UMCUnited Microelectronics Corp. ADR
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United Microelectronics Corp. ADR is a Taiwan-based semiconductor foundry that provides wafer fabrication and related manufacturing services to a global customer base. United Microelectronics Corp. ADR supports major electronics sectors by producing integrated circuits used in communication devices, consumer electronics, computing, automotive, industrial, and wireless applications. Its service portfolio includes logic and specialty process technologies, mixed-signal and radio-frequency solutions, embedded memory products, high-voltage integrated circuits, and image sensor components. The company also offers supporting services such as circuit design, mask tooling, assembly, testing, and backend manufacturing support. As a pure-play foundry, United Microelectronics Corp. ADR plays an important role in the semiconductor supply chain by helping fabless chip designers and integrated device manufacturers bring products to market across a wide range of performance and reliability requirements.
Valuation
Profitability
Balance sheet
Trading
| Ex-date | Amount / share | Status |
|---|---|---|
| Jul 8, 2026 | $0.412 USD | Paid |
| Jun 24, 2025 | $0.483 USD | Paid |
| Jul 2, 2024 | $0.4635 USD | Paid |
| Jun 26, 2023 | $0.586 USD | Paid |
| Jun 21, 2022 | $0.517 USD | Paid |
| Jul 21, 2021 | $0.2866 USD | Paid |
| Jul 14, 2020 | $0.1365 USD | Paid |
| Jul 15, 2019 | $0.0938 USD | Paid |
| Jul 9, 2018 | $0.1162 USD | Paid |
| Jul 11, 2017 | $0.0576 USD | Paid |
| Jul 12, 2016 | $0.0631 USD | Paid |
| Jul 14, 2015 | $0.0593 USD | Paid |
| Jul 7, 2014 | $0.0012 USD | Paid |
| Jul 8, 2013 | $0.0474 USD | Paid |
| Jul 9, 2012 | $0.0584 USD | Paid |
| Jul 22, 2011 | $0.1433 USD | Paid |
| Jul 8, 2010 | $0.0546 USD | Paid |
| Aug 8, 2008 | $0.0715 USD | Paid |
| Jul 10, 2007 | $0.0895 USD | Paid |
| Aug 2, 2006 | $0.0661 USD | Paid |
| Aug 2, 2005 | $0.0172 USD | Paid |
| Date | Type | Details |
|---|---|---|
| Aug 8, 2008 | Stock split | 1045-for-10001 share → 1045 shares |
| Oct 9, 2007 | Reverse split | 69716-for-100000100000 shares → 1 share |
| Jul 13, 2004 | Stock split | 108-for-1001 share → 108 shares |
| Jul 15, 2003 | Stock split | 10401-for-100001 share → 10401 shares |
| Jul 13, 2001 | Stock split | 115-for-1001 share → 115 shares |
Splits, mergers and other corporate actions appear here. How each issuer reflects them on-chain varies by product.










