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ZEON CORPORATION — Investor Relations & Filings

Ticker · 4205 ISIN · JP3725400000 LEI · 529900UEFURDYZ4F4U10 T Manufacturing
Open in API
Filings indexed 97 across all filing types
Latest filing 2026-05-20 Board/Management Inform…
Country JP Japan
Listing T 4205

About ZEON CORPORATION

https://www.zeon.co.jp/en/

Zeon Corporation is a chemical manufacturer specializing in products derived from C4 and C5 fractions. The company operates two primary segments: the Elastomer Business and the Specialty Material Business. The Elastomer Business produces a wide range of synthetic rubbers and latexes used extensively in automotive components like tires, belts, and hoses. The Specialty Material Business develops high-performance materials, including cyclo-olefin polymers (COP) for optical films and lenses, binders and other materials for rechargeable batteries, specialty solvents, and resins for various industrial applications. The company's portfolio also encompasses products for paints, construction materials, and reaction injection molding (RIM).

Recent filings

Filing Released Lang Actions
役員の異動に関するお知らせ
Board/Management Information Classification · 98% confidence The document is a press release by Nippon Zeon Co., Ltd. announcing changes in directors and executive officers (promotions and retirements), effective June 26, 2026. It clearly falls under announcements of board and management changes, matching the Board/Management Information category.
2026-05-20 Japanese
発行登録書（株券､社債券等）
Capital/Financing Update Classification · 85% confidence The document is the official issuance registration statement (発行登録書) filed with the Kanto Finance Bureau for new bond issuance by Zeon Corporation. It details the planned issuance amount, purposes of proceeds, reference filings, and statutory disclosures under the Financial Instruments and Exchange Act. This is not merely an announcement but the actual registration/prospectus for financing, fitting the definition of a capital/financing update.
2026-04-20 Japanese
訂正臨時報告書
Regulatory Filings Classification · 82% confidence The document is a Japanese “訂正臨時報告書” (corrected ad-hoc/timely report) filed under the Financial Instruments and Exchange Act to disclose a material event (sale of investment securities). This is a regulatory disclosure required by law, not an earnings release, proxy, or other specific category. It does not fit under the other defined filing types, so it falls into the general “Regulatory Filings” (RNS) category.
2026-03-31 Japanese
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 100% confidence The document is a 'Report on Status of Purchase of Treasury Shares' (自己株券買付状況報告書) filed under Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act of Japan. This document specifically details the company's share repurchase activities, including the number of shares acquired, the total cost, and the progress against the board's authorization. This falls directly under the category of 'Transaction in Own Shares' (POS).
2026-03-10 Japanese
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 100% confidence The document is a '自己株券買付状況報告書' (Report on Status of Repurchase of Own Shares) filed under Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act. This document specifically details the company's share buyback activities for the period of December 2025. According to the provided definitions, reports regarding a company buying back its own shares are classified as 'Transaction in Own Shares' (POS).
2026-01-19 Japanese
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 100% confidence The document is a 'Report on Status of Purchase of Own Shares' (自己株券買付状況報告書) filed under Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act of Japan. This document specifically details the company's share repurchase activities (buybacks) for the period of November 2025. According to the provided definitions, reports regarding a company buying back its own shares are classified as 'Transaction in Own Shares' (POS).
2025-12-08 Japanese

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