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UMC insider trading

UNITED MICROELECTRONICS CORP — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
0
Bought · 24 mo
$0
Buys · last 90 days
0 · $0
Most recent buy
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Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-09-22LIN JEN-TSUNG
Vice President
Sold10,000$163.00$1.6M
2026-09-17Liu Chitung
CFO & SVP
Sold1,600,000$143.00$228.8M
2026-07-13Liu Chitung
CFO & SVP
Sold1,900,000$154.89$294.3M
2026-06-30HU CHE-JEN
Vice President
Sold10,000$171.30$1.7M

See UMC on the chart

Every insider buy and sell for UMC plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.