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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 2023-03-08 Annual Report
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
사업보고서 (2022.12)
Annual Report Classification · 100% confidence The document is a 'Business Report' (사업보고서) for the fiscal year 2022 (2022.01.01-2022.12.31) submitted by Kyobo 10th Special Purpose Acquisition Company. It contains detailed company information, management changes, capital structure, and business descriptions, which are the standard components of a 10-K equivalent annual filing in the Korean market. FY 2022
2023-03-08 Korean
주주총회소집공고
Proxy Solicitation & Information Statement Classification · 100% confidence The document is a formal 'Notice of General Meeting of Shareholders' (주주총회소집공고) for 'Kyobo 10th Special Purpose Acquisition Company'. It includes the meeting agenda, voting procedures, proxy information, and detailed management reference materials (including board activity and business overviews of the target company, Costechsys). This document is a standard proxy statement and information circular provided to shareholders to solicit votes for an upcoming meeting, which fits the definition of a Proxy Solicitation & Information Statement.
2023-03-08 Korean
감사보고서제출
Audit Report / Information Classification · 100% confidence The document is a regulatory filing from a Korean company (Kyobo 10th SPAC) titled 'Audit Report Submission' (감사보고서 제출). It provides the audit opinion, key financial data, and auditor information for the fiscal year. While it contains financial data, it is a formal regulatory disclosure of the audit report's completion and filing, which fits the 'Audit Report / Information' (AR) category as it specifically details the audit results and auditor's opinion. FY 2022
2023-03-03 Korean
임시주주총회결과
Declaration of Voting Results & Voting Rights Announcements Classification · 100% confidence The document is an official report of the results of an Extraordinary General Meeting (임시주주총회결과) for 'Kyobo 10th SPAC'. It details the voting outcomes for various agenda items, including merger approval, board appointments, and articles of incorporation changes. Since this document provides the official results of a shareholder meeting, it falls under the category of Declaration of Voting Results.
2023-02-15 Korean
상호변경안내
Regulatory Filings Classification · 100% confidence The document is a short announcement regarding a change of company name (상호변경안내) following a merger. It provides the old name, new name, reason for change, and the date of the shareholder meeting. Since it is a regulatory announcement regarding corporate structure changes that does not fit into specific categories like M&A (which usually refers to the bid/proposal phase) or share issues, it is best classified as a general regulatory filing.
2023-02-15 Korean
사외이사의선임ㆍ해임또는중도퇴임에관한신고
Board/Management Information Classification · 100% confidence The document is a formal regulatory filing submitted to the Financial Supervisory Service/Korea Exchange regarding the appointment and resignation of outside directors (사외이사의 선임ㆍ해임 또는 중도퇴임에 관한 신고). This type of disclosure specifically concerns changes in the composition of the board of directors and senior management, which falls under the 'Board/Management Information' category.
2023-02-15 Korean

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