Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Taipei, Taiwan
SEC filing record 1 source field available
Fiscal year end
31 December
UNITED MICROELECTRONICS CORP has filed 713 SEC EDGAR filings since 14 Feb 1997

SEC filing history

Showing 151-175 of 519 matching filings.

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7
6-K File 001-15128

6-K

Filing date
25 Sep 2023
Reporting date
25 Sep 2023
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6-K File 001-15128

6-K

Filing date
25 Aug 2023
Reporting date
25 Aug 2023
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6-K File 001-15128

FORM 6-K

Filing date
22 Aug 2023
Reporting date
30 Jun 2023
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6-K File 001-15128

6-K

Filing date
26 Jul 2023
Reporting date
26 Jul 2023
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6-K File 001-15128

6-K

Filing date
25 Jul 2023
Reporting date
25 Jul 2023
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6-K File 001-15128

6-K

Filing date
26 Jun 2023
Reporting date
26 Jun 2023
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SD File 001-15128

FORM SD

Filing date
31 May 2023
Reporting date
Not listed
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6-K File 001-15128

6-K

Filing date
31 May 2023
Reporting date
31 May 2023
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6-K File 001-15128

6-K

Filing date
25 May 2023
Reporting date
25 May 2023
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6-K File 001-15128

6-K

Filing date
15 May 2023
Reporting date
31 Mar 2023
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6-K File 001-15128

6-K

Filing date
27 Apr 2023
Reporting date
27 Apr 2023
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6-K File 001-15128

6-K

Filing date
26 Apr 2023
Reporting date
26 Apr 2023
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6-K File 001-15128

6-K

Filing date
25 Apr 2023
Reporting date
25 Apr 2023
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6-K File 001-15128

6-K

Filing date
27 Mar 2023
Reporting date
27 Mar 2023
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6-K File 001-15128

FORM 6-K

Filing date
20 Mar 2023
Reporting date
31 Dec 2022
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6-K File 001-15128

6-K

Filing date
24 Feb 2023
Reporting date
24 Feb 2023
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6-K File 001-15128

6-K

Filing date
22 Feb 2023
Reporting date
22 Feb 2023
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SC 13G/A File 005-60399

SC 13G/A filing

Filing date
10 Feb 2023
Reporting date
Not listed
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6-K File 001-15128

6-K

Filing date
30 Jan 2023
Reporting date
30 Jan 2023
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6-K File 001-15128

6-K

Filing date
17 Jan 2023
Reporting date
17 Jan 2023
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S-8 File 333-269038

REGISTRATION STATEMENT

Filing date
28 Dec 2022
Reporting date
Not listed
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6-K File 001-15128

6-K

Filing date
27 Dec 2022
Reporting date
27 Dec 2022
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6-K File 001-15128

6-K

Filing date
25 Nov 2022
Reporting date
25 Nov 2022
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6-K File 001-15128

6-K

Filing date
15 Nov 2022
Reporting date
30 Sep 2022
SEC evidence
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