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MITSUBISHI MATERIALS CORPORATION — Investor Relations & Filings

Ticker · 5711 ISIN · JP3903000002 LEI · 35380076QOBOSOUBRT89 T Manufacturing
Open in API
Filings indexed 99 across all filing types
Latest filing 2026-04-02 Capital/Financing Update
Country JP Japan
Listing T 5711

About MITSUBISHI MATERIALS CORPORATION

https://www.mmc.co.jp/corporate/en/

Mitsubishi Materials Corporation is a diversified manufacturer of nonferrous metals, advanced materials, and related products. The company's core operations are organized into several business segments. The Metals business focuses on smelting and refining nonferrous metals, with a primary emphasis on copper and copper alloy products. The Advanced Products segment manufactures and sells high-value-added functional materials, including electronic materials, components, and cemented carbide tools. Other significant operations include the production of cement and the development of environmental and recycling technologies. The company actively promotes a circular economy through its recycled metals brand, processing materials like tin, lead, bismuth, and precious metals.

Recent filings

Filing Released Lang Actions
訂正発行登録書
Capital/Financing Update Classification · 1% confidence The document is a Japanese “訂正発行登録書” (Correction Issuance Registration Statement) filed with the Kanto Finance Bureau relating to the registration of corporate bond issuance (社債). This clearly pertains to the company’s financing activities (bond issuance registration and related corrections). It is not an annual or interim report, earnings release, AGM material, management change, or other governance statement, so it falls under Capital/Financing Update (CAP).
2026-04-02 Japanese
訂正発行登録書
Regulatory Filings Classification · 1% confidence The document is a formal Japanese “訂正発行登録書” (corrected issuance registration statement) filed with the Kanto Finance Bureau for registering corporate bonds. It is a regulatory form rather than a shareholder meeting document, financial report or earnings release. There is no prospectus-specific category, so it falls under the generic Regulatory Filings (RNS) fallback.
2026-03-25 Japanese
発行登録追補書類（株券､社債券等）
Capital/Financing Update Classification · 1% confidence The document is a '発行登録追補書類' (Shelf Registration Supplement) filed with the Kanto Local Finance Bureau by Mitsubishi Materials Corporation. It details the issuance of corporate bonds (第41回 and 第42回無担保社債), including terms, interest rates, and use of proceeds. This type of document is a formal regulatory filing related to capital raising activities, which falls under the 'Capital/Financing Update' category.
2026-02-20 Japanese
発行登録書（株券､社債券等）
Capital/Financing Update Classification · 1% confidence The document is a 'Shelf Registration Statement' (発行登録書) filed with the Kanto Local Finance Bureau by Mitsubishi Materials Corporation. This document is a regulatory filing under the Financial Instruments and Exchange Act of Japan, used to register the potential issuance of corporate bonds over a specified period. It does not fit into specific categories like 10-K, Earnings Release, or M&A. As it is a formal regulatory filing for capital raising purposes that does not fall into the other specific categories, it is classified as a Regulatory Filing (RNS).
2026-02-05 Japanese
確認書
Regulatory Filings Classification · 1% 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 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, should be classified as Regulatory Filings (RNS) rather than the report itself. H1 101
2025-11-11 Japanese
半期報告書－第101期(2025/04/01－2026/03/31)
Interim / Quarterly Report Classification · 1% confidence The document is a '半期報告書' (Semi-Annual Report) filed under the Financial Instruments and Exchange Act of Japan. It contains comprehensive financial statements, management analysis (MDA), and corporate information 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

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