Advantest ATEYY SEC Filings

OTC ATEYY
$245.00 -9.05 (-3.56%)
At close: Oct 14, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Advantest Corp (ATEYY) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
1EFFECTOthers9999999995-26-002626Aug 11, 2026 12:15 AM
2F-6Others0001193805-26-001036Aug 6, 2026 6:52 PM
3DOthers0001158838-25-000004Aug 28, 2025 10:31 AM
4DOthers0001158838-25-000004Aug 28, 2025 10:31 AM
5DOthers0001158838-25-000004Aug 28, 2025 10:31 AM
6DOthers0000891839-24-000006Sep 3, 2024 1:24 PM
7DOthers0000891839-23-000002Jun 6, 2023 1:59 PM
8DOthers0000891839-22-000007Jun 9, 2022 12:04 PM
9SC 13GBeneficial Ownership Report0001341004-20-000320Aug 6, 2020 12:05 PM
1015F-12BOthers0000947871-16-001121Apr 22, 2016 9:24 AM
11S-8 POSProspectus0000947871-16-001120Apr 22, 2016 6:22 AM
12S-8 POSProspectus0000947871-16-001119Apr 22, 2016 6:20 AM
13S-8 POSProspectus0000947871-16-001118Apr 22, 2016 6:17 AM
14S-8 POSProspectus0000947871-16-001117Apr 22, 2016 6:13 AM
15S-8 POSProspectus0000947871-16-001116Apr 22, 2016 6:10 AM
16S-8 POSProspectus0000947871-16-001115Apr 22, 2016 6:07 AM
17F-6 POSOthers0001193805-16-003093Apr 22, 2016 5:51 PM
1825Others0000947871-16-001106Apr 11, 2016 7:21 AM
196-KCurrent Report0000947871-16-001078Apr 1, 2016 6:22 AM
20SC 13GBeneficial Ownership Report0000950103-16-011074Feb 12, 2016 6:13 AM
216-KCurrent Report0000947871-16-000962Feb 12, 2016 6:04 AM
22SC 13GBeneficial Ownership Report0000905148-16-001255Feb 10, 2016 9:53 AM
23SC 13GBeneficial Ownership Report0001193125-16-449893Feb 4, 2016 6:21 AM
246-KCurrent Report0000947871-16-000936Jan 27, 2016 6:14 AM
256-KCurrent Report0000947871-15-000880Dec 22, 2015 6:53 AM
266-KCurrent Report0000947871-15-000804Nov 13, 2015 6:05 AM
276-KCurrent Report0000947871-15-000755Oct 26, 2015 6:01 AM
28UPLOADOthers0000000000-15-044939Sep 9, 2015 4:23 PM
29CORRESPOthers0000947871-15-000630Sep 8, 2015 6:07 AM
30UPLOADOthers0000000000-15-043628Aug 31, 2015 1:31 PM
316-KCurrent Report0000947871-15-000560Aug 14, 2015 6:03 AM
326-KCurrent Report0000947871-15-000503Jul 28, 2015 6:04 AM
336-KCurrent Report0000947871-15-000447Jun 25, 2015 9:29 AM
3420-FQuarterly & Annual Report0001193125-15-234186Jun 25, 2015 7:18 AM
356-KCurrent Report0000947871-15-000422Jun 1, 2015 11:58 AM
36SDOthers0000947871-15-000420Jun 1, 2015 8:03 AM
376-KCurrent Report0000947871-15-000412May 27, 2015 6:26 AM
386-KCurrent Report0000947871-15-000330Apr 27, 2015 6:49 AM
396-KCurrent Report0000947871-15-000226Mar 25, 2015 6:10 AM
406-KCurrent Report0000947871-15-000109Feb 13, 2015 6:39 AM
41SC 13GBeneficial Ownership Report0000950103-15-001224Feb 13, 2015 6:10 AM
42SC 13GBeneficial Ownership Report0001193125-15-045319Feb 12, 2015 6:15 AM
43SC 13GBeneficial Ownership Report0000905148-15-000153Feb 5, 2015 10:12 AM
446-KCurrent Report0000947871-15-000062Jan 29, 2015 6:19 AM
456-KCurrent Report0000947871-14-000705Nov 14, 2014 6:14 AM
466-KCurrent Report0000947871-14-000676Oct 28, 2014 6:02 AM
476-KCurrent Report0000947871-14-000548Aug 25, 2014 9:48 AM
486-KCurrent Report0000947871-14-000525Aug 14, 2014 9:23 AM
496-KCurrent Report0000947871-14-000496Aug 7, 2014 6:21 AM
506-KCurrent Report0000947871-14-000469Jul 24, 2014 6:14 AM
...

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