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Sekisui Kasei Co.,Ltd. — Investor Relations & Filings

Ticker · 4228 ISIN · JP3419800002 T Manufacturing
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Filings indexed 67 across all filing types
Latest filing 2026-05-25 Regulatory Filings
Country JP Japan
Listing T 4228

About Sekisui Kasei Co.,Ltd.

https://www.sekisuikasei.com/en/

Sekisui Kasei Co., Ltd. is a manufacturer specializing in foamed plastics and functional polymeric materials. Leveraging its core foam and polymerization technologies, the company develops and supplies a wide range of products across two primary business fields: the Industry Segment and the Human Life Segment. Its materials are utilized in diverse applications, including automobile components, industrial packaging, and electronic parts. The company focuses on providing advanced chemical solutions that support various industries and contribute to daily life, aiming to create new value through its advanced manufacturing capabilities.

Recent filings

Filing Released Lang Actions
（開示事項の経過）連結子会社（孫会社）の異動を伴う持分譲渡価格決定に関するお知らせ
Regulatory Filings Classification · 65% confidence The filing is a Japanese disclosure (FASF) announcing the determination of the transfer price for the sale of equity interests in consolidated (and sub‐) subsidiaries. It is neither a financial statement report (10-K, IR), management or governance presentation, nor an earnings release or dividend notice, nor a share issue or buyback. It is a regulatory announcement of a corporate transaction (disposal of subsidiary shares) that does not fit the specific M&A or share issue categories, so it falls into the general Regulatory Filings (RNS) category.
2026-05-25 Japanese
臨時報告書
Regulatory Filings Classification · 85% confidence The document is a Japanese “臨時報告書” (Timely Disclosure Report) filed under the Financial Instruments and Exchange Act to disclose a material event (recognition of deferred tax assets). It is not an annual or interim report, earnings release, management presentation, or any of the other specialized categories. It is a regulatory disclosure of a material event, falling into the general “Regulatory Filings” fallback category.
2026-04-27 Japanese
繰延税金資産（連結・個別）の計上、連結業績予想の修正及び配当予想修正に関するお知らせ
Regulatory Filings
2026-04-27 Japanese
（開示事項の変更）連結子会社における固定資産の引渡期日及び特別利益計上の時期変更に関するお知らせ
Regulatory Filings
2026-04-27 Japanese
確認書
Regulatory Filings Classification · 100% confidence The document is a 'Confirmation Letter' (確認書) filed under the Financial Instruments and Exchange Act, Article 24-5-2, Paragraph 1. It serves as an officer certification regarding the accuracy of the semi-annual 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 like a semi-annual report. H1 82
2025-11-14 Japanese
半期報告書－第82期(2025/04/01－2026/03/31)
Interim / Quarterly Report Classification · 100% confidence The document is a '半期報告書' (Semi-Annual Report) filed by Sekisui Kasei Co., Ltd. with the Kanto Local Finance Bureau. It contains detailed financial statements, management analysis (MDA), and operational data for the period from April 1, 2025, to September 30, 2025. This document is a comprehensive interim financial report required under the Financial Instruments and Exchange Act of Japan, fitting the definition of an Interim/Quarterly Report (IR). H1 2026
2025-11-14 Japanese

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