National Steel Co SEC filings SID

National Steel Co has 1,000 filings in SEC EDGAR's recent list, going back to Jan 11, 2007. Its latest annual report, Form 20-F, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 30, 2026. The company's fiscal year ends on December 31.

National Steel Co SEC filings
Form Description Filed Period
6-K Current report (foreign issuer) Oct 30, 2026 Dec 31, 2026
6-K Current report (foreign issuer) Oct 9, 2026 Dec 31, 2026
6-K Current report (foreign issuer) Sep 29, 2026 Sep 30, 2026
3 Initial insider ownership Sep 18, 2026 Sep 3, 2026
6-K Current report (foreign issuer) Sep 15, 2026 Sep 30, 2026
6-K Current report (foreign issuer) Sep 14, 2026 Sep 30, 2026
6-K Current report (foreign issuer) Sep 3, 2026 Sep 30, 2026
6-K Current report (foreign issuer) Aug 27, 2026 Jun 30, 2026
6-K Current report (foreign issuer) Aug 13, 2026 Jun 30, 2026
6-K Current report (foreign issuer) Aug 11, 2026 Sep 30, 2026
6-K Current report (foreign issuer) Aug 11, 2026 Sep 30, 2026
6-K Current report (foreign issuer) Aug 10, 2026 Sep 30, 2026
6-K Current report (foreign issuer) Jul 31, 2026 Sep 30, 2026
6-K Current report (foreign issuer) Jul 31, 2026 Mar 31, 2026
6-K Current report (foreign issuer) May 29, 2026 Mar 31, 2026
SD Specialized disclosure (conflict minerals) May 29, 2026 —
6-K Current report (foreign issuer) May 14, 2026 Mar 31, 2026
6-K Current report (foreign issuer) Apr 30, 2026 Jun 30, 2026
20-F Annual report (foreign issuer) Apr 30, 2026 Dec 31, 2025
3 Initial insider ownership Apr 7, 2026 Apr 30, 2025
6-K Current report (foreign issuer) Mar 27, 2026 Dec 31, 2025
3 Initial insider ownership Mar 26, 2026 Dec 9, 2025
3 Initial insider ownership Mar 23, 2026 Dec 9, 2025
3 Initial insider ownership Mar 23, 2026 Apr 30, 2025
3 Initial insider ownership Mar 23, 2026 Apr 30, 2025
3 Initial insider ownership Mar 23, 2026 Apr 30, 2025
3 Initial insider ownership Mar 23, 2026 Apr 30, 2025
6-K Current report (foreign issuer) Mar 23, 2026 Mar 31, 2026
3 Initial insider ownership Mar 18, 2026 Dec 9, 2025
3 Initial insider ownership Mar 18, 2026 Dec 9, 2025
3 Initial insider ownership Mar 18, 2026 Dec 9, 2025
3 Initial insider ownership Mar 18, 2026 Apr 30, 2025
3 Initial insider ownership Mar 18, 2026 Dec 9, 2025
3 Initial insider ownership Mar 18, 2026 Dec 9, 2025
6-K Current report (foreign issuer) Mar 12, 2026 Mar 31, 2026
6-K Current report (foreign issuer) Mar 12, 2026 Dec 31, 2025
6-K Current report (foreign issuer) Jan 15, 2026 Mar 31, 2026
6-K Current report (foreign issuer) Jan 15, 2026 Mar 31, 2026
6-K Current report (foreign issuer) Jan 12, 2026 Mar 31, 2026
6-K Current report (foreign issuer) Dec 19, 2025 Dec 31, 2025
6-K Current report (foreign issuer) Dec 17, 2025 Dec 31, 2025
6-K Current report (foreign issuer) Nov 20, 2025 Sep 30, 2025
6-K Current report (foreign issuer) Nov 10, 2025 Sep 30, 2025
6-K Current report (foreign issuer) Aug 15, 2025 Jun 30, 2025
6-K Current report (foreign issuer) Aug 6, 2025 Sep 30, 2025
6-K Current report (foreign issuer) Aug 1, 2025 Jun 30, 2025
6-K Current report (foreign issuer) Jul 31, 2025 Sep 30, 2025
