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Kostek Systems, Inc. — Investor Relations & Filings

Ticker · 169670 ISIN · KR7169670007 KO Telecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
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Filings indexed 109 across all filing types
Latest filing 2026-03-31 Annual Report
Country KR South Korea
Listing KO 169670

About Kostek Systems, Inc.

http://www.kostek.co.kr/

Kostek Systems, Inc. is a company that develops and manufactures automation equipment for the semiconductor and flat-panel display (FPD) industries. The company specializes in vacuum cluster tools, compact vacuum platforms, and front-end modules for semiconductor front-end manufacturing processes. Its product offerings also include OLED encapsulation systems and Low-Temperature Polycrystalline Silicon (LTPS) PECVD systems. Kostek Systems is noted for its role in localizing vacuum cluster system technology and has supplied a large number of automation systems to fabrication facilities.

Recent filings

Filing Released Lang Actions
사업보고서 (2025.12)
Annual Report Classification · 100% confidence The document is a 'Business Report' (사업보고서) for the 26th fiscal year (2025), covering the period from January 1, 2025, to December 31, 2025. It includes detailed sections on company overview, management, capital structure, and business operations (industry status, market outlook, etc.). In the context of Korean financial reporting, the 'Business Report' (사업보고서) is the equivalent of the US 10-K, serving as the comprehensive annual report filed with the Financial Supervisory Service (FSS) and the Korea Exchange (KRX). FY 2025
2026-03-31 Korean
정기주주총회결과
Declaration of Voting Results & Voting Rights Announcements Classification · 85% confidence The document is titled “정기주주총회 결과” (Annual General Meeting results) and provides voting outcomes for each agenda item (approval of financial statements, director/auditor remuneration limits, director appointments, etc.) along with vote percentages. It is clearly a declaration of shareholder vote results rather than an AGM presentation, annual report, or other notice. Therefore it matches the “Declaration of Voting Results & Voting Rights Announcements” category (Code: DVA).
2026-03-26 Korean
감사보고서제출
Audit Report / Information Classification · 99% confidence The document is a formal regulatory filing titled '감사보고서 제출' (Submission of Audit Report) for the company '코스텍시스템'. It provides the audit opinion, key financial data (assets, liabilities, revenue, profit/loss), the name of the accounting firm, and the date of receipt. While it contains financial data, it is specifically a notification of the submission of the audit report to the regulatory body, which fits the definition of an Audit Report / Information (AR) filing. FY 2025
2026-03-18 Korean
주주총회소집공고
Proxy Solicitation & Information Statement Classification · 100% confidence The document is a formal 'Notice of General Meeting of Shareholders' (주주총회소집공고) for Kostek System Co., Ltd. It includes the date, time, location, and agenda items (such as financial statement approval, director appointments, and remuneration limits) for the upcoming Annual General Meeting. It also contains mandatory disclosures regarding board activities and business operations, which are standard components of a Proxy Statement/Information Statement package sent to shareholders to solicit votes. Therefore, it is classified as a Proxy Solicitation & Information Statement.
2026-03-10 Korean
주주총회소집결의
AGM Information Classification · 98% confidence The document is a formal notice of a General Meeting of Shareholders (주주총회소집 결의) for Costech System. It outlines the meeting date, location, agenda items (financial statement approval, director remuneration, and director appointments), and board resolution details. This type of document is a standard proxy solicitation/information statement provided to shareholders to inform them of upcoming meeting details and agenda items, which falls under the Proxy Solicitation & Information Statement category.
2026-02-23 Korean
주주명부폐쇄기간또는기준일설정
Regulatory Filings Classification · 95% confidence The document is a short regulatory announcement regarding the setting of a record date for a shareholder meeting (Annual General Meeting). It does not contain the full proxy materials or the meeting presentation itself, but rather serves as a formal notice of the record date for shareholder rights. Given the nature of the announcement as a regulatory disclosure of corporate action, it fits best under the RNS (Regulatory Filings) category as it is a standard corporate notification.
2025-12-16 Korean

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