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Nippon Koshuha Steel Co., Ltd. — Investor Relations & Filings

Ticker · 5476 ISIN · JP3706400003 T Manufacturing
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Filings indexed 65 across all filing types
Latest filing 2025-11-07 Regulatory Filings
Country JP Japan
Listing T 5476

About Nippon Koshuha Steel Co., Ltd.

https://www.koshuha.co.jp/eng/

Nippon Koshuha Steel Co., Ltd. is a manufacturer specializing in high-grade specialty steels and superalloys. The company produces and supplies a diverse range of products designed for demanding applications. Its portfolio includes tool steels (such as cold-work and hot-work varieties), special alloys with heat-resistant and corrosion-resistant properties, bearing steel, and stainless steel. The company also manufactures forged steel products, steel wire, wire rods, bars, and secondary-processed items like precision metal molds. It focuses on an innovative approach to the manufacturing of its specialized materials.

Recent filings

Filing Released Lang Actions
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 regarding the accuracy of the contents 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 101
2025-11-07 Japanese
半期報告書－第101期(2025/04/01－2026/03/31)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Semi-Annual Report' (半期報告書) filed under the Financial Instruments and Exchange Act of Japan. It contains comprehensive financial statements, including the balance sheet, income statement, and cash flow statement for the interim period (April 1, 2025, to September 30, 2025). It is a formal regulatory filing containing substantive financial data, which fits the definition of an Interim/Quarterly Report (IR). H1 2026
2025-11-07 Japanese
臨時報告書
Regulatory Filings
2025-06-25 Japanese
確認書
Regulatory Filings Classification · 95% confidence The document is a 'Confirmation Letter' (確認書) filed under the Financial Instruments and Exchange Act, Article 24-4-2, Paragraph 4. It serves as an officer certification regarding the accuracy of a previously filed corrected Annual Securities Report (有価証券報告書). According to the 'Certification Rule', documents that are primarily officer certifications or attestations, even if they reference a report, should be classified as Regulatory Filings (RNS). FY 2024
2025-06-24 Japanese
訂正有価証券報告書－第99期(2023/04/01－2024/03/31)
Annual Report Classification · 100% confidence The document is a '訂正有価証券報告書' (Amended Securities Report) filed with the Kanto Local Finance Bureau under the Financial Instruments and Exchange Act. It contains detailed financial data, including consolidated financial indicators for the 99th fiscal year. While it is an amendment, it functions as a comprehensive annual financial report (10-K equivalent in the Japanese market). FY 2024
2025-06-24 Japanese
内部統制報告書－第100期(2024/04/01－2025/03/31)
Governance Information Classification · 100% confidence The document explicitly states in the header section that the filing is an "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). This type of report, which assesses the effectiveness of internal controls over financial reporting, is a mandatory annual filing in Japan, analogous to the Sarbanes-Oxley Section 404 report in the US. Among the provided codes, 'AR' (Audit Report / Information) is the closest fit, as internal control reports often accompany or are closely related to the annual audit process and cover internal controls, even though 'AR' is defined broadly. However, given the specific nature of the document being an 'Internal Control Report' and the lack of a dedicated code for this specific Japanese filing type, 'AR' is the most appropriate classification representing a formal report on internal assurance/audit matters, distinct from a full Annual Report (10-K) or an Earnings Release (ER). The document is a full report, not an announcement of a report.
2025-06-24 Japanese

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