HARVARD BIOSCIENCE INC (HBIO)

Latest Insider Confidence Score

2025Q4

49.9
Bearish

Company insider confidence (by quarter)

2006Q4 2025Q4

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Graziano Chane 10% Owner 3,005,150 Nov 7, 2013
Hso Limited Partnership 10% Owner 2,757,257 May 20, 2008
Green James W Director 2,452,566 Aug 19, 2025
Duke John D 1,000,000 Aug 11, 2025
Skystone Advisors LLC 10% Owner 997,831 Apr 13, 2009

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 17, 2025 Dec 30, 2025 Snider William Director Neutral 90.0 +110,000 100.00% -
Dec 30, 2025 Snider William Director Neutral 52.5 - 0.00% -
Sep 5, 2025 Oct 7, 2025 DENELSKY STEPHEN J Director Neutral 90.0 +110,000 100.00% -
Oct 7, 2025 DENELSKY STEPHEN J Director Neutral 52.5 - 0.00% -
Aug 15, 2025 Aug 19, 2025 Green James W Director Sell 46.3 -392,522 -2.42% $23.7K
Aug 8, 2025 Aug 11, 2025 Duke John D CEO Neutral 90.0 +1,000,000 100.00% -
Jul 16, 2025 Jul 25, 2025 Benson Seth Benjamin Director Neutral 90.0 +110,000 100.00% -
Jul 25, 2025 Benson Seth Benjamin Director Neutral 52.5 - 0.00% -
Jul 16, 2025 Jul 18, 2025 Eade Katherine A. Director Neutral 90.0 +110,000 35.36% -
Jul 16, 2025 Jul 18, 2025 Gagnon Robert E. Director Neutral 90.0 +110,000 100.00% -
Jul 18, 2025 Gagnon Robert E. Director Neutral 52.5 - 0.00% -
Jun 9, 2025 Duke John D Director Neutral 52.5 - 0.00% -
May 12, 2025 May 14, 2025 Frost Mark T CFO Neutral 90.0 +100,000 400.00% -
May 14, 2025 Frost Mark T CFO Neutral 52.5 - 0.00% -
Mar 19, 2025 Mar 21, 2025 Cote Jennifer CFO Sell 47.5 -5,687 -3.45% $3.9K
Mar 19, 2025 Mar 21, 2025 Green James W CEO Sell 46.3 -38,413 -1.33% $26.5K
Dec 31, 2024 Jan 3, 2025 Green James W CEO Neutral 27.5 -145,365 -4.80% -
Dec 29, 2024 Dec 31, 2024 Green James W CEO Sell 42.5 -82,225 -2.64% $162.8K
Dec 29, 2024 Dec 31, 2024 Cote Jennifer CFO Sell 46.3 -8,528 -5.05% $16.9K
Jun 13, 2024 Jun 14, 2024 Green James W CEO Buy 61.3 +10,000 0.32% $29.1K
Jun 6, 2024 Jun 7, 2024 Green James W CEO Buy 72.5 +20,000 0.65% $61.4K
May 21, 2024 May 23, 2024 LOY BERTRAND Director Neutral 90.0 +56,575 11.32% -
May 21, 2024 May 23, 2024 Loewald Thomas W Director Neutral 90.0 +45,872 18.39% -
May 21, 2024 May 23, 2024 Eade Katherine A. Director Neutral 90.0 +45,872 17.29% -
May 21, 2024 May 23, 2024 EDRICK ALAN I Director Neutral 90.0 +45,872 20.12% -
Mar 5, 2024 Mar 7, 2024 Cote Jennifer CFO Sell 91.3 +61,680 57.61% $40.8K
Mar 5, 2024 Mar 7, 2024 Green James W CEO Neutral 90.0 +429,594 16.20% -
Dec 29, 2023 Jan 3, 2024 Green James W CEO Sell 37.5 -211,182 -7.38% $1.1M
Dec 29, 2023 Jan 3, 2024 Cote Jennifer CFO Sell 46.3 -5,910 -5.23% $31.6K
Aug 17, 2023 Aug 21, 2023 Green James W CEO Buy 72.5 +25,000 0.88% $109.5K
