NYSE:UMC | News — Page 5 | UNITED MICROELECTRONICS CORP

UMC News — Page 5

Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.

DateTypePublisherHeadlineSummary
2011-04-29Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2011-04-26Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2011-03-28Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2011-03-16Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2011-02-25Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2011-01-25Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-12-27Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-11-26Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-11-18Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-11-18Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-10-25Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-09-27Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-09-24Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-08-25Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-08-25Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-07-23Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-06-22Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-05-24Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-04-30Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-04-20Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-03-19Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-03-04Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-02-23Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2010-01-29Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-12-21Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-12-15Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-11-30Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-11-19Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-11-06Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-10-28Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-10-26Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-10-14Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-09-18Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-09-08Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-08-21Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-07-28Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-06-19Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-06-10Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-05-22Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-05-08Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-05-04Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-04-29Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-04-20Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-03-31Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-03-30Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-03-25Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-02-23Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-01-21Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2009-01-08Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-12-18Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-12-09Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-11-21Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-10-17Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-09-30Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-09-23Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-09-17Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-09-17Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-08-27Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-08-27Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-08-18Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-07-17Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-07-16Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-06-19Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-06-06Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-06-04Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-05-20Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-04-24Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-04-21Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-03-26Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-03-19Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-03-17Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-02-21Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2008-01-17Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-12-18Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-11-20Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-11-16Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-09-19Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-09-17Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-08-23Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-08-20Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-07-17Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-06-25Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-06-18Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-06-11Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-05-18Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-04-30Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-04-16Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-03-23Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-03-16Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-02-16Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-01-23Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2007-01-16Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2006-12-20Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2006-11-15Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2006-10-17Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2006-09-15Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2006-08-16Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2006-07-21Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2006-07-14Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.
2006-06-13Foreign issuer reportSEC filingUNITED MICROELECTRONICS CORP filed Form 6-KUNITED MICROELECTRONICS CORP filed Form 6-K.