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HARVARD BIOSCIENCE INC (HBIO) Stock Ownership and Short Interest

USA - NASDAQ:HBIO - US4169061052 - Common Stock

0.4196 USD
-0.02 (-5.05%)
Last: 10/10/2025, 9:32:46 PM
0.4183 USD
0 (-0.31%)
After Hours: 10/10/2025, 9:32:46 PM
HBIO Ownership Chart.HBIO Ownership Chart: showing Insider, Institutional ownership and shares available to the public.HBIO Ownership.InsiderInstitutionalPublic



Shares Outstanding44.53M
Float39.96M
Float Short Interest Percentage1.64%
Owners (insider)3.72%
Owners (institutional)58.21%
Owners (insider) change11.26%
Owners (institutional) change0%
HBIO Institutional Ownership HistoryHBIO Institutional Ownership HistoryHBIO Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 10M 20M 30M
HBIO Historical Insider Transactions ChartHBIO Historical Insider Buy and Sell Transactions ChartHBIO Historical Insider Transactions Nov 2024 Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 0 200K -200K 400K 600K
Date Name Type Shares Price Amount
Aug 15, 2025 Green James W Other Disposition 347782 0.00 $ 0.00
Aug 15, 2025 Green James W Option Excercise 44740 0.53 $ 23,667.46
Aug 8, 2025 Duke John D Grant 1000000 0.00 $ 0.00
Jul 16, 2025 Eade Katherine A. Grant 110000 0.00 $ 0.00
Jul 16, 2025 Gagnon Robert E. Grant 110000 0.00 $ 0.00
May 12, 2025 Frost Mark T Grant 100000 0.00 $ 0.00
Mar 19, 2025 Cote Jennifer Option Excercise 5687 0.69 $ 3,916.07
Mar 19, 2025 Green James W Option Excercise 38413 0.69 $ 26,451.19
Dec 31, 2024 Green James W Other Disposition 145365 0.00 $ 0.00
Dec 29, 2024 Green James W Option Excercise 82225 1.98 $ 162,805.50
Dec 29, 2024 Cote Jennifer Option Excercise 8528 1.98 $ 16,885.44