YMAT 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 |
|---|---|---|---|---|
| 2026-08-03 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-07-08 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-06-17 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-06-08 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-05-26 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-05-18 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-05-08 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-05-08 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-05-01 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-04-10 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-02-23 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-01-22 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-01-14 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2026-01-06 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2025-12-23 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2025-12-22 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2025-12-18 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2025-12-16 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2025-12-11 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2025-11-12 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2025-09-22 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2025-08-07 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |
| 2025-08-01 | Foreign issuer report | SEC filing | J-Star Holding Co., Ltd. filed Form 6-K | J-Star Holding Co., Ltd. filed Form 6-K. |