United Microelectronics CORP (UMC) — 6-K Filings

All 6-K filings from United Microelectronics CORP. Browse 49 Foreign Current Report reports with AI-powered summaries and risk analysis.

6-K Filings (49)

UMC Files 6-K Report — Apr 21, 2026 Risk: low
United Microelectronics Corp. filed a Form 6-K on April 21, 2026, reporting information as a foreign issuer. The filing includes documents such as the 6-K repor
6-K Filing — Apr 15, 2026
UMC Files 6-K Report — Apr 8, 2026 Risk: low
United Microelectronics Corp. filed a Form 6-K on April 8, 2026, reporting information as a foreign issuer. The filing includes documents such as the 6-K itself
UMC Files Routine 6-K; No New Material Info Disclosed — Mar 26, 2026
UNITED MICROELECTRONICS CORP (UMC) filed a 6-K on March 26, 2026, indicating a routine report for foreign issuers. This filing, with accession number 0001193125
6-K Filing — Dec 30, 2025
6-K Filing — Dec 17, 2025
United Microelectronics Corp Files 6-K Report — Dec 10, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on December 10, 2025. The filing is a report of a foreign issuer pursuant to SEC rules. The company is inco
UMC Files 6-K Report with SEC — Dec 4, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on December 4, 2025, to report information as a foreign issuer. The filing indicates the company is subject
UMC Files 6-K Report — Nov 28, 2025 Risk: low
United Microelectronics Corporation (UMC) filed a Form 6-K on November 28, 2025. The filing is a report of a foreign issuer pursuant to Rule 13a-16 or 15d-16 of
6-K Filing — Nov 20, 2025
UMC Files 6-K Report with SEC — Nov 12, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on November 12, 2025, reporting as a foreign issuer. The filing provides standard corporate information and
United Microelectronics Corp Files 6-K Report — Nov 6, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on November 6, 2025, reporting as a foreign issuer. The filing indicates the company is submitting its repo
UMC Files 6-K Report, Confirms 20-F Filing — Oct 29, 2025 Risk: low
United Microelectronics Corporation (UMC) filed a Form 6-K on October 29, 2025. The filing is a report of a foreign issuer and indicates that UMC files its annu
UMC Files 6-K Report — Oct 28, 2025 Risk: low
United Microelectronics Corporation (UMC) filed a Form 6-K on October 28, 2025. The filing is a report of a foreign issuer pursuant to Rule 13a-16 or 15d-16 of
UMC Files 6-K Report with SEC — Oct 27, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on October 27, 2025, reporting as a foreign issuer. The filing indicates the company is submitting its repo
UMC Files 6-K Report with SEC — Oct 21, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on October 21, 2025, reporting as a foreign issuer. The filing indicates the company is submitting its repo
UMC Files 6-K Report with SEC — Oct 15, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on October 15, 2025. This report is filed pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act
United Microelectronics Corp Files Routine 6-K — Oct 7, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on October 7, 2025, reporting as a foreign issuer. The filing does not contain specific financial figures o
United Microelectronics Corp Files 6-K — Sep 22, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on September 22, 2025, reporting as a foreign issuer. The filing indicates the company is submitting its an
United Microelectronics Corp Files 6-K Report — Sep 10, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on September 10, 2025. This report is for a foreign issuer and is filed pursuant to Rule 13a-16 or 15d-16 o
United Microelectronics Corp Files 6-K Report — Sep 4, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on September 4, 2025, reporting as a foreign issuer. The filing provides information regarding its principa
United Microelectronics Corp Files 6-K Report — Aug 13, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on August 13, 2025. The filing is a report of a foreign issuer and indicates that the company files annual
United Microelectronics Corp. Files 6-K Report — Aug 12, 2025 Risk: low
United Microelectronics Corporation (UMC) filed a Form 6-K on August 12, 2025. The filing is a report of a foreign issuer pursuant to SEC rules. UMC is incorpor
United Microelectronics Corp Files 6-K Report — Aug 6, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on August 6, 2025, reporting as a foreign issuer. The filing indicates the company is submitting its report
United Microelectronics Corp Files Routine 6-K — Jul 30, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on July 30, 2025, to report information as a foreign issuer. The filing does not contain specific financial
United Microelectronics Corp Files Routine 6-K — Jul 28, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on July 28, 2025, reporting as a foreign issuer. The filing does not contain specific financial figures or
