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United Microelectronics Corp Initial Statement of Ownership Filed by CHRO & VP

Low SignificanceSeptember 18, 2026 at 11:08:26 AM UTC

UNITED MICROELECTRONICS CORP

$UMC3CIK: 0001033767

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Filing Summary

Form 3 Initial Statement of Ownership Issuer: UNITED MICROELECTRONICS CORP ($UMC) Insider: YEN HUNG-YU (CHRO & VP) Date of Event: 2026-09-11 Shares Reported: 339,682 Common Shares (Direct) Note: Includes 337,500 shares of Restricted Stock Awards (RSAs) vesting annually through 2029.

Comprehensive Analysis

Executive Summary

On September 18, 2026, YEN HUNG-YU, Chief Human Resources Officer and Vice President of UNITED MICROELECTRONICS CORP ($UMC), filed an initial Form 3 statement of beneficial ownership. The filing establishes an initial direct holding of 339,682 Common Shares as of the event date of September 11, 2026.

Holdings Breakdown

  • Security: Common Shares
  • Direct Ownership: 339,682 shares
  • Footnote Disclosure: Of the reported total, 337,500 shares represent Restricted Stock Awards (RSAs), scheduled to vest annually on December 5 across the years 2026 through 2029.

Market & Governance Context

As an initial Form 3 filing disclosing baseline equity ownership upon executive status, this filing does not reflect open-market buying or selling activity. Consequently, the trading significance is rated Low.

Topics:#UMC#Semiconductors#InsiderTrading#SEC#Form3

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