KOYJ. CO.,LTD — Investor Relations & Filings
KOYJ Co., Ltd. specializes in the development, manufacturing, and sale of advanced composite optical films and polymer materials. The company's core offerings include a range of functional components designed for the display sector, such as liquid crystal protection films and other specialized optical parts. Leveraging expertise in thermal extrusion processing and chemical applications, KOYJ focuses on producing differentiated and innovative materials for optoelectronic systems and related applications.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| [기재정정]주요사항보고서(유상증자결정) | 2026-01-22 | Korean | |
| 주식등의대량보유상황보고서(약식) | 2026-01-15 | Korean | |
| 주식등의대량보유상황보고서(일반) | 2026-01-14 | Korean | |
| 임원ㆍ주요주주특정증권등소유상황보고서 | 2026-01-14 | Korean | |
| 임원ㆍ주요주주특정증권등소유상황보고서 | 2026-01-14 | Korean | |
| 임원ㆍ주요주주특정증권등소유상황보고서 | 2026-01-14 | Korean |
Browse filings by year
9 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
6 filings
| |||||
| 13181775 | [기재정정]주요사항보고서(유상증자결정) | 2026-01-22 | Korean | ||
| 12737599 | 주식등의대량보유상황보고서(약식) | 2026-01-15 | Korean | ||
| 12672960 | 주식등의대량보유상황보고서(일반) | 2026-01-14 | Korean | ||
| 12672930 | 임원ㆍ주요주주특정증권등소유상황보고서 | 2026-01-14 | Korean | ||
| 12672882 | 임원ㆍ주요주주특정증권등소유상황보고서 | 2026-01-14 | Korean | ||
| 12672844 | 임원ㆍ주요주주특정증권등소유상황보고서 | 2026-01-14 | Korean | ||
|
2025
9 filings
| |||||
| 12203632 | [기재정정]투자설명서 | 2025-12-17 | Korean | ||
| 12203624 | [기재정정]주요사항보고서(유상증자결정) | 2025-12-17 | Korean | ||
| 12203605 | [발행조건확정]증권신고서(지분증권) | 2025-12-17 | Korean | ||
| 12203576 | 권리락 (유상증자) | 2025-12-17 | Korean | ||
| 10217669 | 유상증자1차발행가액결정 | 2025-12-17 | Korean | ||
| 10214691 | 투자설명서 | 2025-12-16 | Korean | ||
| 33030494 | 분기보고서 (2025.09) | 2025-11-05 | Korean | ||
| 33030217 | [기재정정]주요사항보고서(유상증자결정) | 2025-11-05 | Korean | ||
| 33030176 | 증권신고서(지분증권) | 2025-11-05 | Korean | ||
Market data
Market data not available
Price history
Peer group · Manufacture of plastics products
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Aa Industrial Belting (Shanghai) Co., Ltd
Develops and manufactures high-performance industrial conve…
|
603580 | CN | Manufacturing |
|
Abson Industries Limited
Manufactures polypropylene woven bags, offering durable and…
|
ABSON | PK | Manufacturing |
|
ACE/Security Laminates Corporation
Global provider of high-performance security laminates for …
|
ACEX | CA | Manufacturing |
|
ACESIAN PARTNERS LIMITED
Specializes in environmental solutions, integrated services…
|
5FW | SG | Manufacturing |
|
Achilles Corporation
A manufacturer of plastic and rubber products for consumer …
|
5142 | JP | Manufacturing |
|
ADVANCED DRAINAGE SYSTEMS, INC.
Manufacturer of water management solutions for stormwater a…
|
WMS | US | Manufacturing |
|
Aeron Composite Limited
Designs and manufactures FRP and GRP products for industria…
|
AERON | IN | Manufacturing |
|
A.F. Enterprises Limited
Manufactures plastic molded products and provides financial…
|
538351 | IN | Manufacturing |
|
Ahimsa Industries Limited
Produces PET preforms and closures for beverage, food, and …
|
AHIMSA | IN | Manufacturing |
|
AIK Pipes and Polymers Limited
Manufactures polymer pipes and fittings for water, gas, and…
|
544072 | IN | Manufacturing |
KOYJ. 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/15510/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=15510 | 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=15510 | 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=15510 \ -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": 15510}, 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 KOYJ. CO.,LTD (id: 15510)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.