# United Microelectronics Corp: Form 6-K, filed May 11, 2026

- Company: [United Microelectronics Corp](/companies/umc.md) (CIK 1033767)
- Form: 6-K
- Filed: 2026-05-11
- Accepted by EDGAR: May 11, 2026, 06:01 ET
- Period: 2026-05-11
- Accession: 0001193125-26-215564
- Inline XBRL: no
- Main document: https://www.sec.gov/Archives/edgar/data/1033767/000119312526215564/6k_on_05112026.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1033767/000119312526215564/

## 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/1033767/000119312526215564/6k_on_05112026.htm

Filed May 11, 2026.
Source: SEC EDGAR, the filing index for accession 0001193125-26-215564. Last ingested by Listed: Nov 5, 2026, 11:28 ET. No prices; not investment advice.