UMC Files 6-K Report — Jul 22, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on July 22, 2025. This report is for a foreign issuer and is filed pursuant to Rule 13a-16 or 15d-16 of the
UMC Files 6-K Report with SEC — Jul 10, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on July 10, 2025, reporting as a foreign issuer. The filing indicates the company is based in Taiwan and op
United Microelectronics Corp Files 6-K Report — Jul 7, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on July 7, 2025, reporting as a foreign issuer. The filing indicates the company is submitting its report u
United Microelectronics Corp Files 6-K — Jun 30, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on June 30, 2025, reporting as a foreign issuer. The filing confirms they will file annual reports under Fo
United Microelectronics Corp Files 6-K Report — Jun 20, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on June 20, 2025, reporting its status as a foreign issuer. The filing confirms the company's principal exe
United Microelectronics Corp Files 6-K — Jun 10, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on June 10, 2025, reporting as a foreign issuer. The filing indicates the company is subject to the 1934 Ac
United Microelectronics Corp Files 6-K Report — Jun 5, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on June 5, 2025. The filing is a report of a foreign issuer pursuant to Rule 13a-16 or 15d-16 of the Securi
UMC Files 6-K Report with SEC — Jun 4, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on June 4, 2025, reporting as a foreign issuer. The filing indicates the company is submitting its report u
UMC Files 6-K Report — May 28, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on May 28, 2025, to report information as a foreign issuer. The filing indicates the company is based in Ta
UMC Files 6-K with SEC — May 15, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on May 15, 2025, reporting its status as a foreign issuer. The filing confirms its principal executive offi
UMC Files 6-K Report — May 8, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on May 8, 2025, reporting as a foreign issuer. The filing provides standard corporate information, includin
United Microelectronics Corp Files 6-K Report — Apr 24, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on April 24, 2025. This report is for a foreign issuer and is filed pursuant to Rule 13a-16 or 15d-16 of th
United Microelectronics Corp Files 6-K Report — Apr 23, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on April 23, 2025, reporting as a foreign issuer. The filing indicates the company is submitting its report
United Microelectronics Corp Files 6-K Report — Apr 10, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on April 10, 2025, reporting as a foreign issuer. The filing indicates the company is subject to the 1934 S
United Microelectronics Corp Files 6-K — Apr 1, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on April 1, 2025, reporting as a foreign issuer. The filing indicates the company is submitting its report
UMC Files 6-K for FY 2024 Results — Mar 20, 2025 Risk: low
United Microelectronics Corporation (UMC) filed a Form 6-K on March 20, 2025, reporting its financial results for the fiscal year ended December 31, 2024. The f
United Microelectronics Corp Files 6-K — Mar 11, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on March 11, 2025, reporting as a foreign issuer. The filing indicates the company is submitting its report
United Microelectronics Corp Files Routine 6-K — Feb 26, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on February 26, 2025, reporting as a foreign issuer. The filing does not contain specific financial figures
United Microelectronics Corp Files 6-K — Feb 11, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on February 11, 2025, reporting information as a foreign issuer. The filing provides standard corporate inf
United Microelectronics Corp Files 6-K Report — Jan 21, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on January 21, 2025, reporting as a foreign issuer. The filing indicates the company's principal executive
United Microelectronics Corp Files 6-K — Jan 13, 2025 Risk: low
United Microelectronics Corporation filed a Form 6-K on January 13, 2025, reporting information as of January 10, 2025. The filing is for a foreign issuer and i
United Microelectronics Corp Files 6-K — Dec 27, 2024 Risk: low
United Microelectronics Corporation filed a Form 6-K on December 27, 2024. This report is for a foreign issuer and is filed pursuant to Rule 13a-16 or 15d-16 of
UMC Files 6-K, Confirms 20-F Reporting — Dec 18, 2024 Risk: low
United Microelectronics Corporation filed a Form 6-K on December 18, 2024, reporting its status as a foreign issuer. The filing indicates the company is subject

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