6-K Current report (foreign issuer) Jul 14, 2025 Sep 30, 2025
SD Specialized disclosure (conflict minerals) May 30, 2025 —
6-K Current report (foreign issuer) May 22, 2025 Mar 31, 2025
6-K Current report (foreign issuer) May 9, 2025 Mar 31, 2025
6-K Current report (foreign issuer) May 9, 2025 Jun 30, 2025
6-K Current report (foreign issuer) May 1, 2025 Jun 30, 2025
20-F Annual report (foreign issuer) Apr 30, 2025 Dec 31, 2024
6-K Current report (foreign issuer) Apr 2, 2025 Jun 30, 2025
6-K Current report (foreign issuer) Mar 28, 2025 Dec 31, 2024
6-K Current report (foreign issuer) Mar 13, 2025 Dec 31, 2024
6-K Current report (foreign issuer) Jan 21, 2025 Mar 31, 2025
6-K Current report (foreign issuer) Dec 31, 2024 Dec 31, 2024
6-K Current report (foreign issuer) Dec 11, 2024 Dec 31, 2024
6-K Current report (foreign issuer) Dec 11, 2024 Dec 31, 2024
6-K Current report (foreign issuer) Dec 4, 2024 Dec 31, 2024
6-K Current report (foreign issuer) Nov 27, 2024 Sep 30, 2024
6-K Current report (foreign issuer) Nov 20, 2024 Dec 31, 2024
6-K Current report (foreign issuer) Nov 15, 2024 Dec 31, 2024
6-K Current report (foreign issuer) Nov 14, 2024 Sep 30, 2024
6-K Current report (foreign issuer) Nov 6, 2024 Dec 31, 2024
6-K Current report (foreign issuer) Nov 6, 2024 Dec 31, 2024
6-K/A Filing Oct 17, 2024 Dec 31, 2024
6-K Current report (foreign issuer) Oct 16, 2024 Dec 31, 2023
6-K Current report (foreign issuer) Sep 18, 2024 Sep 30, 2024
6-K Current report (foreign issuer) Aug 27, 2024 Jun 30, 2024
6-K Current report (foreign issuer) Aug 14, 2024 Sep 30, 2024
6-K Current report (foreign issuer) Aug 13, 2024 Jun 30, 2024
6-K Current report (foreign issuer) Jul 24, 2024 Sep 30, 2024
6-K Current report (foreign issuer) Jun 18, 2024 Jun 30, 2024
6-K Current report (foreign issuer) Jun 6, 2024 Mar 31, 2024
SD Specialized disclosure (conflict minerals) May 29, 2024 —
UPLOAD Letter from the SEC May 22, 2024 —
CORRESP Letter to the SEC May 16, 2024 —
6-K Current report (foreign issuer) May 14, 2024 Jun 30, 2024
UPLOAD Letter from the SEC May 2, 2024 —
6-K Current report (foreign issuer) May 2, 2024 Jun 30, 2024
6-K Current report (foreign issuer) May 2, 2024 Jun 30, 2024
20-F Annual report (foreign issuer) May 1, 2024 Dec 31, 2023
6-K Current report (foreign issuer) Apr 30, 2024 Dec 31, 2023
20-F/A Amended annual report (foreign issuer) Apr 26, 2024 Dec 31, 2022
6-K Current report (foreign issuer) Apr 12, 2024 Jun 30, 2024
CORRESP Letter to the SEC Apr 2, 2024 —
UPLOAD Letter from the SEC Mar 19, 2024 —
6-K Current report (foreign issuer) Mar 18, 2024 Mar 31, 2024
6-K Current report (foreign issuer) Mar 7, 2024 Dec 31, 2023
CORRESP Letter to the SEC Mar 6, 2024 —
UPLOAD Letter from the SEC Feb 28, 2024 —
6-K Current report (foreign issuer) Feb 23, 2024 Mar 31, 2024
6-K Current report (foreign issuer) Feb 9, 2024 Mar 31, 2024
6-K Current report (foreign issuer) Feb 8, 2024 Mar 31, 2024
CORRESP Letter to the SEC Feb 6, 2024 —
UPLOAD Letter from the SEC Jan 23, 2024 —
6-K Current report (foreign issuer) Jan 16, 2024 Mar 31, 2024
CORRESP Letter to the SEC Jan 8, 2024 —
6-K Current report (foreign issuer) Dec 28, 2023 Sep 30, 2023
