NATIONAL STEEL CO SEC EDGAR Filings (CIK 0001049659)

SEC EDGAR filings, ownership reports, and insider transactions for NATIONAL STEEL CO.

Symbol
SID on NYSE
Industry
Steel Works, Blast Furnaces & Rolling & Finishing Mills (Office Of Manufacturing)
Business address
Brigadeiro Faria Lima Avenue, 3400, Itaim Bibi 19/20 Floor, Sao Paulo, 04538-132
State of incorporation
Brazil
Fiscal year end
31 December
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NATIONAL STEEL CO has filed 1,166 SEC EDGAR filings since 22 Jan 2002

Latest Filings

Recent SEC filings for NATIONAL STEEL CO including 6-K, SD, 20-F and more.

Form type Document Filing Description Filing date Reporting date File number(s)
6-K Open 6-K document View SEC filing for 6-K 6-K 15 Jan 2026 31 Mar 2026 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 15 Jan 2026 31 Mar 2026 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 12 Jan 2026 31 Mar 2026 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 19 Dec 2025 31 Dec 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 17 Dec 2025 31 Dec 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 20 Nov 2025 30 Sep 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 10 Nov 2025 30 Sep 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 15 Aug 2025 30 Jun 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 06 Aug 2025 30 Sep 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Aug 2025 30 Jun 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 31 Jul 2025 30 Sep 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 14 Jul 2025 30 Sep 2025 001-14732
SD Open SD document View SEC filing for SD SD 30 May 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 22 May 2025 31 Mar 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 09 May 2025 31 Mar 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 09 May 2025 30 Jun 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 01 May 2025 30 Jun 2025 001-14732
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 30 Apr 2025 31 Dec 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 02 Apr 2025 30 Jun 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 28 Mar 2025 31 Dec 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 13 Mar 2025 31 Dec 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 21 Jan 2025 31 Mar 2025 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 31 Dec 2024 31 Dec 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 11 Dec 2024 31 Dec 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 11 Dec 2024 31 Dec 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 04 Dec 2024 31 Dec 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 27 Nov 2024 30 Sep 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 20 Nov 2024 31 Dec 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 15 Nov 2024 31 Dec 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 14 Nov 2024 30 Sep 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 06 Nov 2024 31 Dec 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 06 Nov 2024 31 Dec 2024 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A 6-K/A 17 Oct 2024 31 Dec 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 16 Oct 2024 31 Dec 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 18 Sep 2024 30 Sep 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 27 Aug 2024 30 Jun 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 14 Aug 2024 30 Sep 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 13 Aug 2024 30 Jun 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 24 Jul 2024 30 Sep 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Jun 2024 30 Jun 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 06 Jun 2024 31 Mar 2024 001-14732
SD Open SD document View SEC filing for SD SD 29 May 2024 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 22 May 2024 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 16 May 2024
6-K Open 6-K document View SEC filing for 6-K 6-K 14 May 2024 30 Jun 2024 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 02 May 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 02 May 2024 30 Jun 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 02 May 2024 30 Jun 2024 001-14732
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 01 May 2024 31 Dec 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 30 Apr 2024 31 Dec 2023 001-14732
20-F/A Open 20-F/A document View SEC filing for 20-F/A 20-F/A 26 Apr 2024 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 12 Apr 2024 30 Jun 2024 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 02 Apr 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Mar 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Mar 2024 31 Mar 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 07 Mar 2024 31 Dec 2023 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Mar 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 Feb 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 23 Feb 2024 31 Mar 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 09 Feb 2024 31 Mar 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 08 Feb 2024 31 Mar 2024 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Feb 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 23 Jan 2024 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 16 Jan 2024 31 Mar 2024 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 08 Jan 2024
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 28 Dec 2023 30 Sep 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 28 Dec 2023 30 Sep 2023 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 21 Dec 2023
