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, 5 reports have been logged. Breakdown: 0 buy · 2 sells. Total volume traded: €314k. History available since 3 October 2023. The latest transaction was filed on 12 August 2025 (Cession). Regulator: SEC (Form 4). All data is free.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
5 of 5 declarations
Donald W. DeGolyer is a Director of Emergent BioSolutions Inc. (XNAS). He has 4 filings in total, and among the sampled recent filings between 2023-10-05 and 2025-05-02, the sell amount is EUR 255758 and the modal transaction nature is Attribution.