ASX / ASE Technology Holding Co., Ltd. - Depositary Receipt (Common Stock) - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

ASE Technology Holding Co., Ltd. - Depositary Receipt (Common Stock)
US ˙ NYSE ˙ US00215W1009

Mga Batayang Estadistika
CIK 1122411
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to ASE Technology Holding Co., Ltd. - Depositary Receipt (Common Stock)
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 11, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August, 2025 Commission File Number 001-16125 ASE Technology

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executi

July 31, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July, 2025 Commission File Number 001-16125 ASE Technology H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executive

July 31, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July, 2025 Commission File Number 001-16125 ASE Technology H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executive

July 10, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July, 2025 Commission File Number 001-16125 ASE Technology H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executive

June 10, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June, 2025 Commission File Number 001-16125 ASE Technology H

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executive

May 29, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter) Taiwan, Republic of China 001-16125 (State or other jurisdiction of incorporation) (Commission file number) 26, Chin 3rd Rd., Nanzih Dist., Kaohsiung, Taiwan, Republic of China (Address of principal

May 29, 2025 EX-1.01

ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2024

Exhibit 1.01 ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2024 Corporate Overview ASE Technology Holding Co., Ltd. (“ASEH”, “we”, “our”, or “us”) is the leading provider of semiconductor manufacturing services in assembly and testing, and the provider of electronic manufacturing services. ASEH packages bare semiconductors into finished semiconductors wi

May 9, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 9, 2025 Commission File Number 001-16125 ASE Technology

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 9, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executiv

April 30, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 30, 2025 Commission File Number 001-16125 ASE Technolo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 30, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

April 30, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 30, 2025 Commission File Number 001-16125 ASE Technolo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 30, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

April 21, 2025 EX-99.1

ASE Technology Holding Co., Ltd. Announces Monthly Net Revenues*

Exhibit 99.1 Investor Relations Contact: [email protected] Tel: +886.2.6636.5678 https://www.aseglobal.com ASE Technology Holding Co., Ltd. Announces Monthly Net Revenues* Taipei, Taiwan, R.O.C., april 10, 2025 – ASE Technology Holding Co., Ltd. (NYSE: ASX, TAIEX: 3711, “ASEH” or the “Company”), announces its revised unaudited consolidated net revenues for March and 1st quarter of 2025. Consolidate

April 21, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 10, 2025 Commission File Number 001-16125 ASE Technolo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 10, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

April 7, 2025 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 7, 2025 Commission File Number 001-16125 ASE Technol

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 7, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exec

April 1, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 1, 2025 Commission File Number 001-16125 ASE Technolog

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 1, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

March 31, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 31, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 31, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

March 27, 2025 EX-13.(A)

Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13(A) Exhibit 13(a) Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Securities and Exchange Commission 100 F Street, N.

March 27, 2025 EX-13.(B)

Certification by the Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13(B) Exhibit 13(b) Certification by the Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Securities and Exchange Commission 100 F Street, N.

March 27, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐     REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒     ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐     REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒     ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐     TRANSITION REPORT PURSUANT TO SECTION 1

March 27, 2025 EX-12.(B)

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12(B) Exhibit 12(b) Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Joseph Tung, certify that: 1.

March 27, 2025 EX-15

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos.

March 27, 2025 EX-12.(A)

Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12(A) Exhibit 12(a) Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jason C.

March 27, 2025 EX-11

ASE Technology Holding Co., Ltd. Administrative and Practice Procedures to Prevent Insider Trading Article 1 The Administrative and Practice Procedures to Prevent Insider Trading (the “Procedures”) are established pursuant to the Article 10 of the Co

Exhibit 11 ASE Technology Holding Co., Ltd. Administrative and Practice Procedures to Prevent Insider Trading Article 1 The Administrative and Practice Procedures to Prevent Insider Trading (the “Procedures”) are established pursuant to the Article 10 of the Corporate Governance Best Practice Principles of ASE Industrial Holding Co., Ltd. (the “Company”) and for the purpose of preventing circumsta

March 10, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 10, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 10, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

February 13, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 13, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 13, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal ex

February 13, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 13, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 13, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal ex

February 10, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 7, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 7, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

February 7, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 7, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 7, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

January 10, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 January 10, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 January 10, 2025 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

December 10, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 10, 2024

6-K 1 dp2218626k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 10, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of

November 12, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 11, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 11, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal ex

October 31, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 31, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 31, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

October 31, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 31, 2024

6-K 1 dp2201066k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 31, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of C

