United Microelectronics Corporation Form 6-K: Report of foreign private issuer
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2019-12-26: Form 6-K; Period of report 2019-12-26; Description 6-K; Document umc-6k_20191226.htm.
- 2019-11-25: Form 6-K; Period of report 2019-11-25; Description 6-K; Document umc-6k_20191125.htm.
- 2019-11-04: Form 6-K; Period of report 2019-09-30; Description FORM 6-K; Document umcfs3q19_6k.htm.
- 2019-10-30: Form 6-K; Period of report 2019-10-30; Description 6-K; Document umc-6k_20191030.htm.