6-K Current report (foreign issuer) Dec 28, 2023 Sep 30, 2023
CORRESP Letter to the SEC Dec 21, 2023 —
6-K Current report (foreign issuer) Dec 15, 2023 Dec 31, 2023
UPLOAD Letter from the SEC Dec 7, 2023 —
6-K Current report (foreign issuer) Dec 6, 2023 Dec 31, 2023
6-K Current report (foreign issuer) Dec 1, 2023 Dec 31, 2023
6-K Current report (foreign issuer) Nov 29, 2023 Dec 31, 2023
6-K Current report (foreign issuer) Nov 28, 2023 Sep 30, 2023
6-K Current report (foreign issuer) Nov 14, 2023 Dec 31, 2023
6-K Current report (foreign issuer) Nov 14, 2023 Sep 30, 2023
6-K Current report (foreign issuer) Nov 14, 2023 Dec 31, 2023
6-K Current report (foreign issuer) Oct 30, 2023 Dec 31, 2023
6-K Current report (foreign issuer) Aug 29, 2023 Jun 30, 2023
6-K Current report (foreign issuer) Aug 3, 2023 Jun 30, 2023
6-K Current report (foreign issuer) May 22, 2023 Mar 31, 2023
SD Specialized disclosure (conflict minerals) May 8, 2023 —
6-K Current report (foreign issuer) May 4, 2023 Mar 31, 2023
6-K Current report (foreign issuer) Apr 28, 2023 Jun 30, 2023
20-F Annual report (foreign issuer) Apr 28, 2023 Dec 31, 2022
6-K Current report (foreign issuer) Apr 24, 2023 Dec 31, 2022
6-K Current report (foreign issuer) Mar 31, 2023 Mar 31, 2023
6-K Current report (foreign issuer) Mar 31, 2023 Mar 31, 2023
6-K Current report (foreign issuer) Mar 29, 2023 Mar 31, 2023
6-K Current report (foreign issuer) Mar 9, 2023 Dec 31, 2022
6-K Current report (foreign issuer) Jan 13, 2023 Mar 31, 2023
6-K Current report (foreign issuer) Dec 27, 2022 Dec 31, 2022
6-K Current report (foreign issuer) Dec 23, 2022 Dec 31, 2022
6-K Current report (foreign issuer) Dec 23, 2022 Dec 31, 2022
6-K Current report (foreign issuer) Dec 21, 2022 Dec 31, 2022
6-K Current report (foreign issuer) Dec 15, 2022 Dec 31, 2022
6-K Current report (foreign issuer) Nov 30, 2022 Sep 30, 2022
6-K Current report (foreign issuer) Nov 25, 2022 Dec 31, 2022
6-K Current report (foreign issuer) Nov 22, 2022 Dec 31, 2022
6-K Current report (foreign issuer) Nov 22, 2022 Dec 31, 2022
6-K Current report (foreign issuer) Nov 16, 2022 Dec 31, 2022
6-K Current report (foreign issuer) Nov 1, 2022 Sep 30, 2022
6-K Current report (foreign issuer) Nov 1, 2022 Sep 30, 2022
6-K Current report (foreign issuer) Nov 1, 2022 Dec 31, 2022
6-K Current report (foreign issuer) Oct 21, 2022 Dec 31, 2022
6-K Current report (foreign issuer) Oct 7, 2022 Dec 31, 2021
6-K Current report (foreign issuer) Sep 7, 2022 Sep 30, 2022
6-K Current report (foreign issuer) Aug 31, 2022 Jun 30, 2022
6-K Current report (foreign issuer) Aug 18, 2022 Sep 30, 2022
6-K Current report (foreign issuer) Aug 17, 2022 Sep 30, 2022
6-K Current report (foreign issuer) Aug 16, 2022 Jun 30, 2022
6-K Current report (foreign issuer) Aug 16, 2022 Sep 30, 2022
6-K Current report (foreign issuer) Aug 1, 2022 Sep 30, 2022
6-K Current report (foreign issuer) Jul 26, 2022 Sep 30, 2022
6-K Current report (foreign issuer) Jul 5, 2022 Sep 30, 2022
6-K Current report (foreign issuer) Jul 1, 2022 Jun 30, 2022
6-K Current report (foreign issuer) Jun 17, 2022 Mar 31, 2022
SD Specialized disclosure (conflict minerals) May 31, 2022 —
