United Microelectronics Corp 6-K, filed Aug 5, 2026
United Microelectronics Corp (UMC)
About this 6-K
United Microelectronics Corp filed this 6-K on August 5, 2026.
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
OF THE SECURITIES EXCHANGE ACT OF 1934
August 5, 2026
(Commission File Number: 001-15128)
United Microelectronics Corporation
(Translation of registrant’s name into English)
No. 3 Li-Hsin 2nd Road,
Hsinchu Science Park,
Hsinchu, Taiwan, R.O.C.
(Address of principal executive office)
Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.
Form 20-F Form 40-F
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (1):
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (7):
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 |
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By: |
Chitung Liu |
Name: |
Chitung Liu |
Title: |
CFO |
Date: August 5, 2026
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www.umc.com
Exhibit
Exhibit Description
99.1 Announcement on 2026/08/05: Announcement that the proceeds for the 1st domestic unsecured convertible corporate bonds have been fully received
Exhibit 99.1
Announcement that the proceeds for the 1st domestic unsecured convertible corporate bonds have been fully received
1. Date of occurrence of the event: 2026/08/05
2. Company name: UNITED MICROELECTRONICS CORPORATION
3. Relationship to the Company (please enter “head office” or “subsidiaries”): head office
4. Reciprocal shareholding ratios: Not applicable
5. Cause of occurrence: Announcement in accordance with Article 9, Paragraph 1, Item 2 of the “Regulations Governing the Offering and Issuance of Securities by Securities Issuers”
6. Countermeasures: None
7. Any other matters that need to be specified (the information disclosure also meets the requirements of Article 7, subparagraph 9 of the Securities and Exchange Act Enforcement Rules, which brings forth a significant impact on shareholders rights or the price of the securities on public companies.):
As of the date of this announcement, for the 1st domestic unsecured convertible corporate bond issuance, the collecting bank has fully received all subscription proceeds totaling NT$12,120,000,000, and has remitted the funds to the designated depository bank.