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Y-Biologics, Inc — Investor Relations & Filings

Ticker · 338840 ISIN · KR7338840002 KO Professional, scientific and technical activities
Open in API
Filings indexed 112 across all filing types
Latest filing 2026-04-23 Proxy Solicitation & In…
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
의결권대리행사권유참고서류
Proxy Solicitation & Information Statement Classification · 1% 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
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 1% confidence The document is a Korean “임원ㆍ주요주주 특정증권등 소유상황보고서”, which is an insider report disclosing changes in securities holdings by an executive (장우익). It details specific transactions (exercise of stock options) and resulting shareholdings. This matches a Director’s Dealing report (insider trades).
2026-04-16 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 1% confidence The document is a statutory ‘주식등의 대량보유상황보고서(일반)’ filed under Korea’s Capital Markets and Financial Investment Services Act, detailing an individual’s and related parties’ shareholdings, changes in holdings, and related contractual details. This is exactly a Major Shareholding Notification of changes in significant share ownership levels. It is not an earnings release, management report, or general regulatory announcement.
2026-04-16 Korean
[기재정정]주식매수선택권행사
Share Issue/Capital Change Classification · 1% confidence The document is a Korean regulatory disclosure detailing the exercise of stock options (주식매수선택권 행사), the issuance of new shares, and a related change to the expected new‐share listing date. This constitutes a corporate action affecting the company’s capital structure by issuing new shares. It is not a meeting presentation, earnings report, or repurchase of shares, but an announcement of share issuance/capital change. Therefore, it best matches the Share Issue/Capital Change category (SHA).
2026-04-16 Korean
주주총회소집결의
Proxy Solicitation & Information Statement Classification · 1% confidence The document is the official convocation notice for an (extraordinary) shareholders’ meeting, detailing the meeting date, record date, agenda items, and voting procedures (including electronic voting). It provides information to shareholders to inform and solicit their votes, matching the definition of a Proxy Solicitation & Information Statement (PSI).
2026-04-13 Korean
주주총회소집공고
Proxy Solicitation & Information Statement Classification · 1% confidence The document is clearly a notice of convocation for an (extraordinary) shareholders’ meeting (“임시주주총회 소집공고”) with detailed agenda items (bylaw amendments, auditor reappointment, director remuneration cap, etc.), instructions on electronic voting/delegation, and accompanying management reference materials on business overview and operations. This is precisely the type of information package sent to shareholders to provide background and solicit votes for the meeting. Under our taxonomy, this aligns with a Proxy Solicitation & Information Statement (PSI).
2026-04-13 Korean

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