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ABION Inc. — Investor Relations & Filings

Ticker · 203400 ISIN · KR7203400007 KO Professional, scientific and technical activities
Open in API
Filings indexed 409 across all filing types
Latest filing 2026-05-26 Major Shareholding Noti…
Country KR South Korea
Listing KO 203400

About ABION Inc.

https://abionbio.com/en/

ABION Inc. is a clinical-stage biopharmaceutical company dedicated to the discovery and development of innovative medicines, focusing on first-in-class and best-in-class therapeutics for oncology and viral diseases. The company's lead oncology asset is ABN401, a selective c-Met tyrosine kinase inhibitor (TKI) designed to treat non-small cell lung cancer (NSCLC) with MET mutations, which has shown a favorable safety profile. Another key pipeline candidate is ABN501, a novel monoclonal antibody targeting Claudin-3 for various cancers. Beyond oncology, ABION is developing ABN101, a second-generation Interferon-β formulated as a broad-spectrum anti-viral inhaler for respiratory infections. The company aims to commercialize its assets in global markets through internationally recognized clinical processes.

Recent filings

Filing Released Lang Actions
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 95% confidence The document is a Korean ‘주식등의 대량보유상황보고서(약식)’ – a statutory report of large shareholdings and changes in those holdings by an investor under the Capital Markets Act. It details share counts, percentages, acquisition/disposition methods, dates, and purpose. This matches the Major Shareholding Notification category (MRQ).
2026-05-26 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 90% confidence The document is a Korean “주식등의 대량보유상황보고서(일반)” filed under the Capital Markets and Financial Investment Business Act, detailing the reporter’s and related parties’ shareholdings, changes in position, and voting rights. It is a regulatory notification of substantial share ownership changes rather than an earnings release, management discussion, or annual report. This matches the definition of a Major Shareholding Notification (MRQ).
2026-05-22 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 92% confidence The document is a Korean regulatory filing titled “임원ㆍ주요주주 특정증권등 소유상황보고서,” detailing the ownership and transactions of company insiders (an executive) in the issuer’s shares. It reports purchase and sale dates, share counts, and ownership percentages to the Financial Supervisory Service and Korea Exchange. This matches the definition of a Director’s Dealing (insider transactions report).
2026-05-22 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is a Korean ‘분기보고서’ (Quarterly Report) covering the period 2026.01.01–2026.03.31, filed with the Financial Services Commission and Korea Exchange on 2026-05-15. It contains detailed financial tables, business overview, R&D activities, and actual financial data for the quarter, matching the characteristics of an interim/quarterly report rather than an announcement or summary. Therefore it is classified as IR (Interim / Quarterly Report). Q1 2026
2026-05-15 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 95% confidence The document is an insider ownership report (“임원ㆍ주요주주 특정증권등 소유상황보고서”) filed to the Korean Financial Services Commission and Korea Exchange, detailing a director’s personal share ownership and recent trades (세부변동내역). This corresponds exactly to a Director’s Dealing disclosure (insider trades by executives).
2026-04-29 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 94% confidence The document is a Korean ‘임원ㆍ주요주주 특정증권등 소유상황보고서’ filed with the Securities and Futures Commission and Korea Exchange detailing an officer’s share holdings and transactions (30,000 common shares on 2026.04.27). This matches an insider transaction disclosure by a company executive. Therefore, it is a Director’s Dealing report (insider trades).
2026-04-29 Korean

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