Companies

ADVANTEST CORP (ATEYY) SEC filings

CIK 0001158838 · Semiconductors & Related Devices (SIC 3674) · OTC, OTC · incorporated in M0 · fiscal year ends 12/31

Latest filings

FiledFormDescriptionPeriod
2026-08-11EFFECTEFFECT items ,,
2026-08-06F-6F-6
2026-05-27SCHEDULE 13G/ASCHEDULE 13G/A
2025-08-28D/AD/A items 06b
2024-09-03D/AD/A items 06b
2023-06-06D/AD/A items 06b
2022-06-09DD items 06b
2020-08-06SC 13GSC 13G
2016-04-2215F-12BFORM 15F
2016-04-22S-8 POSPOST-EFFECTIVE AMENDMENT NO. 1
2016-04-22S-8 POSPOST-EFFECTIVE AMENDMENT NO. 1
2016-04-22S-8 POSPOST-EFFECTIVE AMENDMENT NO. 1
2016-04-22S-8 POSPOST-EFFECTIVE AMENDMENT NO. 1
2016-04-22S-8 POSPOST-EFFECTIVE AMENDMENT NO. 1
2016-04-22S-8 POSPOST-EFFECTIVE AMENDMENT NO. 1
2016-04-22F-6 POSF-6 POS
2016-04-1125FORM 25
2016-04-016-KREPORT OF FOREIGN PRIVATE ISSUER2016-04-01
2016-02-12SC 13G/AFORM SC 13G/A
2016-02-126-KREPORT OF FOREIGN PRIVATE ISSUER2016-02-12
2016-02-10SC 13G/ASC 13G/A
2016-02-04SC 13G/ASCHEDULE 13G AMENDMENT NO. 7
2016-01-276-KREPORT OF FOREIGN PRIVATE ISSUER2016-01-27
2015-12-226-KREPORT OF FOREIGN PRIVATE ISSUER2015-12-22
2015-11-136-KREPORT OF FOREIGN PRIVATE ISSUER2015-11-13

Forms on file (last 1,000): 6-K 211, S-8 POS 14, 20-F 14, S-8 14, UPLOAD 11, SC 13G/A 10, DFAN14A 10, CORRESP 7. Source: SEC EDGAR, as filed; this page is public data and not investment advice.

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