UMC discloses NTD$406.6M share repurchase total
United Microelectronics Corporation reports progress on its share buyback program, with total repurchased value reaching NTD$406,598,693 as of 2026/05/15.
Sentiment and the balance of points
Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.
Rhea-AI Filing Summary
United Microelectronics Corporation reports progress on its share buyback program, with total repurchased value reaching NTD$406,598,693 as of 2026/05/15. The company has repurchased 3,780,000 common shares at an average price of NTD$107.57 per share.
During the repurchase period, UMC holds 20,531,000 of its own shares, equal to 0.16% of its total issued share count. This update signals ongoing capital return through share repurchases, though the proportion of shares bought back remains relatively small versus total shares issued.
Key Figures
Key Terms
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
AI-generated analysis. How Rhea-AI works. Not financial advice.
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
May 15, 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: May 15, 2026
2
EXHIBIT INDEX
Exhibit |
|
Description |
99.1 |
|
6K on 05/15/2026 |
3
www.umc.com
Exhibit
Exhibit Description
99.1 Announcement on 2026/05/15: To announce accumulative shares repurchased exceeding NTD$300 million in value
Exhibit 99.1
To announce accumulative shares repurchased exceeding NTD$300 million in value
1. Date the cumulative no. of shares currently repurchased accounted for 2 percent or more of the shares issued by the company, or amounted to NT$300 million or more: 2026/05/15
2. No. of shares currently repurchased (shares): 3,780,000 shares
3. Type of shares currently repurchased: Common share
4. Total monetary amount of shares currently repurchased (NTD): NTD$406,598,693
5. Current average repurchase price per share (NTD): NTD$107.57
6. Cumulative no. of the company's own shares held during the repurchase period (shares): 20,531,000 shares
7. Cumulative no. of the company’s own shares held during the repurchase period as a percentage of the total no. of the company's issued shares: 0.16%
8. Any other matters that need to be specified: None