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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 0001309014-07-000259 Apr 30, 2007 —
6-K LIVE FILING 0001309014-07-000231 Apr 16, 2007 —
6-K LIVE FILING 0001309014-07-000180 Mar 23, 2007 —
6-K LIVE FILING 0001309014-07-000169 Mar 16, 2007 —
6-K FORM 6-K 0001193125-07-033514 Feb 16, 2007 —
6-K FORM 6-K 0001193125-07-010553 Jan 23, 2007 —
6-K FORM 6-K 0001193125-07-006383 Jan 16, 2007 —
6-K FORM 6-K 0001193125-06-256576 Dec 20, 2006 —
6-K FORM 6-K 0001193125-06-235546 Nov 15, 2006 —
6-K FORM 6-K 0001193125-06-208765 Oct 17, 2006 Oct 16, 2006
6-K FORM 6-K 0001193125-06-191276 Sep 15, 2006 —
6-K FORM 6-K 0001193125-06-174213 Aug 16, 2006 —
6-K FORM 6-K 0001193125-06-150576 Jul 21, 2006 Jul 20, 2006
6-K FORM 6-K 0001193125-06-146517 Jul 14, 2006 —
6-K FORM 6-K 0001193125-06-128583 Jun 13, 2006 —
6-K FORM 6-K 0001193125-06-119929 May 26, 2006 —
6-K FORM 6-K 0001193125-06-114114 May 17, 2006 May 16, 2006
6-K FORM 6-K 0001193125-06-082016 Apr 18, 2006 Apr 17, 2006
6-K FORM 6-K 0001193125-06-075265 Apr 7, 2006 —
6-K FORM 6-K 0001193125-06-057494 Mar 17, 2006 —
6-K FORM 6-K 0001193125-06-034134 Feb 17, 2006 —
6-K FORM 6-K 0001193125-06-033055 Feb 16, 2006 —
6-K FORM 6-K 0001193125-06-032183 Feb 15, 2006 —
6-K FORM 6-K 0001193125-06-027857 Feb 13, 2006 —
6-K FORM 6-K 0001193125-06-013303 Jan 27, 2006 —
6-K FORM 6-K 0001193125-06-008350 Jan 19, 2006 Jan 16, 2006
6-K FORM 6-K 0001193125-06-003024 Jan 9, 2006 —
6-K FORM 6-K 0001193125-05-250742 Dec 30, 2005 —
6-K FORM 6-K 0001193125-05-250077 Dec 29, 2005 —
6-K FORM 6-K 0001193125-05-243780 Dec 16, 2005 —
6-K FORM 6-K 0001193125-05-241679 Dec 13, 2005 —
6-K FORM 6-K 0001193125-05-228277 Nov 17, 2005 Nov 16, 2005
6-K FORM 6-K 0001193125-05-205460 Oct 21, 2005 —
6-K FORM 6-K 0001193125-05-202117 Oct 17, 2005 Oct 16, 2005
6-K FORM 6-K 0001193125-05-188219 Sep 20, 2005 Sep 16, 2005
6-K FORM 6-K 0001193125-05-169048 Aug 16, 2005 —
6-K FORM 6-K 0001193125-05-144120 Jul 19, 2005 Jul 16, 2005
6-K FORM 6-K 0001193125-05-126107 Jun 16, 2005 —
6-K FORM 6-K 0001193125-05-112564 May 23, 2005 —
6-K FORM 6-K 0001193125-05-111106 May 19, 2005 —
6-K FORM 6-K 0001193125-05-109420 May 17, 2005 —
6-K FORM 6-K 0001193125-05-087728 Apr 28, 2005 —
6-K FORM 6-K 0001193125-05-078084 Apr 18, 2005 Apr 16, 2005
6-K FORM 6K 0001193125-05-060574 Mar 25, 2005 —
6-K FORM 6-K 0001193125-05-055804 Mar 21, 2005 —
6-K FORM 6-K 0001193125-05-051785 Mar 16, 2005 —
6-K FORM 6-K 0001193125-05-033608 Feb 22, 2005 Feb 18, 2005
6-K FORM 6-K 0001193125-05-030923 Feb 16, 2005 —
6-K FORM 6-K 0001193125-05-030623 Feb 16, 2005 —
6-K FORM 6-K 0001193125-05-007156 Jan 18, 2005 Jan 17, 2005