United Microelectronics Corp Files 6-K Report
Ticker: UMC · Form: 6-K · Filed: Sep 4, 2025 · CIK: 1033767
Sentiment: neutral
Topics: foreign-issuer, sec-filing, compliance
TL;DR
UMC filed a 6-K on 09/04/2025, standard foreign issuer report.
AI Summary
United Microelectronics Corporation filed a Form 6-K on September 4, 2025, reporting as a foreign issuer. The filing provides information regarding its principal executive office located at No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. The company is subject to the Securities Exchange Act of 1934 and is filing this report under Rule 13a-16 or 15d-16.
Why It Matters
This filing indicates ongoing reporting compliance for United Microelectronics Corporation, a significant player in the semiconductor industry, ensuring transparency for investors.
Risk Assessment
Risk Level: low — This is a routine foreign issuer report (6-K) and does not contain specific financial or operational disclosures that would typically indicate elevated risk.
Key Players & Entities
- United Microelectronics Corporation (company) — Registrant
- 0001033767-25-000004 (document_id) — Accession Number
- September 4, 2025 (date) — Filing Date
- 3674 (sic_code) — Standard Industrial Classification for Semiconductors & Related Devices
- 001-15128 (sec_file_number) — SEC File Number
FAQ
What type of filing is this Form 6-K?
This Form 6-K is a Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934.
When was this Form 6-K filed?
This Form 6-K was filed on September 4, 2025.
What is the principal executive office address of United Microelectronics Corporation?
The principal executive office is located at No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C.
Does United Microelectronics Corporation file annual reports under Form 20-F or Form 40-F?
United Microelectronics Corporation indicates it files annual reports under Form 20-F.
What is the SIC code for United Microelectronics Corporation?
The Standard Industrial Classification code for United Microelectronics Corporation is 3674, which corresponds to Semiconductors & Related Devices.
Filing Stats: 191 words · 1 min read · ~1 pages · Grade level 11.4 · Accepted 2025-09-04 06:34:49
Filing Documents
- 6k_on_09042025.htm (6-K) — 25KB
- umc-ex99_1.htm (EX-99.1) — 42KB
- img208044986_0.jpg (GRAPHIC) — 6KB
- 0001033767-25-000004.txt ( ) — 78KB
SIGNATURES
SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized. United Microelectronics Corporation By: Chitung Liu Name: Chitung Liu Title: CFO Date: September 4, 2025 2 EXHIBIT INDEX Exhibit Description 99.1 6K on 09/04/2025 3