InsidersTradesSigma
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Explore the detailed record of transactions filed by DeGolyer Donald W. Director active across 1 company, notably Emergent BioSolutions Inc.. Cumulatively, 4 reports have been logged. Breakdown: 0 buy · 1 sell. Total volume traded: €256k. History available since 3 October 2023. The latest transaction was filed on 30 April 2025 (Attribution). Regulator: SEC (Form 4). All data is free.
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