Company news
Obayashi Corporation (TSE:1802) news
Every Obayashi Corporation press release and news update in one place — announcements, filings coverage, and company updates for investors.
Press releases & updates
Notice Concerning the Contribution of Trust to the Board Incentive Plan (BIP) Trust and the Stock-Granting ESOP Trust
August 6, 2026
Obayashi : Non-consolidated Financial Statements (Year Ended March 31, 2026) with Independent Auditor's Report
July 31, 2026
Obayashi : Consolidated Financial Statements (Year Ended March 31, 2026) with Independent Auditor's Report
July 31, 2026
Notice Concerning the Passing and Resignation of an Audit & Supervisory Board Member
July 27, 2026
Obayashi : Establishes Its First Overseas Supply Chain for CleanCrete™ in Indonesia and Completes Pilot Application
July 14, 2026
Obayashi : Memorandum of Understanding between Obayashi and JTC—the Singapore Government's Industrial Development Agency—for Collaboration on Construction Robotics
July 13, 2026
Notice Concerning the Acquisition of Shares of “Multiplex,” a Company Operating Building Construction Business in Australia, the UK and Canada
June 17, 2026
FY2025 : Presentation on Financial Results With Notes (April 1, 2025 to March 31, 2026)
May 14, 2026
FY2025 : Financial Results (April 1, 2025 to March 31, 2026)
May 12, 2026
FY2025 : Supplementary Data on Financial Results (April 1, 2025 to March 31, 2026)
May 12, 2026
FY2025 : Presentation on Financial Results (April 1, 2025 to March 31, 2026)
May 12, 2026
Obayashi : Financial Data Book (FY ended March 31, 2022 - FY ended March 31, 2026)
May 12, 2026
Obayashi : Enters Toll Road Concession Business in Jakarta, Indonesia
May 12, 2026
Obayashi : Financial Data Book (FY ended March 31, 2022 – FY ended March 31, 2026)
May 12, 2026
Obayashi : Impact on our Business, Action Plans, and KPIs (221.2 KB)
May 11, 2026
Glydways Raises Oversubscribed $170M Series C as First Autonomous Vehicle Networks Enter Public Operation in 2026
April 14, 2026
Obayashi : ESG Briefing and Site Tour for Institutional Investors and Securities Analysts Held
April 3, 2026
Obayashi : Singapore Business Briefing for Institutional Investors and Analysts
April 2, 2026
Obayashi : Regarding Summary Orders Issued to the Company and Its Employees for Violations of the Industrial Safety and Health Act
March 27, 2026
Obayashi Corporation - Geothermal Power Plant 'TOPP2' Commences Operations in New Zealand
March 26, 2026
Obayashi : Geothermal Power Plant "TOPP2" Commences Operations in New Zealand
March 25, 2026
Obayashi Corporation - Establishment of the Japan-New Zealand Hydrogen Corridor
March 6, 2026
Obayashi : Establishment of the Japan-New Zealand Hydrogen Corridor
March 5, 2026
Obayashi : Japan's First On-Site PoC Test of a Hydrogen Fuel Cell-Powered Hydraulic Excavator at a Construction Site
February 16, 2026
FY2025 3rd Quarter : Presentation on Financial Results With Notes (April 1, 2025 to December 31, 2025)
February 9, 2026
FY2025 3rd Quarter : Supplementary Data on Financial Results (April 1, 2025 to December 31, 2025)
February 8, 2026
FY2025 3rd Quarter : Presentation on Financial Results (April 1, 2025 to December 31, 2025)
February 8, 2026
FY2025 3rd Quarter : Financial Results (April 1, 2025 to December 31, 2025)
February 8, 2026
Granite Joint Venture Awarded $158 Million Guam Defense System Project
July 17, 2025
SkyDrive Secures ¥8.3 Billion in Pre-Series D Funding from Suzuki, JR East, JR Kyushu, and Others
July 4, 2025