Insider Filing Cluster

Count of distinct reporting insiders filing an ownership disclosure against one issuer within the live window, across disclosure regimes (SEC Forms 3/4/5, EU MAR Article 19). Clustering is the property the insider literature finds informative — Lakonishok & Lee (2001) RFS 14(1); Jeng, Metrick & Zeckhauser (2003) REStat 85(2) — but those findings are directional and direction is NOT carried as a typed field on this wire, so no directional claim is made or implied. Filings are deduplicated by document id, insiders by identity, and only the issuer is named. The counting rule and the bands are pronto's

• market

Computed in real time and available over the MCP tool get_fused_signal at /mcp, and enumerated in the fusion products guide. Available with free public access, within call and response limits. Readings depend on current source availability; source licences still apply.