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 15 Dec 2023 31 Dec 2023 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 07 Dec 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 06 Dec 2023 31 Dec 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Dec 2023 31 Dec 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Nov 2023 31 Dec 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 28 Nov 2023 30 Sep 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Nov 2023 31 Dec 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Nov 2023 30 Sep 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 14 Nov 2023 31 Dec 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 30 Oct 2023 31 Dec 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 29 Aug 2023 30 Jun 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 03 Aug 2023 30 Jun 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 22 May 2023 31 Mar 2023 001-14732
SD Open SD document View SEC filing for SD SD 08 May 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 04 May 2023 31 Mar 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 28 Apr 2023 30 Jun 2023 001-14732
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 28 Apr 2023 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 24 Apr 2023 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 31 Mar 2023 31 Mar 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 31 Mar 2023 31 Mar 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Mar 2023 31 Mar 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 09 Mar 2023 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 13 Jan 2023 31 Mar 2023 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 27 Dec 2022 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 23 Dec 2022 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 23 Dec 2022 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 21 Dec 2022 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 15 Dec 2022 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 30 Nov 2022 30 Sep 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 Nov 2022 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 22 Nov 2022 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 22 Nov 2022 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 16 Nov 2022 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 01 Nov 2022 30 Sep 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Nov 2022 30 Sep 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Nov 2022 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 21 Oct 2022 31 Dec 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 07 Oct 2022 31 Dec 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 07 Sep 2022 30 Sep 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 31 Aug 2022 30 Jun 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 18 Aug 2022 30 Sep 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 Aug 2022 30 Sep 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 16 Aug 2022 30 Jun 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 16 Aug 2022 30 Sep 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Aug 2022 30 Sep 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 26 Jul 2022 30 Sep 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 05 Jul 2022 30 Sep 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Jul 2022 30 Jun 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 17 Jun 2022 31 Mar 2022 001-14732
SD Open SD document View SEC filing for SD SD 31 May 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 19 May 2022 30 Jun 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 18 May 2022 30 Jun 2022 001-14732
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20-F 18 May 2022 31 Dec 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 05 May 2022 31 Mar 2022 001-14732
NT 20-F Open NT 20-F document View SEC filing for NT 20-F NT 20-F 02 May 2022 31 Dec 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 05 Apr 2022 31 Dec 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20220311_6K 14 Mar 2022 31 Mar 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDPR4Q21_6K 10 Mar 2022 31 Dec 2021 001-14732
EFFECT Open EFFECT document View SEC filing for EFFECT 08 Mar 2022 333-262962
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 08 Mar 2022 31 Mar 2022 001-14732
F-6 Open F-6 document View SEC filing for F-6 24 Feb 2022 333-262962
6-K Open 6-K document View SEC filing for 6-K SID20220217_6K 17 Feb 2022 31 Mar 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 04 Feb 2022 31 Mar 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 03 Feb 2022 31 Mar 2022 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 20 Jan 2022 31 Dec 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 20 Jan 2022 30 Sep 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 07 Dec 2021 31 Dec 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20211124_6K 24 Nov 2021 31 Dec 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20211103_6K 04 Nov 2021 31 Dec 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDPR3Q21_6K 04 Nov 2021 30 Sep 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 10 Sep 2021 30 Sep 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 17 Aug 2021 30 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 28 Jul 2021 30 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 30 Jun 2021 30 Jun 2021 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A 6-K/A 22 Jun 2021 30 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 22 Jun 2021 30 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20210611_6K1 11 Jun 2021 30 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20210611_6K 11 Jun 2021 30 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 04 Jun 2021 30 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 03 Jun 2021 30 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 02 Jun 2021 30 Jun 2021 001-14732
