What does UNITED MICROELECTRONICS CORP do?

UNITED MICROELECTRONICS CORP is a public company in the Semiconductors & Related Devices industry, incorporated in F5. It is registered with the SEC under CIK 0001033767 and trades on NYSE under the ticker UMC.

How many SEC filings has UNITED MICROELECTRONICS CORP made?

UNITED MICROELECTRONICS CORP has filed 670 documents with the SEC since 1997. These include annual reports (10-K), quarterly reports (10-Q), current event notices (8-K), and insider transaction disclosures (Form 4).

UNITED MICROELECTRONICS CORP

UMC NYSE CIK: 0001033767 Semiconductors & Related Devices Inc. in F5

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Overview All Filings Financials Insiders

Recent Filings

All 670 filings →

Form	Description	Date
6-K	6-K	Mar 26, 2026
3	3	Mar 18, 2026
3	3	Mar 18, 2026
3	3	Mar 18, 2026
3	3	Mar 18, 2026
3	3	Mar 18, 2026
3	3	Mar 18, 2026
3	3	Mar 18, 2026
3	3	Mar 18, 2026
3	3	Mar 18, 2026

Insider Transactions

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About This Profile

This page aggregates all publicly available SEC EDGAR data for UNITED MICROELECTRONICS CORP. Financial figures are sourced from XBRL-tagged 10-K annual reports. Insider transactions are sourced from Form 4 filings required within two business days of a transaction.

Key Financials

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Details

CIK: 0001033767
Ticker: UMC
Exchange: NYSE
Incorporated: F5
First Filing: 1997
Total Filings: 670