United Microelectronics Corp 6-K, filed Feb 24, 2026
United Microelectronics Corp (UMC)
About this 6-K
United Microelectronics Corp filed this 6-K on February 24, 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
February 24, 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: February 24, 2026
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www.umc.com
Exhibit
Exhibit Description
99.1 Announcement on 2026/02/24: Represent major subsidiary United Semiconductor (Xiamen) Co., Ltd. to announce the Board Resolution to Convene a 2026 Shareholders’ Meeting
99.2 Announcement on 2026/02/24: To announce the board of directors not to distribute dividends on behalf of subsidiary UMC GROUP (USA)
99.3 Announcement on 2026/02/24: Change of the representative of juristic-person director
Exhibit 99.1
Represent major subsidiary United Semiconductor (Xiamen) Co., Ltd. to announce the Board Resolution to Convene a 2026 Shareholders’ Meeting
1. Date of the board of directors’ resolution: 2026/02/24
2. Shareholders meeting date: 2026/03/12
3. Shareholders meeting location:
No.899 Wan Jia Chun Road, Xiang’an District, Xiamen, Fujian Province, China
4. Cause for convening the meeting (1) Reported matters: None
5. Cause for convening the meeting (2) Acknowledged matters:
1.The Company’s 2025 Annual Audit Financial Report
2.The Company’s 2026 Annual Operating Budget Proposal
6. Cause for convening the meeting (3) Matters for Discussion:
1.To amend the company’s “Asset Acquisition and Disposal Procedures”
7. Cause for convening the meeting (4) Election matters: None
8. Cause for convening the meeting (5) Other Proposals: None
9. Cause for convening the meeting (6) Extemporary Motions: None
10. Book closure starting date: NA
11. Book closure ending date: NA
12. Any other matters that need to be specified: None
Exhibit 99.2
To announce the board of directors not to distribute dividends on behalf of subsidiary UMC GROUP (USA)
1. Date of the board of directors’ resolution: 2026/02/24
2. Type and monetary amount of dividend distribution:
The board has resolved not to distribute dividend.
3. Any other matters that need to be specified:
According to the audit report issued by the accounting firm, the remaining surplus is retained as the working capital of the company.
Exhibit 99.3
Change of the representative of juristic-person director
1. Date of occurrence of the change: 2026/02/24
2. Name of legal person: Hsun Chieh Investment Co., Ltd.
3. Name of the previous position holder: SC Chien
4. Resume of the previous position holder: Director of UMC
5. Name of the new position holder: Ming Hsu
6. Resume of the new position holder: Executive Vice President of UMC
7. Reason for the change: Replacement of the representative
8. Original term (from __________ to __________): from 2024/05/30 to 2027/05/29
9. Effective date of the new appointment: 2026/02/24
10. Any other matters that need to be specified: None