October 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 9, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 9, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exec

September 10, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 September 10, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 September 10, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal e

August 15, 2024 EX-FILING FEES

CALCULATION OF FILING FEE TABLES ASE Technology Holding Co., Ltd. Table 1: Newly Registered and Carry Forward Securities

Ex-Filing Fees CALCULATION OF FILING FEE TABLES S-8 ASE Technology Holding Co., Ltd. Table 1: Newly Registered and Carry Forward Securities Line Item Type Security Type Security Class Title Notes Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Newly Registered Securities Fees to be Paid Equity Comm

August 15, 2024 S-8

As filed with the Securities and Exchange Commission on August 15, 2024

As filed with the Securities and Exchange Commission on August 15, 2024 Registration No.

August 15, 2024 EX-99.1

ASE Technology Holding Co., Ltd. 2024 Restricted Stock Awards Plan

Exhibit 99.1 ASE Technology Holding Co., Ltd. 2024 Restricted Stock Awards Plan Article 1: Purpose To attract and retain talents, motivate and engage employees for the best interest of the Company and its shareholders, so as to ensure the alignment of the employees’ and shareholders’ interests, and to ensure the alignment of the Company’s operating goals with its Environmental, Social, and Corpora

August 15, 2024 EX-4.1

ASE Technology Holding Co., Ltd. Articles of Incorporation Chapter One: General Principals

Exhibit 4.1 ASE Technology Holding Co., Ltd. Articles of Incorporation Chapter One: General Principals Article 1. The Company is called 日月光投資控股股份有限公司 and is registered as a company limited by shares according to the ROC Company Act. The English name of the Company is ASE Technology Holding Co., Ltd. Article 2. The Company is engaged in the following businesses: H201010 General Investment Business.

August 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 9, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 9, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

July 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 25, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 25, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

July 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 25, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 25, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

July 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 8, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 8, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executi

June 11, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 11, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 11, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

May 31, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter) Taiwan, Republic of China 001-16125 (State or other jurisdiction of incorporation) (Commission file number) 26, Chin 3rd Rd., Nanzih Dist., Kaohsiung, Taiwan, Republic of China (Address of principal

May 31, 2024 EX-1.01

ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2023

Exhibit 1.01 ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2023 Corporate Overview ASE Technology Holding Co., Ltd. (“ASEH”, “we”, “our”, or “us”) is the leading provider of semiconductor manufacturing services in assembly and testing, and the provider of electronic manufacturing services. ASEH packages bare semiconductors into finished semiconductors wi

May 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 9, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 9, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executiv

May 8, 2024 EX-1

JOINT FILING AGREEMENT

EX-1 2 dp210911ex01.htm EXHIBIT 1 EXHIBIT 1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including any amendments thereto) with respect to the Common Stock of Ainos, Inc. and further agree that this Agreement be included a

May 8, 2024 SC 13D

AIMD / Ainos, Inc. / ADVANCED SEMICONDUCTOR ENGINEERING INC - FORM SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* Ainos, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 00902F303 (CUSIP Number) Joseph Tung Room 1901, No. 333, Section 1 Keelung Rd. Taipei, 110, Taiwan, Republic of China Tel: +886-2-6636-5678 (Name, Address

April 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 25, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 25, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

April 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 25, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 25, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

April 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 9, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 9, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

April 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 8, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 8, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

April 3, 2024 EX-15.B

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-15(b) Exhibit 15(b) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos.

April 3, 2024 EX-97

ASE TECHNOLOGY HOLDING CO., LTD. COMPENSATION RECOUPMENT POLICY

EX-97 Exhibit 97 ASE TECHNOLOGY HOLDING CO., LTD. COMPENSATION RECOUPMENT POLICY This Compensation Recoupment Policy (the “Policy”) has been adopted by the compensation committee of the Board of Directors (the “Board”) of ASE Technology Holding Co., Ltd. (the “Company”) on November 28, 2023. This Policy provides for the recoupment of certain executive compensation in the event of an accounting res

April 3, 2024 EX-12.B

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12(b) Exhibit 12(b) Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Joseph Tung, certify that: 1.

April 3, 2024 EX-13.B

Certification by the Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13(b) Exhibit 13(b) Certification by the Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Securities and Exchange Commission 100 F Street, N.

April 3, 2024 EX-12.A

Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

EX-12(a) Exhibit 12(a) Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jason C.

April 3, 2024 EX-15.A

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-15(a) Exhibit 15(a) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos.

