Skip to main content
Mitsui Mining and Smelting Company, Limited logo

Mitsui Mining and Smelting Company, Limited — Investor Relations & Filings

Ticker · 5706 ISIN · JP3888400003 LEI · 35380021EYAHSQM25559 T Manufacturing
Open in API
Filings indexed 80 across all filing types
Latest filing 2026-05-19 Investor Presentation
Country JP Japan
Listing T 5706

About Mitsui Mining and Smelting Company, Limited

https://www.mitsui-kinzoku.com/en/

Mitsui Mining and Smelting Company, Limited is a manufacturer and distributor of non-ferrous metals and engineered materials. The company's operations cover mineral resource development, non-ferrous metal smelting, advanced refining, and recycling processes. Its core product lines include a variety of non-ferrous metals like zinc and copper, precious metals, rare metals, and oxides. A key focus is the production and sale of functional engineered materials and electronic materials, which are supplied to various advanced technology sectors. The company leverages its integrated production system, from raw materials to high-value-added products, to serve a global market.

Recent filings

Filing Released Lang Actions
（訂正）「2026年3月期 決算説明資料」の一部訂正に関するお知らせ
Investor Presentation Classification · 90% confidence The document is Mitsui Kinzoku’s corrected “2026年3月期 決算説明資料” (financial results explanatory materials) slide deck—i.e., an earnings presentation to investors containing detailed tables, charts, forecasts, and segment commentary. It is not merely a brief earnings release or a link‐only notice, but the full presentation itself. This matches the “Investor Presentation” category.
2026-05-19 Japanese
訂正発行登録書
Capital/Financing Update Classification · 95% confidence The document is a '訂正発行登録書' (Amendment to Shelf Registration Statement) filed with the Kanto Local Finance Bureau. It relates to the registration of corporate bonds and updates the reference documents for a previously filed shelf registration. This type of regulatory filing regarding capital structure and financing instruments falls under the 'Capital/Financing Update' category.
2025-11-13 Japanese
訂正臨時報告書
Regulatory Filings Classification · 100% confidence The document is a 'Rinji Hokokusho' (Extraordinary Report) filed with the Kanto Local Finance Bureau in Japan. It details significant corporate events, specifically the divestiture of a subsidiary (Mitsui Kinzoku Act) and the resulting change in status of a specified subsidiary. Under the Japanese Financial Instruments and Exchange Act, these reports are mandatory disclosures for material events. Since it does not fit into specific categories like M&A (which usually refers to public takeover bids or merger proposals) or other specialized categories, and acts as a formal regulatory disclosure of material corporate changes, it is classified as a Regulatory Filing (RNS).
2025-11-13 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 by the CEO of Mitsui Kinzoku, confirming the accuracy of the contents of the semi-annual report. Per the 'Certification Rule', documents that are primarily officer certifications or attestations, even if they reference a report (like a semi-annual report), should be classified as Regulatory Filings (RNS) rather than the report itself. H1 101
2025-11-13 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 with the Kanto Local Finance Bureau in Japan, pursuant to the Financial Instruments and Exchange Act. It contains comprehensive financial data, including consolidated financial statements, management analysis (MD&A), and business performance for the interim period (April 1, 2025, to September 30, 2025). This fits the definition of an Interim/Quarterly Report (IR). H1 2026
2025-11-13 Japanese
訂正発行登録書
Capital/Financing Update Classification · 95% confidence The document is titled "訂正発行登録書" (Corrected Shelf Registration Statement) and is filed with the Kanto Local Finance Bureau (関東財務局長). It pertains to the issuance of corporate bonds ("社債"). The filing date is July 16, 2025. This document is a formal regulatory filing related to capital structure/financing activities, specifically correcting a previous shelf registration. While it relates to financing (CAP), the core nature of this specific document is a formal regulatory submission correcting prior information. Since it is a formal regulatory document that doesn't fit perfectly into the specific financing code (CAP) which usually implies the *announcement* of the financing, and it is a correction to a registration statement, it falls under the general regulatory filing category, RNS, as a specific form type is not provided in the options that perfectly matches a 'Corrected Shelf Registration Statement' other than the fallback. However, given the context of '社債' (corporate bonds) and '発行登録' (shelf registration), it is fundamentally a Capital/Financing Update (CAP) document, even if it's a correction. Since 'CAP' covers 'company fundraising, financing activities, or capital structure changes,' this correction to a bond shelf registration fits best under CAP. If CAP is too narrow, RNS is the fallback. Given the explicit mention of '社債' and '発行登録', CAP is the most specific fit among the provided options for a document detailing bond issuance registration status.
2025-07-16 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.