Every trade that managers of Porters Corporation disclose to EDINET (Japan FSA) is tracked on this page. In the past year (18 October 2025 to 18 October 2026), 3 filings came from 1 insider.
None of the filings is a plain purchase or sale on the open market; they cover grants, option exercises and other movements. Compensation-driven entries like these are tracked, but they say little about how insiders judge the share price.
Compared with its exchange (3,419 companies, median 3 filings), a count of 3 filings is typical.
There has been no open-market purchase by an insider of Porters Corporation for at least a year. Filings reach the EDINET (Japan FSA) feed a median of 7 days after the trade. Until a filing is published, the market cannot know about the trade.
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.
Transparent value + quality ranking, distinct from the insider signal.
FY ended December 2025 · cache
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Porters is a company listed on the XTKS market, specializing in financial services.