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J-Star Holding Co., Ltd. SEC Filings

YMAT NASDAQ

Welcome to our dedicated page for J-Star Holding Co., Ltd. SEC filings (Ticker: YMAT), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.

Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on J-Star Holding Co., Ltd.'s stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.

Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into J-Star Holding Co., Ltd.'s regulatory disclosures and financial reporting.

Rhea-AI Summary

J-Star Holding Co., Ltd. director Sung Ting-Pang filed an initial ownership report showing holdings of Class A Ordinary Shares. The filing reports that Sung directly owns 240,000 Class A Ordinary Shares after the reported event. This Form 3 records existing ownership rather than a new purchase or sale.

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J-Star Holding Co., Ltd. director WANG SHEN-HUEI has filed an initial ownership report, showing direct holdings of 240,000 Class A Ordinary Shares. This Form 3 does not record any new purchase or sale activity; it simply establishes the director’s existing equity position in the company.

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J-Star Holding Co., Ltd. CEO Sam Van has filed an initial Form 3 reporting his beneficial ownership in the company. The filing shows he directly holds 171,129 Class A Ordinary Shares of J-Star Holding. The Form 3 reflects existing ownership and does not report any new buy or sell transactions.

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J-Star Holding Co., Ltd. director Lin Ping-Hong has filed an initial ownership report showing direct holdings of 240,000 Class A Ordinary Shares. This Form 3 serves as a baseline disclosure of his stake as a company insider and does not reflect new share purchases or sales.

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J-Star Holding Co., Ltd. insider New Moon Corp filed an initial ownership report showing it directly holds 4,888,092 Class B Ordinary Shares. This Form 3 does not report a new trade; it establishes New Moon Corp as a more than ten percent beneficial owner of J-Star’s Class B shares.

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J-Star Holding Co., Ltd. director and chairman Chiang Jing-Bin filed an initial ownership statement reporting sizeable stakes in the company’s Class B Ordinary Shares. The filing shows indirect ownership of 4,888,092 Class B shares held by NEW MOON CORPORATION, where Chiang is the sole shareholder with voting and dispositive power. It also reports direct ownership of 1,209,091 Class B shares in his own name. The document is a baseline disclosure of Chiang’s holdings and does not report any new share purchases or sales.

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J-Star Holding Co., Ltd. director HUANG CHING-CHOU filed an initial ownership report, showing direct holdings of 240,000 Class A Ordinary Shares. This Form 3 does not report any new buy or sell transactions; it simply establishes the director’s existing equity position in the company.

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J-Star Holding Co., Ltd. announced an exclusive global distribution agreement with Patriot Green Energy Technology (PSSB), a developer and manufacturer of next-generation solid state battery technology for high-performance and defense applications. J-Star will be the sole global distributor for PSSB products used in electric assist bicycles and electric motorcycles, and will have non-exclusive distribution rights for other PSSB products.

PSSB has a large minority ownership by Taiwan’s Industrial Technology Research Institute (ITRI), a major applied research institution recognized internationally, including as a “Recognized Cybersecurity Assessor” for the AUVSI Green USA Program. J-Star’s chairman said the agreement strengthens the company’s position in energy storage applications for sports equipment and enhances its product offerings.

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J-Star Holding Co., Ltd. reported that it has signed a memorandum of understanding with Patriot Technology Responsibilities (PSSB), which develops a proprietary, patented next-generation solid-state battery. The two companies plan to work together on high-ion conductivity resins to create advanced, lightweight battery technology initially aimed at drones and later electric bikes in global markets.

J-Star will contribute its expertise in resin systems and carbon reinforcement to develop ion-conductive resins that can support electric mobility and automotive applications. Management highlighted that this anticipated partnership is intended to open opportunities with leading battery brands and expand J-Star’s addressable market beyond sports and recreation products into broader mobility and technology sectors, particularly in Taiwan.

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FAQ

How many J-Star Holding Co., Ltd. (YMAT) SEC filings are available on StockTitan?

StockTitan tracks 25 SEC filings for J-Star Holding Co., Ltd. (YMAT), including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and Form 4 insider trading disclosures. Each filing includes AI-generated summaries, impact scoring, and sentiment analysis.

When was the most recent SEC filing for J-Star Holding Co., Ltd. (YMAT)?

The most recent SEC filing for J-Star Holding Co., Ltd. (YMAT) was filed on March 18, 2026.