United Microelectronics UMC SEC Filings

NYSE UMC
$18.80 +0.27 (+1.46%)
As of: Oct 23, 2026 · 3:28 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing United Microelectronics Corp (UMC) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
16-KCurrent Report0001193125-26-414888Oct 6, 2026 6:02 AM
26-K/AOthers0001193125-26-413417Oct 5, 2026 9:48 AM
36-KCurrent Report0001193125-26-413371Oct 5, 2026 9:27 AM
46-KCurrent Report0001193125-26-405903Sep 29, 2026 6:03 AM
54Insider Transaction0001193125-26-397195Sep 22, 2026 10:11 AM
63Insider Transaction0001193125-26-395009Sep 18, 2026 10:14 AM
74Insider Transaction0001193125-26-393652Sep 17, 2026 10:07 AM
84Insider Transaction0001193125-26-384273Sep 8, 2026 10:01 AM
96-KCurrent Report0001193125-26-382689Sep 4, 2026 10:03 AM
106-KCurrent Report0001193125-26-379275Sep 2, 2026 6:03 AM
116-KCurrent Report0001193125-26-365826Aug 26, 2026 10:20 AM
126-KCurrent Report0001193125-26-350180Aug 14, 2026 6:02 AM
136-KCurrent Report0001193125-26-336498Aug 6, 2026 10:02 AM
146-KCurrent Report0001193125-26-333718Aug 5, 2026 10:01 AM
156-KCurrent Report0001193125-26-324785Jul 30, 2026 6:01 AM
166-KCurrent Report0001193125-26-322030Jul 29, 2026 6:15 AM
176-KCurrent Report0001193125-26-322027Jul 29, 2026 6:13 AM
186-KCurrent Report0001193125-26-309462Jul 21, 2026 10:03 AM
196-KCurrent Report0001193125-26-303966Jul 15, 2026 10:01 AM
206-KCurrent Report0001193125-26-302459Jul 14, 2026 10:15 AM
214Insider Transaction0001193125-26-301380Jul 13, 2026 10:04 AM
226-KCurrent Report0001193125-26-295459Jul 6, 2026 10:01 AM
234Insider Transaction0001193125-26-291233Jun 30, 2026 1:48 AM
246-KCurrent Report0001193125-26-286731Jun 29, 2026 10:02 AM
256-KCurrent Report0001193125-26-278424Jun 23, 2026 10:02 AM
266-KCurrent Report0001193125-26-276606Jun 22, 2026 10:03 AM
276-KCurrent Report0001193125-26-274873Jun 18, 2026 10:01 AM
286-KCurrent Report0001193125-26-271747Jun 16, 2026 10:02 AM
296-KCurrent Report0001193125-26-258291Jun 5, 2026 10:02 AM
306-KCurrent Report0001193125-26-254481Jun 3, 2026 6:02 AM
31SDOthers0001193125-26-246194May 29, 2026 6:07 AM
326-KCurrent Report0001193125-26-240337May 27, 2026 6:01 AM-
336-KCurrent Report0001193125-26-231655May 20, 2026 6:01 AM
346-KCurrent Report0001193125-26-225017May 15, 2026 10:00 AM
356-KCurrent Report0001193125-26-220535May 13, 2026 10:29 AM
366-KCurrent Report0001193125-26-218058May 12, 2026 6:12 AM
376-KCurrent Report0001193125-26-215564May 11, 2026 10:01 AM
386-KCurrent Report0001193125-26-215564May 11, 2026 10:01 AM
393Insider Transaction0001193125-26-210209May 7, 2026 10:27 AM
403Insider Transaction0001193125-26-210209May 7, 2026 10:27 AM
413Insider Transaction0001193125-26-210209May 7, 2026 10:27 AM
423Insider Transaction0001193125-26-210206May 7, 2026 10:26 AM
433Insider Transaction0001193125-26-210206May 7, 2026 10:26 AM
443Insider Transaction0001193125-26-210206May 7, 2026 10:26 AM
453Insider Transaction0001193125-26-210203May 7, 2026 10:25 AM
463Insider Transaction0001193125-26-210203May 7, 2026 10:25 AM
473Insider Transaction0001193125-26-210203May 7, 2026 10:25 AM
483Insider Transaction0001193125-26-210200May 7, 2026 10:24 AM
493Insider Transaction0001193125-26-210200May 7, 2026 10:24 AM
503Insider Transaction0001193125-26-210200May 7, 2026 10:24 AM
...

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