UMC Files 6-K Report with SEC

Ticker: UMC · Form: 6-K · Filed: Nov 12, 2025 · CIK: 1033767

Sentiment: neutral

Topics: sec-filing, foreign-issuer, regulatory

TL;DR

UMC filed its standard 6-K, nothing major, just keeping the SEC updated.

AI Summary

United Microelectronics Corporation filed a Form 6-K on November 12, 2025, reporting as a foreign issuer. The filing provides standard corporate information and confirms the company's adherence to SEC regulations, including filing annual reports under Form 20-F.

Why It Matters

This filing is a routine disclosure for foreign issuers, providing transparency to investors about the company's regulatory compliance and basic corporate details.

Risk Assessment

Risk Level: low — This is a routine administrative filing with no new material financial or operational information disclosed.

Key Players & Entities

FAQ

What is the purpose of a Form 6-K filing?

A Form 6-K is a report of foreign private issuers that are required to furnish information which they have made or are required to make public pursuant to the laws of their home country or a foreign stock exchange, or that they have submitted or are required to submit to their security holders.

What is the filing date of this specific Form 6-K?

The filing date of this Form 6-K is November 12, 2025.

Which annual report form does United Microelectronics Corporation file under?

United Microelectronics Corporation files its 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.

Where is the principal executive office of United Microelectronics Corporation 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.

Filing Stats: 191 words · 1 min read · ~1 pages · Grade level 12.3 · Accepted 2025-11-12 06:36:11

Filing Documents

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 12, 2025 2 EXHIBIT INDEX Exhibit Description 99 6K on 11/12/2025 3

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