April 3, 2024 EX-13.A

Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EX-13.A Exhibit 13(a) Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Ladies and Gentlemen: In connection with the annual report of on Form 20-F ASE Technology Holding Co., Ltd. (the “Company”) for the year ended December 31, 2023 (the “Report”), I, Jason C.S. Cha

April 3, 2024 20-F

  UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF TH

Table of Contents   UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 27, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 27, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

March 11, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 11, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 11, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

February 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 22, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 22, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal ex

February 15, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 15, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 15, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal ex

February 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 1, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 1, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

February 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 1, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 1, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

January 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 January 9, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 January 9, 2024 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exec

December 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 11, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 11, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal ex

November 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 9, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 9, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

October 27, 2023 S-8

As filed with the Securities and Exchange Commission on October 27, 2023

Form S-8 As filed with the Securities and Exchange Commission on October 27, 2023 Registration No.

October 27, 2023 EX-FILING FEES

Calculation of Filing Fee Tables Form S-8 (Form Type) ASE Technology Holding Co., Ltd. (Exact Name of Registrant as Specified in its Charter (English Translation)) Table 1: Newly Registered Securities Security Type Security Class Title(1) Fee Calcula

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) ASE Technology Holding Co.

October 27, 2023 EX-99.1

ASE Technology Holding Co., Ltd. 2023 Employee Stock Option Plan (Translation of Chinese)

EX-99.1 Exhibit 99.1 ASE Technology Holding Co., Ltd. 2023 Employee Stock Option Plan (Translation of Chinese) 1. Purpose The 2023 Employee Stock Option Plan (the “Plan”) of ASE Technology Holding Co., Ltd. (the “Company”) is made for the purposes of attracting professionals needed by the Company, encouraging employees, increasing employees’ recognition of the Company and creating more profits for

October 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 26, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 26, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

October 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 26, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 26, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

October 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 11, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 11, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

September 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 September 11, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 September 11, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal e

August 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 9, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 9, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

July 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 27, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 27, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

July 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 27, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 27, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

July 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 10, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 10, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

June 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 9, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 9, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executi

June 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 9, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 9, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executi

June 9, 2023 EX-99

EX-99

TWSE: 3711 NYSE: ASX Notice to readers This English-version annual report is a summary translation of the Chinese version and is not an official document of the shareholders’ meeting.

June 7, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 7, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 7, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executi

May 31, 2023 EX-1.01

ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2022

Exhibit 1.01 ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2022 Corporate Overview ASE Technology Holding Co., Ltd. (“ASEH”, “we”, “our”, or “us”) is the leading provider of semiconductor manufacturing services in assembly and testing, and the provider of electronic manufacturing services. ASEH packages bare semiconductors into finished semiconductors wi

May 31, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter) Taiwan, Republic of China 001-16125 (State or other jurisdiction of incorporation) (Commission file number) 26, Chin 3rd Rd., Nanzih Dist., Kaohsiung, Taiwan, Republic of China (Address of principal

May 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 26, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 26, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executi

May 16, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 16, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 16, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executi

May 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 9, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 9, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executiv

April 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 27, 2023

6-K 1 dp1928456k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 27, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of Chi

April 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 27, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 27, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

April 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 11, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 11, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

April 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 11, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 11, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

April 10, 2023 EX-15.B

*Consent of PricewaterhouseCoopers, Taiwan.

Exhibit 15(b) Exhibit 15(b) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos.

April 10, 2023 EX-13.B

Certification of the Chief Financial Officer required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13(b) Exhibit 13(b) Certification by the Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Securities and Exchange Commission 100 F Street, N.

April 10, 2023 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) O

April 10, 2023 EX-15.A

*Consent of Deloitte & Touche.

EX-15.A 7 d418771dex15a.htm EXHIBIT 15(A) Exhibit 15(a) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement on Forms S-8 (Nos. 333-263006, 333-229860 and 333-208276) of ASE Technology Holding Co., Ltd. of our reports dated March 20, 2023, relating to the consolidated financial statements of ASE Technology Holding Co., Ltd.

April 10, 2023 EX-13.A

Certification of the Principal Executive Officer required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

Exhibit 13(a) Exhibit 13(a) Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Securities and Exchange Commission 100 F Street, N.

April 10, 2023 EX-12.A

*Certification of Jason C.S. Chang, required by Rule 13a-14(a) of the Exchange Act.

Exhibit 12(a) Exhibit 12(a) Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jason C.

April 10, 2023 EX-12.B

*Certification of Joseph Tung, required by Rule 13a-14(a) of the Exchange Act.

