Chitung Liu, CFO & SVP at UNITED MICROELECTRONICS CORP (UMC), sold 1,900,000 shares at $154.89 ($294.3M) on 2026-07-13, disclosed to the SEC on 2026-07-13.
Open-market sale of $294.3M UMC by CFO & SVP. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.