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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 2026-02-26 Proxy Solicitation & In…
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
주주총회소집결의
Proxy Solicitation & Information Statement Classification · 95% confidence The document is a formal notice of a General Meeting of Shareholders (주주총회소집결의) for Wonik Materials. It outlines the date, location, agenda items (financial statement approval, dividend proposal, director appointments, and business purpose changes), and details regarding the board's resolution. This document serves as the official proxy solicitation and information statement provided to shareholders to inform them of the upcoming meeting and the matters to be voted upon.
2026-02-26 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 a major shareholder (Wonik Holdings) and related parties in Wonik Materials. This type of filing is specifically categorized as a 'Major Shareholding Notification' (MRQ) in the provided schema.
2026-02-25 Korean
결산실적공시예고
Report Publication Announcement Classification · 100% confidence The document is a short announcement titled '결산실적공시 예고' (Notice of Earnings Disclosure) which informs shareholders of the upcoming date (2026-02-26) for the release of the 2025 annual financial results. It does not contain the actual financial statements, but rather serves as a notification of when the report will be published. Following the 'Menu vs Meal' rule, this is classified as a Report Publication Announcement (RPA).
2026-02-19 Korean
지급수단별ㆍ지급기간별지급금액및분쟁조정기구에관한사항
Regulatory Filings Classification · 95% confidence The document is a specific regulatory disclosure regarding payment methods, payment periods, and dispute resolution mechanisms under the Fair Transactions in Subcontracting Act (Article 13-3). It is a mandatory periodic disclosure filed by Wonik Materials. Since it does not fit into the primary financial reporting categories (like 10-K or IR) and is a specific regulatory requirement disclosure, it falls under the general regulatory filings category.
2026-02-13 Korean
[기재정정]최대주주변경을수반하는주식담보제공계약체결
Share Issue/Capital Change Classification · 95% confidence The document is a regulatory filing from the Korean Exchange (KRX) system, specifically a 'Correction Report' (정정신고) regarding a 'Pledge of Shares by the Largest Shareholder' (최대주주 변경을 수반하는 주식 담보제공 계약 체결). This type of disclosure is a standard regulatory requirement for listed companies in Korea to report changes in collateralized shares held by major shareholders. Since it does not fit into specific categories like M&A, Earnings, or Dividends, and is a formal regulatory disclosure, it falls under the 'Regulatory Filings' (RNS) category.
2026-02-13 Korean
주식등의대량보유상황보고서(약식)
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 (often referred to as a 5% rule filing). It details changes in share ownership by FIL Limited and its special related parties in Wonik Materials. This falls under the 'Major Shareholding Notification' category as it tracks significant changes in ownership levels.
2026-02-12 Korean

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