Exhibit 12(b) Exhibit 12(b) Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Joseph Tung, certify that: 1.

March 30, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 30, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 30, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

March 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 9, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 9, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

February 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 9, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 9, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

February 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 9, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 9, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

February 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 9, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 9, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

February 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 9, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 9, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

January 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 January 10, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 January 10, 2023 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

December 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 9, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 9, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

November 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 9, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 9, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

October 27, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 27, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 27, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

October 27, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 27, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 27, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

October 11, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 11, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 11, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

September 12, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 September 12, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 September 12, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal e

August 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 9, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 9, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

July 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 28, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 28, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

July 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 28, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 28, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

July 11, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 11, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 11, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

June 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 9, 2022

6-K 1 dp1749826k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 9, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China

May 31, 2022 EX-1.01

ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2021

EX-1.01 2 dp173253ex0101.htm EXHIBIT 1.01 Exhibit 1.01 ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2021 Corporate Overview ASE Technology Holding Co., Ltd. (“ASEH”, “we”, “our” or “us”) is the leading provider of semiconductor manufacturing services in assembly and testing. ASEH develops and offers complete turnkey solutions covering front-end engineer

May 31, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter) Taiwan, Republic of China 001-16125 (State or other jurisdiction of Incorporation or organization) (Commission File Number) (IRS Employer Identification No.) 26, Chin 3rd Road Nanzih District Kaohsi

May 10, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 10, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 10, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executi

April 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 28, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 28, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

April 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 28, 2022

6-K 1 dp1719096k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 28, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of Chi

April 11, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 11, 2022

6-K 1 dp1708826k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 11, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of Chi

March 30, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 30, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 30, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execu

March 29, 2022 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) O

March 29, 2022 EX-12.B

*Certification of Joseph Tung, required by Rule 13a-14(a) of the Exchange Act.

Exhibit 12(b) Executive Officers? Certification Pursuant to Section 302 of the Sarbanes-Oxley Act I, Joseph Tung, the Chief Financial Officer of ASE Technology Holding Co.

March 29, 2022 EX-13

*Certification of the Principal Executive Officer and the Chief Financial Officer of ASE Technology Holdings Co. Ltd. required by Rule 13a-14(b) of the Exchange Act and Section 1350 of Chapter 63 of Title 18 of the United States Code.

Exhibit 13 906 Certification The certification set forth below is being submitted in connection with the Annual Report on Form 20-F for the year ended December 31, 2021 (the ?Report?) for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the ?Exchange Act?) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

March 29, 2022 EX-12.A

*Certification of Jason C.S. Chang, required by Rule 13a-14(a) of the Exchange Act.

Exhibit 12(a) Exhibit 12(a) Executive Officers’ Certification Pursuant to Section 302 of the Sarbanes-Oxley Act I, Jason C.

March 29, 2022 EX-4.W

*Sale and Purchase Agreement dated December 1, 2021 between ASEH, Global Advanced Packaging Technology Limited, Alto Enterprises Limited, ASE Investment (Kunshan) Limited and ASE Mauritius Inc., as sellers, and Beijing Wise Road Asset Management Co., Ltd., as purchaser, relating to the disposal of shares and equity interests in GAPT Holding Limited and ASE (Kunshan) Inc.

Exhibit 4(w) Execution Version DATE 1 December 2021 (1) ASE TECHNOLOGY HOLDING CO.

March 29, 2022 EX-2.B

*Description of Securities.

Exhibit 2(b) DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT ASE Technology Holding Co.

March 29, 2022 EX-15.C

*Letter from PricewaterhouseCoopers, Taiwan to the U.S. Securities and Exchange Commission, dated March 29, 2022.

Exhibit 15(c) March 29, 2022 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by ASE Technology Holding Co., Ltd. (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 16F of Form 20-F of ASE Technology Holding Co., Ltd. dated March 29, 2022. We agree with the statem

March 29, 2022 EX-15.A

*Consent of Deloitte & Touche.

EX-15.A 8 d272809dex15a.htm EXHIBIT 15(A) Exhibit 15(a) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement on Forms S-8 (Nos. 333-208276) of Advanced Semiconductor Engineering, Inc. and Form S-8 (No. 333-263006 and 333-229860) of ASE Technology Holding Co., Ltd. of our reports dated March 25, 2022, relating to the consoli

March 29, 2022 EX-15.B

*Consent of PricewaterhouseCoopers, Taiwan.

Exhibit 15(b) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM ?We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos.

