UMCNYSESemiconductors & Related DevicesFiscal year ends December 31
UNITED MICROELECTRONICS CORP
Financials through fiscal 2024, year ended Dec 31, 2024Last filing: 20-F on Apr 30, 2026
$20.08+0.26 (+1.31%)
Close on Oct 19, 2026
SEC filings
40 of United Microelectronics's most recent filings on SEC EDGAR
| Document | Form | Period | Filed | Source |
|---|---|---|---|---|
| Current report | 6-K | Oct 13, 2026 | Oct 13, 2026 | SEC EDGAR |
| Current report | 6-K | Oct 6, 2026 | Oct 6, 2026 | SEC EDGAR |
| Current report | 6-K | Oct 5, 2026 | Oct 5, 2026 | SEC EDGAR |
| Current report | 6-K | Sep 29, 2026 | Sep 29, 2026 | SEC EDGAR |
| Current report | 6-K | Sep 4, 2026 | Sep 4, 2026 | SEC EDGAR |
| Current report | 6-K | Sep 2, 2026 | Sep 2, 2026 | SEC EDGAR |
| Current report | 6-K | Aug 26, 2026 | Aug 26, 2026 | SEC EDGAR |
| Current report | 6-K | Aug 14, 2026 | Aug 14, 2026 | SEC EDGAR |
| Current report | 6-K | Aug 6, 2026 | Aug 6, 2026 | SEC EDGAR |
| Current report | 6-K | Aug 5, 2026 | Aug 5, 2026 | SEC EDGAR |
| Current report | 6-K | Jul 30, 2026 | Jul 30, 2026 | SEC EDGAR |
| Current report | 6-K | Jul 29, 2026 | Jul 29, 2026 | SEC EDGAR |
| Current report | 6-K | Jul 29, 2026 | Jul 29, 2026 | SEC EDGAR |
| Current report | 6-K | Jul 21, 2026 | Jul 21, 2026 | SEC EDGAR |
| Current report | 6-K | Jul 15, 2026 | Jul 15, 2026 | SEC EDGAR |
| Current report | 6-K | Jul 14, 2026 | Jul 14, 2026 | SEC EDGAR |
| Current report | 6-K | Jul 6, 2026 | Jul 6, 2026 | SEC EDGAR |
| Current report | 6-K | Jun 29, 2026 | Jun 29, 2026 | SEC EDGAR |
| Current report | 6-K | Jun 23, 2026 | Jun 23, 2026 | SEC EDGAR |
| Current report | 6-K | Jun 22, 2026 | Jun 22, 2026 | SEC EDGAR |
| Current report | 6-K | Jun 18, 2026 | Jun 18, 2026 | SEC EDGAR |
| Current report | 6-K | Jun 16, 2026 | Jun 16, 2026 | SEC EDGAR |
| Current report | 6-K | Jun 5, 2026 | Jun 5, 2026 | SEC EDGAR |
| Current report | 6-K | Jun 3, 2026 | Jun 3, 2026 | SEC EDGAR |
| Current report | 6-K | May 27, 2026 | May 27, 2026 | SEC EDGAR |
| Current report | 6-K | May 22, 2026 | May 22, 2026 | SEC EDGAR |
| Current report | 6-K | May 20, 2026 | May 20, 2026 | SEC EDGAR |
| Current report | 6-K | May 15, 2026 | May 15, 2026 | SEC EDGAR |
| Current report | 6-K | May 13, 2026 | May 13, 2026 | SEC EDGAR |
| Current report | 6-K | May 12, 2026 | May 12, 2026 | SEC EDGAR |
| Current report | 6-K | May 11, 2026 | May 11, 2026 | SEC EDGAR |
| Current report | 6-K | May 8, 2026 | May 8, 2026 | SEC EDGAR |
| Current report | 6-K | May 7, 2026 | May 7, 2026 | SEC EDGAR |
| Current report | 6-K | Apr 30, 2026 | Apr 30, 2026 | SEC EDGAR |
| Annual report | 20-F | Dec 31, 2025 | Apr 30, 2026 | SEC EDGAR |
| Current report | 6-K | Apr 29, 2026 | Apr 29, 2026 | SEC EDGAR |
| Current report | 6-K | Apr 29, 2026 | Apr 29, 2026 | SEC EDGAR |
| Current report | 6-K | Apr 21, 2026 | Apr 21, 2026 | SEC EDGAR |
| Current report | 6-K | Apr 15, 2026 | Apr 15, 2026 | SEC EDGAR |
| Current report | 6-K | Apr 8, 2026 | Apr 8, 2026 | SEC EDGAR |