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KOSTECSYS. CO., LTD. — Investor Relations & Filings

Ticker · 355150 ISIN · KR7355150004 KO Manufacturing
Open in API
Filings indexed 196 across all filing types
Latest filing 2023-04-17 Regulatory Filings
Country KR South Korea
Listing KO 355150

About KOSTECSYS. CO., LTD.

https://www.kostec.net/en/

KOSTECSYS is a manufacturer of advanced thermal management and packaging solutions for the semiconductor industry. The company specializes in components for next-generation power semiconductors, including SiC and GaN devices, leveraging its proprietary KCMC® low-thermal expansion, high-heat dissipation materials. Its core products include thermal matching packages, heat spreaders, base plates, spacers, and liquid cold plates. KOSTECSYS also provides specialized packages for high-power laser diodes, photonic integrated circuits, and high-frequency MMICs, as well as components such as current sensor shunt resistors.

Recent filings

Filing Released Lang Actions
단일판매ㆍ공급계약체결
Regulatory Filings Classification · 100% confidence The document is a formal regulatory disclosure regarding a 'Single Sale/Supply Contract' (단일판매ㆍ공급계약체결) between Costechsys and NXP. It details the contract value, duration, and terms. Since this is a specific corporate event announcement regarding a business contract that does not fit into categories like M&A, dividends, or financial reports, it falls under the general regulatory filing category.
2023-04-17 Korean
단기차입금감소결정(자율공시)
Capital/Financing Update Classification · 100% confidence The document is a regulatory filing from a Korean company (코스텍시스) announcing a decision to reduce short-term debt (단기차입금감소결정). It details the amount of reduction, the impact on equity, and the reasoning (financial cost reduction and financial stability). This type of corporate disclosure regarding financing and capital structure changes falls under the 'Capital/Financing Update' category.
2023-04-12 Korean
소속부변경
Regulatory Filings Classification · 100% confidence The document is a short, formal announcement regarding a change in the company's market classification (from 'Venture' to 'Mid-sized' enterprise) on the stock exchange. It does not contain financial statements, proxy materials, or other substantive reports. As it is a brief regulatory notification of a corporate status change, it falls under the general regulatory filing category.
2023-04-12 Korean
기업설명회(IR)개최
Report Publication Announcement Classification · 100% confidence The document is a formal announcement regarding the scheduling and details of an Investor Relations (IR) meeting (기업설명회). It provides the date, time, location, and purpose of the meeting, and mentions that IR materials will be posted on the Korea Exchange (KIND) system. Since this is an announcement of an event rather than the presentation slides themselves, and it does not fit into specific categories like earnings releases or financial reports, it is classified as a Regulatory Filing (RNS) as it serves as a general corporate disclosure.
2023-04-11 Korean
주식등의대량보유상황보고서(약식)
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 (often referred to as a 5% rule filing). It details changes in share ownership by Ubiquoss Investment and its special related parties in the company Costechsys. This type of filing is specifically categorized as a 'Major Shareholding Notification' (MRQ) in the provided schema.
2023-04-07 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Major Shareholding Notification Classification · 100% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서) filed with the Korean financial authorities. This type of filing is specifically used to report changes in shareholdings by major shareholders or insiders, which corresponds to the 'Major Shareholding Notification' category in the provided schema.
2023-04-07 Korean

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