SD Open SD document View SEC filing for SD FORM SD 01 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 18 May 2021 30 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDITR1Q21_6K 10 May 2021 31 Mar 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDFS2020_6K 03 May 2021 31 Dec 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Apr 2021 31 Mar 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Apr 2021 30 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Apr 2021 31 Mar 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 19 Apr 2021 30 Jun 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 19 Apr 2021 30 Jun 2021 001-14732
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F SIDFORM20F_2020 13 Apr 2021 31 Dec 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 23 Feb 2021 31 Mar 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDPR4Q20_6K 23 Feb 2021 31 Dec 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20210222_6K 23 Feb 2021 31 Mar 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 Feb 2021 31 Mar 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 12 Feb 2021 31 Mar 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20210115_6K 15 Jan 2021 31 Mar 2021 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 23 Dec 2020 31 Dec 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20201210_6K1 10 Dec 2020 31 Dec 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 10 Dec 2020 31 Dec 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 09 Dec 2020 31 Dec 2020 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Dec 2020
6-K Open 6-K document View SEC filing for 6-K SID20201207_6K 07 Dec 2020 31 Dec 2020 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 02 Dec 2020
6-K Open 6-K document View SEC filing for 6-K SID20201119_6K 19 Nov 2020 31 Dec 2020 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 17 Nov 2020
6-K Open 6-K document View SEC filing for 6-K SID20201110_6K1 12 Nov 2020 31 Dec 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 10 Nov 2020 31 Dec 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 05 Nov 2020 31 Dec 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 03 Nov 2020 30 Sep 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 19 Oct 2020 31 Dec 2020 001-14732
F-6 POS Open F-6 POS document View SEC filing for F-6 POS 19 Oct 2020 333-165772
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 16 Oct 2020 31 Dec 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDPR3Q20_6K 16 Oct 2020 30 Sep 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 16 Oct 2020 31 Dec 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 21 Sep 2020 30 Sep 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 21 Sep 2020 30 Sep 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 21 Sep 2020 30 Sep 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 26 Aug 2020 30 Sep 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDITR2Q20_6K 13 Aug 2020 30 Jun 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Jul 2020 30 Jun 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Jul 2020 30 Jun 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20200728_6K 29 Jul 2020 30 Sep 2020 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A FORM 6-K/A 21 Jul 2020 30 Sep 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 16 Jul 2020 30 Sep 2020 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SIDITR1Q20_6KA 22 Jun 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDITR1Q20_6K 15 Jun 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20200608_6K 09 Jun 2020 30 Jun 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20200529_6K 29 May 2020 30 Jun 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20200522_6K 26 May 2020 30 Jun 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20200515_6K 15 May 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20200514_6K 15 May 2020 30 Jun 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 15 May 2020 31 Mar 2020 001-14732
SD Open SD document View SEC filing for SD FORM SD 05 May 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20200430_6K1 01 May 2020 30 Jun 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20200430_6K 30 Apr 2020 30 Jun 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDFS2019_6K 17 Apr 2020 31 Dec 2019 001-14732
20-F/A Open 20-F/A document | Open XBRL data View SEC filing for 20-F/A SIDFORM20F_2019A 14 Apr 2020 31 Dec 2019 001-14732
20-F Open 20-F document View SEC filing for 20-F SIDFORM20F_2019 03 Apr 2020 31 Dec 2019 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A FORM 6-K/A 25 Mar 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 Mar 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FISCAL COUNCIL REPORT 12 Mar 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 05 Mar 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDPR4Q19_6K 05 Mar 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K 2020 ANNUAL CALENDAR 12 Feb 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 27 Jan 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20200123_6K 24 Jan 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 22 Jan 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 Jan 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 Jan 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20201501_6K 15 Jan 2020 31 Mar 2020 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 04 Dec 2019 31 Dec 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K