InsidersTradesSigma
Track the 株式会社 群馬銀行 share price and the full insider trade history of the company, a listed issuer based in Japan. Shares trade on JP JP, under the oversight of EDINET (Japan FSA). Market capitalisation: €894bn. The latest transaction was filed on 6 February 2026 (Holding update). Among the most active insiders: Capital Research and Management Company. The full history is free.
Informational score on this market. Our backtest validates the signal only on 8 EU venues; elsewhere (notably US markets) insider buys historically invert or do not hold. Not a recommendation.
Transparent value + quality ranking, distinct from the insider signal.
Fundamental view, insider signal, bull and bear case, synthesis.
AI-generated analysis. Opinion, not investment advice. Not backtested. Built from public filings and financials. No price target, no buy or sell recommendation.
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Gumma Bank is a Japanese financial institution that provides various banking and financial services. It is listed on the Tokyo Stock Exchange under the symbol XTKS.