Jun 11, 2023 Jun 13, 2023 Green James W CEO Sell 40.0 -48,373 -1.68% $264.1K
May 22, 2023 May 23, 2023 EDRICK ALAN I Director Neutral 90.0 +25,554 12.62% -
May 22, 2023 May 23, 2023 Eade Katherine A. Director Neutral 90.0 +25,554 10.66% -
May 22, 2023 May 23, 2023 Loewald Thomas W Director Neutral 90.0 +25,554 11.41% -
May 22, 2023 May 23, 2023 LOY BERTRAND Director Neutral 85.0 +31,516 6.73% -
Mar 14, 2023 Mar 16, 2023 EDRICK ALAN I Director Buy 95.0 +30,000 17.39% $79.3K
Mar 14, 2023 Mar 15, 2023 Green James W CEO Buy 82.5 +40,000 1.41% $105.4K
Mar 6, 2023 Mar 8, 2023 Green James W CEO Neutral 90.0 +692,750 32.17% -
Mar 6, 2023 Mar 8, 2023 Cote Jennifer CFO Neutral 90.0 +82,634 272.41% -
Jan 3, 2023 Cote Jennifer CFO Neutral 52.5 - 0.00% -
Dec 29, 2022 Jan 3, 2023 Rossi Michael A. CFO Sell 46.3 -9,960 -3.68% $25.4K
Dec 29, 2022 Jan 3, 2023 Green James W CEO Sell 40.0 -125,509 -5.51% $330.9K
Nov 30, 2022 Dec 2, 2022 Green James W CEO Buy 82.5 +30,000 1.33% $75.3K
Sep 6, 2022 Sep 15, 2022 LOY BERTRAND Director Neutral 27.5 -108,715 -18.85% -
Aug 26, 2022 Aug 29, 2022 LOY BERTRAND Director Buy 78.8 +9,291 2.02% $31.7K
Aug 24, 2022 Aug 26, 2022 LOY BERTRAND Director Buy 90.0 +25,535 5.89% $83.4K
Aug 22, 2022 Aug 24, 2022 LOY BERTRAND Director Buy 83.8 +13,857 3.30% $44.4K
Aug 18, 2022 Aug 22, 2022 LOY BERTRAND Director Buy 83.8 +10,759 2.63% $35.2K
Aug 17, 2022 Aug 18, 2022 Green James W CEO Buy 82.5 +40,000 1.81% $127.6K
Jul 18, 2022 Jul 20, 2022 Rossi Michael A. CFO Sell 46.3 -7,008 -2.53% $25.4K
Jul 8, 2022 Jul 12, 2022 Green James W CEO Sell 40.0 -92,771 -4.03% $361.8K
Jun 15, 2022 Jun 17, 2022 Green James W CEO Buy 82.5 +30,000 1.32% $111.3K
Jun 11, 2022 Jun 14, 2022 Rossi Michael A. CFO Sell 46.3 -6,325 -2.23% $25K
Jun 11, 2022 Jun 14, 2022 Green James W CEO Sell 42.5 -48,373 -2.09% $191.1K
May 24, 2022 May 26, 2022 LOY BERTRAND Director Neutral 90.0 +47,493 13.15% -
May 24, 2022 May 26, 2022 Loewald Thomas W Director Neutral 90.0 +38,259 20.61% -
May 24, 2022 May 26, 2022 EDRICK ALAN I Director Neutral 90.0 +38,259 28.50% -
May 24, 2022 May 26, 2022 Eade Katherine A. Director Neutral 90.0 +38,259 18.99% -
May 6, 2022 May 10, 2022 Green James W CEO Buy 82.5 +40,000 1.75% $147.4K
Mar 1, 2022 Mar 3, 2022 Rossi Michael A. CFO Neutral 90.0 +59,737 26.66% -
Mar 1, 2022 Mar 3, 2022 Green James W CEO Neutral 90.0 +302,402 15.29% -
Dec 29, 2021 Jan 3, 2022 Rossi Michael A. CFO Sell 42.5 -6,926 -3.00% $50.4K
Jan 1, 2022 Jan 3, 2022 LOY BERTRAND Director Neutral 77.5 +4,489 1.26% -
Jan 1, 2022 Jan 3, 2022 Loewald Thomas W Director Neutral 77.5 +2,525 1.38% -
Jan 1, 2022 Jan 3, 2022 Green James W CEO Sell 40.0 -47,424 -2.34% $334.3K
