SEC Form 4 insider trading filings tracked in real time from EDGAR

UNITED MICROELECTRONICS CORP (UMC) — Insider Trading

Insider trading activity for UNITED MICROELECTRONICS CORP sourced from SEC EDGAR Form 4 filings.

Overview

  • Total insider trades: 5
  • Last trade date: Sep 22, 2026
  • Ticker: UMC

Top Insiders

  • Liu Chitung (CFO & SVP) — 3 trades, buy: $0, sell: $228.8M
  • HU CHE-JEN (Vice President) — 1 trades, buy: $0, sell: $1.7M
  • LIN JEN-TSUNG (Vice President) — 1 trades, buy: $0, sell: $1.6M

Recent Trades

DateInsiderTicker / Company TypeSharesValue
Sep 22, 2026 LIN JEN-TSUNG UMC UNITED MICROELECTRONICS CORP SELL 10,000 $1.6M
Sep 17, 2026 Liu Chitung UMC UNITED MICROELECTRONICS CORP SELL 400,000 $58.0M
Sep 16, 2026 Liu Chitung UMC UNITED MICROELECTRONICS CORP SELL 1,200,000 $170.8M
Sep 7, 2026 Liu Chitung UMC UNITED MICROELECTRONICS CORP OTHER 1,000,000 N/A
Jun 30, 2026 HU CHE-JEN UMC UNITED MICROELECTRONICS CORP SELL 10,000 $1.7M

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