Upgrade to SI Premium - Free Trial

United Microelectronics (UMC)

21.61 -0.29 (1.32%)

Chart
Today 6M 1Y 5Y

Upcoming Events

- Earnings (10/28/26)

Latest Headlines

Form 4 UNITED MICROELECTRONICS For: Sep 07 Filed by: Liu Chitung September 8, 2026 6:02 AM - SEC Filing Form 6-K UNITED MICROELECTRONICS For: Sep 04 September 4, 2026 6:07 AM - SEC Filing UMC Reports Sales for August 2026 September 4, 2026 2:30 AM - BizWire Form 6-K UNITED MICROELECTRONICS For: Sep 02 September 2, 2026 6:05 AM - SEC Filing Form 6-K UNITED MICROELECTRONICS For: Aug 26 August 26, 2026 6:20 AM - SEC Filing Form 6-K UNITED MICROELECTRONICS For: Aug 14 August 14, 2026 6:14 AM - SEC Filing Arete Upgrades United Microelectronics (UMC) to Buy August 10, 2026 5:49 AM - StreetInsider Tradr Announces Upcoming Leveraged ETFs on MRAM, SITM & UMC August 6, 2026 12:58 PM - PR NewsWire Form 6-K UNITED MICROELECTRONICS For: Aug 06 August 6, 2026 6:08 AM - SEC Filing UMC posts 18.98% rise in July 2026 net sales year over year August 6, 2026 6:00 AM - StreetInsider UMC Reports Sales for July 2026 August 6, 2026 3:00 AM - BizWire Form 6-K UNITED MICROELECTRONICS For: Aug 05 August 5, 2026 6:05 AM - SEC Filing United Microelectronics Corp (2303:TT) (UMC) PT Raised to TWD140 at Nomura/Instinet July 30, 2026 7:48 AM - StreetInsider Form 6-K UNITED MICROELECTRONICS For: Jul 30 July 30, 2026 6:05 AM - SEC Filing United Microelectronics Corp (2303:TT) (UMC) PT Lowered to TWD212 at HSBC July 30, 2026 3:29 AM - StreetInsider United Microelectronics (UMC) Misses Q2 EPS by 5c July 29, 2026 7:13 AM - StreetInsider UMC Reports Second Quarter 2026 Results July 29, 2026 7:10 AM - BizWire Form 6-K UNITED MICROELECTRONICS For: Jul 29 July 29, 2026 6:15 AM - SEC Filing Form 6-K UNITED MICROELECTRONICS For: Jul 29 July 29, 2026 6:13 AM - SEC Filing UMC Announces Fab Expansion in Singapore and Construction of New Fab in Tainan to Meet Accelerating AI Demand July 29, 2026 4:30 AM - BizWire United Microelectronics (UMC) PT Raised to $13.60 at Bernstein SocGen Group July 28, 2026 7:44 AM - StreetInsider United Microelectronics Corp (2303:TT) (UMC) PT Raised to TWD88 at Bernstein SocGen Group July 28, 2026 7:44 AM - StreetInsider Mizuho Upgrades United Microelectronics Corp (2303:TT) (UMC) to Outperform July 21, 2026 6:14 AM - StreetInsider Form 6-K UNITED MICROELECTRONICS For: Jul 21 July 21, 2026 6:04 AM - SEC Filing Form 6-K UNITED MICROELECTRONICS For: Jul 15 July 15, 2026 6:20 AM - SEC Filing Macquarie Starts United Microelectronics Corp (2303:TT) (UMC) at Outperform July 15, 2026 2:15 AM - StreetInsider Form 6-K UNITED MICROELECTRONICS For: Jul 14 July 14, 2026 6:15 AM - SEC Filing SILITH and UMC Achieve Mass Production Milestone for Silicon Photonics July 13, 2026 9:45 PM - BizWire Form 4 UNITED MICROELECTRONICS For: Jul 13 Filed by: Liu Chitung July 13, 2026 6:05 AM - SEC Filing Bernstein SocGen on United Microelectronics (UMC): 'The Stock is Overvalued; Maintain Underperform' July 7, 2026 7:30 AM - StreetInsider Form 6-K UNITED MICROELECTRONICS For: Jul 06 July 6, 2026 6:04 AM - SEC Filing UMC net sales rise 22.85% in June 2026 year over year July 6, 2026 3:12 AM - StreetInsider UMC Reports Sales for June 2026 July 6, 2026 3:00 AM - BizWire Form 4 UNITED MICROELECTRONICS For: Jun 30 Filed by: HU CHE-JEN June 30, 2026 9:49 PM - SEC Filing Form 6-K UNITED MICROELECTRONICS For: Jun 29 June 29, 2026 6:04 AM - SEC Filing United Microelectronics Corp (2303:TT) (UMC) PT Raised to NT$140 at JPMorgan June 24, 2026 7:38 AM - StreetInsider Form 6-K UNITED MICROELECTRONICS For: Jun 23 June 23, 2026 6:04 AM - SEC Filing Form 6-K UNITED MICROELECTRONICS For: Jun 22 June 22, 2026 6:03 AM - SEC Filing Form 6-K UNITED MICROELECTRONICS For: Jun 18 June 18, 2026 6:04 AM - SEC Filing Full Article List