United Microelectronics Corporation

UMC·NYSE·$21.08Share Price as of 11/2·$53BMarket Cap as of 11/2

Financials

20-FAnnual report (foreign)04/30/26 20-FAnnual report (foreign)04/24/25 20-FAnnual report (foreign)04/25/24 20-FAnnual report (foreign)04/27/23 20-FAnnual report (foreign)04/28/22

Disclosures

6-KForeign issuer report10/28/26 6-KForeign issuer report10/28/26 6-KForeign issuer report10/23/26 6-KForeign issuer report10/13/26 6-KForeign issuer report10/06/26

Prospectuses and Registrations

S-8Registration of securities for employees12/26/24 S-8Registration of securities for employees12/28/22 F-6 POSProspectus / registration08/01/22 F-6 POSProspectus / registration04/12/17 F-6EFProspectus / registration03/22/11

Proxies

No matching filings.

Ownership

Form 4Insider transaction09/22/26 Form 3Initial insider ownership09/18/26 Form 4Insider transaction09/17/26 Form 4Insider transaction09/08/26 Form 4Insider transaction07/13/26

Other

SDConflict Minerals disclosure05/29/26 SDConflict Minerals disclosure05/29/25 SDConflict Minerals disclosure05/31/24 SDConflict Minerals disclosure05/31/23 SDConflict Minerals disclosure05/27/22