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NTD

MC

UNITED MICROELECTRONICS CORP

(UMC)

2025 6-K

Filing Announcement

15 May '26

Filing Confirmation

13 May '26

SEC Filing Summary

12 May '26

Filed Report

11 May '26

Filing Notice

8 May '26

Filing Submission

7 May '26

Filing Reported

30 Apr '26

Filing Date Report

29 Apr '26

Filing Report

29 Apr '26

Filing Confirmation

21 Apr '26

Form 6-K Filing

15 Apr '26

Filing Notification

8 Apr '26

Filing Notification

26 Mar '26

Filing Reported

12 Mar '26

Filing Report Summary

5 Mar '26

Annual Report Filing

25 Feb '26

Filing Notice

25 Feb '26

Filing Confirmation

24 Feb '26

6-K Filing Summary

13 Feb '26

6-K Filing Summary

5 Feb '26

Filing Report

28 Jan '26

Filing Reported

14 Jan '26

Filing Notification

7 Jan '26

Filing Update

30 Dec '25

Filing Report

17 Dec '25

Filing Notification

10 Dec '25

Filing Report

4 Dec '25

Filing Reported

28 Nov '25

Filing Summary

20 Nov '25

Filing Date Confirmation

12 Nov '25

Filing Information

6 Nov '25

Quarterly Report

29 Oct '25

Filing Acknowledgment

29 Oct '25

Filing Reported

28 Oct '25

Filing Notification

27 Oct '25

Filing Details

21 Oct '25

Filing Report

15 Oct '25

Filing Notification

7 Oct '25

Foreign Issuer Report

22 Sep '25

Filing Announcement

10 Sep '25

Filing Notification

4 Sep '25

Filing Report

13 Aug '25

Company Filing Summary

12 Aug '25

Filing Report

6 Aug '25

Quarterly Report

30 Jul '25

Filing Announcement

30 Jul '25

Filing Summary

28 Jul '25

Filing Report

22 Jul '25

Filing Update

10 Jul '25

Filing Notice

7 Jul '25

Filing Report

30 Jun '25

Filing Update

20 Jun '25

Filing Update

10 Jun '25

Filing Confirmation

5 Jun '25

Filing Report

4 Jun '25

Filing Update

28 May '25

Filing Submission

15 May '25

Filing Report

8 May '25

Filing Update

24 Apr '25

Quarterly Report

23 Apr '25

Filing Report Summary

23 Apr '25

Filing Submission

10 Apr '25

Foreign Filing Report

1 Apr '25

Filing Overview

20 Mar '25

Filing Summary

11 Mar '25

Filing Confirmation

26 Feb '25

Filing Announcement

11 Feb '25

6-K Filing Summary

21 Jan '25

Filing Notification

10 Jan '25

Filing Notification

27 Dec '24

Filing Notification

18 Dec '24

Filing Report

11 Dec '24

Filing Confirmation

25 Nov '24

Filing Announcement

14 Nov '24

Filing Notification

13 Nov '24

Filing Update

30 Oct '24

Filing Notification

22 Oct '24

Filing Confirmation

9 Oct '24

Filing Report

12 Sep '24

Filing Date Confirmed

19 Aug '24

Filing Submission

9 Aug '24

Company Filing

31 Jul '24

Filing Notification

17 Jul '24

Filing Overview

12 Jun '24

Filing Update

30 May '24

Filing Overview

23 May '24

Filing Report

14 May '24

Filing Report

25 Apr '24

6-K Filing Update

24 Apr '24

Filing Announcement

16 Apr '24

Filing Summary

3 Apr '24

Filing Report

25 Mar '24

SEC Filing Overview

25 Mar '24

Filing Announcement

22 Mar '24

Filing Notification

27 Feb '24

Filing Date Revealed

26 Feb '24

Filing Overview

31 Jan '24

Filing Confirmation

26 Jan '24

Filing Submission

25 Jan '24

External Links:

SEC

United Microelectronics Corporation submitted a Form 6-K on October 29, 2025, confirming the filing requirements under the Securities Exchange Act. This filing does not report any significant events or quantitative data at this time.

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2025

6 K

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