Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
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John D. Duke currently holds 180,000 shares of HARVARD BIOSCIENCE INC (HBIO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John D. Duke has been a net buyer of HBIO stock. They have purchased $25.1K and sold $0 worth of shares.
John D. Duke's most recent insider trade was on Mar 20, 2026, when they sold 75,000 shares at $0.00 per share.
John D. Duke serves as Executive at HARVARD BIOSCIENCE INC (HBIO). They have executed 2 insider transactions totaling $25.1K over their tenure at the company.
John D. Duke holds the position of Executive at HARVARD BIOSCIENCE INC, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 1 years and currently hold a stake valued at $0.
John D. Duke has shown a buying trading pattern, with $25.1K in total purchases and $0 in total sales across all transactions. Their most recent activity indicates a tendency to accumulate shares.
The largest transaction by John D. Duke was on Mar 16, 2026, when they purchased $25.1K worth of HBIO shares. This transaction involved 5,000 shares at $5.01 per share.
John D. Duke currently owns 180,000 shares of HARVARD BIOSCIENCE INC (HBIO), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of John D. Duke's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. John D. Duke has 2 Form 4 filings on record as an insider at HARVARD BIOSCIENCE INC.
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