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HANSUNG CLEANTECH CO., LTD. — Investor Relations & Filings

Ticker · 066980 ISIN · KR7066980004 KO Water supply; sewerage, waste management and remediation activities
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Filings indexed 403 across all filing types
Latest filing 2025-10-01 Major Shareholding Noti…
Country KR South Korea
Listing KO 066980

About HANSUNG CLEANTECH CO., LTD.

https://www.hscleantech.com/en

Hansung Cleantech Co., Ltd. is an environmental engineering company specializing in industrial water treatment solutions. The company provides comprehensive Engineering, Procurement, and Construction (EPC) services for ultrapure and demineralized water treatment facilities. Its expertise covers the entire water cycle, including make-up sections, polishing, distribution loops, and wastewater reclamation systems. Leveraging extensive project experience and specialized knowledge, Hansung Cleantech delivers advanced water and wastewater treatment technologies to create sustainable environmental solutions for various industrial applications.

Recent filings

Filing Released Lang Actions
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, relationships between shareholders, and related financial data. The document references specific dates and includes detailed tables of shareholding percentages and changes. This type of document corresponds to notifications about significant share ownership levels crossing thresholds. There is no indication that this is an annual report, earnings release, or any other financial report type. It is a regulatory filing specifically about major shareholding notifications.
2025-10-01 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Major Shareholding Notification Classification · 100% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' which translates to 'Report on Ownership Status of Specific Securities by Executives and Major Shareholders.' It includes detailed information about share ownership changes, ownership percentages, and specific securities held by a major shareholder or executive. The document references a merger event affecting share ownership. This type of filing corresponds to notifications about changes in significant share ownership levels or insider holdings. It is not an annual report, earnings release, or management report, but rather a notification of shareholding changes by major shareholders or insiders. Therefore, the appropriate classification is Major Shareholding Notification (MRQ). The document length is 2482 characters, which is consistent with a detailed ownership notification rather than a full report or announcement of a report.
2025-10-01 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 95% confidence The document is titled '주식등의 대량보유상황보고서(일반)' which translates to 'Report on Large Shareholding Status (General)'. It contains detailed information about shareholdings, changes in major shareholders, ownership percentages, and related financial data. It references changes in the largest shareholder due to a merger and provides extensive data on share ownership by various related parties. The document is regulatory in nature, reporting significant shareholding changes and ownership disclosures as required by capital market laws. It is not an annual report, earnings release, or management report. It is not a proxy statement or voting result announcement. It is a notification of changes in significant share ownership levels, fitting the definition of Major Shareholding Notification (MRQ). The document length is substantial and contains detailed data, not just an announcement or certification. Therefore, the correct classification is MRQ with high confidence.
2025-10-01 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Major Shareholding Notification Classification · 100% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' which translates to 'Report on Ownership Status of Specific Securities by Executives and Major Shareholders.' It details the ownership percentages, changes in shareholdings, and related information about a major shareholder and an executive. It includes specific data on share counts, ownership ratios, and changes due to a merger. This type of document corresponds to a Major Shareholding Notification, which reports changes in significant share ownership levels, often required by regulatory authorities. The document is not an annual report, earnings release, or any other financial report but a regulatory filing about share ownership. Therefore, the correct classification is Major Shareholding Notification (MRQ). The document length is 2526 characters, which is consistent with a detailed notification rather than a brief announcement or a full report.
2025-10-01 Korean
[기재정정]단일판매ㆍ공급계약체결(자율공시)
Regulatory Filings Classification · 85% confidence The document is a Korean self-disclosure (자율공시) announcing and correcting the terms of a single sales & supply contract (“단일판매ㆍ공급계약 체결”). It is not a financial report, earnings release, management discussion, financing update, or other specific category, but rather a standalone regulatory announcement of a material contract. It therefore falls into the fallback category “Regulatory Filings (RNS).”
2025-09-26 Korean
최대주주변경
Major Shareholding Notification Classification · 95% confidence The document is a formal disclosure of a change in the company’s major (controlling) shareholder, detailing share counts and ownership percentages before and after a merger, which aligns with the definition of a Major Shareholding Notification. It is not an earnings release, management report, or other report type but a precise notification of changes in significant share ownership levels.
2025-09-24 Korean

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