Jan 1, 2022 Jan 3, 2022 Eade Katherine A. Director Neutral 77.5 +2,525 1.27% -
Jan 1, 2022 Jan 3, 2022 EDRICK ALAN I Director Neutral 77.5 +2,525 1.92% -
Dec 29, 2021 Dec 30, 2021 Olson Kenneth Fletcher COO Sell 46.3 -6,159 -3.81% $44.8K
Dec 29, 2021 Dec 30, 2021 Green James W CEO Sell 40.0 -52,970 -2.55% $385.1K
Dec 28, 2021 Dec 29, 2021 LOY BERTRAND Director Neutral 60.0 +1,401 0.39% -
Dec 28, 2021 Dec 29, 2021 Loewald Thomas W Director Neutral 67.5 +1,401 0.77% -
Dec 28, 2021 Dec 29, 2021 EDRICK ALAN I Director Neutral 77.5 +1,401 1.08% -
Dec 28, 2021 Dec 29, 2021 Eade Katherine A. Director Neutral 67.5 +1,401 0.71% -
Nov 12, 2021 Nov 15, 2021 Green James W CEO Neutral 37.5 -13,777 -0.66% -
Nov 1, 2021 Nov 3, 2021 Olson Kenneth Fletcher COO Sell 48.8 -1,539 -0.94% $11.3K
Aug 23, 2021 Aug 25, 2021 Green James W CEO Sell 20.0 -48,175 -2.25% $386.4K
Jul 18, 2021 Jul 20, 2021 Rossi Michael A. CFO Sell 42.5 -6,966 -2.93% $52.7K
Jul 8, 2021 Jul 12, 2021 Green James W CEO Sell 37.5 -200,575 -8.57% $1.6M
Jun 11, 2021 Jun 15, 2021 Rossi Michael A. CFO Sell 86.3 +15,374 6.91% $47.2K
Jun 11, 2021 Jun 15, 2021 Olson Kenneth Fletcher COO Sell 86.3 +11,898 7.86% $49.5K
Jun 11, 2021 Jun 15, 2021 Green James W CEO Sell 90.0 +60,697 2.66% $369.6K
May 25, 2021 May 27, 2021 Loewald Thomas W Director Neutral 85.0 +14,400 8.61% -
May 25, 2021 May 27, 2021 LOY BERTRAND Director Neutral 82.5 +14,400 4.22% -
May 25, 2021 May 27, 2021 Eade Katherine A. Director Neutral 85.0 +14,400 7.86% -
May 25, 2021 May 27, 2021 EDRICK ALAN I Director Neutral 90.0 +14,400 12.42% -
May 21, 2021 May 25, 2021 Green James W CEO Sell 22.5 -24,312 -1.06% $173.6K
May 19, 2021 May 21, 2021 Green James W CEO Sell 20.0 -54,064 -1.17% $385.6K
May 18, 2021 May 19, 2021 Green James W CEO Sell 20.0 -39,188 -1.69% $290.4K
Mar 23, 2021 Mar 26, 2021 KENNEDY JOHN F Director Neutral 27.5 -6,895 -2.09% -
Mar 17, 2021 Mar 19, 2021 KENNEDY JOHN F Director Neutral 27.5 -12,500 -3.65% -
Mar 12, 2021 Mar 16, 2021 Green James W CEO Sell 22.5 -35,000 -1.51% $209.3K
Mar 1, 2021 Mar 3, 2021 Green James W CEO Neutral 90.0 +381,372 19.73% -
Mar 1, 2021 Mar 3, 2021 Rossi Michael A. CFO Neutral 90.0 +75,338 51.15% -
Mar 1, 2021 Mar 3, 2021 Olson Kenneth Fletcher COO Neutral 90.0 +64,258 73.74% -
Jan 4, 2021 Jan 6, 2021 Steele Susan M. Director Neutral 90.0 +10,800 27.98% -
Jan 4, 2021 Jan 6, 2021 LOY BERTRAND Director Neutral 85.0 +21,300 6.66% -
Jan 4, 2021 Jan 6, 2021 Loewald Thomas W Director Neutral 90.0 +15,300 10.07% -
Jan 4, 2021 Jan 6, 2021 KENNEDY JOHN F Director Neutral 82.5 +13,200 4.01% -
Jan 4, 2021 Jan 6, 2021 EDRICK ALAN I Director Neutral 90.0 +16,300 16.37% -
Jan 4, 2021 Jan 6, 2021 Eade Katherine A. Director Neutral 85.0 +14,200 8.41% -