QUARTERLY FINANCIAL INFORMATION - SEPTEMBER 30, 2019 - CIA SIDERURGICA NACIONAL 26 Nov 2019 30 Sep 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 24 Oct 2019 31 Dec 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDPR3Q19_6K 24 Oct 2019 30 Sep 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20191023_6K 24 Oct 2019 31 Dec 2019 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SID20191017_6KA 17 Oct 2019 31 Dec 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K MINUTES OF THE EXTRAORDINARY MEETING OF THE BOARD OF DIRECTORS OF COMPANHIA SIDE 20 Sep 2019 30 Sep 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190918_6K1 19 Sep 2019 30 Sep 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190918_6K 19 Sep 2019 30 Sep 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDITR2Q19_6K 30 Aug 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K EARNINGS RELEASE 2Q19 31 Jul 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6K 31 Jul 2019 30 Sep 2019 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SID20190712_6KA 15 Jul 2019 30 Sep 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 12 Jul 2019 30 Sep 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6K 02 Jul 2019 30 Sep 2019 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SID20190701_6KA 01 Jul 2019 30 Sep 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190627_6K1 28 Jun 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6K 28 Jun 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6K 07 Jun 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 30 May 2019 31 Mar 2019 001-14732
SD Open SD document View SEC filing for SD FORM SD 28 May 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 28 May 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6K 23 May 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 09 May 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K RESULTS FOR THE FIRST QUARTER OF 2019 09 May 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6K 07 May 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Apr 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 26 Apr 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Apr 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM-6K 16 Apr 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 11 Apr 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 10 Apr 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 08 Apr 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 08 Apr 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190405_6K2 08 Apr 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 08 Apr 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 05 Apr 2019 30 Jun 2019 001-14732
20-F/A Open 20-F/A document | Open XBRL data View SEC filing for 20-F/A FORM 20-F/A 05 Apr 2019 31 Dec 2018 001-14732
20-F Open 20-F document View SEC filing for 20-F FORM 20-F 05 Apr 2019 31 Dec 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190402_6K 03 Apr 2019 30 Jun 2019 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SID20190402_6KA1 03 Apr 2019 30 Jun 2019 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SID20190402_6KA 03 Apr 2019 30 Jun 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 01 Apr 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190326_6K3 28 Mar 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K MANAGEMENT'S PROPOSAL 27 Mar 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190326_6K1 27 Mar 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190326_6K 27 Mar 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 22 Mar 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 15 Mar 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 12 Mar 2019 31 Mar 2019 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A FORM 6-K/A 12 Mar 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190307_6K 08 Mar 2019 31 Mar 2019 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SID20190228_6KA 01 Mar 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 25 Feb 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 22 Feb 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 21 Feb 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 21 Feb 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K 4Q18 AND 2018 EARNINGS RELEASE 21 Feb 2019 31 Dec 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190219_6K 20 Feb 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190207_6K 08 Feb 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190206_6K 06 Feb 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190201_6K 01 Feb 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Jan 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20190115_6K 15 Jan 2019 31 Mar 2019 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20181220_6K1 20 Dec 2018 31 Dec 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20181220_6K 20 Dec 2018 31 Dec 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Dec 2018 31 Dec 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Dec 2018 31 Dec 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 13 Dec 2018 31 Dec 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20181212_6K 13 Dec 2018 31 Dec 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K QUARTERLY FINANCIAL INFORMATION - SEPTEMBER 30, 2018 - CIA SIDERURGICA NACIONAL 29 Nov 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 08 Nov 2018 31 Dec 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDPR3Q18_6K 08 Nov 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 20 Sep 2018 30 Sep 2018 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 07 Sep 2018
