Che-Jen Hu - 30 Jun 2026 Form 4 Insider Report for UNITED MICROELECTRONICS CORP (UMC)

Reporting relationship: Vice President
Issuer ticker: UMC
Reported as of: 30 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 30 Jun 2026, 21:48:56 UTC
Prior SEC filing: 07 May 2026
Source filing: View source filing
Reporting owner signature: /s/Chitung Liu, attorney-in-fact

Key filing fact

Che-Jen Hu filed Form 4 for UNITED MICROELECTRONICS CORP (UMC) on 30 Jun 2026.

Key facts

This page summarizes Che-Jen Hu's Form 4 filing for UNITED MICROELECTRONICS CORP (UMC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 30 Jun 2026, 21:48.

Change

Previous filing in this sequence was filed on 07 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002133608 Primary reporting owner

HU CHE-JEN

Relationship: Vice President
Address: 8F, NO.68, SEC. 1, NEIHU RD.,, TAIPEI, TAIWAN
Signature: /s/Chitung Liu, attorney-in-fact
Signature date: 30 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

UMC transaction

Common Shares

Sale

Transaction value
Shares: -10,000
Change %: -0.31%
Price: $171.30^*
Shares after: 3,214,080
Date: 30 Jun 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

New Taiwan Dollars

Footnote F2

Includes 828,800 shares of Restricted Stock Award (RSA) and a specified number of shares subject to the RSA will vest annually on December 5 from 2026 to 2029.