United Microelectronics unit appoints Ming Hsu
UMC Group (USA) marked the appointment as a change involving one-third or more of its directors.
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Rhea-AI Filing Summary
United Microelectronics Corporation (UMC) reported that its major subsidiary, UMC Group (USA), appointed Ming Hsu as a natural-person director effective November 3, 2026. Hsu is President & Chief Operating Officer of UMC. The subsidiary said the appointment added one director seat and answered “Yes” to whether the change involved one-third or more of its directors.
Key Figures
Key Terms
natural-person director technical
major subsidiary technical
turnover rate of directors of the same term technical
FAQ
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Who was appointed to UMC Group (USA)'s board in the UMC (UMC) report?
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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
November 3, 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: November 3, 2026
2
EXHIBIT INDEX
Exhibit |
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Description |
99.1 |
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6K on 11/03/2026 |
3
www.umc.com
Exhibit
Exhibit Description
99.1 Amendment on 2026/11/03: Represent major subsidiary UMC Group (USA) to announce the change of director
Exhibit 99.1
Represent major subsidiary UMC Group (USA) to announce the change of director
1. Date of occurrence of the change: 2026/11/03
2. Elected or changed position (Please enter institutional director, institutional supervisor, independent director, natural-person director or natural-person supervisor): natural-person director
3. Title and name of the previous position holder: NA
4. Resume of the previous position holder: NA
5. Title and name of the new position holder: Ming Hsu
6. Resume of the new position holder: President & Chief Operating Officer of UMC
7. Circumstances of change (Please enter “resignation”, “dismissal”, “term expired”, “death” or “new appointment”): new appointment
8. Reason for the change: Increase one seat of director
9. Number of shares held by the new position holder when elected: NA
10. Original term (from __________ to __________): NA
11. Effective date of the new appointment: 2026/11/03
12. Turnover rate of directors of the same term: NA
13. Turnover rate of independent directors of the same term: NA
14. Turnover rate of supervisors of the same term: NA
15. Change in one-third or more of directors (Please enter “Yes” or “No”):Yes
16. Any other matters that need to be specified (the information disclosure also meets the requirements of Article 7, subparagraph 6 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.): None