ASE Technology Holding Chief Administration Officer Sells 10,000 Shares in June 2026

This Form 4 filing reports that Uang Du-Tsuen, Chief Administration Officer of ASE Technology Holding Co., Ltd. (ASX), sold 10,000 ordinary shares in June 2026. The transactions occurred on June 1, 2026 (5,000 shares at NT$607 per share) and June 3, 2026 (5,000 shares at NT$617 per share). Following these sales, Uang's direct holdings decreased from 788,000 shares to 778,000 shares. The filing indicates these are direct ownership transactions and the sales were executed at market prices in New Taiwan Dollars. This represents a routine insider trading disclosure showing the officer's reduction in company stock holdings during the reporting period.