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 04 Sep 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180829_6K 30 Aug 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 29 Aug 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 28 Aug 2018 30 Sep 2018 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 24 Aug 2018
6-K/A Open 6-K/A document View SEC filing for 6-K/A SID20180821_6KA1 21 Aug 2018 30 Sep 2018 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SID20180821_6KA 21 Aug 2018 30 Sep 2018 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A 6-K/A 20 Aug 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 20 Aug 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE SHAREHOLDERS 20 Aug 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 10 Aug 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180808_6K 08 Aug 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 08 Aug 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 2Q18 EARNINGS RELEASE 08 Aug 2018 30 Jun 2018 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 30 Jul 2018
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 05 Jul 2018 30 Sep 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 02 Jul 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 28 Jun 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 20 Jun 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180615_6K 15 Jun 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180605_6K 06 Jun 2018 30 Jun 2018 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SID20180605_6KA 06 Jun 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 31 May 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K ITR 1Q18 31 May 2018 30 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180529_6K1 30 May 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180529_6K2 30 May 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180529_6K 30 May 2018 30 Jun 2018 001-14732
20-F/A Open 20-F/A document | Open XBRL data View SEC filing for 20-F/A SIDFORM20F_2017A 30 May 2018 31 Dec 2017 001-14732
SD Open SD document View SEC filing for SD SID20180521_SD 21 May 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 15 May 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 1Q18 EARNINGS RELEASE 15 May 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 15 May 2018 30 Jun 2018 001-14732
20-F Open 20-F document View SEC filing for 20-F SIDFORM_20F 01 May 2018 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 01 May 2018 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180427_6K 30 Apr 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 27 Apr 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 26 Apr 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K CONSOLIDATED REMOTE VOTING MAP 26 Apr 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180420_6K1 23 Apr 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 20 Apr 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 09 Apr 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180406_6K 09 Apr 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180406_6K1 09 Apr 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 04 Apr 2018 30 Jun 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180328_6K 29 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K CALL NOTICE OF ORDINARY GENERAL ASSEMBLY 28 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K CALL NOTICE OF ORDINARY GENERAL ASSEMBLY 28 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K REMOTE VOTING FORM 28 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 27 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 27 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 27 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 26 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180314_6K 15 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 05 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Mar 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 09 Feb 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K AMENDMENT TO TERMS OF CASH TENDER OFFERS BY CSN RESOURCES S.A. 09 Feb 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 02 Feb 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180201_6K1 01 Feb 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 01 Feb 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K QUARTERLY FINANCIAL INFORMATION - SEPTEMBER 30, 2017 26 Jan 2018 30 Sep 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K QUARTERLY FINANCIAL INFORMATION - SEPTEMBER 30, 2017 26 Jan 2018 30 Sep 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20180111_6K 11 Jan 2018 31 Mar 2018 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 04 Jan 2018 31 Mar 2018 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A 6-K/A 28 Dec 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 26 Dec 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 26 Dec 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K PR 3Q17 26 Dec 2017 30 Sep 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K PR 2Q17 26 Dec 2017 30 Jun 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K PR 1Q17 26 Dec 2017 31 Mar 2017 001-14732
