J-Star Holding Co., Ltd. — Investor Relations & Filings
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 | 2026-01-14 | English | |
| S-8 | 2026-01-08 | English | |
| 8-A12B/A | 2026-01-07 | English | |
| 6-K | 2026-01-06 | English | |
| 6-K | 2025-12-23 | English | |
| 6-K | 2025-12-22 | English |
Browse filings by year
6 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
4 filings
| |||||
| 13504297 | 6-K | 2026-01-14 | English | ||
| 13504298 | S-8 | 2026-01-08 | English | ||
| 13504299 | 8-A12B/A | 2026-01-07 | English | ||
| 13504301 | 6-K | 2026-01-06 | English | ||
|
2025
11 filings
| |||||
| 13504300 | 6-K | 2025-12-23 | English | ||
| 13504302 | 6-K | 2025-12-22 | English | ||
| 13504303 | 6-K | 2025-12-18 | English | ||
| 13504304 | 6-K | 2025-12-16 | English | ||
| 13504305 | 6-K | 2025-12-11 | English | ||
| 13504306 | 6-K | 2025-11-12 | English | ||
| 13504307 | 6-K | 2025-09-22 | English | ||
| 32149870 | 6-K Filing | 2025-08-07 | English | ||
| 13504308 | 6-K | 2025-08-01 | English | ||
| 13504309 | 424B4 | 2025-07-31 | English | ||
| 13504310 | Regulatory Filings 2025 | 2025-07-30 | English | ||
Market data
Market data not available
Price history
Peer group · Manufacture of sports goods
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
ABEO SA
Designs, manufactures, and distributes sports and leisure e…
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ABEO | FR | Manufacturing |
|
Acushnet Holdings Corp.
Designs, manufactures, and distributes performance-driven g…
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GOLF | US | Manufacturing |
|
American Outdoor Brands, Inc.
Provider of outdoor products and accessories for a wide ran…
|
AOUT | US | Manufacturing |
|
Amer Sports, Inc.
A global group of sports brands that designs and markets eq…
|
AS | KY | Manufacturing |
|
ASICS Corporation
Designs and manufactures high-performance athletic footwear…
|
7936 | JP | Manufacturing |
|
BONNY
Specialist in advanced carbon fiber composite products for …
|
8467 | TW | Manufacturing |
|
CAMBUCI SA
Global manufacturer of soccer and futsal equipment, footwea…
|
— | BR | Manufacturing |
|
Clarus Corp
Global designer, manufacturer, and distributor of outdoor e…
|
CLAR | US | Manufacturing |
|
Comefly Outdoor Co.,Ltd
Develops, designs, and manufactures outdoor equipment and c…
|
603908 | CN | Manufacturing |
|
Cosco (India) ltd.
Manufacturer and marketer of sports, fitness, and lifestyle…
|
530545 | IN | Manufacturing |
J-Star Holding Co., Ltd. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/34873/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=34873 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=34873 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=34873 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 34873}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for J-Star Holding Co., Ltd. (id: 34873)"
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