ADVANTEST CORP (ATEYY) Form 8-K Material Events
ADVANTEST CORP (ATEYY) is a publicly traded company on the OTC, categorized under SIC 3674 (Semiconductors & Related Devices). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: ATEYY
CIK: 1158838
Exchange: OTC
SIC 3674: Semiconductors & Related Devices
Fiscal Year End: 12/31
State: M0
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Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| EFFECT | 2026-08-11 | — | EFFECT Filing | 9999999995-26-002626 | View SEC Doc Filr Page |
| F-6 | 2026-08-06 | — | F-6 Filing | 0001193805-26-001036 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-05-27 | — | SCHEDULE 13G/A Filing | 0001193125-26-242623 | View SEC Doc Filr Page |
| D/A | 2025-08-28 | — | D/A Filing | 0001158838-25-000004 | View SEC Doc Filr Page |
| D/A | 2024-09-03 | — | D/A Filing | 0000891839-24-000006 | View SEC Doc Filr Page |
| D/A | 2023-06-06 | — | D/A Filing | 0000891839-23-000002 | View SEC Doc Filr Page |
| D | 2022-06-09 | — | D Filing | 0000891839-22-000007 | View SEC Doc Filr Page |
| SC 13G | 2020-08-06 | — | SC 13G Filing | 0001341004-20-000320 | View SEC Doc Filr Page |
| 15F-12B | 2016-04-22 | — | FORM 15F | 0000947871-16-001121 | View SEC Doc Filr Page |
| S-8 POS | 2016-04-22 | — | POST-EFFECTIVE AMENDMENT NO. 1 | 0000947871-16-001120 | View SEC Doc Filr Page |
| S-8 POS | 2016-04-22 | — | POST-EFFECTIVE AMENDMENT NO. 1 | 0000947871-16-001119 | View SEC Doc Filr Page |
| S-8 POS | 2016-04-22 | — | POST-EFFECTIVE AMENDMENT NO. 1 | 0000947871-16-001118 | View SEC Doc Filr Page |
| S-8 POS | 2016-04-22 | — | POST-EFFECTIVE AMENDMENT NO. 1 | 0000947871-16-001117 | View SEC Doc Filr Page |
| S-8 POS | 2016-04-22 | — | POST-EFFECTIVE AMENDMENT NO. 1 | 0000947871-16-001116 | View SEC Doc Filr Page |
| S-8 POS | 2016-04-22 | — | POST-EFFECTIVE AMENDMENT NO. 1 | 0000947871-16-001115 | View SEC Doc Filr Page |
| F-6 POS | 2016-04-22 | — | F-6 POS Filing | 0001193805-16-003093 | View SEC Doc Filr Page |
| 25 | 2016-04-11 | — | FORM 25 | 0000947871-16-001106 | View SEC Doc Filr Page |
| 6-K | 2016-04-01 | 2016-04-01 | REPORT OF FOREIGN PRIVATE ISSUER | 0000947871-16-001078 | View SEC Doc Filr Page |
| SC 13G/A | 2016-02-12 | — | FORM SC 13G/A | 0000950103-16-011074 | View SEC Doc Filr Page |
| 6-K | 2016-02-12 | 2016-02-12 | REPORT OF FOREIGN PRIVATE ISSUER | 0000947871-16-000962 | View SEC Doc Filr Page |
| SC 13G/A | 2016-02-10 | — | SC 13G/A Filing | 0000905148-16-001255 | View SEC Doc Filr Page |
| SC 13G/A | 2016-02-04 | — | SCHEDULE 13G AMENDMENT NO. 7 | 0001193125-16-449893 | View SEC Doc Filr Page |
| 6-K | 2016-01-27 | 2016-01-27 | REPORT OF FOREIGN PRIVATE ISSUER | 0000947871-16-000936 | View SEC Doc Filr Page |
| 6-K | 2015-12-22 | 2015-12-22 | REPORT OF FOREIGN PRIVATE ISSUER | 0000947871-15-000880 | View SEC Doc Filr Page |
| 6-K | 2015-11-13 | 2015-11-13 | REPORT OF FOREIGN PRIVATE ISSUER | 0000947871-15-000804 | View SEC Doc Filr Page |