United Microelectronics Corp 6-K, filed Jul 21, 2026
United Microelectronics Corp (UMC)
About this 6-K
United Microelectronics Corp filed this 6-K on July 21, 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
July 21, 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 |
|
|
|
|
|
By: |
Chitung Liu |
Name: |
Chitung Liu |
Title: |
CFO |
Date: July 21, 2026
2
3
www.umc.com
Exhibit
Exhibit Description
99.1 Announcement on 2026/07/21: Announcement of the Company’s Board Meeting Date of Q2, 2026 Consolidated Financial Report
99.2 Announcement on 2026/07/21: Announcement of the banks designated to collect and deposit for the 1st and 2nd domestic unsecured convertible corporate bond
Exhibit 99.1
Announcement of the Company’s Board Meeting Date of Q2, 2026 Consolidated Financial Report
1. Date of a notice of the board of directors meeting is issued: 2026/07/21
2. Expected date of the board of directors meeting is convened: 2026/07/29
3. Expected year and quarter of the financial reports or the annual self-assessed financial information submitted to the board of directors or approved by the board of directors:
Q2, 2026 Consolidated Financial Report
4. Any other matters that need to be specified: None
Exhibit 99.2
Announcement of the banks designated to collect and deposit for the 1st and 2nd domestic unsecured convertible corporate bond
1. Date of occurrence of the event: 2026/07/21
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.):
(1) Contract Date: 2026/07/21
(2) Bank for Collection of Proceeds: Hua Nan Commercial Bank, Business Department
(3) Bank for the Dedicated Deposit Account: CTBC Commercial Bank, Dunnan Branch