InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
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Explore the detailed record of transactions filed by Jefferies John. Officer active across 1 company, notably DAXOR CORP. Cumulatively, 2 filings have been logged. Breakdown: 2 buys · 0 sell. History available since 12 November 2025. The latest transaction was disclosed on 20 March 2026 (Acquisition). Regulator: SEC (Form 4). All data is free.
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