National Steel Co
SIDNYSECIK 1049659MaterialsFiscal year ends Dec 31
Reports and events: 745 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-10-0917:10 ET | 6-K | Report of a foreign private issuerPeriod 2026-12-31 | 0001292814-26-004888 |
| 2026-09-2909:00 ET | 6-K | Report of a foreign private issuerPeriod 2026-09-30 | 0001292814-26-004734 |
| 2026-09-1508:46 ET | 6-K | Report of a foreign private issuerPeriod 2026-09-30 | 0001292814-26-004556 |
| 2026-09-1418:07 ET | 6-K | Report of a foreign private issuerPeriod 2026-09-30 | 0001292814-26-004538 |
| 2026-09-0318:51 ET | 6-K | Report of a foreign private issuerPeriod 2026-09-30 | 0001292814-26-004460 |
| 2026-08-2716:46 ET | 6-K | Report of a foreign private issuerPeriod 2026-06-30 | 0001292814-26-004375 |
| 2026-08-1313:53 ET | 6-K | Report of a foreign private issuerPeriod 2026-06-30 | 0001292814-26-004216 |
| 2026-08-1108:14 ET | 6-K | Report of a foreign private issuerPeriod 2026-09-30 | 0001292814-26-004188 |
| 2026-08-1108:01 ET | 6-K | Report of a foreign private issuerPeriod 2026-09-30 | 0001292814-26-004186 |
| 2026-08-1010:11 ET | 6-K | Report of a foreign private issuerPeriod 2026-09-30 | 0001292814-26-004156 |
| 2026-07-3121:36 ET | 6-K | Report of a foreign private issuerPeriod 2026-09-30 | 0001292814-26-003996 |
| 2026-07-3121:32 ET | 6-K | Report of a foreign private issuerPeriod 2026-03-31 | 0001292814-26-003994 |
| 2026-05-2916:07 ET | 6-K | Report of a foreign private issuerPeriod 2026-03-31 | 0001292814-26-003249 |
| 2026-05-1406:02 ET | 6-K | Report of a foreign private issuerPeriod 2026-03-31 | 0001292814-26-003025 |
| 2026-04-3016:58 ET | 6-K | Report of a foreign private issuerPeriod 2026-06-30 | 0001292814-26-002720 |
| 2026-04-3016:25 ET | 20-F | Annual report of a foreign private issuerPeriod 2025-12-31 | 0001292814-26-002714 |
| 2026-03-2718:36 ET | 6-K | Report of a foreign private issuerPeriod 2025-12-31 | 0001292814-26-001795 |
| 2026-03-2306:02 ET | 6-K | Report of a foreign private issuerPeriod 2026-03-31 | 0001292814-26-001641 |
| 2026-03-1206:06 ET | 6-K | Report of a foreign private issuerPeriod 2026-03-31 | 0001292814-26-000807 |
| 2026-03-1206:03 ET | 6-K | Report of a foreign private issuerPeriod 2025-12-31 | 0001292814-26-000805 |
| 2026-01-1508:24 ET | 6-K | Report of a foreign private issuerPeriod 2026-03-31 | 0001292814-26-000116 |
| 2026-01-1508:19 ET | 6-K | Report of a foreign private issuerPeriod 2026-03-31 | 0001292814-26-000114 |
| 2026-01-1217:57 ET | 6-K | Report of a foreign private issuerPeriod 2026-03-31 | 0001292814-26-000048 |
| 2025-12-1919:20 ET | 6-K | Report of a foreign private issuerPeriod 2025-12-31 | 0001292814-25-004323 |
| 2025-12-1716:31 ET | 6-K | Report of a foreign private issuerPeriod 2025-12-31 | 0001292814-25-004311 |
| 2025-11-2018:17 ET | 6-K | Report of a foreign private issuerPeriod 2025-09-30 | 0001292814-25-004046 |
| 2025-11-1017:07 ET | 6-K | Report of a foreign private issuerPeriod 2025-09-30 | 0001292814-25-003879 |
| 2025-08-1519:51 ET | 6-K | Report of a foreign private issuerPeriod 2025-06-30 | 0001292814-25-003083 |
| 2025-08-0608:58 ET | 6-K | Report of a foreign private issuerPeriod 2025-09-30 | 0001292814-25-002910 |
| 2025-08-0106:03 ET | 6-K | Report of a foreign private issuerPeriod 2025-06-30 | 0001292814-25-002849 |
| 2025-07-3108:35 ET | 6-K | Report of a foreign private issuerPeriod 2025-09-30 | 0001292814-25-002807 |
| 2025-07-1418:10 ET | 6-K | Report of a foreign private issuerPeriod 2025-09-30 | 0001292814-25-002665 |
| 2025-05-2216:03 ET | 6-K | Report of a foreign private issuerPeriod 2025-03-31 | 0001292814-25-002191 |
| 2025-05-0906:02 ET | 6-K | Report of a foreign private issuerPeriod 2025-03-31 | 0001292814-25-001959 |
| 2025-05-0921:40 ET | 6-K | Report of a foreign private issuerPeriod 2025-06-30 | 0001292814-25-001956 |
| 2025-05-0117:48 ET | 6-K | Report of a foreign private issuerPeriod 2025-06-30 | 0001292814-25-001809 |
| 2025-04-3017:21 ET | 20-F | Annual report of a foreign private issuerPeriod 2024-12-31 | 0001292814-25-001805 |
| 2025-04-0208:14 ET | 6-K | Report of a foreign private issuerPeriod 2025-06-30 | 0001292814-25-001323 |
| 2025-03-2815:25 ET | 6-K | Report of a foreign private issuerPeriod 2024-12-31 | 0001292814-25-001133 |
| 2025-03-1309:53 ET | 6-K | Report of a foreign private issuerPeriod 2024-12-31 | 0001292814-25-000842 |
| 2025-01-2106:02 ET | 6-K | Report of a foreign private issuerPeriod 2025-03-31 | 0001292814-25-000140 |
| 2024-12-3118:12 ET | 6-K | Report of a foreign private issuerPeriod 2024-12-31 | 0001292814-24-004695 |
| 2024-12-1108:06 ET | 6-K | Report of a foreign private issuerPeriod 2024-12-31 | 0001292814-24-004492 |
| 2024-12-1108:03 ET | 6-K | Report of a foreign private issuerPeriod 2024-12-31 | 0001292814-24-004490 |
| 2024-12-0408:09 ET | 6-K | Report of a foreign private issuerPeriod 2024-12-31 | 0001292814-24-004418 |
| 2024-11-2716:08 ET | 6-K | Report of a foreign private issuerPeriod 2024-09-30 | 0001292814-24-004340 |
| 2024-11-2020:38 ET | 6-K | Report of a foreign private issuerPeriod 2024-12-31 | 0001292814-24-004269 |
| 2024-11-1520:36 ET | 6-K | Report of a foreign private issuerPeriod 2024-12-31 | 0001292814-24-004243 |
| 2024-11-1408:02 ET | 6-K | Report of a foreign private issuerPeriod 2024-09-30 | 0001292814-24-004227 |
| 2024-11-0607:20 ET | 6-K | Report of a foreign private issuerPeriod 2024-12-31 | 0001292814-24-004029 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 30, 2026, 06:32 ET. Listed shows no prices and gives no investment advice.