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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 2024-05-30 Report Publication Anno…
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
기업설명회(IR)개최
Report Publication Announcement Classification · 100% confidence The document is a formal announcement regarding an upcoming Investor Relations (IR) event (기업설명회). It provides details such as the date, time, location, purpose, and target audience for the conference call. Since it is an announcement of an event and the availability of IR materials rather than the presentation deck itself, it falls under the category of a regulatory filing or announcement regarding corporate activities.
2024-05-30 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 by an executive (Lee Seung-Ju) of the company Kostec. This type of filing is a standard regulatory requirement for reporting insider transactions (director's dealings) in South Korea. It details the change in share ownership due to market purchases. Therefore, it falls under the 'Director's Dealing' category.
2024-05-27 Korean
자기주식취득결과보고서
Transaction in Own Shares Classification · 100% confidence The document is a 'Report on the Results of Treasury Stock Acquisition' (자기주식취득결과보고서) filed with the Financial Supervisory Service (금융감독원). It details the specific dates, quantities, and prices of shares repurchased by the company (Kostecsys) over a defined period. This falls under the category of a company reporting its own share buyback activities.
2024-05-23 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 the 5% rule filing). It details the change in share ownership by Kyobo Securities in the company Costechsys. This falls under the category of 'Major Shareholding Notification' (MRQ) as it tracks significant changes in ownership levels.
2024-05-16 Korean
분기보고서 (2024.03)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Quarterly Report' (분기보고서) for the company 'Kostecsys' (주식회사 코스텍시스) covering the period from January 1, 2024, to March 31, 2024. It contains detailed financial information, business descriptions, and management disclosures, which aligns with the definition of an Interim/Quarterly Report (IR). Q1 2024
2024-05-10 Korean
주요사항보고서(유상증자결정)
Share Issue/Capital Change Classification · 100% confidence The document is a 'Major Matter Report' (주요사항보고서) filed with the Korean financial authorities regarding a decision for a third-party capital increase (유상증자결정). This document details the issuance of new shares, the purpose of the capital raise, the pricing methodology, and the specific third-party allocation details. In the context of financial filings, this constitutes a 'Share Issue/Capital Change' announcement.
2024-05-08 Korean

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