United Microelectronics Corp Files 6-K
Ticker: UMC · Form: 6-K · Filed: Sep 22, 2025 · CIK: 1033767
Sentiment: neutral
Topics: foreign-issuer, sec-filing, regulatory-update
Related Tickers: UMC
TL;DR
UMC filed a 6-K on 9/22/25, standard foreign issuer report, no paper filing.
AI Summary
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 annual report under Form 20-F and is not submitting the Form 6-K in paper format. The principal executive office is located in Hsinchu, Taiwan.
Why It Matters
This filing is a routine report for foreign issuers, providing an update on their regulatory compliance and reporting status with the SEC.
Risk Assessment
Risk Level: low — This is a routine administrative filing by a foreign issuer and does not contain new financial or operational information.
Key Players & Entities
- United Microelectronics Corporation (company) — Filer
- September 22, 2025 (date) — Filing Date
- Form 6-K (document) — Filing Type
- Form 20-F (document) — Annual Report Form
- Hsinchu, Taiwan (location) — Principal Executive Office
FAQ
What is the purpose of a Form 6-K filing?
A Form 6-K is a report of foreign private issuers required to be filed with the SEC pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934, typically to provide information that the issuer makes or is required to make public in its home country.
Which annual report form does United Microelectronics Corporation file?
United Microelectronics Corporation files its annual reports under cover of Form 20-F.
Is United Microelectronics Corporation submitting this Form 6-K in paper format?
No, the filing indicates that the registrant is not submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (1) or (b) (7).
Where is United Microelectronics Corporation's principal executive office located?
The principal executive office of United Microelectronics Corporation is located at No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C.
What is the filing date of this Form 6-K?
This Form 6-K was filed on September 22, 2025.
Filing Stats: 191 words · 1 min read · ~1 pages · Grade level 11.4 · Accepted 2025-09-22 06:23:35
Filing Documents
- 6k_on_09222025.htm (6-K) — 25KB
- umc-ex99_1.htm (EX-99.1) — 22KB
- img208044986_0.jpg (GRAPHIC) — 6KB
- 0001193125-25-209921.txt ( ) — 57KB
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 22, 2025 2 EXHIBIT INDEX Exhibit Description 99.1 6K on 09/22/2025 3