20-F Open 20-F document View SEC filing for 20-F SIDFORM20_F 26 Dec 2017 31 Dec 2016 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SIDITR3Q16_6KA 18 Dec 2017 31 Dec 2017 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SIDITR2Q16_6KA 18 Dec 2017 31 Dec 2017 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A SIDITR1Q16_6KA 18 Dec 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 14 Dec 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 13 Dec 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 12 Dec 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20171208_6K 11 Dec 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20171207_6K 07 Dec 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20171127_6K 27 Nov 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K SIDDF3Q17_6K 24 Nov 2017 30 Sep 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K CALL NOTICE 13 Nov 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE SHAREHOLDERS 13 Nov 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 13 Nov 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K 6-K 31 Oct 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 30 Oct 2017 31 Dec 2017 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A FORM 6-K/A 30 Oct 2017 30 Sep 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 30 Oct 2017 31 Dec 2017 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A 2Q16 EARNINGS RELEASE 30 Oct 2017 30 Jun 2017 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A 1Q16 EARNINGS RELEASE 30 Oct 2017 30 Jun 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20171011_6K 12 Oct 2017 31 Dec 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 02 Oct 2017 30 Sep 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 12 Sep 2017 30 Sep 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 16 Aug 2017 30 Sep 2017 001-14732
SD Open SD document View SEC filing for SD 01 Jun 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20170524_6K 25 May 2017 30 Jun 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20170515_6K1 16 May 2017 30 Jun 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K SID20170515_6K 16 May 2017 30 Jun 2017 001-14732
NT 20-F Open NT 20-F document View SEC filing for NT 20-F FORM 12B-25 02 May 2017 31 Dec 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 01 May 2017 30 Jun 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K MANAGEMENT'S PROPOSAL 31 Mar 2017 31 Mar 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K CALL NOTICE OF ANNUAL AND EXTRAORDINARY SHAREHOLDERS' MEETING 31 Mar 2017 31 Mar 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO SHAREHOLDERS 31 Mar 2017 31 Mar 2017 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 28 Mar 2017 31 Mar 2017 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 26 Jan 2017
6-K Open 6-K document View SEC filing for 6-K ITR 3Q16 27 Dec 2016 30 Sep 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 20 Dec 2016 31 Dec 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 19 Dec 2016 31 Dec 2016 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 14 Dec 2016
6-K Open 6-K document View SEC filing for 6-K MANAGEMENT PROPOSAL 14 Dec 2016 31 Dec 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K STATEMENT OF MATERIAL FACT 30 Nov 2016 31 Dec 2016 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 30 Nov 2016
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 21 Nov 2016 31 Dec 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 21 Nov 2016 31 Dec 2016 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A DFP - ANNUAL FINANCIAL STATEMENTS - DECEMBER 31, 2015 14 Nov 2016 31 Dec 2015 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A ITR - QUARTERLY FINANCIAL INFORMATION - JUNE 30, 2016 14 Nov 2016 30 Jun 2016 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A ITR - QUARTERLY FINANCIAL INFORMATION - MARCH 31, 2016 14 Nov 2016 31 Mar 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K 3Q16 EARNINGS RELEASE 14 Nov 2016 30 Sep 2016 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A 2Q16 EARNINGS RELEASE 14 Nov 2016 30 Jun 2016 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A 1Q16 EARNINGS RELEASE 14 Nov 2016 31 Mar 2016 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A 4Q15 AND 2015 EARNINGS RELEASE 14 Nov 2016 31 Dec 2016 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 14 Nov 2016
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 14 Nov 2016 31 Dec 2016 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 Oct 2016
6-K Open 6-K document View SEC filing for 6-K ITR - QUARTERLY FINANCIAL INFORMATION - JUNE 30, 2016 - CIA SIDERURGICA NACIONAL 13 Sep 2016 30 Jun 2016 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 25 Aug 2016
6-K Open 6-K document View SEC filing for 6-K STATEMENT OF MATERIAL FACT 24 Aug 2016 30 Sep 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K 2Q16 EARNINGS RELEASE 15 Aug 2016 30 Jun 2016 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 22 Jun 2016
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 22 Jun 2016 30 Jun 2016 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A MINUTES OF THE EXTRAORDINARY BOARD OF DIRECTORS MEETING OF COMPANHIA SIDERURGICA 01 Jun 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 31 May 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 31 May 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K ITR - QUARTERLY FINANCIAL INFORMATION - MARCH 31, 2016 24 May 2016 31 Mar 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 23 May 2016 30 Jun 2016 001-14732
20-F/A Open 20-F/A document View SEC filing for 20-F/A FORM 20-F/A 20 May 2016 31 Dec 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 20 May 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 20 May 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 20 May 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 May 2016 30 Jun 2016 001-14732
SD Open SD document View SEC filing for SD 16 May 2016 001-14732
20-F Open 20-F document View SEC filing for 20-F FORM 20-F 16 May 2016 31 Dec 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K 1Q16 EARNINGS RELEASE 12 May 2016 31 Mar 2016 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 06 May 2016
