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JEIO. Co., Ltd. — Investor Relations & Filings

Ticker · 418550 ISIN · KR7418550000 KO Manufacturing
Open in API
Filings indexed 229 across all filing types
Latest filing 2026-05-18 Director's Dealing
Country KR South Korea
Listing KO 418550

About JEIO. Co., Ltd.

https://www.jeio.co.kr/en/

JEIO. Co., Ltd. operates through two primary business divisions: advanced battery materials and plant engineering. The company specializes in the research, development, and manufacturing of carbon nanotubes (CNTs), marketed under the brand JENOTUBE. These nano-materials are used as conductive additives to enhance the performance and efficiency of next-generation secondary batteries, particularly for electric vehicles. The Plant Division provides comprehensive Engineering, Procurement, and Construction (EPC) solutions. This end-to-end service covers the entire project lifecycle, from initial business development, feasibility studies, and design to construction, supervision, and operational maintenance for industrial facilities.

Recent filings

Filing Released Lang Actions
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 95% confidence The document is a Korean filing titled “임원ㆍ주요주주 특정증권등 소유상황보고서,” detailing the ownership status and changes in holdings of an officer (임원) and major shareholder, including number of shares held before/after, acquisition/disposition details, and reasons (e.g., 증여). This is a personal share transaction disclosure by a director. It matches the definition of Director’s Dealing (insider trades) under code DIRS.
2026-05-18 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 90% confidence The document is titled “분기보고서 (제33기) 2026년 01월 01일~2026년 03월 31일” which is a Korean quarterly report containing detailed company overview, business activities, and financial disclosures for the first quarter. It clearly matches the definition of an Interim / Quarterly Report (IR) rather than a mere announcement or other category. Q1 2026
2026-05-15 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 91% confidence The document is a Korean regulatory filing titled “임원ㆍ주요주주 특정증권등 소유상황보고서” (Report on Ownership of Certain Securities by Officers and Major Shareholders). It includes detailed insider identification (Kim Ju-hee), company code, dates, and specific transactions in the issuer’s shares (quantity changes, dates, prices). This matches the definition of Director’s Dealing (insider share transactions report).
2026-04-28 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 93% confidence The document is a “임원ㆍ주요주주 특정증권등 소유상황보고서” (“Officer and Major Shareholder Report of Holdings of Specific Securities”) filed with the Financial Supervisory Commission and Korea Exchange, detailing an executive’s personal share ownership and changes (buys/sells). This matches an insider transaction report by corporate directors/executives, which falls under the “Director’s Dealing” category (insider trades).
2026-04-24 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 90% confidence The document is a “특정증권등 소유상황보고서” in Korean, i.e. a mandatory insider ownership report filed by an executive (임원ㆍ주요주주) detailing personal shareholding changes (reduction of 3,000 shares) and current positions. This aligns with the category for reports of personal share transactions by company directors and executives (insider trades), which matches Code: DIRS.
2026-04-22 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 95% confidence The document is a Korean regulatory filing titled “임원ㆍ주요주주 특정증권등 소유상황보고서,” which translates to an insider ownership report for an executive (“임원”) and major shareholder. It details shareholdings before and after transactions, transaction dates, quantities, and price information submitted to the securities regulator and stock exchange. This exactly matches our “Director's Dealing” category (insider share transactions by directors and executives).
2026-04-22 Korean

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