Advantest Corp SEC filings ADTTF
Advantest Corp has 315 filings in SEC EDGAR's recent list, going back to Mar 1, 2002. Its latest annual report, Form 20-F, was filed on Jun 25, 2015 for the period ended Mar 31, 2015. The most recent current report (Form 6-K) was filed on Apr 1, 2016. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| EFFECT | Filing | Aug 11, 2026 | — |
| D/A | Filing | Aug 28, 2025 | — |
| D/A | Filing | Sep 3, 2024 | — |
| D/A | Filing | Jun 6, 2023 | — |
| D | Filing | Jun 9, 2022 | — |
| 15F-12B | Form 15f | Apr 22, 2016 | — |
| 25 | Form 25 | Apr 11, 2016 | — |
| UPLOAD | Letter from the SEC | Sep 9, 2015 | — |
| CORRESP | Letter to the SEC | Sep 8, 2015 | — |
| UPLOAD | Letter from the SEC | Aug 31, 2015 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2015 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 2, 2014 | — |
| UPLOAD | Letter from the SEC | Aug 9, 2012 | — |
| CORRESP | Letter to the SEC | Aug 6, 2012 | — |
| UPLOAD | Letter from the SEC | Jul 31, 2012 | — |
| DFAN14A | Filing | Jun 10, 2011 | — |
| DFAN14A | Advantest corp dfan14a | May 26, 2011 | — |
| DFAN14A | Advantest dfan14a | Apr 18, 2011 | — |
| DFAN14A | Schedule 14a | Apr 14, 2011 | — |
| DFAN14A | Advantest dfan14a | Apr 4, 2011 | — |
| DFAN14A | Filing | Mar 28, 2011 | — |
| DFAN14A | Filing | Mar 28, 2011 | — |
| DFAN14A | Filing | Mar 28, 2011 | — |
| DFAN14A | Advantest corp dfan14a | Mar 22, 2011 | — |
| DFAN14A | Advantest corp dfan14a | Mar 22, 2011 | — |
| UPLOAD | Letter from the SEC | Aug 25, 2010 | — |
| CORRESP | Letter to the SEC | Aug 16, 2010 | — |
| UPLOAD | Letter from the SEC | Jul 29, 2010 | — |
| UPLOAD | Letter from the SEC | Sep 25, 2009 | — |
| CORRESP | Letter to the SEC | Sep 24, 2009 | — |
| UPLOAD | Letter from the SEC | Sep 18, 2009 | — |
| CORRESP | Letter to the SEC | Sep 11, 2009 | — |
| UPLOAD | Letter from the SEC | Aug 31, 2009 | — |
| UPLOAD | Letter from the SEC | Mar 28, 2007 | — |
| CORRESP | Letter to the SEC | Mar 28, 2007 | — |
| CORRESP | Letter to the SEC | Mar 27, 2007 | — |
| UPLOAD | Letter from the SEC | Mar 2, 2007 | — |
Showing 37 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
- ATEYY (OTC), ADTTF (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- Japan
- Headquarters
- Chiyoda-Ku, Tokyo 100-0005, Japan
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1158838
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.