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Resonac Holdings Corporation — Investor Relations & Filings

Ticker · 4004 ISIN · JP3368000000 LEI · 5493006AIPA1V92YPP18 T Manufacturing
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Filings indexed 87 across all filing types
Latest filing 2026-04-22 Regulatory Filings
Country JP Japan
Listing T 4004

About Resonac Holdings Corporation

https://www.resonac.com/

Resonac Holdings Corporation is a chemical company established through the merger of Showa Denko and Showa Denko Materials (formerly Hitachi Chemical). The company manufactures and supplies a diverse range of advanced materials and chemical products. Its operations are centered on key segments, including semiconductor and electronic materials, where it provides high-purity gases, advanced packaging materials, and other critical components. In the mobility sector, Resonac offers automotive components, resin molded products, and friction materials. The portfolio also encompasses innovation-enabling materials and foundational chemicals, such as graphite electrodes. The company's strategy is rooted in a 'co-creation' model, working collaboratively with customers to solve complex technical and manufacturing challenges.

Recent filings

Filing Released Lang Actions
発行登録書（株券､社債券等）
Regulatory Filings Classification · 1% confidence The document is a Japanese “発行登録書” (issuance registration statement) filed with the Kanto Local Finance Bureau under the Financial Instruments and Exchange Act, detailing the terms and conditions for the planned issuance of corporate bonds. It is a formal statutory prospectus-style regulatory filing for securities issuance and does not fit into any specific category like earnings releases, annual reports, share issues (SHA is limited to equity) or capital updates (CAP is more general updates). Therefore, it falls under the fallback “Regulatory Filings” category (RNS).
2026-04-22 Japanese
訂正発行登録書
Capital/Financing Update Classification · 1% confidence The document is a Japanese “訂正発行登録書” (Corrected Issuance Registration Statement) submitted to the Kanto Finance Bureau for bond issuance (社債). It provides registration details such as issue amount limits, effective and expiration dates, and reasons for correction—clearly pertaining to a financing activity (bond registration). This aligns with updates on company fundraising and capital structure changes. Therefore, it is classified as a Capital/Financing Update (CAP).
2026-03-30 Japanese
確認書
Regulatory Filings Classification · 1% confidence The document is titled '確認書' (Confirmation Letter) and explicitly references '金融商品取引法第24条の４の２第１項' (Article 24-4-2, Paragraph 1 of the Financial Instruments and Exchange Act). It serves as an officer certification confirming the accuracy of the company's annual securities report. According to the 'CERTIFICATION RULE', documents that are primarily officer certifications or attestations should be classified as Regulatory Filings (RNS), even if they reference a specific report type. FY 117
2026-03-25 Japanese
有価証券報告書－第117期(2025/01/01－2025/12/31)
Annual Report Classification · 1% confidence The document is a Japanese 'Yuka Shoken Hokokusho' (Securities Report), which is the Japanese equivalent of a 10-K. It contains the official annual financial reporting for the fiscal year ending December 31, 2025, for Resonac Holdings Corporation. It includes detailed financial statements, business descriptions, and regulatory disclosures required under the Financial Instruments and Exchange Act of Japan. FY 2025
2026-03-25 Japanese
発行登録追補書類（株券､社債券等）
Capital/Financing Update Classification · 1% confidence The document is a '発行登録追補書類' (Shelf Registration Supplement) filed with the Kanto Local Finance Bureau by Resonac Holdings Corporation. It details the issuance of new corporate bonds (社債), including terms, interest rates, and the use of proceeds. This type of regulatory filing in Japan is used to supplement a previously filed shelf registration statement for securities offerings. Among the provided categories, 'CAP' (Capital/Financing Update) is the most accurate classification as it pertains to fundraising and financing activities.
2025-11-21 Japanese
確認書
Report Publication Announcement Classification · 1% confidence The document is a 'Confirmation Letter' (確認書) filed under the Financial Instruments and Exchange Act, specifically accompanying a Second Quarter Report (第２四半期報告書). It confirms the accuracy of the interim financial reporting for the period ending June 30, 2025. Since this is a formal regulatory filing required by the Japanese Financial Services Agency to accompany financial reports, and it does not fit into the specific categories of the reports themselves, it is classified as a Regulatory Filing.
2025-08-08 Japanese

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