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

Ticker · 4228 ISIN · JP3419800002 T Manufacturing
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Filings indexed 69 across all filing types
Latest filing 2026-06-09 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
支配株主等に関する事項
Regulatory Filings Classification · 85% confidence The document is a standalone regulatory announcement titled “支配株主等に関する事項について” (Matters concerning controlling shareholders, etc.). It discloses the parent company’s shareholding ratio and the transactional relationship with that related party. It does not present financial statements, earnings, or management changes, but rather is a compliance disclosure of related-party information under Japanese securities regulations. This fits the fallback category “Regulatory Filings” (RNS).
2026-06-09 Japanese
Matters Concerning Controlling Shareholder, etc.
Regulatory Filings Classification · 90% confidence The document is a standalone Japanese regulatory disclosure titled “Matters Concerning Controlling Shareholder, etc.” with no substantive financial statements, no change of shareholding thresholds, no AGM materials or voting results, and no executive management or governance manual. It simply provides required related-party information about the parent/affiliate share ownership and corporate relationships. It therefore does not fit into any specific financial report category and falls under general regulatory announcements. Per the fallback rules, it should be classified as a Regulatory Filing (RNS).
2026-06-09 English
（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

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