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 de Oliveira Marques Roberto. Director active across 2 companies, notably Alcoa Corp. Aggregated, 5 filings have been published. Activity tracked since 26 July 2023. The latest transaction was disclosed on 8 May 2026 (Attribution). Regulator: SEC (Form 4). The full history is free.
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