United Microelectronics Corp Files 6-K Report
Ticker: UMC · Form: 6-K · Filed: Dec 10, 2025 · CIK: 1033767
Sentiment: neutral
Topics: sec-filing, foreign-issuer, compliance
TL;DR
UMC filed a routine 6-K, just keeping the SEC updated.
AI Summary
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 incorporated in Taiwan and its principal executive office is located in Hsinchu Science Park, Hsinchu, Taiwan.
Why It Matters
This filing indicates ongoing reporting compliance for United Microelectronics Corp, a significant player in the semiconductor industry, ensuring transparency for investors.
Risk Assessment
Risk Level: low — This filing is a standard foreign issuer report and does not contain specific financial or operational disclosures that would indicate elevated risk.
Key Players & Entities
- United Microelectronics Corporation (company) — Registrant
- 001-15128 (company) — SEC File Number
- December 10, 2025 (date) — Filing Date
FAQ
What type of filing is this for United Microelectronics Corporation?
This is a Form 6-K report of a foreign issuer.
When was this Form 6-K filed?
The filing was made on December 10, 2025.
Where is United Microelectronics Corporation's principal executive office located?
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?
The registrant indicates it files annual reports under Form 20-F.
What is the SIC code for United Microelectronics Corporation?
The Standard Industrial Classification code is 3674, Semiconductors & Related Devices.
Filing Stats: 191 words · 1 min read · ~1 pages · Grade level 12.3 · Accepted 2025-12-10 06:04:10
Filing Documents
- 6k_on_12102025.htm (6-K) — 25KB
- umc-ex99.htm (EX-99) — 23KB
- img239034952_0.jpg (GRAPHIC) — 6KB
- 0001193125-25-313406.txt ( ) — 59KB
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: December 10, 2025 2 EXHIBIT INDEX Exhibit Description 99 6K on 12/10/2025 3