Form 4 Filing for ASE Technology Holding Co., Ltd.

This filing details a transaction by Uang Du-Tsuen, the Chief Administration Officer of ASE Technology Holding Co., Ltd. On July 22, 2026, Mr. Uang disposed of 3,000 ordinary shares at a price of 665.00 New Taiwan Dollars per share. Following this transaction, Mr. Uang owns 751,000 ordinary shares. The filing was signed on July 24, 2026, by an attorney-in-fact for Mr. Uang. The company's issuer CIK is 0001122411 and its trading symbol is ASX.