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Harvard Bioscience Insider Trades

NASDAQ: HBIOIndustrialsBiotechnology: Laboratory Analytical InstrumentsUSD

8.24+0.11 (+1.35%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
5 · $202.35K
Sales
0 · $0
Shares bought / sold
41.00K / 0
Net activity
Net buying $202,354

Harvard Bioscience insider activity

Over the last 12 months, Harvard Bioscience insiders reported 13 transactions on SEC Form 4: 5 open-market purchases and 0 sales. Insiders bought $202,354 and sold $0 worth of stock, for net insider buying of $202,354. The most recent filing shows Eade Katherine A. (Director) reporting a transaction in 16,556 shares on Jun 9, 2026.

Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put HBIO's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

HBIO insider transactions

Harvard Bioscience insider transactions
DateInsiderTypeSharesValueFiling
Jun 9, 2026Gagnon Robert E.DirectorAward16,556—Form 4
Jun 9, 2026Benson Seth BenjaminDirectorAward16,556—Form 4
Jun 9, 2026DENELSKY STEPHEN JDirectorAward16,556—Form 4
Jun 9, 2026Snider WilliamDirectorAward16,556—Form 4
Jun 9, 2026Eade Katherine A.DirectorAward16,556—Form 4
Mar 20, 2026Duke John DChief Executive OfficerAward75,000—Form 4
Mar 20, 2026Frost Mark TChief Financial OfficerAward30,000—Form 4
Mar 17, 2026Snider WilliamDirectorBuy8,475$41.10KForm 4
Mar 17, 2026DENELSKY STEPHEN JDirectorBuy10,000$48.70KForm 4
Mar 16, 2026Duke John DChief Executive OfficerBuy5,000$25.05KForm 4
Mar 16, 2026Snider WilliamDirectorBuy12,525$62.50KForm 4
Mar 16, 2026Frost Mark TChief Financial OfficerBuy5,000$25.00KForm 4
Dec 17, 2025Snider WilliamDirectorAward110,000—Form 4
Sep 5, 2025DENELSKY STEPHEN JDirectorAward110,000—Form 4
Aug 15, 2025Green James WDirectorDisposition113,366—Form 4
Aug 15, 2025Green James WDirectorDisposition66,036—Form 4
Aug 15, 2025Green James WDirectorTax withholding11,540$6.10KForm 4
Aug 15, 2025Green James WDirectorDisposition119,332—Form 4
Aug 15, 2025Green James WDirectorTax withholding33,200$17.56KForm 4
Aug 15, 2025Green James WDirectorDisposition49,048—Form 4
Aug 8, 2025Duke John DChief Executive OfficerAward500,000—Form 4
Aug 8, 2025Duke John DChief Executive OfficerAward500,000—Form 4
Jul 16, 2025Gagnon Robert E.DirectorAward110,000—Form 4
Jul 16, 2025Eade Katherine A.DirectorAward110,000—Form 4
Jul 16, 2025Benson Seth BenjaminDirectorAward110,000—Form 4
May 12, 2025Frost Mark TInterim CFOAward100,000—Form 4
Mar 19, 2025Green James WChief Executive OfficerTax withholding38,413$26.45KForm 4
Mar 19, 2025Cote JenniferChief Financial OfficerTax withholding5,687$3.92KForm 4
Dec 31, 2024Green James WChief Executive OfficerDisposition145,365—Form 4
Dec 29, 2024Cote JenniferChief Financial OfficerTax withholding3,797$7.52KForm 4
Dec 29, 2024Cote JenniferChief Financial OfficerTax withholding4,731$9.37KForm 4
Dec 29, 2024Green James WChief Executive OfficerTax withholding25,310$50.11KForm 4
Dec 29, 2024Green James WChief Executive OfficerTax withholding56,915$112.69KForm 4
Jun 13, 2024Green James WChief Executive OfficerBuy10,000$29.10KForm 4
Jun 6, 2024Green James WChief Executive OfficerBuy20,000$61.40KForm 4
May 21, 2024EDRICK ALAN IDirectorAward45,872—Form 4
May 21, 2024Eade Katherine A.DirectorAward45,872—Form 4
May 21, 2024LOY BERTRANDDirectorAward56,575—Form 4
May 21, 2024Loewald Thomas WDirectorAward45,872—Form 4
Mar 6, 2024Cote JenniferChief Financial OfficerTax withholding9,920$40.77KForm 4
Mar 5, 2024Cote JenniferChief Financial OfficerAward35,800—Form 4
Mar 5, 2024Cote JenniferChief Financial OfficerAward35,800—Form 4
Mar 5, 2024Green James WChief Executive OfficerAward214,797—Form 4
Mar 5, 2024Green James WChief Executive OfficerAward214,797—Form 4
Dec 31, 2023Green James WChief Executive OfficerTax withholding82,790$442.93KForm 4
Dec 29, 2023Green James WChief Executive OfficerTax withholding52,206$279.30KForm 4
Dec 29, 2023Green James WChief Executive OfficerTax withholding23,216$124.21KForm 4
Dec 29, 2023Green James WChief Executive OfficerTax withholding28,783$153.99KForm 4
Dec 29, 2023Green James WChief Executive OfficerTax withholding24,187$129.40KForm 4
Dec 29, 2023Cote JenniferChief Financial OfficerTax withholding2,631$14.08KForm 4
Dec 29, 2023Cote JenniferChief Financial OfficerTax withholding3,279$17.54KForm 4
Aug 17, 2023Green James WChief Executive OfficerBuy25,000$109.50KForm 4
Jun 11, 2023Green James WChief Executive OfficerTax withholding48,373$264.12KForm 4
May 22, 2023LOY BERTRANDDirectorAward31,516—Form 4
May 22, 2023Loewald Thomas WDirectorAward25,554—Form 4
May 22, 2023Eade Katherine A.DirectorAward25,554—Form 4
May 22, 2023EDRICK ALAN IDirectorAward25,554—Form 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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