NATIONAL STEEL CO — 6-K Filings
980 6-K filings on record
This page lists all 6-K filings submitted to the SEC by NATIONAL STEEL CO (SID), sorted by most recent first. Each row links to the full filing on EdgarLookup. NATIONAL STEEL CO has filed 980 6-K documents with the SEC since 2006. To view all SEC filings by NATIONAL STEEL CO, see the full filings list.
All
20-F
20-F/A
3
425
6-K
6-K/A
CORRESP
CT ORDER
EFFECT
F-4
F-4/A
F-6
F-6 POS
F-6EF
NT 20-F
SC 13D/A
SC 13G/A
SC TO-C
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 6-K | 6-K | 0001292814-26-001795 | Mar 27, 2026 | Dec 31, 2025 |
| 6-K | 6-K | 0001292814-26-001641 | Mar 23, 2026 | Mar 31, 2026 |
| 6-K | 6-K | 0001292814-26-000807 | Mar 12, 2026 | Mar 31, 2026 |
| 6-K | 6-K | 0001292814-26-000805 | Mar 12, 2026 | Dec 31, 2025 |
| 6-K | 6-K | 0001292814-26-000116 | Jan 15, 2026 | Mar 31, 2026 |
| 6-K | 6-K | 0001292814-26-000114 | Jan 15, 2026 | Mar 31, 2026 |
| 6-K | 6-K | 0001292814-26-000048 | Jan 12, 2026 | Mar 31, 2026 |
| 6-K | 6-K | 0001292814-25-004323 | Dec 19, 2025 | Dec 31, 2025 |
| 6-K | 6-K | 0001292814-25-004311 | Dec 17, 2025 | Dec 31, 2025 |
| 6-K | 6-K | 0001292814-25-004046 | Nov 20, 2025 | Sep 30, 2025 |
| 6-K | 6-K | 0001292814-25-003879 | Nov 10, 2025 | Sep 30, 2025 |
| 6-K | 6-K | 0001292814-25-003083 | Aug 15, 2025 | Jun 30, 2025 |
| 6-K | 6-K | 0001292814-25-002910 | Aug 6, 2025 | Sep 30, 2025 |
| 6-K | 6-K | 0001292814-25-002849 | Aug 1, 2025 | Jun 30, 2025 |
| 6-K | 6-K | 0001292814-25-002807 | Jul 31, 2025 | Sep 30, 2025 |
| 6-K | 6-K | 0001292814-25-002665 | Jul 14, 2025 | Sep 30, 2025 |
| 6-K | 6-K | 0001292814-25-002191 | May 22, 2025 | Mar 31, 2025 |
| 6-K | 6-K | 0001292814-25-001959 | May 9, 2025 | Mar 31, 2025 |
| 6-K | 6-K | 0001292814-25-001956 | May 9, 2025 | Jun 30, 2025 |
| 6-K | 6-K | 0001292814-25-001809 | May 1, 2025 | Jun 30, 2025 |
| 6-K | 6-K | 0001292814-25-001323 | Apr 2, 2025 | Jun 30, 2025 |
| 6-K | 6-K | 0001292814-25-001133 | Mar 28, 2025 | Dec 31, 2024 |
| 6-K | 6-K | 0001292814-25-000842 | Mar 13, 2025 | Dec 31, 2024 |
| 6-K | 6-K | 0001292814-25-000140 | Jan 21, 2025 | Mar 31, 2025 |
| 6-K | 6-K | 0001292814-24-004695 | Dec 31, 2024 | — |
| 6-K | 6-K | 0001292814-24-004492 | Dec 11, 2024 | Dec 31, 2024 |
| 6-K | — | 0001292814-24-004490 | Dec 11, 2024 | Dec 31, 2024 |
| 6-K | 6-K | 0001292814-24-004418 | Dec 4, 2024 | Dec 31, 2024 |
| 6-K | 6-K | 0001292814-24-004340 | Nov 27, 2024 | Sep 30, 2024 |
| 6-K | 6-K | 0001292814-24-004269 | Nov 20, 2024 | Dec 31, 2024 |
| 6-K | 6-K | 0001292814-24-004243 | Nov 15, 2024 | Dec 31, 2024 |
| 6-K | 6-K | 0001292814-24-004227 | Nov 14, 2024 | Sep 30, 2024 |
| 6-K | 6-K | 0001292814-24-004029 | Nov 6, 2024 | Dec 31, 2024 |
| 6-K | 6-K | 0001292814-24-004027 | Nov 6, 2024 | Dec 31, 2024 |
| 6-K | — | 0001292814-24-003773 | Oct 16, 2024 | Dec 31, 2023 |
| 6-K | 6-K | 0001292814-24-003514 | Sep 18, 2024 | Sep 30, 2024 |
| 6-K | 6-K | 0001292814-24-003229 | Aug 27, 2024 | Jun 30, 2024 |
| 6-K | 6-K | 0001292814-24-003142 | Aug 14, 2024 | Sep 30, 2024 |
| 6-K | 6-K | 0001292814-24-003120 | Aug 13, 2024 | Jun 30, 2024 |
| 6-K | 6-K | 0001292814-24-002823 | Jul 24, 2024 | Sep 30, 2024 |
| 6-K | FORM 6-K | 0001292814-24-002455 | Jun 18, 2024 | Jun 30, 2024 |
| 6-K | 6-K | 0001292814-24-002318 | Jun 6, 2024 | Mar 31, 2024 |
| 6-K | 6-K | 0001292814-24-002047 | May 14, 2024 | Jun 30, 2024 |
| 6-K | 6-K | 0001292814-24-001783 | May 2, 2024 | Jun 30, 2024 |
| 6-K | FORM 6-K | 0001292814-24-001785 | May 2, 2024 | Jun 30, 2024 |
| 6-K | 6-K | 0001292814-24-001732 | Apr 30, 2024 | Dec 31, 2023 |
| 6-K | 6-K | 0001292814-24-001354 | Apr 12, 2024 | Jun 30, 2024 |
| 6-K | FORM 6-K | 0001292814-24-000876 | Mar 18, 2024 | Mar 31, 2024 |
| 6-K | FORM 6-K | 0001292814-24-000690 | Mar 7, 2024 | Dec 31, 2023 |
| 6-K | 6-K | 0001292814-24-000498 | Feb 23, 2024 | Mar 31, 2024 |