Follow the 古河電池株式会社 stock price and the full management transaction log of the company, a listed equity based in Japan. Shares trade on the JP market, under the authority of EDINET (Japan FSA). The latest transaction was disclosed on 22 September 2025 (Holding update). Among the most active insiders: Nomura Securities Co.,Ltd.. All data is openly available.
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Insider Decl.
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Thresholds
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Buy Volume
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Sell Volume
12Σ signal
This score ranks the purchase within its own market. No market currently meets the historical allocation criteria, so signals remain watch-only. Not investment advice.
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Sigma AI Analysis
Fundamental view, insider signal, bull and bear case, synthesis.