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ADVANTEST CORPORATION — Investor Relations & Filings

Ticker · 6857 ISIN · JP3122400009 LEI · 353800EMK32PDKS9XR54 T Manufacturing
Open in API
Filings indexed 104 across all filing types
Latest filing 2026-01-15 Transaction in Own Shar…
Country JP Japan
Listing T 6857

About ADVANTEST CORPORATION

https://www.advantest.com/

Advantest Corporation is a leading manufacturer of automatic test equipment (ATE) and measurement solutions for the semiconductor industry. The company designs, manufactures, and sells a comprehensive portfolio of products including semiconductor and component test systems, mechatronic systems such as test handlers and device interfaces, and electron beam (EB) systems used for fine exposure, processing, and measurement of silicon wafers and photomasks. These leading-edge systems are critical for ensuring the quality, reliability, and performance of semiconductor devices throughout the design and production process. Advantest's solutions enable the development of advanced technologies that power a wide range of applications, from high-performance computing and AI to automotive and consumer electronics.

Recent filings

Filing Released Lang Actions
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 100% confidence The document is a 'Report on Status of Acquisition of Treasury Shares' (自己株券買付状況報告書) filed under Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act of Japan. It details the company's (Advantest Corporation) share buyback activities for the period of December 2025. This specific regulatory filing type, which reports on the company's own share transactions, maps directly to the 'Transaction in Own Shares' (POS) category.
2026-01-15 Japanese
有価証券届出書（参照方式）
Capital/Financing Update Classification · 98% confidence The document is a 'Securities Registration Statement' (有価証券届出書) filed with the Kanto Local Finance Bureau by Advantest Corporation. It details the issuance of new shares as part of a restricted stock compensation plan for executives and employees. This type of filing is a formal regulatory document concerning capital changes and share issuance. Among the provided categories, 'Share Issue/Capital Change' (SHA) is the most accurate classification for documents detailing the issuance of new shares or disposal of treasury shares for compensation purposes.
2025-12-19 Japanese
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 100% confidence The document is a 'Report on Status of Purchase of Own Shares' (自己株券買付状況報告書) filed under Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act of Japan. It details the specific dates, quantities, and prices of share repurchases conducted by Advantest Corporation during the month of November 2025. This document type is specifically designed to report the company's transactions in its own shares, which aligns perfectly with the 'Transaction in Own Shares' (POS) category.
2025-12-15 Japanese
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 100% confidence The document is titled '自己株券買付状況報告書' (Report on Status of Purchase of Own Shares) and cites Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act. This is a formal regulatory filing in Japan specifically detailing the company's share repurchase activities (or lack thereof) for a given period. As it reports on the company's own share transactions, it falls under the 'Transaction in Own Shares' category.
2025-11-17 Japanese
確認書
Regulatory Filings Classification · 95% confidence The document is a 'Confirmation Letter' (確認書) filed under Article 24-5-2, Paragraph 1 of the Financial Instruments and Exchange Act of Japan. It serves as an officer certification attesting to the accuracy of the company's semi-annual report. According to the 'Certification Rule', documents that are primarily officer certifications or attestations, even if they reference a report (like a semi-annual report), should be classified as Regulatory Filings (RNS) rather than the report itself, as they do not contain the actual financial statements. H1 84
2025-11-13 Japanese
半期報告書－第84期(2025/04/01－2025/09/30)
Interim / Quarterly Report Classification · 100% confidence The document is a '半期報告書' (Semi-Annual Report) filed by Advantest Corporation in accordance with the Financial Instruments and Exchange Act of Japan. It contains comprehensive financial statements, management analysis (MDA), and business performance data for the interim period (April 1, 2025, to September 30, 2025). As it is a formal, comprehensive financial report for a period shorter than a full fiscal year, it is classified as an Interim/Quarterly Report (IR). H1 2026
2025-11-13 Japanese

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