Kumagai Gumi is a leading Japanese construction company based in Tokyo. The firm specializes in building construction, civil engineering, and global infrastructure projects. Through innovative construction technology, Kumagai Gumi executes complex projects, tunnel engineering, and sustainable urban development.
Date confirmed from the Tokyo Stock Exchange (JPX) announcement schedule.
Pre-market — typically early morning before trading starts (around 7–8 a.m. CET).
Kumagai Gumi is scheduled to report its next quarterly earnings on 11/12/2026. Pre-market — typically early morning before trading starts (around 7–8 a.m. CET).
Kumagai Gumi last reported quarterly earnings on 8/7/2026 (Q2 2026). Earnings per share (EPS) came in at 8.43 JPY.
Across its last 3 earnings reports, Kumagai Gumi stock moved by ±1.4% on average the following day. The largest reaction was -2.9% on 08/07/2026; 1 of 3 reactions were positive.
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Basis: price reactions to the last 3 report dates (close to close).
Past price reactions are not a reliable indicator of future performance.