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UNITED MICROELECTRONICS CORP — 6-K Filings

543 6-K filings on record

This page lists all 6-K 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 543 6-K 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
6-K LIVE FILING 0001309014-12-000229 Mar 26, 2012
6-K LIVE FILING 0001309014-12-000196 Mar 14, 2012
6-K LIVE FILING 0001309014-12-000142 Feb 29, 2012
6-K LIVE FILING 0001309014-12-000066 Jan 30, 2012
6-K LIVE FILING 0001309014-11-000865 Dec 27, 2011 Dec 26, 2011
6-K LIVE FILING 0001309014-11-000771 Nov 25, 2011
6-K FS 3Q11 0001292814-11-002957 Nov 22, 2011 Sep 30, 2011
6-K LIVE FILING 0001309014-11-000689 Oct 31, 2011
6-K LIVE FILING 0001309014-11-000678 Oct 26, 2011
6-K LIVE FILING 0001309014-11-000623 Sep 27, 2011
6-K FORM 6-K 0001292814-11-002506 Sep 16, 2011 Jun 30, 2011
6-K LIVE FILING 0001309014-11-000568 Aug 31, 2011
6-K LIVE FILING 0001309014-11-000477 Jul 26, 2011
6-K LIVE FILING 0001309014-11-000376 Jun 27, 2011
6-K LIVE FILING 0001309014-11-000318 Jun 1, 2011 May 26, 2011
6-K FORM 6-K 0001292814-11-001225 Apr 29, 2011 Mar 31, 2011
6-K LIVE FILING 0001309014-11-000231 Apr 26, 2011
6-K LIVE FILING 0001309014-11-000171 Mar 28, 2011
6-K LIVE FILING 0001309014-11-000149 Mar 16, 2011
6-K LIVE FILING 0001309014-11-000095 Feb 25, 2011
6-K LIVE FILING 0001309014-11-000031 Jan 25, 2011
6-K LIVE FILING 0001309014-10-000811 Dec 27, 2010
6-K LIVE FILING 0001309014-10-000749 Nov 26, 2010
6-K LIVE FILING 0001309014-10-000731 Nov 18, 2010
6-K FORM 6-K 0000950123-10-106793 Nov 18, 2010 Nov 17, 2010
6-K LIVE FILING 0001309014-10-000662 Oct 25, 2010
6-K FORM 6-K 0000950123-10-089010 Sep 27, 2010
6-K LIVE FILING 0001309014-10-000606 Sep 24, 2010
6-K LIVE FILING 0001309014-10-000552 Aug 25, 2010
6-K LIVE FILING 0001309014-10-000551 Aug 25, 2010
6-K LIVE FILING 0001309014-10-000484 Jul 23, 2010
6-K LIVE FILING 0001309014-10-000416 Jun 22, 2010
6-K LIVE FILING 0001309014-10-000354 May 24, 2010
6-K FORM 6-K 0000950123-10-041019 Apr 30, 2010
6-K LIVE FILING 0001309014-10-000264 Apr 20, 2010
6-K LIVE FILING 0001309014-10-000194 Mar 19, 2010
6-K LIVE FILING 0001309014-10-000153 Mar 4, 2010
6-K LIVE FILING 0001309014-10-000126 Feb 23, 2010 Feb 22, 2010
6-K LIVE FILING 0001309014-10-000060 Jan 29, 2010
6-K LIVE FILING 0001309014-09-001029 Dec 21, 2009
6-K LIVE FILING 0001309014-09-001004 Dec 15, 2009
6-K LIVE FILING 0001309014-09-000953 Nov 30, 2009
6-K LIVE FILING 0001309014-09-000927 Nov 19, 2009
6-K FORM 6-K 0000950123-09-058712 Nov 6, 2009
6-K LIVE FILING 0001309014-09-000867 Oct 28, 2009
6-K LIVE FILING 0001309014-09-000857 Oct 26, 2009
6-K LIVE FILING 0001309014-09-000827 Oct 14, 2009
6-K LIVE FILING 0001309014-09-000722 Sep 18, 2009
6-K FORM 6-K 0000950123-09-041433 Sep 8, 2009
6-K LIVE FILING 0001309014-09-000659 Aug 21, 2009