InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Browse the complete record of transactions filed by Calderon Ruben. Insider active across 1 company, notably JFB Construction Holdings. In total, 2 disclosures have been recorded. Breakdown: 1 buy · 0 sell. Total volume traded: €25k. Activity tracked since 30 June 2025. The latest transaction was filed on 10 December 2025 (Acquisition). Regulator: SEC (Form 4). The full history is free.
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