United Microelectronics UMC SEC Filings

NYSE UMC
$22.64 +0.54 (+2.44%)
At close: Sep 11, 2026 · 4:00 PM EDT
EDGAR Disclosures

Regulatory Filings

Source SEC EDGAR

Every regulatory document United Microelectronics Corp (UMC) has filed with the SEC, 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 Group Accession Date Filing Index