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OBAYASHI CORPORATION — Investor Relations & Filings

Ticker · 1802 ISIN · JP3190000004 LEI · 529900YT4O5S0LCXWD54 T Construction
Open in API
Filings indexed 83 across all filing types
Latest filing 2026-03-11 Regulatory Filings
Country JP Japan
Listing T 1802

About OBAYASHI CORPORATION

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

Obayashi Corporation is a global construction and engineering firm providing a comprehensive suite of services. The company's core activities include building construction, civil engineering, and real estate development. Its project portfolio spans large-scale infrastructure, urban and regional development, and the construction of commercial, industrial, and residential facilities. Obayashi also focuses on providing advanced engineering solutions, developing new technologies, and promoting sustainability across its domestic and international operations. The firm manages the entire project lifecycle, from planning and design to construction and maintenance.

Recent filings

Filing Released Lang Actions
訂正発行登録書
Regulatory Filings Classification · 1% confidence The document is a '訂正発行登録書' (Amended Shelf Registration Statement) filed with the Kanto Local Finance Bureau by Obayashi Corporation. This document is a regulatory filing related to the company's capital structure and debt issuance registration. Since it does not fit into specific categories like M&A, dividends, or earnings, and is a formal regulatory submission, it falls under the 'Regulatory Filings' (RNS) category.
2026-03-11 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 · 1% confidence The document is a 'Report on the Status of Share Repurchase' (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. It details the company's (Obayashi Corporation) monthly share buyback activity, including specific dates, number of shares acquired, and total cost. This falls directly under the definition of 'Transaction in Own Shares' (POS).
2026-01-07 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 · 1% confidence The document is a 'Report on the Status of Acquisition 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. It details the specific daily share buyback transactions conducted by Obayashi Corporation during the month of November 2025. This document type is specifically categorized as 'Transaction in Own Shares' (POS) in the provided schema.
2025-12-10 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 · 1% confidence The document is a '自己株券買付状況報告書' (Report on Status of Purchase of Own Shares) filed under Article 24-6, Paragraph 1 of the Financial Instruments and Exchange Act of Japan. It details the specific daily transactions of share repurchases by Obayashi Corporation for the period of October 2025. This document type corresponds directly to the 'Transaction in Own Shares' (POS) category, as it reports the company buying back its own shares.
2025-11-10 Japanese
確認書
Regulatory Filings Classification · 1% 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 confirming the accuracy of the contents of a semi-annual report. According to the 'Certification Rule', documents that are primarily officer certifications or attestations, even if they reference a report (in this case, a semi-annual report), should be classified as Regulatory Filings (RNS) rather than the report itself. H1 122
2025-11-06 Japanese
半期報告書－第122期(2025/04/01－2026/03/31)
Interim / Quarterly Report Classification · 1% confidence The document is a '半期報告書' (Semi-Annual Report) filed by Obayashi Corporation in accordance with the Financial Instruments and Exchange Act of Japan. It contains comprehensive financial data, including balance sheets, income statements, and management analysis for the interim period ending September 30, 2025. As it is a formal, comprehensive financial report for a period shorter than a full fiscal year, it is classified as an Interim/Quarterly Report. H1 2026
2025-11-06 Japanese

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