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UMCUnited Microelectronics Corp

Chitung Liu

CFO & SVP at United Microelectronics Corp, as of Sep 17, 2026Sold $523M of stock since March 18, 2026: 100% with no plan disclosed.

Updated Oct 16, 2026 from SEC filings · covers Mar 18, 2026 to Oct 16, 2026

Officers and directors of non-US companies only began filing Forms 3 and 4 on March 18, 2026 (a new SEC rule), so this page covers the period since then. Their 10% holders still do not file. The SEC rule

3.50M
shares sold, since March 18, 2026
3
days with sales
$294M
largest single day, Jul 13, 2026
1
company filed for

Share of stake sold and shares held at United Microelectronics Corp are being verified and not shown yet. Why

Selling by month

Mar 2026 to Oct 2026. Each sale is counted once: under a disclosed plan, else to cover taxes, else no plan disclosed.

No plan disclosedOne dollar scale for every month; the tallest bar is labeled
MarAprMayJunJul 2026: $294M no plan disclosed$294MJulAugSep 2026: $229M no plan disclosedSepOct

Pattern

What the filings show, since March 18, 2026. Nothing here rates or predicts.

Roles from filings

Every company we track where this person has filed, newest filing first.

CompanyTitleFirst filingLatest filing
United Microelectronics Corp (UMC)CFO & SVPMar 18, 2026Sep 17, 2026

Recent filings

The last 4 days with transactions, newest first, one line per trade date. Each number links to an SEC filing.

This page shows only what this person reported on SEC ownership filings. See the methodology. Spotted something wrong? Report an error.