UMC Files 6-K Report
Ticker: UMC · Form: 6-K · Filed: Nov 28, 2025 · CIK: 1033767
Sentiment: neutral
Topics: foreign-issuer, sec-filing, regulatory-update
TL;DR
UMC filed a 6-K, standard foreign issuer report.
AI Summary
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 the Securities Exchange Act of 1934. UMC is incorporated in Taiwan and its principal executive office is located in Hsinchu Science Park, Hsinchu, Taiwan.
Why It Matters
This filing indicates that United Microelectronics Corporation is providing an update or report to the SEC as a foreign issuer, which is standard practice for companies listed on US exchanges.
Risk Assessment
Risk Level: low — This is a routine filing by a foreign issuer and does not contain specific financial results or material events that would typically indicate higher risk.
Key Players & Entities
- United Microelectronics Corporation (company) — Registrant
- 001-15128 (company) — SEC File Number
- November 28, 2025 (date) — Filing Date
- Taiwan (location) — Country of Incorporation and Principal Executive Office
FAQ
What is the purpose of a Form 6-K filing?
A Form 6-K is a report of a foreign issuer pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934, used to provide information that the issuer makes public in its home country or is required to disclose by foreign law.
What is the filing date of this Form 6-K?
The filing date of this Form 6-K is November 28, 2025.
Where is United Microelectronics Corporation's principal executive office located?
United Microelectronics Corporation's 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 SEC file number for United Microelectronics Corporation?
The SEC file number for United Microelectronics Corporation is 001-15128.
Filing Stats: 191 words · 1 min read · ~1 pages · Grade level 12.3 · Accepted 2025-11-28 06:33:32
Filing Documents
- 6k_on_11282025.htm (6-K) — 25KB
- umc-ex99.htm (EX-99) — 18KB
- img239034952_0.jpg (GRAPHIC) — 6KB
- 0001193125-25-301178.txt ( ) — 53KB
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: November 28, 2025 2 EXHIBIT INDEX Exhibit Description 99 6K on 11/28/2025 3