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RIKEN KEIKI CO.,LTD — Investor Relations & Filings

Ticker · 7734 ISIN · JP3971000009 T Manufacturing
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Filings indexed 91 across all filing types
Latest filing 2026-03-11 Transaction in Own Shar…
Country JP Japan
Listing T 7734

About RIKEN KEIKI CO.,LTD

https://www.rikenkeiki.co.jp/english

RIKEN KEIKI CO., LTD. is a specialized manufacturer focused on the research, development, and production of gas detection and environmental monitoring equipment. Established in 1939, the company leverages its extensive expertise in sensing technology to provide solutions that enhance safety in demanding industrial settings. Its comprehensive product portfolio features over 100 distinct types of gas detectors and related measurement instruments. These products are critical for applications in sectors such as semiconductor manufacturing, petroleum refining, steelmaking, and power generation. In addition to manufacturing, the company offers maintenance services, reinforcing its commitment to creating secure work environments.

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 '自己株券買付状況報告書' (Report on Status of Acquisition of Treasury Shares) filed under Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act of Japan. This document specifically details the company's share buyback activity (treasury shares) for the period of February 2026. According to the provided definitions, reports regarding a company buying back its own shares are classified as 'Transaction in Own Shares' (POS).
2026-03-11 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 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. This document specifically details the company's share buyback activity (repurchase of own shares) during the reporting period of December 2025. According to the provided filing definitions, reports regarding the company buying back its own shares are classified as 'Transaction in Own Shares' (POS).
2026-01-09 Japanese
確認書
Regulatory Filings Classification · 100% confidence The document is titled '確認書' (Confirmation Letter) and explicitly references '金融商品取引法第24条の５の２第１項' (Article 24-5-2, Paragraph 1 of the Financial Instruments and Exchange Act). It serves as an officer certification confirming the accuracy of a semi-annual report. According to the 'CERTIFICATION RULE', documents that are primarily officer certifications or attestations should be classified as Regulatory Filings (RNS), even if they reference a specific report type. H1 120
2025-11-11 Japanese
半期報告書－第120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) filed by Riken Keiki Co., Ltd. with the Kanto Local Finance Bureau under the Financial Instruments and Exchange Act. It contains comprehensive financial statements, including the balance sheet, income statement, and cash flow analysis for the interim period ending September 30, 2025. As it is a formal, substantive financial report for a period shorter than a full fiscal year, it is classified as an Interim/Quarterly Report. H1 2026
2025-11-11 Japanese
臨時報告書
Regulatory Filings
2025-06-27 Japanese
確認書
Audit Report / Information Classification · 98% confidence The document text contains Japanese regulatory headers such as "【提出書類】確認書" (Filing Document: Confirmation Document), "【根拠条文】金融商品取引法第24条の４の２第１項" (Legal Basis: Article 24-4-2, Paragraph 1 of the Financial Instruments and Exchange Act), and references to "有価証券報告書" (Annual Securities Report/10-K equivalent). The content explicitly states that the Representative Director confirms the appropriateness of the contents of the company's Annual Securities Report for the fiscal year ending March 31, 2025. This document is a formal confirmation/attestation related to the filing of the Annual Securities Report (which corresponds to the 10-K in the US context). Since the document itself is a confirmation statement about the accuracy of the main annual filing, and not the full 10-K, it is best classified as a general Regulatory Filing (RNS) or potentially related to the Audit Report (AR) if it were the auditor's opinion. However, given the context of confirming the *contents* of the *Annual Securities Report* (which is the Japanese equivalent of a 10-K), and the short length (575 chars) suggesting it's an ancillary document rather than the full report, it fits best under the general Regulatory Filings (RNS) category, as it is a specific regulatory submission related to the annual filing process that doesn't match other specific codes like AR (Audit Report) or 10-K (the report itself). Given the strong link to the annual filing process, RNS is the most appropriate fallback for this specific confirmation document. FY 2025
2025-06-26 Japanese

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