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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 117 across all filing types
Latest filing 2026-03-23 Audit Report / Informat…
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
사업보고서 (2025.12)
Audit Report / Information Classification · 98% confidence The document is a detailed standalone auditor’s report (“감사보고서”) including the independent auditor’s opinion, basis for opinion, key audit matters, and full financial statements (balance sheet, income statement, cash flow, changes in equity) along with extensive notes and disclosures. It is not an annual report or management discussion but the formal audit report on the financial statements. Therefore, it is classified as an Audit Report / Information (AR). FY 2025
2026-03-23 Korean
감사보고서제출
Audit Report / Information Classification · 85% confidence The document is titled “감사보고서 제출” (submission of the audit report) and provides the auditor’s opinion, audit period, key financial statement figures, and related audit details (K-IFRS, audit opinions, financial summaries). It is not a full annual report or earnings release but a standalone audit report submission. This matches the “Audit Report / Information” category (AR). FY 2025
2026-03-23 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서) filed in South Korea. This type of filing is a mandatory disclosure by company insiders (directors/executives) regarding their personal share transactions, which corresponds to the 'Director's Dealing' category.
2026-03-19 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is a '주식등의 대량보유상황보고서' (Report on Large Shareholding), which is a standard regulatory filing in South Korea under the Capital Markets Act. It details changes in share ownership by major shareholders (Park Young-woo and special related parties) of Y-Biologics. This type of filing is specifically categorized as a 'Major Shareholding Notification' (MRQ) in the provided schema, as it tracks significant ownership thresholds and changes.
2026-03-19 Korean
의결권대리행사권유참고서류
Proxy Solicitation & Information Statement Classification · 100% confidence The document is titled '의결권대리행사권유참고서류' (Reference Document for Solicitation of Proxy), which is a standard regulatory filing in South Korea used by companies to request shareholder proxies for an upcoming General Meeting. It contains details about the meeting agenda, director/auditor candidates, and remuneration limits. This fits the definition of a Proxy Solicitation & Information Statement.
2026-03-17 Korean
주주총회소집결의
Proxy Solicitation & Information Statement Classification · 95% confidence The document is a formal notice of a General Meeting of Shareholders (주주총회소집결의) issued by Y-Biologics. It details the date, location, and specific agenda items for the upcoming Annual General Meeting, including the approval of financial statements, election of directors/auditors, and remuneration limits. This document serves as the official notification and proxy-related information for shareholders to prepare for the meeting. Under the provided definitions, this falls under Proxy Solicitation & Information Statement (PSI) as it provides the necessary information for shareholders to exercise their voting rights.
2026-03-16 Korean

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