Year archive

J-Star Holding Co., Ltd. — 2026 filings

All 18 regulatory filings released by J-Star Holding Co., Ltd. (YMAT) in 2026, sourced directly from the official regulator.

18 Filings

2026 Period

2026 filings (18)

Filing	Released	Lang
6-K Foreign Filer Report	2026-05-18	English
6-K - J-Star Holding Co., Ltd. (0001875016) (Filer) Foreign Filer Report	2026-05-08	English
6-K - J-Star Holding Co., Ltd. (0001875016) (Filer) Foreign Filer Report	2026-05-08	English
20-F - J-Star Holding Co., Ltd. (0001875016) (Filer) Annual Report	2026-04-30	English
6-K - J-Star Holding Co., Ltd. (0001875016) (Filer) Foreign Filer Report	2026-04-10	English
3 - J-Star Holding Co., Ltd. (0001875016) (Issuer) Director's Dealing	2026-03-18	English
3 - J-Star Holding Co., Ltd. (0001875016) (Issuer) Director's Dealing	2026-03-18	English
3 - J-Star Holding Co., Ltd. (0001875016) (Issuer) Director's Dealing	2026-03-18	English
3 - J-Star Holding Co., Ltd. (0001875016) (Issuer) Director's Dealing	2026-03-18	English
3 - J-Star Holding Co., Ltd. (0001875016) (Issuer) Director's Dealing	2026-03-18	English
3 - J-Star Holding Co., Ltd. (0001875016) (Issuer) Director's Dealing	2026-03-18	English
3 - J-Star Holding Co., Ltd. (0001875016) (Issuer) Director's Dealing	2026-03-18	English
6-K - J-Star Holding Co., Ltd. (0001875016) (Filer) Foreign Filer Report	2026-02-23	English
6-K Foreign Filer Report	2026-01-22	English
6-K Foreign Filer Report	2026-01-14	English
S-8 Registration Form	2026-01-08	English
8-A12B/A Regulatory Filings	2026-01-07	English
6-K Foreign Filer Report	2026-01-06	English