UNITED MICROELECTRONICS CORP — All Filings
670 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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20-F
20-F/A
3
424B5
6-K
6-K/A
CORRESP
EFFECT
F-3/A
F-6
F-6 POS
F-6EF
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 6-K | 6-K | 0001193125-26-124974 | Mar 26, 2026 | — |
| 3 | 3 | 0001193125-26-112213 | Mar 18, 2026 | — |
| 3 | 3 | 0001193125-26-112206 | Mar 18, 2026 | — |
| 3 | 3 | 0001193125-26-112192 | Mar 18, 2026 | — |
| 3 | 3 | 0001193125-26-112179 | Mar 18, 2026 | — |
| 3 | 3 | 0001193125-26-112172 | Mar 18, 2026 | — |
| 3 | 3 | 0001193125-26-112166 | Mar 18, 2026 | — |
| 3 | 3 | 0001193125-26-112156 | Mar 18, 2026 | — |
| 3 | 3 | 0001193125-26-112138 | Mar 18, 2026 | — |
| 3 | 3 | 0001193125-26-112131 | Mar 18, 2026 | — |
| 3 | 3 | 0001193125-26-112118 | Mar 18, 2026 | — |
| 6-K | 6-K | 0001193125-26-103006 | Mar 12, 2026 | — |
| 6-K | 6-K | 0001193125-26-092413 | Mar 5, 2026 | — |
| 6-K | 6-K | 0001193125-26-068366 | Feb 25, 2026 | — |
| 6-K | 6-K | 0001193125-26-068351 | Feb 25, 2026 | — |
| 6-K | 6-K | 0001193125-26-065068 | Feb 24, 2026 | — |
| 6-K | 6-K | 0001193125-26-049677 | Feb 13, 2026 | — |
| 6-K | 6-K | 0001193125-26-038388 | Feb 5, 2026 | — |
| 6-K | 6-K | 0001193125-26-025557 | Jan 28, 2026 | — |
| 6-K | 6-K | 0001193125-26-012225 | Jan 14, 2026 | — |
| 6-K | 6-K | 0001193125-26-005368 | Jan 7, 2026 | — |
| 6-K | 6-K | 0001193125-25-335826 | Dec 30, 2025 | — |
| 6-K | 6-K | 0001193125-25-321620 | Dec 17, 2025 | — |
| 6-K | 6-K | 0001193125-25-313406 | Dec 10, 2025 | — |
| 6-K | 6-K | 0001193125-25-307415 | Dec 4, 2025 | — |
| 6-K | 6-K | 0001193125-25-301178 | Nov 28, 2025 | — |
| 6-K | 6-K | 0001193125-25-288768 | Nov 20, 2025 | — |
| 6-K | 6-K | 0001193125-25-275805 | Nov 12, 2025 | — |
| 6-K | 6-K | 0001193125-25-267954 | Nov 6, 2025 | — |
| 6-K | 6-K | 0001193125-25-254523 | Oct 29, 2025 | — |
| 6-K | 6-K | 0001193125-25-254520 | Oct 29, 2025 | — |
| 6-K | 6-K | 0001193125-25-252138 | Oct 28, 2025 | — |
| 6-K | 6-K | 0001193125-25-250653 | Oct 27, 2025 | — |
| 6-K | 6-K | 0001193125-25-244241 | Oct 21, 2025 | — |
| 6-K | 6-K | 0001193125-25-239494 | Oct 15, 2025 | — |
| 6-K | 6-K | 0001193125-25-232535 | Oct 7, 2025 | — |
| 6-K | 6-K | 0001193125-25-209921 | Sep 22, 2025 | — |
| 6-K | 6-K | 0001033767-25-000006 | Sep 10, 2025 | — |
| 6-K | 6-K | 0001033767-25-000004 | Sep 4, 2025 | — |
| 6-K | 6-K | 0000950170-25-107596 | Aug 13, 2025 | — |
| 6-K | 6-K | 0000950170-25-106904 | Aug 12, 2025 | — |
| 6-K | 6-K | 0000950170-25-103509 | Aug 6, 2025 | — |
| 6-K | 6-K | 0000950170-25-099867 | Jul 30, 2025 | — |
| 6-K | 6-K | 0000950170-25-099865 | Jul 30, 2025 | — |
| 6-K | 6-K | 0000950170-25-098932 | Jul 28, 2025 | — |
| 6-K | 6-K | 0000950170-25-097409 | Jul 22, 2025 | — |
| 6-K | 6-K | 0000950170-25-094919 | Jul 10, 2025 | — |
| 6-K | 6-K | 0000950170-25-094136 | Jul 7, 2025 | — |
| 6-K | 6-K | 0000950170-25-091201 | Jun 30, 2025 | — |
| 6-K | 6-K | 0000950170-25-088159 | Jun 20, 2025 | — |