Skip to main content
Wintest Corp. logo

Wintest Corp. — Investor Relations & Filings

Ticker · 6721 ISIN · JP3154370005 T Manufacturing
Open in API
Filings indexed 95 across all filing types
Latest filing 2024-03-29 Governance Information
Country JP Japan
Listing T 6721

About Wintest Corp.

https://www.wintest.co.jp/en/

Wintest Corp. is a specialized company that develops, designs, manufactures, and sells advanced inspection and testing equipment for the semiconductor industry. The company's core focus is on providing test systems and solutions for image sensors, including CCD and CMOS sensors, and for display driver integrated circuits (ICs) used in modern flat-panel displays such as OLED, LCD, and LCOS. Leveraging its expertise and unique test technologies, Wintest delivers high-level application support and sophisticated measurement circuits. The product lineup includes various test systems designed to ensure the quality and performance of critical electronic components.

Recent filings

Filing Released Lang Actions
内部統制報告書－第31期(2023/01/01－2023/12/31)
Governance Information Classification · 100% confidence The document is explicitly titled "内部統制報告書" (Internal Control Report) in the header and within the filing details table. It references the legal basis as Article 24-4-4, Paragraph 1 of the Financial Instruments and Exchange Act (金融商品取引法第24条の４の４第１項), which mandates the filing of an Internal Control Report in Japan. The content discusses the framework, scope, criteria date (2023年12月31日), and the conclusion that internal controls over financial reporting are effective. This directly corresponds to a mandatory regulatory filing concerning internal controls, which is best categorized under the general 'Audit Report / Information' (AR) or potentially a specific regulatory filing, but given the explicit nature of the report type, it aligns closely with the scope of AR, which covers internal/regulatory stress tests and audit principles, although it is a specific Japanese statutory filing. Since there is no specific code for 'Internal Control Report', and it is a comprehensive report on financial reporting integrity (similar in function to aspects covered by AR or 10-K but distinct), I must check the provided definitions. 'AR' is defined as 'Standalone audit reports, applied accounting principles, and results of internal or regulatory stress tests (excluding full Annual Reports)'. This document fits the 'internal control' aspect better than any other specific code. It is a comprehensive report, not an announcement of one (RPA). Therefore, AR is the most appropriate fit among the choices for this statutory Japanese internal control report.
2024-03-29 Japanese
有価証券報告書－第31期(2023/01/01－2023/12/31)
Annual Report Classification · 100% confidence The document is a Japanese '有価証券報告書' (Yuuka Shouken Houkokusho), which is the standard Japanese equivalent of a 10-K annual report. It contains detailed financial statements, management discussion, and corporate information for the fiscal year ending December 31, 2023. It is a comprehensive annual filing submitted to the Kanto Local Finance Bureau, not an announcement or a summary. FY 2023
2024-03-29 Japanese
臨時報告書
Regulatory Filings Classification · 100% confidence The document is titled "臨時報告書" (Extraordinary Report/Timely Disclosure Report) and is submitted to the Kanto Local Finance Bureau Director on March 11, 2024. The filing reason explicitly states that the company is reporting the resolution regarding the change of its statutory auditor (監査公認会計士等の異動) to be proposed at the upcoming Annual General Meeting (定時株主総会). This type of disclosure, mandated by Japanese financial regulations (FIEA Article 24-5(4)), concerns a significant corporate governance/audit matter but is not a full annual report (10-K), an audit report (AR), or a general regulatory filing (RNS). Since it details a change in the auditor, it falls under a specific corporate governance/audit event disclosure. Given the provided categories, this is a specific regulatory disclosure concerning corporate governance/audit structure, which is closest to Governance Information (CGR) or a specific regulatory filing. However, the content is a formal, mandatory disclosure about a change in the audit firm, which is a critical governance event. Since there is no specific code for 'Auditor Change Report', and it is a formal regulatory filing concerning governance structure, I will evaluate the closest fit. It is not an Audit Report (AR), but a report *about* the audit arrangement. It is a mandatory disclosure under Japanese law, similar in nature to a governance update. Given the options, and recognizing this is a formal, mandatory disclosure about the audit function, it is best classified as a specific regulatory filing that doesn't fit the other precise categories. However, if we must choose the most relevant category based on the *subject matter* (change of auditor), it relates closely to governance. Since it is a formal, mandatory disclosure document (臨時報告書), and not a general ESG report (SR) or a general governance report (CGR) detailing rules, the most appropriate general regulatory category for non-standard, mandatory disclosures is RNS. If the document were a detailed report on the audit process itself, AR might apply, but this is a notice of change. Given the structure and mandatory nature, RNS (Regulatory Filings - fallback) is appropriate, but let's re-examine CGR (Governance Information). CGR is defined as 'Report detailing the company's internal rules, board structure, and governance practices.' A change in the external auditor is a key governance practice change. I will classify this as RNS as it is a specific, timely regulatory filing (臨時報告書) that doesn't perfectly match the other specific definitions, making RNS the safest fallback for mandatory, non-standard disclosures. Upon review, the document is a formal regulatory filing (臨時報告書) announcing a change in the statutory auditor, which is a significant governance event. Since RNS is the general regulatory filing fallback, I will use that, as there is no specific 'Auditor Change' code. The document length is short, but it is the report itself, not an announcement of a report, so RPA/RNS distinction based on length is less critical here than the content type. RNS is the best fit for a mandatory, specific regulatory filing not covered elsewhere.
2024-03-11 Japanese
確認書
Report Publication Announcement Classification · 100% confidence The document text explicitly contains the title "第３四半期報告書" (Third Quarter Report) and specifies the period covered: "第31期第３四半期（自 2023年７月１日 至 2023年９月30日）". This content structure, which includes a confirmation statement by the representative director regarding the appropriateness of the filing based on financial instruments laws, is characteristic of a comprehensive quarterly financial report filed in Japan. This aligns directly with the definition of an Interim / Quarterly Report (Code: IR). The document length is short, but the content is the substance of the report confirmation, not just an announcement of publication, making IR more appropriate than RPA or RNS.
2023-11-14 Japanese
四半期報告書－第31期第3四半期(2023/07/01－2023/09/30)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Quarterly Report' (四半期報告書) for Wintest Corp., covering the third quarter of the fiscal year ending 2023. It contains detailed financial statements, management analysis (MD&A), and business status updates, which are characteristic of an interim/quarterly financial report. It is not an announcement of a report, but the report itself, and it contains substantive financial data. 9M 2023
2023-11-14 Japanese
有価証券届出書（組込方式）
Capital/Financing Update Classification · 100% confidence The document is a '有価証券届出書' (Securities Registration Statement) filed with the Kanto Local Finance Bureau by Wintest Corp. It details a third-party allotment of shares (third-party capital increase) to raise funds for business operations, R&D, and working capital. This type of document is a formal regulatory filing for capital raising activities, which falls under the 'Capital/Financing Update' category.
2023-09-15 Japanese

Browse filings by year

12 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.