ASE Technology Director Jeffrey Chen Sells 27,000 Shares Over Three Days

This Form 4 filing reports that Jeffrey Chen, a director of ASE Technology Holding Co., Ltd. (ASX), sold 27,000 ordinary shares over three consecutive days in May 2026. The transactions occurred on May 19 (9,000 shares at NT$483), May 20 (9,000 shares at NT$477), and May 21 (9,000 shares at NT$505). The sales were made indirectly through Chen's spouse, with Chen disclaiming beneficial ownership except to the extent of his pecuniary interest. Following these transactions, Chen's indirect holdings decreased to 29,000 shares, while his direct holdings remained at 2,383,000 shares. The filing was signed by attorney-in-fact Georgette Yeh on May 21, 2026.