UMC Files 6-K Report
Ticker: UMC · Form: 6-K · Filed: Oct 28, 2025 · CIK: 1033767
Sentiment: neutral
Topics: foreign-issuer, sec-filing, routine-report
TL;DR
UMC filed a 6-K, standard foreign issuer report. Nothing new here.
AI Summary
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 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 updated information 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 new financial information or material events.
Key Players & Entities
- United Microelectronics Corporation (company) — Registrant
- 001-15128 (company) — SEC File Number
- October 28, 2025 (date) — Filing Date
FAQ
What is the purpose of a Form 6-K filing?
A Form 6-K is a report of foreign issuers required to be filed pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934, typically used to provide information that the issuer makes public in its home country.
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.
What is the SEC file number for United Microelectronics Corporation?
The SEC file number for United Microelectronics Corporation is 001-15128.
Does United Microelectronics Corporation file its annual reports under Form 20-F or Form 40-F?
United Microelectronics Corporation indicates it files its annual reports under Form 20-F.
What is the SIC code for United Microelectronics Corporation?
The Standard Industrial Classification (SIC) 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 2025-10-28 06:01:24
Filing Documents
- 6k_on_10282025.htm (6-K) — 25KB
- umc-ex99_1.htm (EX-99.1) — 7KB
- img208044986_0.jpg (GRAPHIC) — 6KB
- 0001193125-25-252138.txt ( ) — 42KB
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: October 28, 2025 2 EXHIBIT INDEX Exhibit Description 99.1 6K on 10/28/2025 3