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Nihon Yamamura Glass Co., Ltd. is a listed company. Filings by its managers are published through EDINET (Japan FSA). 1 insider has disclosed 4 filings since 18 October 2025.
None of the filings is a plain purchase or sale on the open market; they cover grants, option exercises and other movements. Grants and option exercises follow pay plans set in advance, so they reveal less about an insider's own view than a purchase made with personal money.
Insider buying of Nihon Yamamura Glass Co., Ltd. has been absent for the past year. Typically, a trade is published a median of 7 days after it takes place. Until a filing is published, the market cannot know about the trade.
For context, the typical company on the same exchange (median of 3,423 companies) published 3 filings over the same period, against 4 filings here.
Source: insider filings from EDINET (Japan FSA). Past trades are no guide to future returns.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
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Nihon Yamamura Glass Co., Ltd. is a Japanese company specializing in glass manufacturing. It is listed on the Tokyo Stock Exchange.