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Idemitsu Kosan Co.,Ltd. — Investor Relations & Filings

Ticker · 5019 ISIN · JP3142500002 LEI · 549300P0R46FF6DUA630 T Manufacturing
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Filings indexed 119 across all filing types
Latest filing 2023-11-14 Report Publication Anno…
Country JP Japan
Listing T 5019

About Idemitsu Kosan Co.,Ltd.

https://www.idemitsu.com/en/index.html

Idemitsu Kosan is an integrated energy and materials company. Its core operations encompass the refining and marketing of petroleum products through an extensive service station network, alongside the production of basic chemicals derived from its refining processes. The company's resource division develops oil, natural gas, coal, and geothermal energy assets. In parallel, Idemitsu is advancing its functional materials business, developing high-performance products such as materials for next-generation batteries. The company also manages a diverse power generation portfolio, including solar, wind, biomass, and natural gas facilities, supplying electricity to wholesale and retail customers. A key strategic focus is the transition toward carbon neutrality through the development of sustainable aviation fuel (SAF), synthetic fuels, and other low-carbon solutions.

Recent filings

Filing Released Lang Actions
確認書
Report Publication Announcement Classification · 100% confidence The document text explicitly contains the title "第２四半期報告書" (Second Quarter Report) and references the period "第109期第２四半期（自2023年７月１日 至2023年９月30日）". It includes confirmation statements by the CEO and CFO regarding the appropriateness of the filing content based on financial instruments laws. This structure and content strongly indicate a comprehensive financial report covering a period shorter than a year, which aligns with the definition of an Interim / Quarterly Report (IR). Although it is a confirmation document related to the report, the core subject matter is the quarterly financial reporting itself, making IR the most appropriate classification over a general RPA or RNS, especially given the explicit mention of the quarterly period and financial content confirmation.
2023-11-14 Japanese
四半期報告書－第109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) for Idemitsu Kosan Co., Ltd., covering the second quarter of the 109th fiscal period (July 1, 2023, to September 30, 2023). It contains detailed financial statements, management analysis (MDA), and corporate information, which aligns with the definition of an Interim/Quarterly Report (IR). H1 2024
2023-11-14 Japanese
確認書
Report Publication Announcement Classification · 100% confidence The document is a 'Confirmation Letter' (Kakunin-sho) filed under the Financial Instruments and Exchange Act, specifically related to the accuracy of the First Quarter Report (Dai-ichi shihanki hokokusho). While it references the quarterly report, this specific document is a regulatory filing confirming the validity of the financial statements, which is a standard component of Japanese regulatory filings (RNS) for quarterly reporting periods.
2023-08-09 Japanese
四半期報告書－第109期第1四半期(2023/04/01－2023/06/30)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Quarterly Report' (四半期報告書) for Idemitsu Kosan Co., Ltd. covering the first quarter of the 109th fiscal year (April 1, 2023, to June 30, 2023). It contains detailed financial statements, including the consolidated balance sheet and income statement, and is filed in accordance with the Financial Instruments and Exchange Act of Japan. As it is a comprehensive financial report for a period shorter than a full fiscal year containing actual financial data, it is classified as an Interim/Quarterly Report. Q1 2023
2023-08-09 Japanese
確認書
Regulatory Filings Classification · 100% 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 regarding the accuracy of the company's Annual Securities Report (有価証券報告書). 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. FY 2022
2023-06-22 Japanese
内部統制報告書－第108期(2022/04/01－2023/03/31)
Governance Information Classification · 100% confidence The document is an 'Internal Control Report' (内部統制報告書) filed under the Financial Instruments and Exchange Act (金融商品取引法). This type of report is a mandatory regulatory filing in Japan that assesses the effectiveness of internal controls over financial reporting. It does not fit into categories like 10-K (Annual Report) or IR (Interim Report) as it is a specific compliance document. Since it is a formal regulatory filing required by law and does not fit into the other specific categories provided, it is classified as a Regulatory Filing (RNS).
2023-06-22 Japanese

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