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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 2025-05-07 Major Shareholding Noti…
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
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is a 'Report on the Status of Large Shareholdings' (주식등의 대량보유상황보고서), which is a regulatory filing required under Article 147 of the Capital Markets Act in South Korea. It details changes in share ownership by major shareholders and their special relations, including specific transaction dates, volumes, and purposes. This type of filing is classified as a 'Major Shareholding Notification' (MRQ) in the provided schema.
2025-05-07 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is a '주식등의 대량보유상황보고서' (Report on Large Shareholding of Stocks, etc.), which is a standard regulatory filing in South Korea under the Capital Markets Act. It details changes in share ownership by a major shareholder (Kim Chul Ho) and related parties. This type of filing is specifically categorized as a 'Major Shareholding Notification' (MRQ) in the provided schema, as it tracks changes in significant ownership levels.
2025-04-15 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 Supervisory Service. This type of filing is a standard regulatory disclosure for insider trading or changes in share ownership by company directors/executives, which corresponds to the 'Director's Dealing' category.
2025-04-11 Korean
정기주주총회결과
Declaration of Voting Results & Voting Rights Announcements Classification · 100% confidence The document is an official report of the results of a General Meeting of Shareholders (AGM), detailing the approval of financial statements, dividend resolutions, and the election of directors. This falls under the category of Declaration of Voting Results & Voting Rights Announcements (DVA), as it explicitly reports the outcome of shareholder votes on various agenda items.
2025-03-28 Korean
대표이사변경
Board/Management Information Classification · 100% confidence The document is a formal announcement regarding a change in the company's representative director (CEO). It details the transition from a single representative to joint representative directors, provides the effective date, the board resolution date, and biographical information for the new appointee. This aligns perfectly with the definition for Board/Management Information (MANG).
2025-03-28 Korean
사외이사의선임ㆍ해임또는중도퇴임에관한신고
Board/Management Information Classification · 100% confidence The document is a formal regulatory filing titled '사외이사의 선임ㆍ해임 또는 중도퇴임에 관한 신고' (Report on the Appointment, Dismissal, or Resignation of Outside Directors). It details the appointment of a new outside director (Kim Hoon-gi) following a general meeting. This falls under the category of Board/Management Information (MANG) as it pertains to changes in the company's board composition.
2025-03-28 Korean

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