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WONIK Materials Co.,Ltd. — Investor Relations & Filings

Ticker · 104830 ISIN · KR7104830005 KO Manufacturing
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Filings indexed 258 across all filing types
Latest filing 2026-05-14 Interim / Quarterly Rep…
Country KR South Korea
Listing KO 104830

About WONIK Materials Co.,Ltd.

https://www.wimco.co.kr/en/

WONIK Materials Co., Ltd. is a specialized manufacturer and supplier of high-purity specialty gases and advanced chemical materials. The company serves the global semiconductor and display manufacturing sectors, providing essential products for advanced fabrication processes. Its portfolio includes a comprehensive range of pure gases (such as NH3 and N2O), precisely formulated gas mixtures, and chemical precursors. These materials are critical for thin-film deposition processes like Atomic Layer Deposition (ALD) and Chemical Vapor Deposition (CVD), which are used to create insulating gaps, High-k and Low-k dielectric layers, and metal layers in integrated circuits and flat-panel displays.

Recent filings

Filing Released Lang Actions
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 94% confidence The document is titled “분기보고서” (Quarterly Report) for the period 2026-01-01 to 2026-03-31 and contains detailed company overview, legal disclosures, subsidiary data, capital changes, share information, amendments to the articles of incorporation, and business operations. It is extensive (over 150,000 characters) and presents substantive financial and operational data, not merely an announcement or link to a report. This matches the definition of an Interim / Quarterly Report. Q1 2026
2026-05-14 Korean
연결재무제표기준영업(잠정)실적(공정공시)
Regulatory Filings
2026-05-07 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 90% confidence The document is a detailed large shareholding report (주식등의 대량보유상황보고서) filed by the National Pension Service describing its significant share ownership percentages, changes in holdings, and related details under the capital markets law. This corresponds to a Major Shareholding Notification, not an announcement of a report or other corporate filing type.
2026-04-01 Korean
사외이사의선임ㆍ해임또는중도퇴임에관한신고
Board/Management Information Classification · 90% confidence The document is a Korean regulatory filing notifying the Financial Services Commission and Korea Exchange of the appointment and dismissal of outside directors ('사외이사의 선임ㆍ해임'). This is a notice of changes in the company’s board composition. Under the filing definitions, announcements of changes in the company’s board or senior management fall under Board/Management Information (Code: MANG).
2026-03-26 Korean
정기주주총회결과
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document text is a detailed disclosure of the resolutions passed at the company’s Annual General Meeting (정기주주총회 결과), including vote counts, approval status (“가결”), percentage of votes for each agenda item (e.g., 재무제표 승인, 배당 결의, 이사 선임 등). This matches the category for shareholder voting results announcements. Therefore, this is a Declaration of Voting Results filing.
2026-03-26 Korean
사업보고서 (2025.12)
Annual Report Classification · 100% confidence The document is a 'Business Report' (사업보고서) for the fiscal year 2025 (2025.01.01-2025.12.31) for WONIK Materials Co., Ltd. It contains comprehensive financial data, management discussion, business overview, and governance information, which is the standard format for an Annual Report (10-K equivalent in the Korean market). FY 2025
2026-03-18 Korean

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