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Chunbo Co., Ltd. — Investor Relations & Filings

Ticker · 278280 ISIN · KR7278280003 KO Manufacturing
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Filings indexed 280 across all filing types
Latest filing 2026-02-09 Major Shareholding Noti…
Country KR South Korea
Listing KO 278280

About Chunbo Co., Ltd.

http://chunbochem.com/

Chunbo Co., Ltd. is a fine chemical materials company that develops and manufactures a range of specialized products. The company's core business focuses on electronic materials, including key additives for secondary battery electrolytes used in electric vehicles, etchants for LCD and OLED display manufacturing, and materials for semiconductor processes. In addition to its electronics portfolio, Chunbo produces raw materials and intermediates for the pharmaceutical industry. The company supplies high-performance chemical solutions for applications in information technology, biotechnology, and green technology sectors.

Recent filings

Filing Released Lang Actions
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 100% confidence The document is a 'Report of Large Shareholding' (주식등의 대량보유상황보고서), which is a standard regulatory filing in South Korea (often referred to as a 5% rule filing). It details changes in share ownership by KB Securities in the company 'Cheonbo'. This type of filing is a mandatory disclosure of significant shareholding changes and does not fit into categories like Annual Reports, Earnings Releases, or Proxy Statements. Therefore, it is classified as a Major Shareholding Notification.
2026-02-09 Korean
파생상품거래손실발생
Capital/Financing Update Classification · 95% confidence The document is a regulatory disclosure regarding a derivative trading loss (파생상품거래손실발생) filed by the company 'Chunbo'. It details the nature of the loss, the financial impact relative to equity, and the accounting reasons for the loss (non-cash valuation loss). As this is a specific regulatory disclosure of a material event that does not fit into standard financial reporting or other specific categories, it is classified as a Regulatory Filing (RNS).
2026-02-02 Korean
매출액또는손익구조30%(대규모법인은15%)이상변동
Earnings Release Classification · 100% confidence The document is a regulatory filing from the Korean Exchange (KRX) regarding a significant change in financial results (revenue or profit/loss structure) for the company 'Chunbo'. It provides a summary of financial performance (revenue, operating profit, net income) comparing the current fiscal year to the previous one, along with reasons for the variance. This is a standard 'Earnings Release' (ER) filing in the Korean market, as it provides the initial announcement of financial results before the final audited report is published. FY 2025
2026-02-02 Korean
전환청구권행사
Share Issue/Capital Change Classification · 95% confidence The document is a formal notification of the exercise of conversion rights (전환청구권행사) regarding convertible bonds (전환사채). It details the number of shares issued, the conversion price, and the remaining balance of convertible bonds. This type of filing relates to changes in capital structure through the conversion of debt into equity, which falls under the 'Share Issue/Capital Change' category.
2026-01-29 Korean
[기재정정]주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 100% confidence The document is a 'Report of Large Shareholding' (주식등의 대량보유상황보고서), which is a regulatory filing in South Korea (often referred to as a 5% rule filing). It details changes in share ownership, including specific transaction dates, volumes, and the identity of the reporting entity (KB Securities). This document type is specifically designed to notify regulators and the public of significant changes in shareholding, which falls under the 'Major Shareholding Notification' category.
2026-01-12 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 100% confidence The document is a 'Report of Large Shareholding' (주식등의 대량보유상황보고서), which is a standard regulatory filing in South Korea (often referred to as the 5% rule filing). It details the changes in share ownership by KB Securities in the company 'Chunbo'. This document type is specifically used to notify regulators and the public of significant changes in shareholding, which falls under the 'Major Shareholding Notification' category.
2026-01-09 Korean

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