Recent transactions
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| Jul 13, 2026 | Liu Chitung | CFO, SVP | S Sale | — | $154.89 | $294.3M | filing |
| Jun 30, 2026 | Hu Che-Jen | VP | S Sale | — | $171.30 | $1.7M | filing |
UNITED MICROELECTRON ADR (UMC) insider trading activity (SEC Form 4). Over the trailing 90 days, UMC insiders filed 0 purchases totalling $0 and 2 sales totalling $296.0M — net SELLING of $296.0M. Most recent filing: Jul 13, 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.