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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 2021-03-10 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
주주총회소집공고
AGM Information Classification · 98% confidence The document is a 'Notice of General Meeting of Shareholders' (주주총회소집공고) for Kyobo 10th SPAC. It contains the agenda for the upcoming annual general meeting, including the approval of financial statements, director compensation, and auditor compensation. It also includes proxy-related information such as the 'Written Voting Form' (서면투표에 의한 의결권행사서) and details on how shareholders can exercise their voting rights. This document is a standard proxy solicitation material sent to shareholders to inform them of the meeting and request their votes, which fits the definition of a Proxy Solicitation & Information Statement (PSI).
2021-03-10 Korean
감사보고서제출
Audit Report / Information Classification · 100% confidence The document is a formal regulatory filing titled '감사보고서 제출' (Submission of Audit Report) for Kyobo 10th Special Purpose Acquisition Company. It provides the audit opinion, key financial data, and auditor information as required by regulatory standards. Since it is a standalone report regarding the audit results rather than a full annual report or a mere announcement of a report's availability, it falls under the Audit Report category. FY 2020
2021-03-08 Korean
주주총회소집결의
AGM Information Classification · 98% confidence The document is a formal notice of a shareholder meeting (주주총회소집결의) for Kyobo 10th SPAC. It outlines the date, location, and agenda items (financial statement approval, director/auditor compensation limits) for an upcoming Annual General Meeting. This type of document is a standard proxy solicitation/notice of meeting sent to shareholders to inform them of the meeting and request their participation/votes.
2021-02-09 Korean
주주명부폐쇄기간또는기준일설정
Share Issue/Capital Change Classification · 95% confidence The document is a short regulatory announcement regarding the closure of the shareholder register for the purpose of holding an Annual General Meeting (AGM). It does not contain the full AGM materials or the meeting results, but rather serves as a formal notice of a corporate action (shareholder record date). Given the nature of the announcement and its brevity, it falls under the general regulatory filing category.
2020-12-15 Korean
분기보고서 (2020.09)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Quarterly Report' (분기보고서) for 'Kyobo 10 Special Purpose Acquisition Company' (교보10호기업인수목적 주식회사) covering the period from April 28, 2020, to September 30, 2020. It contains detailed corporate information, capital structure, shareholding status, and business objectives, which are characteristic of a formal interim financial filing submitted to the Financial Services Commission and the Korea Exchange. It is not an announcement of a report, but the report itself. 9M 2020
2020-11-13 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 100% confidence The document is a 'Report of Large Shareholding' (주식등의 대량보유상황보고서) filed in South Korea. This type of filing is required when an entity acquires a significant stake (typically 5% or more) in a publicly traded company. According to the provided definitions, this falls under the 'Major Shareholding Notification' category (MRQ), which covers notifications of changes in significant share ownership levels.
2020-09-25 Korean

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