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CSN MINERAÇÃO S.A. — Investor Relations & Filings

SA Mining and quarrying
Open in API
Filings indexed 67 across all filing types
Latest filing 2026-04-06 Regulatory Filings
Country BR Brazil
Listing SA

About CSN MINERAÇÃO S.A.

CSN Mineração S.A. is a major producer and exporter of iron ore, ranking among the most competitive entities in the global seaborne market. The company's primary operations involve the extraction, processing, and commercialization of iron ore through key assets such as the Casa de Pedra, Engenho, and Pires mines. Its product portfolio features high-grade iron ore variants, including lump, sinter feed, and pellet feed, primarily serving international markets in Asia and Europe. As a subsidiary of Companhia Siderúrgica Nacional, the company utilizes integrated logistics and large-scale production capabilities to maintain its status as a leading supplier. Beyond iron ore, the company also engages in tin mining and smelting. The organization focuses on operational efficiency and the supply of high-quality mineral resources to support global steel production.

Recent filings

Filing Released Lang Actions
FRE - Formulário de Referência
Regulatory Filings
2026-04-06 Portuguese
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Transaction in Own Shares Classification · 1% confidence The document is an individual form in Portuguese detailing the company’s own transactions in its securities (specifically the cancellation of treasury shares). This matches the category for company transactions in its own shares (buybacks, cancellations). Therefore, it is classified as POS (Transaction in Own Shares).
2026-04-06 Portuguese
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Director's Dealing Classification · 1% confidence The document is a consolidated form titled “Negociação de Administradores e Pessoas Ligadas,” detailing the securities holdings and transactions of company directors, controllers, and related persons for March 2026. It reports insider positions and confirms no trades were executed, which aligns with insider trading (director’s dealing) disclosures. This matches the category for reports of personal share transactions by company directors and executives.
2026-04-06 Portuguese
DFP 2025 v2
Regulatory Filings
2026-03-12 Portuguese
DFP 2025
Regulatory Filings
2026-03-11 Portuguese
ITR 2025-Q3
Regulatory Filings
2025-11-04 Portuguese

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