NATIONAL STEEL CO Form 6-K: Report of foreign private issuer
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2025-12-19: Form 6-K; Period of report 2025-12-31; Description 6-K; Document sid20251218_6k.htm.
- 2025-12-17: Form 6-K; Period of report 2025-12-31; Description 6-K; Document sid20251217_6k.htm.
- 2025-11-20: Form 6-K; Period of report 2025-09-30; Description 6-K; Document siditr3q25_6k.htm.
- 2025-11-10: Form 6-K; Period of report 2025-09-30; Description 6-K; Document sidpr3q25_6k.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2025-12-19 | 6-K | 2025-12-31 | 6-K | sid20251218_6k.htm |
| 2025-12-17 | 6-K | 2025-12-31 | 6-K | sid20251217_6k.htm |
| 2025-11-20 | 6-K | 2025-09-30 | 6-K | siditr3q25_6k.htm |
| 2025-11-10 | 6-K | 2025-09-30 | 6-K | sidpr3q25_6k.htm |
| 2025-08-15 | 6-K | 2025-06-30 | 6-K | siditr2q25_6k.htm |
| 2025-08-06 | 6-K | 2025-09-30 | 6-K | sid20250806_6k.htm |
| 2025-08-01 | 6-K | 2025-06-30 | 6-K | sidpr2q25_6k.htm |
| 2025-07-31 | 6-K | 2025-09-30 | 6-K | sid20250731_6k.htm |
| 2025-07-14 | 6-K | 2025-09-30 | 6-K | sid20250711_6k.htm |
| 2025-05-22 | 6-K | 2025-03-31 | 6-K | siditr1q25_6k.htm |
| 2025-05-09 | 6-K | 2025-03-31 | 6-K | sidpr1q25_6k.htm |
| 2025-05-09 | 6-K | 2025-06-30 | 6-K | sid20250508_6k.htm |
| 2025-05-01 | 6-K | 2025-06-30 | 6-K | sid20250430_6k.htm |
| 2025-04-02 | 6-K | 2025-06-30 | 6-K | sid20250401_6k.htm |
| 2025-03-28 | 6-K | 2024-12-31 | 6-K | sidfs4q24_6k.htm |
| 2025-03-13 | 6-K | 2024-12-31 | 6-K | sidpr4q24_6k.htm |
| 2025-01-21 | 6-K | 2025-03-31 | 6-K | sid20250120_6k.htm |