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Liu Chitung's Form 4 filing

United Microelectronics Corp (UMC) · filed Sep 8, 2026

Accession no.
0001193125-26-384273
Filed
Sep 8, 2026, 6:01 AM ET
Trade date
Sep 7, 2026
Filing delay
1 day
Rule 10b5-1 plan
Not checked

This filing lists 2 non-derivative transactions. It was filed 1 day after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Liu ChitungCIK 0002120081Officer (CFO & SVP)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Sep 7, 2026Common SharesJOtherAcquired+1,000,000$0.00$04,322,917Direct
Sep 7, 2026Common SharesJOtherDisposed−1,000,000$0.00$01,000,000Indirect

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

No transaction price on this filing refers to a footnote.

Read the full filing on SEC EDGAR (opens in a new tab)