Welcome to our dedicated page for J-Star Holding 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.
The J-Star Holding Co., Ltd. (Nasdaq: YMAT) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures as a foreign private issuer in the specialty chemicals and carbon composites space. J-Star files annual reports on Form 20-F and current reports on Form 6-K, which together outline its financial performance, capital structure, governance decisions, and key operational updates.
In its Form 6-K filings, J-Star furnishes interim condensed consolidated financial statements, including balance sheets, statements of comprehensive income, and details on operating revenue, cost of revenue, gross profit, operating expenses, non-operating items, and profit after income tax. These filings also present information on cash and cash equivalents, short-term and long-term loans, accounts receivable, inventories, and equity attributable to owners of the parent.
Beyond financial data, J-Star uses Form 6-K to report corporate actions and governance matters, such as the adoption of a dual class share structure, changes in authorized share capital, results of shareholder votes at general meetings, and the use of home country corporate governance practices under Nasdaq’s foreign private issuer rules. The company also discloses Nasdaq listing communications, including notices related to minimum bid price requirements and associated compliance periods.
Stock Titan enhances these filings with AI-powered tools that summarize lengthy documents like the 20-F and 6-K exhibits, highlight important changes in revenue, expenses, and equity, and help users quickly identify items related to governance, capital structure, and listing status. Users interested in YMAT can review J-Star’s filed financial statements, shareholder meeting materials, and Nasdaq correspondence to better understand the company’s carbon reinforcement and resin systems business, its risk profile, and its obligations as a Nasdaq-listed issuer.
J-Star Holding Co., Ltd. announced a strategic partnership with Patriot Green Energy Technology to develop Made-in-USA, polymer-based solid-state battery solutions for high-performance and defense applications. The plan centers on a 100 megawatt-hour modular, automated production line in Baytown, Texas focused on UAV and drone markets.
The partners have jointly applied for a U.S. Department of Energy grant and obtained a commitment letter securing land in the TGS Cedar Port Industrial Park. The project targets the $50B+ dual-use UAS battery market and aims for 100 MWh annual capacity with around 350 Wh/kg cell-level energy density, backed by ITRI-supported technology and U.S. manufacturing capabilities.
J-Star Holding Co., Ltd., a Cayman Islands holding company listed on Nasdaq under the symbol YMAT, files its annual report covering fiscal years ended December 31, 2025, 2024 and 2023. Operations run mainly through subsidiaries in Taiwan, Hong Kong and Samoa, with only limited trading activity in non-operating PRC subsidiaries.
The company highlights extensive legal and regulatory risks tied to PRC and Hong Kong, including evolving CSRC filing rules, cybersecurity oversight and potential government intervention that could affect its ability to raise capital overseas. It also discusses the Holding Foreign Companies Accountable Act and PCAOB inspection developments affecting continued U.S. trading eligibility.
J-Star describes cash flows among group entities, past disposals of 80.5% interests in two former PRC manufacturing subsidiaries, and confirms no dividends were paid in 2023–2025. As of April 30, 2026, 13,953,333 Class A Ordinary Shares were outstanding.
J-Star Holding Co., Ltd. announced that Sam Van resigned as Chief Executive Officer effective March 31, 2026, with the company stating his departure was not due to any disagreement over operations, policies, or practices. He entered a Severance Agreement providing a lump-sum payment equal to six months of his monthly salary and giving the company a broad release of claims.
The Board reappointed Jing-Bin (Jonathan) Chiang, its Director and Chairman, as Chief Executive Officer effective the same date. Chiang previously served as CEO from May 2016 to October 2025 and has about 18 years of experience in composite material applications. He signed a new Employment Agreement, and will also continue as Chairman, while Mr. Van will support the company as an advisor.
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.
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.
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.
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.
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.
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.
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.