What does NATIONAL STEEL CO do?

NATIONAL STEEL CO is a public company in the Steel Works, Blast Furnaces & Rolling & Finishing Mills industry, incorporated in D5. It is registered with the SEC under CIK 0001049659 and trades on NYSE under the ticker SID.

How many SEC filings has NATIONAL STEEL CO made?

NATIONAL STEEL CO has filed 1,001 documents with the SEC since 2006. These include annual reports (10-K), quarterly reports (10-Q), current event notices (8-K), and insider transaction disclosures (Form 4).

NATIONAL STEEL CO

SID NYSE CIK: 0001049659 Steel Works, Blast Furnaces & Rolling & Finishing Mills Inc. in D5

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Overview All Filings Annual Quarterly Insiders

Recent Filings

All 1,001 filings →

Form	Description	Date
6-K	6-K	Mar 27, 2026
3	PRIMARY DOCUMENT	Mar 26, 2026
3	PRIMARY DOCUMENT	Mar 23, 2026
3	PRIMARY DOCUMENT	Mar 23, 2026
3	PRIMARY DOCUMENT	Mar 23, 2026
3	PRIMARY DOCUMENT	Mar 23, 2026
3	PRIMARY DOCUMENT	Mar 23, 2026
6-K	6-K	Mar 23, 2026
3	PRIMARY DOCUMENT	Mar 18, 2026
3	PRIMARY DOCUMENT	Mar 18, 2026

Insider Transactions

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About This Profile

This page aggregates all publicly available SEC EDGAR data for NATIONAL STEEL CO. Financial figures are sourced from XBRL-tagged 10-K annual reports. Insider transactions are sourced from Form 4 filings required within two business days of a transaction.

Key Financials

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Details

CIK: 0001049659
Ticker: SID
Exchange: NYSE
Incorporated: D5
First Filing: 2006
Total Filings: 1,001

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