A statement of changes in beneficial ownership was filed on September 9, 2026, disclosing that Tsai Chi-Wen, an officer of ASE Technology Holding Co., Ltd., acquired 334,000 ordinary shares on September 7, 2026.

Key Highlights

  • Reporting person: Tsai Chi-Wen, serving as Chairman and President of SPIL, a role at ASE Technology Holding Co., Ltd.
  • Transaction: Acquisition of 334,000 ordinary shares on September 7, 2026, at a price of $0.
  • Resulting ownership: Tsai Chi-Wen directly holds 15,598,000 ordinary shares following the transaction.
  • Transaction code: Code "A" (acquisition), with no derivative securities involved in the reported transaction.
  • Filing signed: Georgette Yeh, acting as attorney-in-fact for Chi-Wen Tsai, signed the filing on September 9, 2026.

Tsai Chi-Wen's Share Acquisition at ASE Technology Holding

According to the filing, Tsai Chi-Wen holds the title of Chairman and President of SPIL and is classified as an officer of ASE Technology Holding Co., Ltd. (NYSE:ASX), a company involved in semiconductor packaging and testing services. The filing reports a single non-derivative securities transaction dated September 7, 2026, in which Tsai Chi-Wen acquired 334,000 ordinary shares at a reported price of $0, indicating the shares were received at no direct monetary cost to the reporting person.

Following this acquisition, according to the filing, Tsai Chi-Wen directly holds 15,598,000 ordinary shares of ASE Technology Holding Co., Ltd. The ownership is reported as direct. No derivative securities, such as options or warrants, were reported as acquired, disposed of, or held in Table II of the filing. The filing was submitted by one reporting person and was not identified as an amendment to a prior filing.

The statement was signed on September 9, 2026, by Georgette Yeh, identified in the filing as attorney-in-fact for Chi-Wen Tsai. The filing was made pursuant to Section 16(a) of the Securities Exchange Act of 1934, which requires officers, directors, and significant shareholders to disclose changes in their beneficial ownership of company securities.

What Was Disclosed

The filing disclosed that officer Tsai Chi-Wen acquired 334,000 ordinary shares of ASE Technology Holding Co., Ltd. on September 7, 2026, at a price of $0, bringing total direct beneficial ownership to 15,598,000 ordinary shares.