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YMT CO., LTD. — Investor Relations & Filings

Ticker · 251370 ISIN · KR7251370003 KO Manufacturing
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Filings indexed 284 across all filing types
Latest filing 2026-05-27 Major Shareholding Noti…
Country KR South Korea
Listing KO 251370

About YMT CO., LTD.

https://ymtechnology.com/index_en.php

YMT CO., LTD. is a developer, manufacturer, and supplier of advanced chemical and electronic materials for the electronics industry. The company specializes in providing solutions for the manufacturing processes of printed circuit boards (PCBs), semiconductors, and other electronic components. Its product portfolio includes a wide range of process chemicals such as final surface treatments (ENIG, ENEPIG), various copper plating solutions, etchants, and cleaners. YMT also produces key electronic materials like ultra-thin copper foil and EMI shielding materials. The company complements its product offerings with plating outsourcing services and engages in the research and development of plating equipment. With a strong emphasis on research and development, YMT focuses on advancing technology for electronic materials.

Recent filings

Filing Released Lang Actions
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 92% confidence The document is a Korean “주식등의 대량보유상황보고서(일반)” which translates to a Large Shareholding Status Report under the Capital Markets Act. It details a major shareholder’s and their affiliates’ shareholding numbers, percentage, changes, and related contracts. This matches the definition of a major shareholding notification (code MRQ).
2026-05-27 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 98% confidence The document is titled '분기보고서' (Quarterly Report) for the 28th term 1st quarter (January 1, 2026 to March 31, 2026) of 와이엠티 주식회사. It contains detailed sections typical of an interim/quarterly financial report, including company overview, consolidated subsidiaries, capital changes, share issuance, treasury shares activities, credit ratings, and more. The length (over 200,000 characters), the inclusion of substantive financial and operational data, and the structure confirm it is the actual quarter report rather than an announcement or summary. Therefore, it is classified as an Interim / Quarterly Report. Q1 2026
2026-05-15 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 95% confidence The document is a Korean "주식등의 대량보유상황보고서(일반)" – a large‐shareholding position report under the Capital Markets Act Article 147, detailing the number of shares held, ownership ratios, changes, affiliates, and reasons for changes. This is a notification of changes in significant share ownership levels (major shareholding notification). Therefore it matches the Major Shareholding Notification category (MRQ).
2026-04-24 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 95% confidence The document is a regulatory filing titled “임원ㆍ주요주주 특정증권등 소유상황보고서” (Report on Ownership Status of Specific Securities by Executives and Major Shareholders), submitted to the Korea Securities and Futures Commission and Korea Exchange. It details the executive’s (director’s) shareholdings, changes in holdings, acquisition/disposition dates and amounts. This corresponds exactly to an insider transaction/holdings report. Therefore, it should be classified as Director’s Dealing (DIRS).
2026-04-17 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 88% confidence The document is the Korean statutory “임원ㆍ주요주주 특정증권등 소유상황보고서” which discloses personal shareholdings and insider transactions by an executive (Chun Sung Wook). It reports changes in shares owned by a director, including acquisition details. This matches the “Director’s Dealing” category (insider trades by directors/executives).
2026-04-17 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 95% confidence The document is a Korean “주식등의 대량보유상황보고서(일반)” (Report on Substantial Holdings), detailing a major shareholder’s equity position, percentage ownership before and after, related party holdings, and changes in share count. This corresponds to a regulatory notification of threshold‐exceeding share ownership changes. It is not a corporate announcement of its own share buyback, director personal trading, nor an earnings release or AGM material. Therefore, it falls under the “Major Shareholding Notification” category (MRQ).
2026-04-17 Korean

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