6-K Current report (foreign issuer) May 19, 2022 Jun 30, 2022
6-K Current report (foreign issuer) May 18, 2022 Jun 30, 2022
20-F Annual report (foreign issuer) May 18, 2022 Dec 31, 2021
6-K Current report (foreign issuer) May 5, 2022 Mar 31, 2022
NT 20-F Filing May 2, 2022 Dec 31, 2021
6-K Current report (foreign issuer) Apr 5, 2022 Dec 31, 2021
6-K Current report (foreign issuer) Mar 14, 2022 Mar 31, 2022
6-K Current report (foreign issuer) Mar 10, 2022 Dec 31, 2021
EFFECT Filing Mar 8, 2022 —
6-K Current report (foreign issuer) Mar 8, 2022 Mar 31, 2022
F-6 Filing Feb 24, 2022 —
6-K Current report (foreign issuer) Feb 17, 2022 Mar 31, 2022
6-K Current report (foreign issuer) Feb 4, 2022 Mar 31, 2022
6-K Current report (foreign issuer) Feb 3, 2022 Mar 31, 2022
6-K Current report (foreign issuer) Jan 20, 2022 Dec 31, 2021
6-K Current report (foreign issuer) Jan 20, 2022 Sep 30, 2021
6-K Current report (foreign issuer) Dec 7, 2021 Dec 31, 2021
6-K Current report (foreign issuer) Nov 24, 2021 Dec 31, 2021
6-K Current report (foreign issuer) Nov 4, 2021 Dec 31, 2021
6-K Current report (foreign issuer) Nov 4, 2021 Sep 30, 2021
6-K Current report (foreign issuer) Sep 10, 2021 Sep 30, 2021
6-K Current report (foreign issuer) Aug 17, 2021 Jun 30, 2021
6-K Current report (foreign issuer) Jul 28, 2021 Jun 30, 2021
6-K Current report (foreign issuer) Jun 30, 2021 Jun 30, 2021
6-K/A Filing Jun 22, 2021 Jun 30, 2021
6-K Current report (foreign issuer) Jun 22, 2021 Jun 30, 2021
6-K Current report (foreign issuer) Jun 11, 2021 Jun 30, 2021
6-K Current report (foreign issuer) Jun 11, 2021 Jun 30, 2021
6-K Current report (foreign issuer) Jun 4, 2021 Jun 30, 2021
6-K Current report (foreign issuer) Jun 3, 2021 Jun 30, 2021
6-K Current report (foreign issuer) Jun 2, 2021 Jun 30, 2021
SD Specialized disclosure (conflict minerals) Jun 1, 2021 —
6-K Current report (foreign issuer) May 18, 2021 Jun 30, 2021
6-K Current report (foreign issuer) May 10, 2021 Mar 31, 2021
6-K Current report (foreign issuer) May 3, 2021 Dec 31, 2020
6-K Current report (foreign issuer) Apr 29, 2021 Mar 31, 2021
6-K Current report (foreign issuer) Apr 29, 2021 Jun 30, 2021
6-K Current report (foreign issuer) Apr 29, 2021 Mar 31, 2021
6-K Current report (foreign issuer) Apr 19, 2021 Jun 30, 2021
6-K Current report (foreign issuer) Apr 19, 2021 Jun 30, 2021
20-F Annual report (foreign issuer) Apr 13, 2021 Dec 31, 2020
6-K Current report (foreign issuer) Feb 23, 2021 Mar 31, 2021
6-K Current report (foreign issuer) Feb 23, 2021 Dec 31, 2020
6-K Current report (foreign issuer) Feb 23, 2021 Mar 31, 2021
6-K Current report (foreign issuer) Feb 17, 2021 Mar 31, 2021
6-K Current report (foreign issuer) Feb 12, 2021 Mar 31, 2021

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Steel Works, Blast Furnaces & Rolling & Finishing Mills (SIC 3310)
Listed as
SID (NYSE)
Fiscal year ends
December 31
Incorporated in
Brazil
Headquarters
Sao Paulo
SEC filer status
Large accelerated filer
SEC CIK
1049659

Other Steel Works, Blast Furnaces & Rolling & Finishing Mills companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.