ADVANTEST CORP

ATEYY · OTC · SIC 3674: Semiconductors & Related Devices
226
SEC Filings
$171.8
Close 2026-05-28

Latest Stock Quote

ATEYY 2026-05-28 $171.8 O:$165.16 H:$172.83 L:$165.01 Vol:0.1M VWAP:$170.6381
origin leaf: d9c488af08a684c9c3330f79c0761270e718b019c44f0f2e80733b5073f3800d

226 total filings indexed. 226 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

AMD — ADVANCED MICRO DEVICES INC ALGM — ALLEGRO MICROSYSTEMS, INC. AOSL — ALPHA & OMEGA SEMICONDUCTOR Ltd AMBA — AMBARELLA INC AMKR — AMKOR TECHNOLOGY, INC. ADI — ANALOG DEVICES INC AMAT — APPLIED MATERIALS INC /DE AAOI — APPLIED OPTOELECTRONICS, INC.

Company Identity

CIK0001158838
TickerATEYY
ExchangeOTC
SIC3674: Semiconductors & Related Devices
IncorporatedM0

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This is the free public profile. For structured JSON with full provenance chain, use the API:

JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: f1d1032afc4a6d5c9fb2a2162c1bc78c22c2c0d36d32c5c060040594e4e0ab54
parent: ffc5919ba130145c5802129b63f972333778e42327c97ae06be4ddf545452202
content hash: f92f5731f130708140bdf8c2925029e06365a76e0a4cd0ec915b679433db386c
signed: 2026-06-02T19:00:17.277Z
sources: 1 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf