UMC Files 6-K Report with SEC
Ticker: UMC · Form: 6-K · Filed: Oct 21, 2025 · CIK: 1033767
Sentiment: neutral
Topics: sec-filing, foreign-issuer, regulatory-update
TL;DR
UMC filed a 6-K, confirming 20-F annual reports and its Taiwan HQ.
AI Summary
United Microelectronics Corporation filed a Form 6-K on October 21, 2025, reporting as a foreign issuer. The filing indicates the company is submitting its report under the 1934 Act and will file its annual reports under Form 20-F. The principal executive office is located in Hsinchu, Taiwan.
Why It Matters
This filing provides an update on United Microelectronics Corporation's regulatory reporting status with the SEC, which is important for investors tracking the company's compliance and disclosures.
Risk Assessment
Risk Level: low — This is a routine administrative filing and does not contain new financial or operational information that would typically increase risk.
Key Players & Entities
- United Microelectronics Corporation (company) — Registrant
- 001-15128 (company) — SEC File Number
- October 21, 2025 (date) — Filing Date
- Form 20-F (document) — Annual Report Form
- Form 6-K (document) — Report Type
FAQ
What is the purpose of this Form 6-K filing?
This 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, providing an update on the company's reporting status.
Which annual report form does United Microelectronics Corporation file?
United Microelectronics Corporation files its annual reports under cover of Form 20-F.
Where is the principal executive office of United Microelectronics Corporation located?
The 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.
On what date was this Form 6-K filed?
This Form 6-K was filed on October 21, 2025.
Filing Stats: 191 words · 1 min read · ~1 pages · Grade level 12.3 · Accepted 2025-10-21 06:33:48
Filing Documents
- 6k_on_10212025.htm (6-K) — 25KB
- umc-ex99.htm (EX-99) — 16KB
- img239034952_0.jpg (GRAPHIC) — 6KB
- 0001193125-25-244241.txt ( ) — 52KB
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 21, 2025 2 EXHIBIT INDEX Exhibit Description 99 6K on 10/21/2025 3