[6-K] ASE Technology Holding Co., Ltd. Current Report (Foreign Issuer)

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. disclosed revised unaudited consolidated net revenues for August 2025. The filing reports August net revenues of NT$56,466 million, up 9.6% sequentially from July (NT$51,542m) and 6.7% year-over-year from August 2024 (NT$52,930m). In U.S. dollars the top-line for August was US$1,899 million, up 7.4% sequentially and 16.7% year-over-year. The document also presents a second set of figures showing August net revenues of NT$33,510 million (July NT$31,783m; Aug 2024 NT$29,175m), a 5.4% sequential and 14.9% YoY increase, and corresponding U.S. dollar amounts of US$1,127 million (up 3.3% sequential and 25.7% YoY).

Positive

• Consolidated net revenues increased to NT$56,466 million in August 2025, a 9.6% sequential rise and 6.7% YoY gain.
• USD-denominated revenues reached US$1,899 million in August 2025, up 7.4% sequentially and 16.7% YoY.
• Secondary reported series show robust YoY growth (NT$33,510m, +14.9% YoY; US$1,127m, +25.7% YoY).

Negative

• Filing provides only top-line monthly figures with no information on margins, operating income, cash flow, or segment breakdowns.
• No narrative or drivers are disclosed to explain whether growth is from volume, price, currency effects, or one-time items.

Insights

Financial Analyst

TL;DR: Revenue growth is clear across currencies and periods, indicating improving top-line momentum.

The revised unaudited figures show consistent sequential and year-over-year revenue increases in both NT$ and US$ metrics. Aggregate reported net revenues rose to NT$56,466m in August, a 9.6% sequential increase, while the USD equivalent rose 7.4% sequentially to US$1,899m. Secondary figures (NT$33,510m; US$1,127m) also show positive sequential and YoY trends, with particularly strong YoY growth in USD terms (+25.7%). These moves suggest favorable volume or pricing dynamics affecting reported revenue streams. The data are limited to top-line figures only; no margin, profit, backlog, or segment disclosure is provided, which constrains deeper financial assessment.

Industry Specialist

TL;DR: Monthly revenue acceleration in both NT$ and US$ points to improving demand conditions for the period.

The filing presents month-over-month and year-over-year revenue gains across reported series: NT$56,466m (+9.6% sequential; +6.7% YoY) and NT$33,510m (+5.4% sequential; +14.9% YoY), with USD translations showing even stronger YoY percentages in some series. Such consistent upward movement across currency measures typically reflects favorable order flow or pricing; however, the company provides no breakdown by product, customer, or region in this item, limiting the ability to attribute the gains. Overall, the information is materially positive for near-term topline momentum but incomplete for long-term operational conclusions.

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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, 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 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.
Date: September 10, 2025	By:	/s/ Joseph Tung
		Name:  Joseph Tung
		Title:    Chief Financial Officer

 

Investor Relations Contact:

ir@aseglobal.com 

Tel: +886.2.6636.5678 

https://www.aseglobal.com

ASE Technology Holding Co., Ltd. 

Announces Monthly Net Revenues*

Taipei, Taiwan, R.O.C., september 10, 2025 – ASE Technology Holding Co., Ltd. (NYSE: ASX, TAIEX: 3711, “ASEH” or the “Company”), announces its revised unaudited consolidated net revenues for August 2025.

Consolidated net revenues (unaudited) 

		Aug		Jul		Aug		Sequential		YoY
(NT$ Million)		2025		2025		2024		Change		Change
Net Revenues		56,466		51,542		52,930		+9.6%		+6.7%
		Aug		Jul		Aug		Sequential		YoY
(US$ Million)		2025		2025		2024		Change		Change
Net Revenues		1,899		1,769		1,627		+7.4%		+16.7%

Net revenues for ATM assembly, testing and material business are as follows:

atm net revenues (unaudited) 

		Aug		Jul		Aug		Sequential		YoY
(NT$ Million)		2025		2025		2024		Change		Change
Net Revenues		33,510		31,783		29,175		+5.4%		+14.9%
		Aug		Jul		Aug		Sequential		YoY
(US$ Million)		2025		2025		2024		Change		Change
Net Revenues		1,127		1,091		897		+3.3%		+25.7%

*This press release is intended to comply with Taiwan regulatory requirements.

Safe Harbor Notice: 

This press release contains "forward-looking statements" within the meaning of Section 27A of the United States Securities Act of 1933, as amended, and Section 21E of the United States Securities Exchange Act of 1934, as amended. These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. Although these forward-looking statements, which may include statements regarding our future results of operations, financial condition or business prospects, are based on our own information and information from other sources we believe to be reliable, you should not place undue reliance on these forward-looking statements, which apply only as of the date of this press release. The words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “plan” and similar expressions, as they relate to us, are intended to identify these forward-looking statements in this press release. These forward-looking statements are necessarily estimates reflecting the best judgment of our senior management and our actual results of operations, financial condition or business prospects may differ materially from those expressed or implied by the forward-looking statements for reasons including, among others, risks associated with cyclicality and market conditions in the semiconductor or electronic industry; changes in our regulatory environment, including our ability to comply with new or stricter environmental regulations and to resolve environmental liabilities; demand for the outsourced semiconductor packaging, testing and electronic manufacturing services we offer and for such outsourced services generally; the highly competitive semiconductor or manufacturing industry we are involved in; our ability to introduce new technologies in order to remain competitive; international business activities; our business strategy; our future expansion plans and capital expenditures; the strained relationship between the Republic of China and the People’s Republic of China; general economic and political conditions; the recent shift in United States trade policies; possible disruptions in commercial activities caused by natural or human-induced disasters; fluctuations in foreign currency exchange rates; and other factors. For a discussion of these risks and other factors, please see the documents we file from time to time with the Securities and Exchange Commission, including the 2024 Annual Report on Form 20-F filed on March 27, 2025.

FAQ

What were ASE (ASX) consolidated net revenues for August 2025?

The filing reports consolidated net revenues of NT$56,466 million for August 2025 (US$1,899 million).

How did ASE's August 2025 revenues compare to July 2025?

August 2025 revenues increased 9.6% sequentially in NT$ (from NT$51,542m to NT$56,466m) and 7.4% sequentially in USD (from US$1,769m to US$1,899m).

What is the year-over-year revenue change for ASE in August 2025?

Year-over-year, August 2025 revenues rose 6.7% in NT$ (from NT$52,930m to NT$56,466m) and 16.7% in USD (from US$1,627m to US$1,899m).

Are there additional revenue series reported in the filing?

Yes. The filing also lists another set of August figures: NT$33,510 million (July NT$31,783m; Aug 2024 NT$29,175m) and US$1,127 million (July US$1,091m; Aug 2024 US$897m).

Does the filing explain drivers of the revenue changes?

No. The document provides only revised unaudited monthly revenue figures and does not disclose the underlying drivers, margins, or segment breakdowns.