# United Microelectronics Corp: Form 6-K, filed Oct 28, 2026

- Company: [United Microelectronics Corp](/companies/umc.md) (CIK 1033767)
- Form: 6-K
- Filed: 2026-10-28
- Accepted by EDGAR: Oct 28, 2026, 06:04 ET
- Period: 2026-10-28
- Accession: 0001193125-26-435003
- Inline XBRL: no
- Main document: https://www.sec.gov/Archives/edgar/data/1033767/000119312526435003/2026q3_quarterly_reports.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1033767/000119312526435003/

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1033767/000119312526435003/2026q3_quarterly_reports.htm

Filed Oct 28, 2026.
Source: SEC EDGAR, the filing index for accession 0001193125-26-435003. Last ingested by Listed: Oct 28, 2026, 06:06 ET. No prices; not investment advice.