Chien Shen Chang - 18 Mar 2026 Form 3 Insider Report for ASE Technology Holding Co., Ltd. (ASX)

Role
Director
Signature
/s/ Georgette Yeh, attorney-in-fact for Chien Shen Chang
Issuer symbol
ASX
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 16:24:51 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Chang Chien Shen Director ROOM 1901, NO. 333, SECTION 1 KEELUNG RD., TAIPEI, TAIWAN /s/ Georgette Yeh, attorney-in-fact for Chien Shen Chang 18 Mar 2026 0002111678

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding ASX Ordinary Shares 1,747,647 18 Mar 2026 Direct
holding ASX Ordinary Shares 684,327,886 18 Mar 2026 By ASE Enterprises Limited
holding ASX Ordinary Shares 265,024,820 18 Mar 2026 By Value Tower Ltd.

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 3,000,000 $41.10 Direct F1, F2
holding ASX Stock Option (Right to Buy) 18 Mar 2026 Ordinary Shares 3,000,000 $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