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Y-Biologics, Inc — Investor Relations & Filings

Ticker · 338840 ISIN · KR7338840002 KO Professional, scientific and technical activities
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Filings indexed 117 across all filing types
Latest filing 2026-06-04 Director's Dealing
Country KR South Korea
Listing KO 338840

About Y-Biologics, Inc

https://ybiologics.com/en/

Y-Biologics, Inc. is a biotechnology company specializing in the discovery and development of novel antibody-based therapeutics. The company's primary focus is on immuno-oncology, where it develops next-generation multispecific antibodies for the treatment of cancer. Y-Biologics leverages its proprietary human antibody discovery platform to advance its internal pipeline and support collaborations through technology transfers and joint development partnerships.

Recent filings

Filing Released Lang Actions
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 90% confidence The document is a regulatory report titled “임원ㆍ주요주주 특정증권등 소유상황보고서” (Report of Officers and Major Shareholders’ Holdings of Specific Securities), filed with the Securities and Futures Commission and Korea Exchange. It details the personal share ownership and insider transactions of a director/executive (박영우). This matches the definition of a Director’s Dealing report (insider share transactions by company directors/executives).
2026-06-04 Korean
주주총회소집결의 (임시주주총회)
Proxy Solicitation & Information Statement Classification · 75% confidence The document is a ‘주주총회소집결의’ notice—i.e., a formal convocation of an extraordinary shareholders’ meeting with date, venue, record date, electronic voting instructions, and agenda items including a director nomination and stock option extension. This is not the meeting minutes or voting outcome but the solicitation/notice of the meeting along with materials to guide shareholders’ voting. It matches our Proxy Solicitation & Information Statement category (PSI).
2026-05-27 Korean
주주명부폐쇄기간또는기준일설정
Regulatory Filings Classification · 80% confidence The document is a brief regulatory notice in Korean announcing the setting of a shareholders’ register closure period and record date for an extraordinary general meeting. It contains no financial statements, voting results, dividend info, or executive changes. It does not present a full report but simply notifies shareholders of the record date. This fits the fallback “General regulatory announcements” category.
2026-05-27 Korean
임시주주총회결과
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document is a notice of the results of an extraordinary shareholders’ meeting, listing the record date, meeting date, linked prior notices, and detailed vote outcomes on several proposals. This matches the definition of a Declaration of Voting Results & Voting Rights Announcement.
2026-05-19 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 98% confidence The document is titled “분기보고서” (Quarterly Report) covering the period 2026-01-01 to 2026-03-31 (the 19th fiscal period). It contains detailed financial statements, business overview, risk management sections, and other substantive data typical of a full interim/quarterly report. Therefore, it should be classified as an Interim / Quarterly Report. Q1 2026
2026-05-15 Korean
의결권대리행사권유참고서류
Proxy Solicitation & Information Statement Classification · 93% confidence The document is titled "의결권대리행사권유참고서류" and provides detailed proxy solicitation materials for the upcoming shareholders’ meeting, including agenda items, proxy grant methods (electronic and mail), timelines, and related instructions. It is clearly a solicitation packet sent to shareholders to request their vote via proxy, matching the definition of a Proxy Solicitation & Information Statement.
2026-04-23 Korean

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