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  • Insider Ownership

Insider Trading & Ownership of John D. Duke

Location
Holliston, MA
Summary
The estimated net worth of John D. Duke is at least $460K dollars as of 11 Aug 2025. John D. Duke is the Chief Executive Officer, Director of HARVARD BIOSCIENCE INC and owns shares of HARVARD BIOSCIENCE INC (HBIO) stock worth about $460K.
Signature
/s/ John D Duke
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Ownership of John D. Duke

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
HBIO HARVARD BIOSCIENCE INC Chief Executive Officer, Director $460K 08 Aug 2025

Insider Transactions Reported by John D. Duke:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.