United Microelectronics (NYSE: UMC) schedules board meeting for Q1 2026 consolidated report

Rhea-AI Filing Summary

United Microelectronics Corporation filed a Form 6-K to announce scheduling details for its first-quarter 2026 financial reporting. The company’s board of directors was formally notified on 2026/04/21 of an upcoming meeting.

The board meeting is expected to be held on 2026/04/29 to review and approve the Q1 2026 consolidated financial report. No financial results or performance figures are included in this filing; it only provides the timetable for the board’s consideration of the quarterly report.

Key Figures

Form type: Form 6-K Notice date: 2026/04/21 Board meeting date: 2026/04/29 +1 more

4 metrics

Form type Form 6-K Report of foreign issuer under Exchange Act

Notice date 2026/04/21 Date notice of board meeting was issued

Board meeting date 2026/04/29 Expected date board meets on Q1 2026 report

Reporting period Q1 2026 Consolidated financial report to be reviewed

Key Terms

Form 6-K, foreign issuer, consolidated financial report, board of directors meeting

4 terms

Form 6-K regulatory

"FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16"

A Form 6-K is a report that companies listed in certain countries file to provide important updates, such as financial results, corporate changes, or other significant information, to regulators and investors. It functions like an official company update or news release, helping investors stay informed about developments that could affect their investment decisions.

foreign issuer regulatory

"FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16"

consolidated financial report financial

"Q1, 2026 Consolidated Financial Report"

board of directors meeting financial

"Expected date of the board of directors meeting is convened: 2026/04/29"

Form 6-K: How Foreign Companies Report to the SEC →

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

April 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: April 21, 2026

2

EXHIBIT INDEX

Exhibit		Description
99.1		6K on 04/21/2026

3

www.umc.com

Exhibit

Exhibit Description

99.1 Announcement on 2026/04/21: Announcement of the Company’s Board Meeting Date of Q1, 2026 Consolidated Financial Report

Exhibit 99.1

Announcement of the Company's Board Meeting Date of Q1, 2026 Consolidated Financial Report

1. Date of a notice of the board of directors meeting is issued: 2026/04/21

2. Expected date of the board of directors meeting is convened: 2026/04/29

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:

Q1, 2026 Consolidated Financial Report

4. Any other matters that need to be specified: None

FAQ

What did UMC (UMC) disclose in this Form 6-K filing?

United Microelectronics Corporation disclosed the schedule for its Q1 2026 consolidated financial report, stating its board was notified on 2026/04/21 and is expected to meet on 2026/04/29 to review and approve the quarterly financial statements.

When will UMC’s board review the Q1 2026 consolidated financial report?

UMC expects its board of directors to convene on 2026/04/29 to review the Q1 2026 consolidated financial report. This meeting date was formally set following a notice issued to the board on 2026/04/21, according to the Form 6-K filing.

Does this UMC Form 6-K include Q1 2026 financial results?

No, the Form 6-K does not include Q1 2026 financial results. It only announces the notice and expected date of the board meeting where the Q1 2026 consolidated financial report will be submitted and considered for approval by United Microelectronics Corporation’s directors.

What is the purpose of UMC’s announced board meeting on 2026/04/29?

The announced board meeting on 2026/04/29 is intended for United Microelectronics Corporation’s directors to review and approve the Q1 2026 consolidated financial report. The filing clarifies that this report relates to the company’s first-quarter 2026 financial performance on a consolidated basis.

When was the notice for UMC’s Q1 2026 board meeting issued?

The notice for UMC’s Q1 2026 board meeting was issued on 2026/04/21. This notice sets up the board session expected on 2026/04/29, during which the company plans to submit its Q1 2026 consolidated financial report for board consideration and approval.

What financial period will UMC’s upcoming board meeting cover?

The upcoming board meeting will cover United Microelectronics Corporation’s Q1 2026 consolidated financial report. This means the directors will evaluate the company’s combined financial performance for the first quarter of 2026 across all consolidated entities, rather than individual subsidiaries alone.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EX-99.1 7.3 KB