6-K Open 6-K document View SEC filing for 6-K PRESS RELEASE 03 May 2016 30 Jun 2016 001-14732
NT 20-F Open NT 20-F document View SEC filing for NT 20-F FORM 12B-25 02 May 2016 31 Dec 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K ANNUAL FINANCIAL STATEMENTS - DECEMBER 31, 2015 02 May 2016 31 Mar 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 29 Apr 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Apr 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Apr 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 28 Apr 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 19 Apr 2016 30 Jun 2016 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 15 Apr 2016
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 13 Apr 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K 06 Apr 2016 30 Jun 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K 4Q15 AND 2015 EARNINGS RELEASE 29 Mar 2016 31 Dec 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO SHAREHOLDERS 25 Mar 2016 31 Mar 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 11 Mar 2016 31 Mar 2016 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 08 Mar 2016
6-K Open 6-K document View SEC filing for 6-K PRESS RELEASE 04 Mar 2016 31 Mar 2016 001-14732
6-K Open 6-K document View SEC filing for 6-K PRESS RELEASE 23 Feb 2016 31 Mar 2016 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Feb 2016
CORRESP Open CORRESP document View SEC filing for CORRESP 14 Jan 2016
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 15 Dec 2015
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 03 Dec 2015 31 Dec 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 02 Dec 2015 31 Dec 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K STATEMENT OF MATERIAL FACT 30 Nov 2015 31 Dec 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K ITR - QUARTERLY FINANCIAL INFORMATION - SEPTEMBER 30, 2015 - CIA SIDERURGICA NAC 24 Nov 2015 30 Sep 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 17 Nov 2015 31 Dec 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K 3Q15 EARNINGS RELEASE 13 Nov 2015 30 Sep 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 01 Oct 2015 30 Sep 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 28 Sep 2015 30 Sep 2015 001-14732
CT ORDER Open CT ORDER document View SEC filing for CT ORDER 25 Sep 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 24 Sep 2015 30 Sep 2015 001-14732
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Sep 2015 30 Sep 2015 001-14732
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6-K Open 6-K document View SEC filing for 6-K MANAGEMENT'S PROPOSAL FOR THE RESTATEMENT OF THE COMPANY'S BYLAWS 12 Apr 2011 30 Jun 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K CALL NOTICE ANNUAL AND SPECIAL SHAREHOLDERS' MEETING 12 Apr 2011 30 Jun 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K EXTRAORDINARY SHAREHOLDERS' MEETING 05 Apr 2011 30 Jun 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K DF 4Q10 31 Mar 2011 31 Dec 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K EARNINGS RELEASE 4Q10 29 Mar 2011 31 Dec 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 10 Feb 2011 31 Mar 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 09 Feb 2011 31 Mar 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K CSN CONTRACTS A R$2 BILLION LOAN 03 Feb 2011 31 Mar 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K MINUTES OF THE EXTRAORDINARY SHAREHOLDERS' MEETING 28 Jan 2011 31 Mar 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 27 Jan 2011 31 Mar 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K ACCOUNTING APPRAISAL REPORT OF SHAREHOLDERS' EQUITY 18 Jan 2011 31 Mar 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K PROTOCOL AND JUSTIFICATION OF MERGER 18 Jan 2011 31 Mar 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 14 Jan 2011 31 Mar 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K PROPOSAL TO BE SUBMITTED TO THE EXTRAORDINARY SHAREHOLDERS' MEETING TO BE HELD O 13 Jan 2011 31 Mar 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K EXTRAORDINARY SHAREHOLDERS' MEETING CALL NOTICE 13 Jan 2011 31 Mar 2011 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 13 Jan 2011 31 Mar 2011 001-14732
F-6 POS Open F-6 POS document View SEC filing for F-6 POS 05 Jan 2011 333-165772
6-K Open 6-K document View SEC filing for 6-K REFERENCE FORM 28 Dec 2010 31 Dec 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 10 Dec 2010 31 Dec 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K EXTRACT FROM THE MINUTES OF THE EXTRAORDINARY BOARD OF DIRECTORS MEETING 19 Nov 2010 31 Dec 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K QUARTERLY INFORMATION ITR 3Q10 09 Nov 2010 30 Sep 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K MINUTES OF THE EXTRAORDINARY SHAREHOLDERS 01 Nov 2010 31 Dec 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K EARNINGS RELEASE 3Q10 29 Oct 2010 30 Sep 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K PROPOSAL TO BE SUBMITTED FOR DELIBERATION 21 Oct 2010 31 Dec 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K SECOND CALL NOTICE 21 Oct 2010 31 Dec 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K INSTRUMENT OF NON-INSTATEMENT 21 Oct 2010 31 Dec 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K PROPOSAL AT THE EXTRAORDINARY SHAREHOLDERS MEETING 05 Oct 2010 31 Dec 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K CALL NOTICE FOR EXTRAORDINARY SHAREHOLDERS' MEETING 05 Oct 2010 31 Dec 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K CSN ISSUES US$1 BILLION IN PERPETUAL BONDS 17 Sep 2010 30 Sep 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 13 Sep 2010 30 Sep 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K EXTRACT FROM THE MINUTES OF THE ORDINARY BOARD OF DIRECTORS MEETING 23 Aug 2010 30 Sep 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K EARNINGA RELEASE 11 Aug 2010 30 Jun 2010 001-14732
