Skip to main content
Kostek Systems, Inc. logo

Kostek Systems, Inc. — Investor Relations & Filings

Ticker · 169670 ISIN · KR7169670007 KO Telecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
Open in API
Filings indexed 114 across all filing types
Latest filing 2026-06-10 Proxy Solicitation & In…
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
주주총회소집결의
Proxy Solicitation & Information Statement Classification · 90% confidence The document is a formal shareholders’ meeting convening notice (‘주주총회소집 결의’) detailing the meeting date, location, record date, board resolution date, and agenda (director appointment). This is a notice to shareholders requesting attendance and voting at an upcoming general meeting, which falls under Proxy Solicitation & Information Statement (PSI).
2026-06-10 Korean
주주명부폐쇄기간또는기준일설정
Regulatory Filings Classification · 94% confidence The document is a brief announcement in Korean regarding the setting of a record date and closure period for the shareholder register in conjunction with an upcoming extraordinary shareholders’ meeting. It contains no financial statements, audit details, dividend information, or notice of any report publication. It does not fit into specific categories like dividends, capital changes, AGM materials, or management changes. It is a general regulatory announcement about corporate actions related to shareholder records, which defaults to the Regulatory Filings category.
2026-06-10 Korean
최대주주변경
Major Shareholding Notification Classification · 95% confidence The document is an official announcement detailing changes in the company’s major shareholder (maximum shareholder) and the shareholdings before and after the change (due to the death of the previous major shareholder). There is no capital issuance or dividend declared, nor is it an AGM or financial report. This fits the definition of a Major Shareholding Notification (MRQ).
2026-06-04 Korean
기업설명회(IR)개최
Regulatory Filings Classification · 65% confidence The document is a short announcement detailing the schedule, location, and participants for a corporate investor relations presentation event (기업설명회(IR) 개최). It contains no actual financial statements, presentations, or detailed report content—only an event notice. It is not a report itself (IR or 10-K) nor an investor presentation document, but rather a general regulatory announcement on the Korean exchange’s system. Therefore, it falls under the fallback category Regulatory Filings (RNS).
2026-06-04 Korean
대표이사변경
Board/Management Information Classification · 97% confidence The document is an official announcement detailing a change in the company's representative director (CEO) including dates, reasons, board resolution details, and replacement plans. This aligns precisely with Board/Management Information (announcement of changes in board or senior management).
2026-06-04 Korean
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

Browse filings by year

8 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.