March 15, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 15, 2022

6-K 1 dp1692056k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 15, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of Chi

March 9, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 9, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 9, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

February 25, 2022 EX-4.1

Articles of Incorporation of the Registrant (English translation) (incorporating all amendments as of August 12, 2021)

Exhibit 4.1 ASE Technology Holding Co., Ltd. Articles of Incorporation Chapter One: General Principals Article 1. The Company is called ????????????? and is registered as a company limited by shares according to the ROC Company Act. The English name of the Company is ASE Technology Holding Co., Ltd. Article 2. The Company is engaged in the following businesses: H201010 General Investment Business.

February 25, 2022 EX-FILING FEES

Calculation of Filing Fee Tables Form S-8 (Form Type) ASE Technology Holding Co., Ltd. (Exact name of registrant as specified in its charter) Table 1 – Newly Registered Securities

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) ASE Technology Holding Co.

February 25, 2022 EX-99.1

ASE Technology Holding Co., Ltd. 2021 Restricted Stock Awards Plan (English translation).

Exhibit 99.1 ASE Technology Holding Co., Ltd. 2021 Restricted Stock Awards Plan (Translation of Chinese) Article 1: Purpose To attract and retain talents, motivate and engage employees for the best interest of the Company and its shareholders, so as to ensure the alignment of the employees? and shareholders? interests, and to ensure the alignment of the Company?s operating goals with its Environme

February 25, 2022 S-8

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ASE Technology Holding Co., Ltd. (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ASE Technology Holding Co., Ltd. (Exact name of registrant as specified in its charter) Republic of China (State or other jurisdiction of incorporation or organization) N/A (I.R.S. Employer Identification No.) 26, Chin 3rd Road Nanzih District Kaohsiung, Taiwan R

February 10, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 10, 2022

6-K 1 dp1669296k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 10, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of

February 10, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 10, 2022

6-K 1 dp1668726k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 10, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of

February 10, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 10, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 10, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal ex

January 10, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 January 10, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 January 10, 2022 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

December 9, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 9, 2021

6-K 1 dp1634836k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 9, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of C

December 1, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 1, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 1, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

December 1, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 1, 2021

6-K 1 dp1628906k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 1, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of C

November 9, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 9, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 9, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

October 28, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 28, 2021

6-K 1 dp1607316k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 28, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of C

October 28, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 28, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 28, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exe

October 8, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 8, 2021

6-K 1 dp1595856k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 8, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of Ch

September 9, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 September 9, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 September 9, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal ex

August 10, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 10, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 10, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal exec

July 30, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 30, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 30, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

July 29, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 29, 2021

6-K 1 dp1553616k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 29, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of Chin

July 29, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 29, 2021

6-K 1 dp1553756k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 29, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of Chin

July 9, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 9, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 9, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executi

June 10, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 10, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 10, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal execut

June 1, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter) Taiwan, Republic of China 001-16125 (State or other jurisdiction of Incorporation or organization) (Commission File Number) (IRS Employer Identification No.) 26, Chin 3rd Road Kaohsiung, Taiwan Repu

June 1, 2021 EX-1.01

ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2020

Exhibit 1.01 Exhibit 1.01 ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2020 Corporate Overview ASE Technology Holding Co., Ltd. (?ASEH?, ?we?, ?our? or ?us?) is the leading provider of semiconductor manufacturing services in assembly and testing. ASEH develops and offers complete turnkey solutions covering front-end engineering testing, wafer probing an

May 24, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 24, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 24, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26, Chin 3rd Road Kaohsiung, Taiwan Republic of China (Address of principal executi

May 10, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1507966k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 10, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaos

April 28, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1500986k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 28, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Ka

April 28, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 28, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Ch

April 9, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 9, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Chi

April 8, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1491496k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 8, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kao

April 6, 2021 EX-1

*Articles of Incorporation of the Registrant (English translation of Chinese version) (incorporating all amendments as of June 24, 2020).

Exhibit 1 ASE Technology Holding Co., Ltd. Articles of Incorporation Chapter One: General Principals Article 1. The Company is called and is registered as a company limited by shares according to the ROC Company Act. The English name of the Company is ASE Technology Holding Co., Ltd. Article 2. The Company is engaged in the following businesses: H201010 General Investment Business. Article 3. The

April 6, 2021 EX-2.B

*Description of Securities.

Exhibit 2(b) DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT ASE Technology Holding Co.

April 6, 2021 EX-12.A

*Certification of Jason C.S. Chang, required by Rule 13a-14(a) of the Exchange Act.

