
UNITED MICROELECTRONICS CORP — Investor Relations & Filings
United Microelectronics Corporation (UMC) is a global semiconductor foundry that provides integrated circuit (IC) fabrication services. The company offers a comprehensive portfolio of logic and specialty process technologies, including radio frequency (RF), embedded high-voltage (eHV), Bipolar-CMOS-DMOS (BCD), and embedded non-volatile memory (eNVM). UMC's foundry solutions cater to a wide range of applications across high-growth sectors such as mobile and wireless communications, computing and data processing, the Internet of Things (IoT), wearables, automotive, and consumer electronics. The company's services encompass circuit design support, mask tooling, wafer fabrication, and testing, enabling fabless design companies and integrated device manufacturers to bring their products to market.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 6-K | 2026-05-27 | English | |
| 6-K | 2026-05-22 | English | |
| 6-K | 2026-05-20 | English | |
| 6-K | 2026-05-15 | English | |
| 6-K - UNITED MICROELECTRONICS CORP (0001033767) (Filer) | 2026-05-13 | English | |
| 6-K - UNITED MICROELECTRONICS CORP (0001033767) (Filer) | 2026-05-12 | English |
Browse filings by year
29 years- 2026 20 filings
- 2025 47 filings
- 2024 34 filings
- 2023 25 filings
- 2022 30 filings
- 2021 28 filings
- 2020 34 filings
- 2019 30 filings
- 2018 31 filings
- 2017 28 filings
- 2016 24 filings
- 2015 26 filings
- 2014 27 filings
- 2013 21 filings
- 2012 22 filings
- 2011 24 filings
- 2010 23 filings
- 2009 31 filings
- 2008 25 filings
- 2007 22 filings
- 2006 24 filings
- 2005 27 filings
- 2004 14 filings
- 2003 21 filings
- 2002 19 filings
- 2001 6 filings
- 2000 1 filing
- 1999 1 filing
- 1997 3 filings
Market data
Market data not available
Price history
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UNITED MICROELECTRONICS CORP via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/30356/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30356 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=30356 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30356 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 30356}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for UNITED MICROELECTRONICS CORP (id: 30356)"
Report missing filing
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