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COSMOCHEMICALCO.,LTD — Investor Relations & Filings

Ticker · 005420 ISIN · KR7005420005 KO Manufacturing
Open in API
Filings indexed 351 across all filing types
Latest filing 2026-05-06 Regulatory Filings
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
영업(잠정)실적(공정공시)
Regulatory Filings
2026-05-06 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 95% confidence The document is the “주식등의 대량보유상황보고서(일반)” – a Large Shareholding Situation Report filed under the Capital Markets and Financial Investment Business Act, detailing thresholds crossed, share counts, related parties, contractual changes and purposes. This corresponds to a Major Shareholding Notification under our taxonomy.
2026-04-27 Korean
사외이사의선임ㆍ해임또는중도퇴임에관한신고
Board/Management Information Classification · 90% confidence The document is a formal notification to the financial regulator and stock exchange regarding the appointment, reappointment, and resignation of outside directors (사외이사 선임·해임 및 중도퇴임에 관한 신고). This clearly relates to board and senior management changes. Therefore, it falls under Board/Management Information (Code: MANG).
2026-03-26 Korean
정기주주총회결과
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document is the official results of a company’s Annual General Meeting (AGM), detailing approval of financial statements, election of directors, vote counts, and percentages. This matches the “Declaration of Voting Results & Voting Rights Announcements” category (DVA).
2026-03-26 Korean
[기재정정]사업보고서 (2025.12)
Annual Report Classification · 100% confidence The document is a 'Correction Report' (정정신고) for a previously filed 'Business Report' (사업보고서), which is the Korean equivalent of a 10-K. It explicitly states '정정대상 공시서류 : 사업보고서(2025.12)' and provides detailed corrections to financial statement notes (XBRL data corrections). Since this is a formal amendment to an annual financial report containing substantive financial data corrections, it is classified as a 10-K. FY 2025
2026-03-19 Korean
사업보고서 (2025.12)
Annual Report Classification · 100% confidence The document is a comprehensive 'Business Report' (사업보고서) for the 58th fiscal year (2025) of Cosmo Chemical Co., Ltd. It contains detailed sections including company overview, business activities, financial statements, management discussion and analysis, and governance information. It is a full-length annual filing submitted to the Financial Supervisory Service and the Korea Exchange, which corresponds to the 10-K category in the provided schema. FY 2025
2026-03-18 Korean

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