Exhibit 12(a) Executive Officers? Certification Pursuant to Section 302 of the Sarbanes-Oxley Act I, Jason C.

April 6, 2021 EX-15.A

*Consent of Deloitte & Touche.

EX-15.A 8 dp146696ex15a.htm EXHIBIT 15(A) Exhibit 15(a) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement on Forms S-8 (Nos. 333-208276 and 333-178183) of Advanced Semiconductor Engineering, Inc. and Form S-8 (No. 333-229860) of ASE Technology Holding Co., Ltd. of our reports dated April 1, 2021, relating to the consolid

April 6, 2021 EX-12.B

*Certification of Joseph Tung, required by Rule 13a-14(a) of the Exchange Act.

Exhibit 12(b) Executive Officers’ Certification Pursuant to Section 302 of the Sarbanes-Oxley Act I, Joseph Tung, the Chief Financial Officer of ASE Technology Holding Co.

April 6, 2021 20-F

- FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES E

April 6, 2021 EX-15.B

*Consent of PricewaterhouseCoopers.

EX-15.B 9 dp146696ex15b.htm EXHIBIT 15(B) Exhibit 15(b) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-229860, 333-208276 and 333-178183) of ASE Technology Holding Co., Ltd. of our report dated March 18, 2021 relating to the financial statements and the effectiveness of internal contr

April 6, 2021 EX-13

*Certification of the Chief Executive Officer and the Chief Financial Officer of ASE Technology Holdings Co. Ltd. required by Rule 13a-14(b) of the Exchange Act and Section 1350 of Chapter 63 of Title 18 of the United States Code.

Exhibit 13 906 Certification The certification set forth below is being submitted in connection with the Annual Report on Form 20-F for the year ended December 31, 2019 (the ?Report?) for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the ?Exchange Act?) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

March 29, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1485676k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 29, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Ka

March 9, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 9, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant?s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Chi

February 9, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 9, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of

February 4, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 4, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of

February 4, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 4, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of

January 15, 2021 6-K

Current Report of Foreign Issuer - FORM 6K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 January 15, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of

January 8, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1440566k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 January 8, 2021 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone K

December 9, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1426446k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 9, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone

December 3, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1423966k-mops.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 3, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing

December 3, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 3, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of

November 10, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 10, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of

October 30, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1398306k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 30, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone

October 30, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 30, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of

October 8, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1384966k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 8, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone K

September 30, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 September 30, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic o

September 9, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1361856k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 September 9, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone

August 10, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 10, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of C

July 31, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1333726k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 31, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kao

July 31, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 31, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Chi

July 9, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 9, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Chin

June 9, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1298556k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 9, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaos

May 29, 2020 SD

- FORM SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter) Taiwan, Republic of China 001-16125 (State or other jurisdiction of Incorporation or organization) (Commission File Number) (IRS Employer Identification No.) 26 Chin Third Road Nantze Export Process

May 29, 2020 EX-1.01

ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2019

Exhibit 1.01 ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2019 Corporate Overview ASE Technology Holding Co., Ltd. (“ASEH”, “we”, “our” or “us”) is the leading provider of semiconductor manufacturing services in assembly and testing. ASEH develops and offers complete turnkey solutions covering front-end engineering testing, wafer probing and final testi

May 15, 2020 20-F/A

- FORM 20-F/A

20-F/A 1 dp12777620fa.htm FORM 20-F/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F/A (AMENDMENT NO.1) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSU

May 8, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 8, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of China

April 29, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 29, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Ch

April 29, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1270066k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 29, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Ka

April 10, 2020 6-K

ASX:ASX / ASX LIMITED 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 10, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Ch

April 1, 2020 6-K

ASX:ASX / ASX LIMITED 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 1, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Chi

April 1, 2020 6-K

ASX:ASX / ASX LIMITED 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp125277-6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 1, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Ka

March 31, 2020 EX-2.(A)

Deposit Agreement dated April 30, 2018 by and among ASE Technology Holding Co., Ltd., a company organized under the laws of the Republic of China and previously known as “ASE Industrial Holding Co., Ltd.,” Citibank, N.A., as Depositary, and the Holders and Beneficial Owners of American Depositary Shares issued thereunder (incorporated by reference to Exhibit 2(a) to our annual report on Form 20-F (File No. 001-16125) for the year ended December 31, 2019 filed on March 31, 2020, as amended).

Exhibit 2(a) EXECUTION COPY DEPOSIT AGREEMENT by and among ASE INDUSTRIAL HOLDING CO.

