Chih-Hsiao Chung - 18 Mar 2026 Form 3 Insider Report for ASE Technology Holding Co., Ltd. (ASX)

Role
GM, ASE Japan & Wuxi Tongzhi
Signature
/s/ Georgette Yeh, attorney-in-fact for Chih-Hsiao Chung
Issuer symbol
ASX
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 16:36:51 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Chung Chih-Hsiao GM, ASE Japan & Wuxi Tongzhi 1863, OOAZAIRYUDA, TAKAHATA-MACHI, HIGASHIOKITAMA-GUN, YAMAGATA, JAPAN /s/ Georgette Yeh, attorney-in-fact for Chih-Hsiao Chung 18 Mar 2026 0002116851

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding ASX Ordinary Shares 31,000 18 Mar 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding ASX Stock Option (Right to Buy) 18 Mar 2026 Ordinary Shares 365,000 $41.10 Direct F1, F2
holding ASX Stock Option (Right to Buy) 18 Mar 2026 Ordinary Shares 500,000 $99.70 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable.
F2 The option exercise price reflects New Taiwan dollars.
F3 Reflects stock options to purchase Ordinary Shares. These stock options were granted on August 18, 2023 and vest in seven semi-annual installments. 40% of the options vested on August 18, 2025, 10% of the options vested on February 18, 2026, and the remaining installments will vest at 10% each on August 18 2026, February 18, 2027, August 18, 2027, February 18, 2028 and August 18, 2028.

Remarks:

Exhibit List - Exhibit 24.1 - Power of Attorney