Timely Disclosure Information

FY 2023

• Notice of Change in Major Shareholder (2024/03/22)  (105.5 KB)
• Basic Policy for Formulating the New Medium-Term Management Plan (FY2024-FY2026) (2023/11/13)  (206.5 KB)
• Notice Regarding the Status of Acquisition of Own Shares，Completion of Acquisition and Cancellation of Own Shares (2023/10/31)  (299.1 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2023/10/02)  (278.4 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2023/09/01)  (278.5 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2023/08/01)  (278.4 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2023/07/03)  (137.2 KB)
• Matters Concerning Controlling Shareholders, etc. (2023/06/30)  (136.8 KB)
• Notice Regarding Results of Inspection into False Reporting of Unit Water Content and Slump Tests of Concrete, Measures for the Prevention of Recurrence and Reduction of Officers' Compensation (2023/06/29)  (103.4 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2023/06/01)  (137.4 KB)
• False Reporting of Unit Water Content and Slump Tests of Concrete in a Specified Construction Project by a Joint Venture involving the Company and Our Response (2023/05/22)  (91.9 KB)
• Notice Regarding Acquisition and Cancellation of Own Shares (2023/05/12)  (139.5 KB)
• Notice Regarding the Receipt of a Shareholder Proposal and Opinion of Board of Directors of the Company (2023/05/12)  (184.3 KB)

FY 2022

• Notice Regarding the Status of Acquisition of Own Shares，Completion of Acquisition and Cancellation of Own Shares (2023/03/13)  (153.5 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2023/03/01)  (137.9 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2023/02/01)  (137.9 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2023/01/04)  (137.3 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2022/12/01)  (138.0 KB)
• Notice Regarding Revision of Financial Results Forecasts (2022/11/10)  (141.5 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2022/11/01)  (134.1 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2022/10/03)  (133.8 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2022/09/01)  (133.6 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2022/08/01)  (137.5 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2022/07/01)  (137.2 KB)
• Matters Concerning Controlling Shareholders, etc. (2022/06/29)  (137.4 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2022/06/01)  (137.4 KB)
• Notice Regarding Acquisition and Cancellation of Own Shares (2022/05/13)  (139.2 KB)

FY 2021

• Notice Regarding Cancellation of Own Shares (2022/03/29)  (135.5 KB)
• Notice Regarding the Status and Completion of Acquisition of Own Shares (2022/03/25)  (141.4 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2022/03/01)  (138.2 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2022/02/01)  (138.2 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2022/01/05)  (134.0 KB)
• Notice Regarding Application for Selection of "Prime Market" in New Market Segments (2021/12/23)  (111.4 KB)
• Notice Regarding the Status of Acquisition of Own Shares (2021/12/01)  (140.0 KB)
• Notice of a Decision on Acquisition of Shares in the Stock Compensation Plan (2021/11/24)  (169.6 KB)
• Notice Regarding Acquisition of Own Shares (2021/11/24)  (140.3 KB)

FY 2017

• Announce of Medium-term Management Plan (FY2018-2020) (2018/03/29)  (3.2 MB)