# EDGAR Filing Document

**Accession Number:** 0001122411
**File Stem:** 0000950103-26-004730
**Filing Date:** 2026-3
**Character Count:** 3964
**Document Hash:** 8ef673b508640bc0b7b52daccf1a358a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950103-26-004730.hdr.sgml**: 20260327

**ACCESSION NUMBER**: 0000950103-26-004730

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260327

**FILED AS OF DATE**: 20260327

**DATE AS OF CHANGE**: 20260327

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ASE Technology Holding Co., Ltd.
- **CENTRAL INDEX KEY:** 0001122411
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **STATE OF INCORPORATION:** F5
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-16125
- **FILM NUMBER:** 26800760

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 26, CHIN 3RD RD.
- **STREET 2:** NANZIH DISTRICT
- **CITY:** KAOHSIUNG
- **PROVINCE COUNTRY:** F5
- **ZIP:** 811
- **BUSINESS PHONE:** 886-7-361-7173

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 26, CHIN 3RD RD.
- **STREET 2:** NANZIH DISTRICT
- **CITY:** KAOHSIUNG
- **PROVINCE COUNTRY:** F5
- **ZIP:** 811

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ASE Industrial Holding Co., Ltd.
- **DATE OF NAME CHANGE:** 20180430

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ADVANCED SEMICONDUCTOR ENGINEERING INC
- **DATE OF NAME CHANGE:** 20000822

**UNITED STATES<br> SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 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 2026

**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 offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

---

| | | |
|:---|:---|:---|
|  | **ASE TECHNOLOGY HOLDING CO., LTD.** | **ASE TECHNOLOGY HOLDING CO., LTD.** |
| Date: March 27, 2026  | By: | /s/ Joseph Tung |
|  |  | Name: Joseph Tung |
|  |  | Title: Chief Financial Officer |

---

![](image_001.jpg)

**Investor Relations Contact:**

ir@aseglobal.com

Tel: +886.2.6636.5678

<u>https://www.aseglobal.com</u>

**Notice to Holders of American Depositary Receipts**

Pursuant to Section 4.16(a) of the Deposit Agreement dated April 30, 2018 among ASE Industrial Holding Co., Ltd., later renamed to ASE Technology Holding, Co., Ltd ("ASE" or "Company"), Citibank, N.A., as depositary (the "Depositary"), and all holders and beneficial owners of American Depositary Receipts ("ADRs") issued and outstanding thereunder (the "Deposit Agreement"), ASE hereby informs ADR holders of one percent (1%) or more of the total issued and outstanding Shares of the Company that the submission period for the submission of shareholder proposals pursuant to the R.O.C. Company Law in connection with the Company's 2025 annual general shareholders' meeting will begin on April 17, 2026 and end on April 27, 2026 ("Submission Period"). Pursuant to Section 4.16(b) of the Deposit Agreement, any proposal submitted by ADR holders must be received by the Depositary at least two business days prior to the expiration of the Submission Period. Therefore, any proposal submitted by ADR holders must be received by the Depositary between April 17, 2026, and April 25, 2026. The 2026 annual general shareholders' meeting will be held on June 24, 2026, and the ADR record date for this meeting will be April 24, 2026. For all enquiries, please contact Citibank Shareholder Services at 1-877-CITI-ADR (248-4237).