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UNITED MICROELECTRONICS CORP — SC 13D/A Filings

3 SC 13D/A filings on record

This page lists all SC 13D/A filings submitted to the SEC by UNITED MICROELECTRONICS CORP (UMC), sorted by most recent first. Each row links to the full filing on EdgarLookup. UNITED MICROELECTRONICS CORP has filed 3 SC 13D/A documents with the SEC since 1997. To view all SEC filings by UNITED MICROELECTRONICS CORP, see the full filings list.

Overview All Filings Financials Insiders
All 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
SC 13D/A FORM SC 13D/A 0000891618-00-002713 May 11, 2000 —
SC 13D/A AMENDMENT #2 TO SCHEDULE 13D 0000891618-99-005382 Nov 22, 1999 —
SC 13D/A SCHEDULE 13D/A 0001012870-97-000396 Feb 26, 1997 —