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TSE CO.,Ltd — Investor Relations & Filings

Ticker · 131290 ISIN · KR7131290009 KO Manufacturing
Open in API
Filings indexed 278 across all filing types
Latest filing 2021-11-03 Director's Dealing
Country KR South Korea
Listing KO 131290

About TSE CO.,Ltd

https://www.tse21.com/

TSE CO., Ltd. develops and manufactures semiconductor test interfaces and display inspection equipment. The company provides vertically integrated solutions for the semiconductor testing process, specializing in probe cards, interface boards, and test sockets produced entirely in-house. Its core offering is the i3unify architecture, an integrated system combining these three components to address diverse chip testing requirements for DRAM, Flash, Foundry, Logic, and SoC devices. The product portfolio includes High-Performance and Vertical MEMS Probe Cards, simulation-based Device Test Interface Boards, and optimized sockets and Change-Over Kits (COKs) for package testing. In the display sector, TSE supplies Array Test Systems (ATS), which are electrical measurement systems for advanced displays such as OLED TVs and AR/VR glass. The company's solutions are designed to deliver high accuracy and efficiency for global chipmakers and display manufacturers.

Recent filings

Filing Released Lang Actions
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서) filed with the Korean Financial Supervisory Service. It details the share transactions (specifically a sale of 500 shares) by an executive (Yun Joo Wan) of the company TSE (티에스이). This type of filing is a standard regulatory disclosure for insider trading/director dealings.
2021-11-03 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서) filed with the Korean financial authorities (Financial Supervisory Service/Korea Exchange). It details the share transactions (specifically a sale of 2,000 shares) by an executive (Oh Chang Su) of the company TSE (티에스이). This type of filing is a standard regulatory disclosure for insider trading/director dealings.
2021-10-06 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서). This is a standard regulatory filing in South Korea used by company insiders (directors/executives) to report their personal share transactions (insider trading). According to the provided definitions, reports of personal share transactions by company directors and executives are classified as 'Director's Dealing' (DIRS).
2021-09-27 Korean
합병등종료보고서(합병)
M&A Activity Classification · 100% confidence The document is titled '합병등종료보고서' (Report on Completion of Merger, etc.) filed by TSE Co., Ltd. with the Financial Supervisory Service. It details the finalization of a merger process, including the merger date, creditor protection procedures, and post-merger financial status. This document is a formal regulatory filing confirming the completion of a corporate transaction (M&A), which falls under the 'M&A Activity' category.
2021-09-15 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서) filed with the Korean financial authorities. It details specific share transactions (disposals) by an executive (Oh Chang Su) of the company TSE (티에스이). This type of filing is a standard regulatory disclosure for insider trading/shareholding changes by directors and executives, which corresponds to the 'Director's Dealing' category.
2021-09-13 Korean
소송등의판결ㆍ결정(자율공시:일정금액미만의청구)
Legal Proceedings Report Classification · 100% confidence The document is a formal disclosure regarding a court judgment (patent infringement lawsuit) involving the company TSE. It details the case name, court, judgment content, and the company's response. This falls under the category of legal proceedings and regulatory disclosures regarding litigation.
2021-08-24 Korean

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