Company news
Sumitomo Chemical Co., Ltd. (TSE:4005) news
Every Sumitomo Chemical Co., Ltd. press release and news update in one place — announcements, filings coverage, and company updates for investors.
Press releases & updates
Announcement Regarding Report on the Group
August 11, 2026
Announcement Regarding Report on the Group (Additional Explanation）
August 7, 2026
Sumitomo Chemical : Summary of Consolidated Financial Results for First Quarter Fiscal Year 2026
August 4, 2026
Notice Concerning Reduction of Capital Reserves and Transfer to Other Capital Surplus
August 3, 2026
Sumitomo Chemical : Submits Registration Applications for New Fungicide Bifemetstrobin
July 8, 2026
Sumitomo Chemical : Obtains Registration for New Herbicide RapidicilTM in the United StatesUnlocking Its Potential to Become a Blockbuster Product Contributing to Regenerative Agriculture
July 1, 2026
(Progress of Disclosure Matters) Notice Concerning the Effectiveness of the Agreements for the Integration of the Domestic Polyolefin Business
June 30, 2026
Sumitomo Chemical : Detailed financial statements for FY2025 (2.1 MB)
June 18, 2026
Sumitomo Chemical : "Investors' Meeting for FY2025 Financial Results, Management Priorities and Business Strategies" has been released.
May 15, 2026
Sumitomo Chemical : Notice Concerning Variances between the Non-consolidated Financial Results in a Consolidated Subsidiary (Taoka Chemical Co., Ltd.) for Fiscal Year 2025 and 2024
May 15, 2026
Sumitomo Chemical : Summary of Consolidated Financial Results for Fiscal Year 2025
May 14, 2026
Sumitomo Chemical : Notice Concerning Variances between the Non-consolidated Financial Results in a Consolidated Subsidiary (Sumitomo Pharma Co., Ltd.) for Fiscal Year 2025 and 2024
May 13, 2026
Sumitomo Chemical : Mitsui Chemicals, Idemitsu Kosan, and Sumitomo Chemical Receive Japan Fair Trade Commission Clearance for the Integration of Sumitomo Chemical's PP and LLDPE Businesses into Prime Polymer
April 24, 2026
Sumitomo Biorational Company Marks Official Launch with Inauguration Event
April 8, 2026
Sumitomo Chemical : Notice Regarding a Subsidiary Obtaining Manufacturing and Marketing Authorization for iPS Cell-Derived Product "AMCHEPRY®" for the Treatment of Parkinson's Disease
March 5, 2026
Sumitomo Chemical : Notice Regarding the Filing of a Shelf Registration for the Issuance of New Shares by a Subsidiary
March 2, 2026
Sumitomo Chemical : Announces Reorganization
March 2, 2026
Sumitomo Chemical : to Integrate French Subsidiaries to Further Strengthen Crop Protection Business in Europe
February 25, 2026
Lummus and Sumitomo Chemical Announce Commercial Availability of PMMA Chemical Recycling Technology
February 4, 2026
Sumitomo Chemical : (Progress of Disclosed Matters) Notice Regarding Determination of Share Exchange Ratio in Simplified Share Exchange between Sumitomo Chemical Co., Ltd. and Tanaka Chemical Corporation
January 16, 2026
Sumitomo Chemical : Summary of the New Year's Message from President Nobuaki Mito
January 4, 2026
Sumitomo Chemical : Mitsui Chemicals, Idemitsu Kosan, and Sumitomo Chemical Concluded a Definitive Agreement for the Business Integration of Sumitomo Chemical's PP and LLDPE Businesses into Prime Polymer
December 23, 2025
Sumitomo Chemical : Reaches Agreement to Acquire Taiwanese Semiconductor Process Chemicals Company Aims for Further Business Expansion through Acquiring New Bases in Taiwan and the US
November 19, 2025
Samsung Electro-Mechanics Signs MOU with Sumitomo Chemical Group to Establish a Joint Venture for 'Glass Core' Used in Package Substrates
November 5, 2025
Sumitomo Chemical : Announces Variances between its Financial Forecast and Actual Results for the Second Quarter (Interim Period) of the Full Year Ending March 31, 2026, and Revisions to its Financial Forecast for the Full Year Ending March 31, 2026
November 4, 2025
Valent BioSciences, MGK, and Valent North America Become Sumitomo Biorational Company, a Global Center of Excellence for Biorational Innovation
October 20, 2025