SGML News
Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.
| Date | Type | Publisher | Headline | Summary |
|---|---|---|---|---|
| 2026-08-24 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-08-14 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-08-11 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-08-05 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-07-22 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-07-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-07-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-07-09 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-06-09 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-06-03 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-06-02 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-05-18 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-05-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-05-12 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-05-05 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-04-02 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-03-30 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-03-30 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-03-20 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-03-05 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-02-23 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-02-13 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-02-04 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-02-02 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-01-23 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2026-01-13 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-12-01 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-11-14 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-10-17 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-10-06 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-10-02 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-08-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-08-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-08-08 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-07-09 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-06-03 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-05-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-05-08 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-04-29 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-04-07 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-03-31 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-03-13 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2025-02-24 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-12-31 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-12-23 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-12-23 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-12-03 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-11-18 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-11-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-11-14 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-10-25 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-09-30 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-09-17 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-08-29 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-08-16 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-08-16 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-08-13 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-08-01 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-07-29 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-07-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-07-12 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-07-12 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-07-01 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-06-20 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-06-18 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-06-17 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-06-06 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-05-22 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-05-16 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-05-16 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-05-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-05-08 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-05-02 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-04-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-04-12 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-04-01 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-03-28 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-03-21 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-03-20 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-03-19 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-03-08 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-02-26 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-02-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-02-07 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-01-31 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2024-01-31 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-12-18 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-12-06 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-11-27 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-11-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-11-15 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-11-09 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-11-03 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-11-01 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-10-31 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-10-27 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-10-17 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-10-13 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-10-06 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |
| 2023-10-02 | Foreign issuer report | SEC filing | Sigma Lithium Corp filed Form 6-K | Sigma Lithium Corp filed Form 6-K. |