ASE Technology Holding Co., Ltd. SEC filings ASX
ASE Technology Holding Co., Ltd. has 946 filings in SEC EDGAR's recent list, going back to Aug 28, 2000. Its latest annual report, Form 20-F, was filed on Apr 1, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 29, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 20-F | Annual report (foreign issuer) | Apr 1, 2026 | Dec 31, 2025 |
| 20-F | Annual report (foreign issuer) | Mar 27, 2025 | Dec 31, 2024 |
| 20-F | Annual report (foreign issuer) | Apr 3, 2024 | Dec 31, 2023 |
| 20-F | Annual report (foreign issuer) | Apr 10, 2023 | Dec 31, 2022 |
| 20-F | Annual report (foreign issuer) | Mar 29, 2022 | Dec 31, 2021 |
| 20-F | Annual report (foreign issuer) | Apr 6, 2021 | Dec 31, 2020 |
| 20-F/A | Amended annual report (foreign issuer) | May 15, 2020 | Dec 31, 2019 |
| 20-F | Annual report (foreign issuer) | Mar 31, 2020 | Dec 31, 2019 |
| 20-F | Annual report (foreign issuer) | Apr 26, 2019 | Dec 31, 2018 |
| 20-F | Annual report (foreign issuer) | Mar 28, 2018 | Dec 31, 2017 |
| 20-F | Annual report (foreign issuer) | Apr 21, 2017 | Dec 31, 2016 |
| 20-F | Annual report (foreign issuer) | Apr 29, 2016 | Dec 31, 2015 |
| 20-F | Annual report (foreign issuer) | Mar 18, 2015 | Dec 31, 2014 |
| 20-F | Annual report (foreign issuer) | Apr 17, 2014 | Dec 31, 2013 |
| 20-F | Annual report (foreign issuer) | Apr 24, 2013 | Dec 31, 2012 |
| 20-F | Annual report (foreign issuer) | Apr 20, 2012 | Dec 31, 2011 |
| 20-F | Annual report (foreign issuer) | Jun 17, 2011 | Dec 31, 2010 |
| 20-F | Annual report (foreign issuer) | Jun 11, 2010 | Dec 31, 2009 |
| 20-F | Annual report (foreign issuer) | Jun 24, 2009 | Dec 31, 2008 |
| 20-F | Annual report (foreign issuer) | Jun 30, 2008 | Dec 31, 2007 |
| 20-F/A | Amended annual report (foreign issuer) | Jul 5, 2007 | Dec 31, 2006 |
| 20-F | Annual report (foreign issuer) | Jun 25, 2007 | Dec 31, 2006 |
| 20-F | Annual report (foreign issuer) | Jun 19, 2006 | Dec 31, 2005 |
| 20-F | Annual report (foreign issuer) | Jun 23, 2005 | Dec 31, 2004 |
| 20-F | Annual report (foreign issuer) | Jun 30, 2004 | Dec 31, 2003 |
| 20-F | Annual report (foreign issuer) | Jun 30, 2003 | Dec 31, 2002 |
| 20-F | Annual report (foreign issuer) | Jun 28, 2002 | Dec 31, 2001 |
| 20-F | Annual report (foreign issuer) | Jun 28, 2001 | Dec 31, 2000 |
Showing 28 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- ASX (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- Taiwan
- Headquarters
- Kaohsiung
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1122411
- Former names
- ASE Industrial Holding Co., Ltd. (until Jun 8, 2018); ADVANCED SEMICONDUCTOR ENGINEERING INC (until Apr 30, 2018)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.