March 31, 2020 EX-99.15B

*Consent of Deloitte & Touche.

Exhibit 15(a) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement on Forms S-8 (Nos.

March 31, 2020 EX-99.12B

*Certification of Joseph Tung, required by Rule 13a-14(a) of the Exchange Act.

Exhibit 12(b) Executive Officers’ Certification Pursuant to Section 302 of the Sarbanes-Oxley Act I, Joseph Tung, the Chief Financial Officer of ASE Technology Holding Co.

March 31, 2020 20-F

ASX:ASX / ASX LIMITED 20-F - - FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT

March 31, 2020 EX-99.13

*Certification of the Chief Executive Officer and the Chief Financial Officer of ASE Technology Holdings Co. Ltd. required by Rule 13a-14(b) of the Exchange Act and Section 1350 of Chapter 63 of Title 18 of the United States Code.

Exhibit 13 906 Certification The certification set forth below is being submitted in connection with the Annual Report on Form 20-F for the year ended December 31, 2019 (the “Report”) for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

March 31, 2020 EX-99.15B

*Consent of PricewaterhouseCoopers.

Exhibit 15(b) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statements on Form F-3 (No.

March 31, 2020 EX-99.12A

*Certification of Jason C.S. Chang, required by Rule 13a-14(a) of the Exchange Act.

Exhibit 12(a) Executive Officers’ Certification Pursuant to Section 302 of the Sarbanes-Oxley Act I, Jason C.

March 31, 2020 EX-99.02B

*Description of Securities

Exhibit 2(b) DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT As of December 31, 2019, ASE Technology Holding Co.

March 31, 2020 EX-1

Articles of Incorporation of the Registrant (English translation of Chinese version) (incorporating all amendments as of June 27, 2019).

Exhibit 1 ASE Technology Holding Co., Ltd. Articles of Incorporation Chapter One: General Principals Article 1. The Company is called and is registered as a company limited by shares according to the ROC Company Act. The English name of the Company is ASE Technology Holding Co., Ltd. Article 2. The Company is engaged in the following businesses: H201010 General Investment Business. Article 3. The

March 25, 2020 6-K

ASX:ASX / ASX LIMITED 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp124580-6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 25, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone K

March 10, 2020 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 10, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Ch

February 10, 2020 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 10, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of

February 7, 2020 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 7, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of

February 7, 2020 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp121099-6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 February 7, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone

January 9, 2020 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp119013-6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 January 9, 2020 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone

December 13, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6K

6-K 1 dp1175776k.htm FORM 6K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 13, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone

December 12, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1175766k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 12, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone

December 10, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 December 10, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of

November 8, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1157286k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 8, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone

October 30, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 30, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of

October 30, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1149306k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 30, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone

October 9, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1141536k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 October 9, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone K

September 10, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1126346k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 September 10, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zon

August 14, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1112736k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 14, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone K

August 2, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1107636k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 2, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Ka

July 31, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 31, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Chi

July 9, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 July 9, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Chin

June 10, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K - Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 June 10, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Chi

May 31, 2019 EX-1.01

ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2018

Exhibit 1.01 ASE Technology Holding Co., Ltd. Conflict Minerals Report For the year ended December 31, 2018 Corporate Overview ASE Technology Holding Co., Ltd. (“ASEH”, “we”, “our”, “us”) was established on April 30, 2018 as a company limited by shares under the R.O.C. Company Law, by the combination of Advanced Semiconductor Engineering, Inc. (“ASE”) and Siliconware Precision Industries Co., Ltd.

May 31, 2019 SD

ASX / Advanced Semiconductor Engineering, Inc. SD - - FORM SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ASE Technology Holding Co., Ltd. (Exact name of the registrant as specified in its charter) Taiwan, Republic of China 001-16125 (State or other jurisdiction of Incorporation or organization) (Commission File Number) (IRS Employer Identification No.) 26 Chin Third Road Nantze Export Process

May 10, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K Current Report of Foreign Issuer FORM 6-K

6-K 1 dp1065236k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 10, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaos

April 30, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K (Current Report of Foreign Issuer) FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 30, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Ch

April 30, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K (Current Report of Foreign Issuer) FORM 6-K

6-K 1 dp1058926k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 30, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Ka

April 29, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. 6-K (Current Report of Foreign Issuer) FORM 6-K

6-K 1 dp1057726k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 29, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Ka

April 26, 2019 EX-15.B

*Consent of PricewaterhouseCoopers.

