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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 2024-02-13 AGM Information
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
주주총회소집결의
AGM Information Classification · 98% confidence The document is a formal notice of a General Meeting of Shareholders (주주총회소집결의) for the company '코스텍시스'. It outlines the date, location, and the agenda items (such as approval of financial statements, board remuneration, etc.) to be voted upon at the upcoming Annual General Meeting. This document serves as the official proxy solicitation and information statement provided to shareholders to inform them of the meeting and the matters to be decided, which fits the definition of Proxy Solicitation & Information Statement (PSI).
2024-02-13 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 required when an entity's shareholding in a company crosses certain thresholds. It details the changes in share ownership, including the reporter (Kyobo Securities), the issuer (Costechsys), and the reason for the change (merger-related conversion of convertible bonds). This falls under the category of 'Major Shareholding Notification'.
2024-02-01 Korean
주권매매거래정지해제(액면병합 주권 변경상장)
Delisting Announcement Classification · 100% confidence The document is a short regulatory notice regarding the lifting of a trading suspension for (주)코스텍시스 due to a stock split/consolidation (액면병합). It is a specific regulatory announcement issued by the exchange, not a financial report or a corporate action announcement that fits into the other specific categories. Therefore, it falls under the fallback category for regulatory announcements.
2024-02-01 Korean
매출액또는손익구조30%(대규모법인은15%)이상변동
Earnings Release Classification · 100% confidence The document is a regulatory filing from a Korean company (Costechsys) announcing a significant change (over 30%) in revenue or profit/loss structure. This type of disclosure is a standard regulatory requirement in the Korean market (DART system) for listed companies to report material financial changes before the final audit is completed. It provides key financial highlights and reasons for the variance, fitting the definition of an Earnings Release (ER) as it is an initial announcement of financial results/highlights rather than a full annual report or a simple report publication notice. FY 2023
2024-01-31 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 the Capital Markets Act. It details changes in share ownership by major shareholders and special related parties, including reasons like stock consolidation and gifts. This falls under the 'Major Shareholding Notification' category.
2024-01-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing 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 regulatory authorities (Financial Supervisory Service/Korea Exchange). This type of filing is specifically used to report changes in share ownership by company insiders (directors/major shareholders). In the provided taxonomy, 'Director's Dealing' (DIRS) is the correct category for reports concerning personal share transactions or changes in ownership status by company directors and executives.
2024-01-08 Korean

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