Skip to main content
KOSTECSYS. CO., LTD. logo

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

Ticker · 355150 ISIN · KR7355150004 KO Manufacturing
Open in API
Filings indexed 196 across all filing types
Latest filing 2022-03-02 Audit Report / Informat…
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
감사보고서제출
Audit Report / Information Classification · 100% confidence The document is a regulatory filing from a Korean company (Kyobo 10th SPAC) announcing the submission of its audit report. It provides a summary table of financial data, including audit opinions, balance sheet items, and profit/loss figures, as required by Korean regulatory disclosure standards. Since it is a short announcement summarizing the audit results rather than the full, multi-page audit report document itself, it falls under the category of a report publication announcement. FY 2021
2022-03-02 Korean
사업보고서 (2021.12)
Audit Report / Information Classification · 100% confidence The document is a formal 'Audit Report' (감사보고서) for 'Kyobo 10th Special Purpose Acquisition Company' (교보10호기업인수목적 주식회사). It includes the independent auditor's report, financial statements (Statement of Financial Position, Statement of Comprehensive Income, Statement of Changes in Equity, Statement of Cash Flows), and detailed notes to the financial statements. It is a comprehensive financial document, not an announcement or a summary, and fits the definition of an Audit Report (AR). FY 2021
2022-03-02 Korean
주주총회소집공고
Proxy Solicitation & Information Statement Classification · 100% confidence The document is a 'Notice of Annual General Meeting' (주주총회소집공고) for 'Kyobo 10th SPAC'. It contains the agenda for the meeting, details on voting procedures, director/auditor compensation proposals, and financial statements (balance sheet, income statement) for shareholder approval. This document is a formal proxy statement/notice sent to shareholders to inform them of the upcoming meeting and solicit their votes, which fits the definition of a Proxy Solicitation & Information Statement.
2022-03-02 Korean
주주총회소집결의
AGM Information Classification · 98% confidence The document is a formal notice of a General Meeting of Shareholders (주주총회소집결의) for Kyobo No. 10 SPAC. It outlines the date, location, and agenda items (approval of financial statements, director/auditor compensation). This type of document is a standard proxy solicitation or notice of meeting sent to shareholders to inform them of upcoming votes, which falls under the Proxy Solicitation & Information Statement category.
2022-01-27 Korean
주주명부폐쇄기간또는기준일설정
Notice of Dividend Amount Classification · 95% confidence The document is a short regulatory notice regarding the setting of a record date and shareholder register closure period for an upcoming Annual General Meeting (AGM). It is a standard corporate announcement regarding administrative procedures for a meeting, which falls under general regulatory filings as it does not contain the full meeting materials or proxy statements.
2021-12-15 Korean
[기재정정]반기보고서 (2021.06)
Interim / Quarterly Report Classification · 95% confidence The document is a '반기보고서 정정신고' (Semi-annual Report Correction Filing) for '교보10호기업인수목적' (Kyobo 10th SPAC). It contains financial data, business descriptions, and management information typical of a semi-annual report (Interim Report). Although it is a correction filing, it functions as the primary financial reporting document for the period (2021.01.01-2021.06.30). According to the filing definitions, comprehensive financial reports for periods shorter than a full fiscal year are classified as Interim/Quarterly Reports (IR). H1 2021
2021-11-15 Korean

Browse filings by year

7 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.