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COSMOCHEMICALCO.,LTD — Investor Relations & Filings

Ticker · 005420 ISIN · KR7005420005 KO Manufacturing
Open in API
Filings indexed 353 across all filing types
Latest filing 2026-01-05 Director's Dealing
Country KR South Korea
Listing KO 005420

About COSMOCHEMICALCO.,LTD

https://www.cosmochem.com/

COSMOCHEMICALCO.,LTD. is a chemical materials company specializing in the production of titanium dioxide and materials for secondary batteries. The company manufactures titanium dioxide (anatase), a key white pigment used in a wide range of applications including paints, plastics, rubber, and paper. Leveraging its accumulated technology, the company also produces core materials for the secondary battery market. It was a pioneer in the manufacturing of cobalt sulfate and also supplies other essential battery materials such as nickel.

Recent filings

Filing Released Lang Actions
최대주주등소유주식변동신고서
Director's Dealing Classification · 95% confidence The document is a 'Report of Change in Shareholding by Major Shareholders and Others' (최대주주등소유주식변동신고서) filed by Cosmo Chemical. It details changes in share ownership for specific individuals (directors/executives) and the major shareholder group. While it involves directors, it is specifically a regulatory disclosure of shareholding changes (insider holdings) rather than a simple notification of a board appointment or a transaction in own shares by the company itself. In the context of the provided categories, this fits best under 'Director's Dealing' (DIRS) as it reports personal share transactions/holdings changes by company directors and executives.
2026-01-05 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is titled '주식등의 대량보유상황보고서' which translates to 'Report on Large Holdings of Shares' and includes detailed information about share ownership percentages, changes in shareholdings, related contracts, and disclosures about major shareholders and their relationships. It references specific dates and legal provisions related to capital markets and financial investment laws. The content is focused on reporting significant shareholding positions and changes thereof, which aligns with notifications about major shareholding levels. There is no indication that this is an annual report, earnings release, or any other financial statement. The document is substantive and detailed, not a brief announcement or certification. Therefore, the appropriate classification is Major Shareholding Notification (MRQ).
2025-11-06 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is titled '주식등의 대량보유상황보고서' which translates to 'Report on Large Shareholding Status'. It contains detailed information about shareholdings, changes in share ownership, major shareholders, and related contractual details. The document references specific dates and shareholding percentages, and it is clearly a regulatory filing related to disclosure of significant share ownership. There is no indication that this is an annual report, earnings release, or management report. It is not a proxy solicitation or voting result announcement. The content matches the description of a Major Shareholding Notification, which involves notification of changes in significant share ownership levels. The document length is over 10,000 characters and contains substantive data, so it is not a mere announcement or certification. Therefore, the correct classification is Major Shareholding Notification (MRQ).
2025-10-27 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is titled '주식등의 대량보유상황보고서' which translates to 'Report on Large Shareholding Status'. It contains detailed information about shareholdings, changes in share ownership, major shareholders, and related contracts. The document references specific dates and shareholding percentages, and it is structured as a formal report to regulatory bodies such as the Financial Services Commission and the Korea Exchange. This type of document corresponds to notifications about major shareholding changes, which aligns with the category 'Major Shareholding Notification' (Code: MRQ). The document is over 10,000 characters and contains substantive data, so it is not a mere announcement or certification. Therefore, the correct classification is MRQ with high confidence.
2025-10-21 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 95% confidence The document is a statutory “주식등의 대량보유상황보고서(일반)” which is a large shareholding disclosure form reporting changes in significant share ownership under the Capital Markets Act. It details the number of shares held by the reporting person and related parties, contractual arrangements, and the purpose of holding. This matches the “Major Shareholding Notification” definition (Code: MRQ).
2025-09-30 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is a '주식등의 대량보유상황보고서' (Report on Large Shareholding), which is a standard regulatory filing in South Korea under Article 147 of the Capital Markets Act. This document details the shareholding status, changes in ownership, and collateral agreements of major shareholders (Cosmo & Company and related parties) in Cosmo Chemical Co., Ltd. It is a formal disclosure of significant share ownership changes, which falls under the 'Major Shareholding Notification' category.
2025-09-10 Korean

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