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 |
|---|---|---|---|
| S-8 | Employee stock plan registration | Aug 15, 2024 | — |
| S-8 | Employee stock plan registration | Oct 27, 2023 | — |
| S-8 | Employee stock plan registration | Feb 25, 2022 | — |
| S-8 | Employee stock plan registration | Feb 26, 2019 | — |
| S-8 POS | Form s-8 pos | Apr 30, 2018 | — |
| S-8 POS | Form s-8 pos | Apr 30, 2018 | — |
| 424B3 | Prospectus | Jan 24, 2018 | — |
| F-4/A | Form f-4/a | Jan 16, 2018 | — |
| F-4/A | Form f-4/a | Jan 11, 2018 | — |
| F-4/A | Form f-4/a | Dec 14, 2017 | — |
| 424B5 | Prospectus supplement | Mar 28, 2017 | — |
| F-4/A | Form f-4/a | Feb 24, 2017 | — |
| 424B5 | Prospectus supplement | Feb 3, 2017 | — |
| F-4/A | Form f-4/a | Jan 6, 2017 | — |
| F-4/A | Form f-4/a | Jan 6, 2017 | — |
| 424B5 | Prospectus supplement | Dec 16, 2016 | — |
| F-3ASR | Form f-3asr | Dec 16, 2016 | — |
| F-6 | Filing | Nov 22, 2016 | — |
| F-4 | Form f-4 | Nov 22, 2016 | — |
| S-8 | Employee stock plan registration | Dec 1, 2015 | — |
| S-8 | Employee stock plan registration | Nov 25, 2011 | — |
| F-6EF | Filing | Jun 3, 2011 | — |
| S-8 | Employee stock plan registration | Nov 4, 2009 | — |
| F-6 POS | Post-effective amendment no. 2 to form f-6 | Oct 25, 2006 | — |
| F-6 POS | Post-effective amendment no. 1 to form f-6 | Apr 3, 2006 | — |
| S-8 | Employee stock plan registration | Oct 31, 2005 | — |
| S-8 | Employee stock plan registration | Dec 20, 2004 | — |
| F-3 | Shelf registration (foreign issuer) | Dec 15, 2003 | — |
| F-6 | Filing | Sep 16, 2003 | — |
| 424B1 | Advanced semiconductor engineering inc form 424b1 | Jun 3, 2003 | — |
| POS AM | Ase.inc post-effective amendment no.1 to form f-3 | May 27, 2003 | — |
| F-3/A | Ase, inc. amendment no.3 to form f-3 | Apr 30, 2003 | — |
| F-3/A | Ase,inc. amendment no. 2 to form f-3 | Apr 24, 2003 | — |
| F-3/A | Ase,inc. amendment no.1 to form f-3 | Mar 31, 2003 | — |
| F-3 | Shelf registration (foreign issuer) | May 30, 2002 | — |
| 424B4 | Prospectus | Sep 27, 2000 | — |
| 424B4 | Prospectus | Sep 27, 2000 | — |
| F-4/A | Advanced semiconductor engineering, inc. | Sep 21, 2000 | — |
| F-1/A | Advanced semiconductor engineering, inc. | Sep 21, 2000 | — |
| F-4/A | Advanced semiconductor engineering, inc. | Sep 12, 2000 | — |
| F-1/A | Advanced semiconductor engineering inc | Sep 11, 2000 | — |
| F-4 | Advanced semiconductor engineering, inc. | Aug 28, 2000 | — |
| F-1 | Registration statement (foreign issuer) | Aug 28, 2000 | — |
Showing 43 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.