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John D Duke Insider Profile

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John D Duke, CEO, Director at Harvard Bioscience, holds 180.00K shares in Harvard Bioscience (Ticker: HBIO).

John D Duke's Trading History

HBIO
Harvard Bioscience
Mar 23, 2026CEO, DirectorUninformative Buy―$1.60M
HBIO
Insider Shares: 180.00K (4.03%)
DateTransactionAmountNo. of SharesPrice per ShareProfitLink to Report
Mar 23, 2026Uninformative Buy$0.0075,000$0.00―
Mar 17, 2026Informative Buy$25.05K5,000$5.01―
Aug 11, 2025Uninformative Buy$0.001,000,000$0.00―

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John D Duke insider profile FAQ

What stocks does John D Duke hold?
John D Duke holds: HBIO stocks.
What is John D Duke's role in Harvard Bioscience?
John D Duke's role in Harvard Bioscience is CEO, Director.
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