?u=https%3A%2F%2Fwww.sec.gov%2Fthemes%2Fcustom%2Fuswds_sec%2Fassets%2Fimg%2Ffavicons%2Fapple-touch-icon.png&mode=avatar-96&exp=1792972800&sig=923979fb4a1845f5 96w","changelogVersion","2026-10-01T08:00"]