NATIONAL STEEL CO Form SD: Specialized disclosure report (conflict minerals)
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2026-05-29: Form SD; Description SD; Document sid20260529_sd.htm.
- 2025-05-30: Form SD; Description SD; Document sid20250530_sd.htm.
- 2024-05-29: Form SD; Description SD; Document sid20240529_sd.htm.
- 2023-05-08: Form SD; Description SD; Document sid20230508_sd.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2026-05-29 | SD | SD | sid20260529_sd.htm | |
| 2025-05-30 | SD | SD | sid20250530_sd.htm | |
| 2024-05-29 | SD | SD | sid20240529_sd.htm | |
| 2023-05-08 | SD | SD | sid20230508_sd.htm | |
| 2022-05-31 | SD | SD | sid20220530_sd.htm | |
| 2021-06-01 | SD | FORM SD | sid20210528_sd.htm | |
| 2020-05-05 | SD | FORM SD | sidform_sd.htm | |
| 2019-05-28 | SD | FORM SD | sid20190527_sd.htm | |
| 2018-05-21 | SD | SID20180521_SD | sid20180521_sd.htm | |
| 2017-06-01 | SD | Specialized disclosure report (conflict minerals) | sidformsd_2016.htm | |
| 2016-05-16 | SD | Specialized disclosure report (conflict minerals) | sidformsd_2015.htm | |
| 2015-05-26 | SD | FORM SD | sidform_sd.htm | |
| 2014-05-29 | SD | SPECIALIZED DISCLOSURE REPORT | sidformsd_2013.htm |