ASE Technology Holding Co., Ltd.

ASXNYSETechnology● Active

$35.02

+$0.99(+2.91%)

Market Cap$76.8B

P/E Ratio—

52W High$41.1

52W Low$9.3

Avg Volume7.7M

Open$35.48

Beta1.48

Overview

Foreign Private Issuer · Files 20-F / 6-K

ASE Technology Holding Co., Ltd. (ASX) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001122411 · ASX · NYSE · as of Jun 8, 2026

Filing snapshot

911

Total Filings

Latest Form

2026-06-03

Most Recent

2000

Filing Since

Financials Earnings View All on EDGAR

Source: SEC EDGAR (data.sec.gov) · CIK 0001122411 · Updated hourly · Not investment advice

Latest Annual Report

20-F · Annual Report (Foreign Issuer)FY

Filed Date

2026-04-01

Fiscal Year End

Apr 1, 2026

Accession No.

0001193125-26-135585

Primary Document

d50802d20f.htm

View on SEC EDGAR Download PDF Filing Index

Source: data.sec.gov · CIK 0001122411 · Accession 0001193125-26-135585

Latest Key Filings

6-KQuarterly Report

FORM 6-K

2026-05-08

View 6-K on SEC

8-KCurrent Report

FORM 8-K12B

2018-04-30Material Event

View 8-K on SEC

Form 4Insider Activity

Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

View Insider Trades Tab

SEC Filing History

Hide Form 4 / 144

Filed Date

Form Type

Description

View

2026-05-29

FORM SD

0000950103-26-008008

View

SDSD

FORM SD

2026-05-29

View

2026-05-27

3/A

Initial Statement of Beneficial Ownership (Amended)

FORM 3A

0000950103-26-007758

View

3/AInitial Statement of Beneficial Ownership (Amended)

FORM 3A

2026-05-27

View

2026-05-08

6-K/A

FORM 6-K/A

0000950103-26-007005

View

6-K/A6-K/A

FORM 6-K/A

2026-05-08

View

2026-05-08

6-K

Current Report (Foreign Issuer)

FORM 6-K

0000950103-26-006979

View

6-KCurrent Report (Foreign Issuer)

FORM 6-K

2026-05-08

View

2026-04-29

6-K

Current Report (Foreign Issuer)

FORM 6-K

0000950103-26-006340

View

6-KCurrent Report (Foreign Issuer)

FORM 6-K

2026-04-29

View

2026-04-29

6-K

Current Report (Foreign Issuer)

FORM 6-K

0000950103-26-006339

View

6-KCurrent Report (Foreign Issuer)

FORM 6-K

2026-04-29

View

2026-04-15

SCHEDULE 13D/A

0000950103-26-005722

View

SCHEDULE 13D/ASCHEDULE 13D/A

SCHEDULE 13D/A

2026-04-15

View

2026-04-10

6-K

Current Report (Foreign Issuer)

FORM 6-K

0000950103-26-005590

View

6-KCurrent Report (Foreign Issuer)

FORM 6-K

2026-04-10

View

2026-04-08

6-K

Current Report (Foreign Issuer)

FORM 6-K

0000950103-26-005444

View

6-KCurrent Report (Foreign Issuer)

FORM 6-K

2026-04-08

View

2026-04-01

20-F

Annual Report (Foreign Issuer)

FORM 20-F

0001193125-26-135585

View

20-FAnnual Report (Foreign Issuer)

FORM 20-F

2026-04-01

View

2026-03-27

6-K

Current Report (Foreign Issuer)

FORM 6-K

0000950103-26-004730

View

6-KCurrent Report (Foreign Issuer)

FORM 6-K

2026-03-27

View

2026-03-18

Initial Statement of Beneficial Ownership

FORM 3

0000950103-26-004294

View

3Initial Statement of Beneficial Ownership

FORM 3

2026-03-18

View

2026-03-18

Initial Statement of Beneficial Ownership

FORM 3

0000950103-26-004293

View

3Initial Statement of Beneficial Ownership

FORM 3

2026-03-18

View

2026-03-18

Initial Statement of Beneficial Ownership

FORM 3

0000950103-26-004284

View

3Initial Statement of Beneficial Ownership

FORM 3

2026-03-18

View

2026-03-18

Initial Statement of Beneficial Ownership

FORM 3

0000950103-26-004283

View

3Initial Statement of Beneficial Ownership

FORM 3

2026-03-18

View

Showing 1–15 of 900 filingsForm 4 / 144 hidden· 911 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov) | Updated: Hourly | CIK: 0001122411 | Exchange: NYSE · Technology

ASE Technology Holding Co., Ltd. (NYSE: ASX) has submitted 911 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2000. As a Technology sector company with CIK 0001122411, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is ASE Technology Holding Co., Ltd.'s most comprehensive regulatory disclosure. The most recent ASE Technology Holding Co., Ltd. 10-K was filed on 2026-04-01 for fiscal year ending 2026. Historical ASX 10-K annual reports are available from 2000 through 2026.

Investors researching ASE Technology Holding Co., Ltd. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-08

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Frequently Asked Questions

ASX SEC Filings · 8 questions

ASE Technology Holding Co., Ltd. (ASX) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 911 filings and access original documents at no cost. ASE Technology Holding Co., Ltd.'s CIK is 0001122411.

ASX SEC filingsASE Technology Holding Co., Ltd. SEC documentsfind ASX 10-K