TOP TIERMARKET NEWSWIRE
SEC Form 4 history

UNITED MICROELECTRON ADR (UMC) insider trades

UNITED MICROELECTRON ADR (UMC) insider trading activity (SEC Form 4). Over the trailing 90 days, UMC insiders filed 0 purchases totalling $0 and 4 sales totalling $526.4M — net SELLING of $526.4M. Most recent filing: Sep 22, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.

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Buys (90d)
0
$0
Sells (90d)
4
$526.4M
Net (90d)
-$526.4M
net selling
Most recent
Sep 22, 2026

Recent transactions

FiledInsiderRoleTypeSharesPriceValue
Sep 22, 2026Lin Jen-TsungVPS Sale—$163.00$1.6Mfiling
Sep 17, 2026Liu ChitungCFO, SVPS Sale—$143.00$228.8Mfiling
Jul 13, 2026Liu ChitungCFO, SVPS Sale—$154.89$294.3Mfiling
Jun 30, 2026Hu Che-JenVPS Sale—$171.30$1.7Mfiling