ASE Technology Holding Co., Ltd. officer Chung Chih-Hsiao filed a Form 4 on November 3, 2026, disclosing the exercise of 300,000 stock options in the company's ordinary shares on October 30, 2026.

Key Highlights

  • Transaction: Chung Chih-Hsiao, GM of ASE Japan and Wuxi Tongzhi, exercised 300,000 stock options (transaction code M) on October 30, 2026.
  • Exercise price: The option exercise price is NT$98.6, denominated in New Taiwan dollars, adjusted from NT$99.7 to NT$98.6 on July 11 due to a cash dividend distribution.
  • Post-transaction ownership: Following the exercise, Chung directly beneficially owned 725,000 ordinary shares.
  • Remaining derivative securities: 200,000 stock options remain beneficially owned directly following the transaction.
  • Option grant details: The exercised options were granted on August 18, 2023, and vest in seven semi-annual installments, with an expiration date of August 17, 2033.
  • Price of derivative security: The filing reports the price of the derivative security as $0.

Chung Chih-Hsiao's October 2026 Option Exercise at ASE Technology

According to the filing, Chung Chih-Hsiao, an officer serving as GM of ASE Japan and Wuxi Tongzhi at ASE Technology Holding Co., Ltd. (NYSE:ASX), exercised 300,000 stock options in ordinary shares on October 30, 2026. The transaction is coded "M," indicating the acquisition of shares through the exercise of a derivative security. The exercise price is listed as NT$98.6, with the filing noting that the price reflects New Taiwan dollars and was adjusted from NT$99.7 to NT$98.6 on July 11 due to a cash dividend distribution.

The filing discloses that following the reported transaction, Chung directly beneficially owned 725,000 ordinary shares. The options exercised were originally granted on August 18, 2023, and vest in seven semi-annual installments. According to the filing, 40% vested on August 18, 2025; 10% on February 18, 2026; and 10% on August 18, 2026. The remaining installments are described as vesting at 10% each on February 18, 2027, August 18, 2027, February 18, 2028, and August 18, 2028, with the options set to expire on August 17, 2033.

After the exercise, the filing reports that 200,000 stock options (rights to buy ordinary shares) remain directly beneficially owned by Chung. The price of the derivative security at the time of the transaction is reported as $0. The Form 4 was signed by Georgette Yeh as attorney-in-fact for Chih-Hsiao Chung and filed on November 3, 2026.

What Was Disclosed

Chung Chih-Hsiao, an officer of ASE Technology Holding Co., Ltd., disclosed the exercise of 300,000 stock options at an exercise price of NT$98.6 on October 30, 2026, leaving 200,000 options and 725,000 ordinary shares directly beneficially owned.