United Microelectronics Chief Financial Officer Liu Chitung sold 1.6 million shares on September 16 and 17, 2026.
Liu sold 1.2 million shares at an average price of NT$142.333 on September 16.
The executive sold an additional 400,000 shares at a price of NT$145 on September 17.
Following these transactions, Liu retains 150,000 common shares held indirectly by a spouse.
Liu also maintains 1,000,000 shares held in a trust.