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DONG-A ST CO.,LTD — Investor Relations & Filings

Ticker · 170900 ISIN · KR7170900005 KO Manufacturing
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Filings indexed 634 across all filing types
Latest filing 2026-03-31 Director's Dealing
Country KR South Korea
Listing KO 170900

About DONG-A ST CO.,LTD

https://www.donga-st.com

Dong-A ST CO., LTD. is a pharmaceutical company focused on the research, development, manufacturing, and marketing of ethical drugs, medical devices, and diagnostics. The company's portfolio includes proprietary new drugs such as Stillen (gastritis), Zydena (erectile dysfunction), and Motilitone (functional dyspepsia). Operating from cGMP-compliant facilities, it exports a diverse range of products, including novel drugs, generics, and biopharmaceuticals, to global markets. The company maintains a strong commitment to innovative R&D, with a pipeline featuring first-in-class therapeutic candidates for metabolic diseases, including MASH (Metabolic dysfunction-associated steatohepatitis) and obesity, which are being advanced through a dedicated global R&D base.

Recent filings

Filing Released Lang Actions
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 95% confidence The document is a Korean report titled “임원ㆍ주요주주 특정증권등 소유상황보고서” filed to the Securities and Futures Commission and Korea Exchange. It details share ownership and changes by an executive (임원), including acquisition dates and holdings. This matches an insider/ director dealing report, not a full financial report or announcement. Therefore, it is classified as Director’s Dealing (DIRS).
2026-03-31 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 95% confidence The document is titled “임원ㆍ주요주주 특정증권등 소유상황보고서,” which in English means “Report on Ownership Status of Specific Securities by Directors and Major Shareholders.” It details an executive’s shareholdings, changes in shares, percentages, and acquisition/disposition information for a named director. This matches the definition of a director’s dealing report (insider share transactions). Therefore, the appropriate classification is DIRS.
2026-03-31 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 96% confidence The document is a regulatory insider shareholding report filed with the Securities and Futures Commission and the Korea Exchange, detailing an executive’s (성수기) ownership of specified securities, changes in holdings, acquisition dates, and share counts. This matches the definition of an insider directors’ dealings report rather than an earnings release or general announcement.
2026-03-31 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 90% confidence The document is a regulatory filing in Korean detailing the ownership and changes in holdings of an executive (임원) of Dong-A ST Co., Ltd. It lists the number of shares before and after, the acquisition/disposition dates and quantities, and is submitted to the securities regulator and stock exchange. This is exactly a report of personal share transactions and holdings by a company director/insider. Therefore it falls under the 'Director's Dealing' category (insider trades).
2026-03-31 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 95% confidence The document is a Korean "임원ㆍ주요주주 특정증권등 소유상황보고서", detailing an officer (임원) and major shareholder’s ownership and changes in specific securities. It contains tables of share counts, types of securities, acquisition/disposal dates and prices, which exactly matches the definition of a Director’s Dealing report (insider transactions). Therefore, it should be classified as DIRS.
2026-03-31 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 95% confidence The document is a Korean regulatory filing titled “임원ㆍ주요주주 특정증권등 소유상황보고서,” detailing an officer’s (정재훈) and major shareholder’s holdings and changes in specified securities (share numbers, ownership ratios, acquisition/disposition details). This corresponds to insider share transactions by a company director. It matches the “Director’s Dealing” category.
2026-03-31 Korean

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