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GEOSTR Corporation — Investor Relations & Filings

Ticker · 5282 ISIN · JP3386250009 T Manufacturing
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Filings indexed 60 across all filing types
Latest filing 2026-03-13 Transaction in Own Shar…
Country JP Japan
Listing T 5282

About GEOSTR Corporation

https://www.geostr.co.jp/

GEOSTR Corporation is a manufacturer of large-scale precast concrete products for the civil engineering and construction sectors. The company specializes in the precast construction method, where structural components are manufactured in a factory for on-site assembly. This approach offers significant advantages over traditional on-site concrete pouring, including improved safety, reduced environmental impact, and greater labor efficiency. Its product line, marketed under the 'GEOWARE' brand, provides essential components for social infrastructure projects such as roads, tunnels, railways, dams, and water systems. GEOSTR is particularly recognized for its expertise in tunnel structural materials, contributing to the development of resilient infrastructure.

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 Purchase of Own Shares' (自己株券買付状況報告書) filed under the Financial Instruments and Exchange Act in Japan. It details the company's share buyback activity for the period of February 2026, including the number of shares acquired and the total cost. This aligns perfectly with the definition for 'Transaction in Own Shares' (POS).
2026-03-13 Japanese
確認書
Regulatory Filings Classification · 100% confidence The document is a 'Confirmation Letter' (確認書) filed under the Financial Instruments and Exchange Act. It serves as an officer certification regarding the accuracy of a semi-annual report. According to the 'CERTIFICATION RULE', documents that are primarily officer certifications or attestations, even if they reference a specific report type (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 57
2025-11-07 Japanese
半期報告書－第57期(2025/04/01－2026/03/31)
Interim / Quarterly Report Classification · 100% confidence The document is a '半期報告書' (Semi-Annual Report) for GEOSTR Corporation, covering the period from April 1, 2025, to September 30, 2025. It contains detailed financial statements, including the balance sheet and management analysis, which are characteristic of an interim financial report. It is not an announcement of a report, but the report itself, and it contains substantive financial data. H1 2025
2025-11-07 Japanese
臨時報告書
AGM Information Classification · 100% confidence The document is titled '臨時報告書' (Extraordinary Report) and explicitly states in Section 1 that it is being submitted based on Article 24-5, Paragraph 4 of the Financial Instruments and Exchange Act, following resolutions made at the 56th Annual General Meeting (AGM) held on June 25, 2025. Section 2 details the resolutions, including dividend approval, election of directors and auditors, and retirement benefits. The content is a formal report detailing the results of shareholder voting (votes for/against/abstain) for each resolution. This structure perfectly matches the definition of reporting the official results from a general meeting. Therefore, the classification is Declaration of Voting Results & Voting Rights Announcements (DVA).
2025-06-27 Japanese
確認書
Audit Report / Information Classification · 95% confidence The document is extremely short (711 characters) and contains a header section typical of Japanese regulatory filings, specifically mentioning '【提出書類】 確認書' (Filing Document: Confirmation Document) and referencing the Financial Instruments and Exchange Act ('金融商品取引法'). The core content confirms that the President and CFO have verified the appropriateness of the contents of the company's '第56期...有価証券報告書' (56th period... Annual Securities Report). Since this document is a short confirmation *about* the Annual Securities Report (which is equivalent to a 10-K in structure/purpose for Japanese filings) rather than the full report itself, and it serves as a formal declaration related to regulatory compliance, it fits best under the general 'Regulatory Filings' category (RNS) or potentially an Audit Report (AR) if it were a formal attestation. However, given the context of confirming the accuracy of the Annual Securities Report, and lacking the comprehensive nature of a 10-K or AR, RNS is the most appropriate fallback for a specific confirmation document that isn't explicitly defined elsewhere. It is not an Earnings Release (ER), Interim Report (IR), or a standard Audit Report (AR). Given the specific nature of confirming the accuracy of the Annual Securities Report, and the lack of a specific code for 'Confirmation of Annual Report Accuracy', RNS is the safest general regulatory filing classification. FY 2025
2025-06-26 Japanese
内部統制報告書－第56期(2024/04/01－2025/03/31)
Governance Information Classification · 100% confidence The document header explicitly states the filing type as "内部統制報告書" (Internal Control Report) and cites the legal basis as "金融商品取引法第24条の４の４第１項" (Article 24-4-4, Paragraph 1 of the Financial Instruments and Exchange Act). The content discusses the framework, scope, criteria, and results of the assessment of internal controls over financial reporting as of March 31, 2025. This directly corresponds to the requirements for an Audit Report / Information filing, which covers internal or regulatory stress tests and applied accounting principles, although in this specific context, it is a formal internal control report required under Japanese law. Given the provided definitions, 'AR' (Audit Report / Information) is the closest fit for a formal report detailing internal controls and assessment results, distinct from a full Annual Report (10-K) or a simple Earnings Release (ER).
2025-06-26 Japanese

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