Tien-Szu Chen - 18 Mar 2026 Form 3 Insider Report for ASE Technology Holding Co., Ltd. (ASX)

Signature
/s/ Georgette Yeh, attorney-in-fact for Tien-Szu Chen
Issuer symbol
ASX
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 14:24:27 UTC

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Chen Tien-Szu GM, ASE Inc. Chung-Li Branch 550, CHUNG-HWA ROAD, SECTION 1, TAOYUAN CITY, TAIWAN /s/ Georgette Yeh, attorney-in-fact for Tien-Szu Chen 18 Mar 2026 0002116549

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding ASX Ordinary Shares 2,781,821 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 300,000 $41.10 Direct F1, F2
* 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.

Remarks:

Exhibit List - Exhibit 24.1 - Power of Attorney