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TSE CO.,Ltd — Investor Relations & Filings

Ticker · 131290 ISIN · KR7131290009 KO Manufacturing
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Filings indexed 278 across all filing types
Latest filing 2022-04-08 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. This document details the personal share transactions (insider trading) of a director (Park, Keunwon) of the company TSE Co., Ltd. Based on the filing definitions, this falls under 'Director's Dealing' (DIRS).
2022-04-08 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 Supervisory Service. It details the share transactions (acquisitions) made by an executive (Kim Kyung Eub) of the company TSE. This type of filing is specifically categorized as a 'Director's Dealing' (DIRS) report, as it tracks insider trading and changes in ownership by company management.
2022-04-08 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 Supervisory Service. This document details the change in share ownership by an executive (Kang Jung-sue) of the company TSE (티에스이). In the provided classification schema, reports detailing personal share transactions by company directors and executives are classified as 'Director's Dealing' (DIRS).
2022-04-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' (Report on Ownership of Specific Securities by Executives and Major Shareholders). It details a transaction involving the sale of shares by an executive (Choi Ho Jeong) of the company TSE Co., Ltd. This type of filing is a standard regulatory requirement for reporting insider trading or changes in share ownership by company directors and executives, which corresponds to the 'Director's Dealing' category.
2022-04-08 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is a '주식등의 대량보유상황보고서' (Report on Large Shareholding), which is a standard regulatory filing in South Korea (often referred to as the '5% rule' report). It details changes in share ownership by major shareholders and their special relations, including specific transaction dates, methods (e.g., open market sales, gifts), and updated share counts. This fits the definition of a 'Major Shareholding Notification' (MRQ).
2022-04-05 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 Supervisory Service. It details a change in share ownership (a decrease of 42,000 shares due to a gift) by a director/major shareholder (Kwon Sang Jun) of TSE Co., Ltd. This type of filing is specifically categorized as a Director's Dealing (DIRS) report, as it documents insider transactions and changes in holdings by company executives.
2022-04-05 Korean

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