Duke John D
Reporting Owner SEC Filing List

CIK: 0002071593
FormFilerSubject CompanyFiling AgentDateActions
4Statement of changes in beneficial owner...Harvard Bioscience IncGlobenewswire Inc. /fa03/23/2026
4Statement of changes in beneficial owner...Duke John D03/23/2026
4Statement of changes in beneficial owner...Harvard Bioscience IncGlobenewswire Inc. /fa03/17/2026
4Statement of changes in beneficial owner...Harvard Bioscience IncGlobenewswire Inc. /fa03/17/2026
4Statement of changes in beneficial owner...Duke John D03/17/2026
4Statement of changes in beneficial owner...Harvard Bioscience IncToppan Merrill/fa08/11/2025
4Statement of changes in beneficial owner...Duke John DToppan Merrill/fa08/11/2025
3Initial statement of beneficial ownershi...Harvard Bioscience IncToppan Merrill/fa06/09/2025
3Initial statement of beneficial ownershi...Duke John DToppan Merrill/fa06/09/2025

Duke John D 's Ownership Transactions

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