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PROTEINA CO.,LTD. — Investor Relations & Filings

Ticker · 468530 ISIN · KR7468530001 KO Professional, scientific and technical activities
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Filings indexed 58 across all filing types
Latest filing 2026-05-15 Interim / Quarterly Rep…
Country KR South Korea
Listing KO 468530

About PROTEINA CO.,LTD.

https://www.proteina.co.kr/en/

PROTEINA CO., LTD. is a biotechnology company specializing in proteomics, with a core focus on analyzing protein-protein interactions (PPIs). The company's proprietary SPID (Single-molecule Protein Interaction Detection) platform provides real-time, high-resolution insights into protein complexes with exceptional sensitivity. This technology is applied to discover novel drug candidates, develop PPI biomarkers, and advance new approaches to disease diagnostics. PROTEINA aims to drive the development of next-generation precision therapies by revolutionizing the understanding of protein interactions.

Recent filings

Filing Released Lang Actions
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is clearly titled “분기보고서” (Quarterly Report) covering the period 2026.01.01–2026.03.31 (제12기 1분기). It contains detailed sections including company overview, capital structure, share counts, business description, product and service revenue breakdown, raw materials procurement, and other substantive financial and operational data. This matches the definition of an Interim/Quarterly Report, not merely an earnings release or announcement. Therefore, it should be classified as Code IR (Interim / Quarterly Report). Q1 2026
2026-05-15 Korean
기업설명회(IR)개최
Regulatory Filings
2026-05-06 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is titled '주식등의 대량보유상황보고서(일반)' which translates to 'Report on Large Shareholding Status (General)'. It contains detailed information about share ownership, changes in shareholding, related parties, and contracts concerning shares. The document references specific dates and legal provisions related to capital markets and financial investment laws. It reports on the holdings and changes in holdings of shares by a major shareholder and related parties, including stock options exercised. This matches the description of a Major Shareholding Notification, which involves notification of changes in significant share ownership levels. The document is not an annual report, earnings release, or any other financial report type, nor is it a simple announcement or certification. Therefore, the appropriate classification is Major Shareholding Notification (MRQ).
2026-04-30 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Major Shareholding Notification Classification · 100% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' which translates to 'Report on Ownership Status of Certain Securities by Executives and Major Shareholders.' It contains detailed information about the ownership of securities by an individual named 이대승, including the number of shares owned, changes in ownership, and types of securities held. The document is addressed to regulatory bodies such as the Securities and Futures Commission and the Korea Exchange, indicating it is a formal disclosure of insider holdings. This matches the definition of a Major Shareholding Notification, which involves reporting changes in significant share ownership levels. The document is not an announcement of a report, nor is it a financial report or management information. Therefore, the correct classification is Major Shareholding Notification (MRQ).
2026-04-30 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Major Shareholding Notification Classification · 100% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' which translates to 'Report on Ownership Status of Certain Securities by Executives and Major Shareholders.' It contains detailed information about the ownership of securities by an executive named 이홍원 (Hongwon Lee), including the number of shares owned, changes in ownership, and related dates. The document is addressed to regulatory bodies such as the Securities and Futures Commission and the Korea Exchange, indicating it is a formal notification of insider holdings. This matches the definition of a Major Shareholding Notification, which involves reporting changes in significant share ownership levels. The document length is 2494 characters, which is consistent with a detailed ownership notification rather than a full financial report or announcement. Therefore, the appropriate classification is Major Shareholding Notification (MRQ).
2026-04-30 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Major Shareholding Notification Classification · 100% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' which translates to 'Report on Ownership Status of Specific Securities by Executives and Major Shareholders.' It includes detailed information about the ownership of securities by an executive named 최병산, including share counts, ownership percentages, and changes in holdings. The document is addressed to regulatory bodies such as the Securities and Futures Commission and the Korea Exchange, indicating it is a formal ownership disclosure. This type of document corresponds to notifications of insider holdings or major shareholdings. Given the content and purpose, the document fits the category of Major Shareholding Notification (MRQ). The document length is 2472 characters, which is consistent with a detailed ownership report rather than a brief announcement or a full financial report. Therefore, the classification is MRQ with high confidence.
2026-04-30 Korean

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