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J-Star Holding Co., Ltd. — Investor Relations & Filings

Ticker · YMAT ISIN · KYG812371022 US Manufacturing
Filings indexed 109 across all filing types
Latest filing 2026-05-18 Foreign Filer Report
Country US United States of America
Listing US YMAT

About J-Star Holding Co., Ltd.

https://j-starholding.com/

J-Star Holding Co., Ltd. is a global developer and manufacturer specializing in innovative carbon fiber and composite material solutions. With over five decades of expertise, the company produces cutting-edge, high-value-added products known for being lightweight and strong. Its diverse product portfolio serves various sectors and includes sporting goods, such as bicycle and racket components, as well as automobile parts and healthcare products. The company also offers comprehensive research and development services, encompassing composite material analysis, carbon fiber applications, and the formulation of proprietary resin systems.

Recent filings

Filing Released Lang Actions
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

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