EX-15.B 9 dp102525ex15b.htm EXHIBIT 15(B) Exhibit 15(b) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form F-3 (No. 333-215126) and Forms S-8 (Nos. 333-208276 and 333-178183) of Advanced Semiconductor Engineering, Inc. and Form S-8 (No. 333-229860) of ASE Technology Holding Co., Ltd. of our report dated

April 26, 2019 EX-12.B

*Certification of Joseph Tung, required by Rule 13a-14(a) of the Exchange Act.

Exhibit 12(b) Executive Officers’ Certification Pursuant to Section 302 of the Sarbanes-Oxley Act I, Joseph Tung, the Chief Financial Officer of ASE Technology Holding Co.

April 26, 2019 EX-1

*Articles of Incorporation of the Registrant (English translation of Chinese version) (incorporating all amendments as of June 21, 2018).

Exhibit 1 ASE Technology Holding Co., Ltd. Articles of Incorporation Chapter One: General Principals Article 1. The Company is called and is registered as a company limited by shares according to the ROC Company Act. The English name of the Company is ASE Technology Holding Co., Ltd. Article 2. The Company is engaged in the following businesses: H201010 General Investment Business. Article 3. The

April 26, 2019 EX-12.A

*Certification of Jason C.S. Chang, required by Rule 13a-14(a) of the Exchange Act.

Exhibit 12(a) Executive Officers’ Certification Pursuant to Section 302 of the Sarbanes-Oxley Act I, Jason C.

April 26, 2019 20-F

ASX / Advanced Semiconductor Engineering, Inc. 20-F FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F o REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT

April 26, 2019 EX-13

*Certification of the Chief Executive Officer and the Chief Financial Officer of ASE Technology Holdings Co. Ltd. required by Rule 13a-14(b) of the Exchange Act and Section 1350 of Chapter 63 of Title 18 of the United States Code.

Exhibit 13 906 Certification The certification set forth below is being submitted in connection with the Annual Report on Form 20-F for the year ended December 31, 2018 (the “Report”) for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

April 26, 2019 EX-15.A

*Consent of Deloitte & Touche.

Exhibit 15(a) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement on Form F-3 (No.

April 26, 2019 EX-4.U

Syndicated Loan Agreement in the amount of NT$90,000 million dated April 30, 2018 among ASE Technology Holding Co., Ltd. and Bank of Taiwan, Mega International Commercial Bank, Citibank, N.A., Taipei Branch, and banks and banking institutions listed on Schedule I thereto relating to our financing needs for the SPIL Acquisition (incorporated by reference to Exhibit 4(u) to our annual report on Form 20-F (File No. 001-16125) for the year ended December 31, 2018 filed on April 26, 2019).

Exhibit 4(u) SYNDICATED LOAN AGREEMENT BORROWER: ASE TECHNOLOGY HOLDING CO., LTD. ARRANGERS: BANK OF TAIWAN MEGA INTERNATIONAL COMMERCIAL BANK CO., LTD. CITIBANK TAIWAN LTD. AGENTS: BANK OF TAIWAN MEGA INTERNATIONAL COMMERCIAL BANK CO., LTD. AMOUNT: NT$90 BILLION PRINCIPAL DATE: APRIL 30, 2018 CONTENTS 1. Definitions. 1 2. Facility. 5 2.1. Commitment and Purpose. 5 2.2. Term of Commitment, Availab

April 10, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. FORM 6-K (Current Report of Foreign Issuer)

6-K 1 dp1050216k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 10, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Ka

April 10, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. FORM 6-K (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 April 10, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Ch

March 8, 2019 6-K

ASX / Advanced Semiconductor Engineering, Inc. FORM 6-K (Current Report of Foreign Issuer)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 8, 2019 Commission File Number 001-16125 ASE Technology Holding Co., Ltd. (Translation of registrant’s name into English) 26 Chin Third Road Nantze Export Processing Zone Kaoshiung, Taiwan Republic of Chi

February 26, 2019 EX-99.1

ASE Technology Holding Co., Ltd. 2018 Employee Stock Option Plan (English translation).

Exhibit 99.1 ASE Technology Holding Co., Ltd. 2018 Employee Stock Option Plan 1. Purpose The 2018 Employee Stock Option Plan (the “Plan”) of ASE Technology Holding Co., Ltd. (the “Company”) is made for the purposes of attracting professionals needed by the Company, encouraging employees, increasing employees' recognition of the Company and creating more profits for the Company and its shareholders

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