CT ORDER Open CT ORDER document View SEC filing for CT ORDER 22 Jul 2010 001-14732
20-F/A Open 20-F/A document View SEC filing for 20-F/A FORM 20-F 2008 15 Jul 2010 31 Dec 2008 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 15 Jul 2010 30 Sep 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 02 Jun 2010 30 Jun 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K OFFICIAL LETTER GAE CAEM 01 Jun 2010 30 Jun 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K QUARTERLY INFORMATION ITR1Q10 01 Jun 2010 30 Jun 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 01 Jun 2010 30 Jun 2010 001-14732
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20F 2009 01 Jun 2010 31 Dec 2009 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 24 May 2010 30 Jun 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K EXTRACT FROM THE MINUTES OF THE EXTRAORDINARY BOARD OF DIRECTORS MEETING 07 May 2010 30 Jun 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 07 May 2010 30 Jun 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K 1Q10 EARNINGS 07 May 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 05 May 2010 30 Jun 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO SHAREHOLDERS 05 May 2010 30 Jun 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K MINUTES OF THE ANNUAL SHAREHOLDERS' MEETING 05 May 2010 30 Jun 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO SHAREHOLDERS 30 Apr 2010 30 Jun 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K EXTRACT FROM THE MINUTES 30 Apr 2010 30 Jun 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K CALL NOTICE 16 Apr 2010 30 Jun 2010 001-14732
F-6EF Open F-6EF document View SEC filing for F-6EF 30 Mar 2010 333-165772
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 26 Mar 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K MINUTES OF THE EXTRAORDINARY SHAREHOLDERS MEETING 26 Mar 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K BYLAWS 26 Mar 2010 31 Mar 2010 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 18 Mar 2010
6-K Open 6-K document View SEC filing for 6-K DFP 4Q09 18 Mar 2010 31 Dec 2009 001-14732
20-F/A Open 20-F/A document View SEC filing for 20-F/A FORM 20-F A 18 Mar 2010 31 Dec 2008 001-14732
6-K Open 6-K document View SEC filing for 6-K PROPOSAL 17 Mar 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K SECOND CALL NOTICE 17 Mar 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K INSTRUMENT OF NON-INSTATEMENT 17 Mar 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K AMONG OTHER MATTERS 15 Mar 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K CSN OUTLOOK FOR 2010 15 Mar 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 12 Mar 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 04 Mar 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K PROPOSAL 03 Mar 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K CALL NOTICE FOR EXTRAORDINARY SHAREHOLDERS 01 Mar 2010 31 Mar 2010 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 26 Feb 2010
6-K Open 6-K document View SEC filing for 6-K RESULTS FOR THE FOURTH QUARTER OF 2009 (4Q09) 26 Feb 2010 31 Dec 2009 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 23 Feb 2010 31 Mar 2010 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Feb 2010
6-K Open 6-K document View SEC filing for 6-K NOTICE TO US SHAREHOLDERS 16 Feb 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO US SHAREHOLDERS 16 Feb 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 12 Feb 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO US SHAREHOLDERS 12 Feb 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K THE EXTRAORDINARY SHAREHOLDERS' MEETING 10 Feb 2010 31 Mar 2010 001-14732
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Feb 2010
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 09 Feb 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K MINUTES OF THE EXTRAORDINARY SHAREHOLDERS' MEETING 29 Jan 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 29 Jan 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO US SHAREHOLDERS 28 Jan 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K ANNOUNCEMENT FOR THE LAUNCH OF A GENERAL TAKEOVER 28 Jan 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 26 Jan 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K APPRAISAL REPORT 19 Jan 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K PROTOCOL AND JUSTIFICATION OF MERGER 19 Jan 2010 31 Mar 2010 001-14732
6-K/A Open 6-K/A document View SEC filing for 6-K/A MATERIAL FACT 19 Jan 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K MATERIAL FACT 14 Jan 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K EXTRAORDINARY SHAREHOLDERS' MEETING 14 Jan 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 13 Jan 2010 31 Mar 2010 001-14732
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 11 Jan 2010
6-K Open 6-K document View SEC filing for 6-K NOTICE TO THE MARKET 08 Jan 2010 31 Mar 2010 001-14732
6-K Open 6-K document View SEC filing for 6-K EXTRACT FROM THE MINUTES 07 Jan 2010 31 Mar 2010 001-14732

About this filer

NATIONAL STEEL CO files with the SEC under CIK 0001049659. This page aggregates EDGAR filings and related ownership activity.

Industry: Steel Works, Blast Furnaces & Rolling & Finishing Mills.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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