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TOSOH CORPORATION — Investor Relations & Filings

Ticker · 4042 ISIN · JP3595200001 LEI · 529900YSLFVJF2MDBX02 T Manufacturing
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Filings indexed 81 across all filing types
Latest filing 2024-06-21 Annual Report
Country JP Japan
Listing T 4042

About TOSOH CORPORATION

https://www.tosoh.co.jp/

Tosoh Corporation is a global chemical and specialty materials group. The company's core activities are organized into distinct business segments. The Chlor-Alkali segment is a major producer of caustic soda, vinyl chloride monomer (VCM), and polyvinyl chloride (PVC). The Petrochemical segment manufactures olefins and polymers, supplying essential raw materials for a wide range of industrial applications. The Specialty Group develops and markets advanced materials, including high-purity silica glass for semiconductor manufacturing, separation and purification media for the life sciences, and battery materials. The Engineering Group provides comprehensive plant construction and environmental services. Through its global network of companies, Tosoh delivers a diverse portfolio of products and solutions that support modern industries.

Recent filings

Filing Released Lang Actions
有価証券報告書－第125期(2023/04/01－2024/03/31)
Annual Report Classification · 100% confidence The document is a Japanese 'Yuka Shoken Hokokusho' (Securities Report), which is the Japanese equivalent of a 10-K annual report. It contains a formal header, fiscal year information (2023-04-01 to 2024-03-31), and extensive XBRL-like metadata tags indicating it is a comprehensive annual financial filing. FY 2024
2024-06-21 Japanese
確認書
Report Publication Announcement Classification · 100% confidence The document contains a header section indicating it is a '確認書' (Confirmation Document) submitted to the Kanto Local Finance Bureau Director based on Article 24-4-8, Paragraph 1 of the Financial Instruments and Exchange Act. The content explicitly states that the Representative Director and President confirmed the appropriateness of the contents of the '第125期第３四半期（自 2023年10月１日 至 2023年12月31日）の四半期報告書' (Quarterly Report for the 3rd Quarter of the 125th Period). This structure—a confirmation document related to a quarterly report—is characteristic of filings related to interim financial reporting, specifically confirming the accuracy of the underlying quarterly report. This aligns best with the 'Interim / Quarterly Report' category (IR), as the document's core purpose is tied directly to the quarterly financial filing review, even though it is the confirmation itself. Given the short length and specific focus on confirming a quarterly report, it is closely related to the IR filing type.
2024-02-13 Japanese
四半期報告書－第125期第3四半期(2023/10/01－2023/12/31)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Quarterly Report' (四半期報告書) filed by Tosoh Corporation in Japan. It contains comprehensive financial statements, including the balance sheet, for the third quarter of the 125th fiscal period (ending December 31, 2023). It is filed under the Financial Instruments and Exchange Act. As it provides substantive financial data and analysis for an interim period, it is classified as an Interim/Quarterly Report. 9M 2024
2024-02-13 Japanese
確認書
Regulatory Filings Classification · 100% confidence The document is a 'Confirmation Letter' (Kakunin-sho) filed under the Financial Instruments and Exchange Act in Japan. It serves as an officer certification by the CEO of Tosoh Corporation, confirming the accuracy of the contents of the company's quarterly report for the second quarter of the 125th fiscal period. According to the 'Certification Rule', documents that are primarily officer certifications or attestations, even if they reference a specific report type, should be classified as Regulatory Filings (RNS) rather than the report itself. Q2 125
2023-11-13 Japanese
四半期報告書－第125期第2四半期(2023/07/01－2023/09/30)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Quarterly Report' (四半期報告書) filed by Tosoh Corporation in Japan. It contains detailed financial statements, management analysis, and business performance data for the second quarter of the 125th fiscal period (ending September 30, 2023). It is a comprehensive financial report rather than an announcement or a summary, fitting the definition of an Interim/Quarterly Report (IR). H1 2024
2023-11-13 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, where the CEO of Tosoh Corporation certifies the accuracy of the quarterly report for the first quarter of the 125th fiscal period. According to the 'Certification Rule', documents that are primarily officer certifications or attestations, even if they reference a specific report type, should be classified as Regulatory Filings (RNS) rather than the report itself. Q1 125
2023-08-10 Japanese

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