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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 6-K 0000950170-25-048029 Apr 1, 2025
6-K 6-K 0001292814-25-000981 Mar 20, 2025 Dec 31, 2024
6-K 6-K 0000950170-25-036809 Mar 11, 2025
6-K 6-K 0000950170-25-027306 Feb 26, 2025
6-K 6-K 0000950170-25-017442 Feb 11, 2025
6-K 6-K 0000950170-25-006966 Jan 21, 2025
6-K 6-K 0000950170-25-004454 Jan 13, 2025 Jan 10, 2025
6-K 6-K 0000950170-24-140678 Dec 27, 2024
6-K 6-K 0000950170-24-137593 Dec 18, 2024
6-K 6-K 0000950170-24-135203 Dec 11, 2024
6-K 6-K 0000950170-24-130416 Nov 25, 2024
6-K 6-K 0000950170-24-126713 Nov 14, 2024
6-K 6-K 0001292814-24-004186 Nov 13, 2024 Sep 30, 2024
6-K 6-K 0000950170-24-118560 Oct 30, 2024
6-K 6-K 0000950170-24-116090 Oct 22, 2024
6-K 6-K 0000950170-24-113623 Oct 9, 2024
6-K 6-K 0000950170-24-105690 Sep 12, 2024
6-K 6-K 0000950170-24-098276 Aug 19, 2024
6-K 6-K 0001292814-24-003066 Aug 9, 2024 Jun 30, 2024
6-K 6-K 0000950170-24-088210 Jul 31, 2024
6-K 6-K 0000950170-24-084059 Jul 17, 2024
6-K 6-K 0000950170-24-072240 Jun 12, 2024
6-K 6-K 0000950170-24-066232 May 30, 2024
6-K FORM 6-K 0001193125-24-145408 May 23, 2024
6-K 6-K 0001292814-24-002052 May 14, 2024 Mar 31, 2024
6-K 6-K 0000950170-24-047909 Apr 25, 2024
6-K 6-K 0000950170-24-047232 Apr 24, 2024
6-K 6-K 0000950170-24-044587 Apr 16, 2024
6-K 6-K 0000950170-24-040647 Apr 3, 2024
6-K 6-K 0000950170-24-035628 Mar 25, 2024
6-K 6-K 0001292814-24-000982 Mar 25, 2024 Dec 31, 2023
6-K 6-K 0000950170-24-035050 Mar 22, 2024
6-K 6-K 0000950170-24-020649 Feb 27, 2024
6-K 6-K 0000950170-24-019717 Feb 26, 2024
6-K 6-K 0000950170-24-009128 Jan 31, 2024
6-K 6-K 0000950170-24-007679 Jan 26, 2024
6-K 6-K 0000950170-24-007218 Jan 25, 2024
6-K 6-K 0000950170-23-072798 Dec 26, 2023
6-K 6-K 0000950170-23-066025 Nov 27, 2023
6-K 6-K 0001292814-23-004638 Nov 14, 2023 Sep 30, 2023
6-K 6-K 0000950170-23-054991 Oct 25, 2023
6-K 6-K 0000950170-23-049514 Sep 25, 2023
6-K 6-K 0000950170-23-044478 Aug 25, 2023
6-K FORM 6-K 0001292814-23-003674 Aug 22, 2023 Jun 30, 2023
6-K 6-K 0000950170-23-034540 Jul 26, 2023
6-K 6-K 0000950170-23-034202 Jul 25, 2023
6-K 6-K 0001564590-23-007780 Jun 26, 2023
6-K 6-K 0001564590-23-007532 May 31, 2023
6-K 6-K 0001564590-23-007415 May 25, 2023
6-K 6-K 0001292814-23-002261 May 15, 2023 Mar 31, 2023