HBIO
Harvard Bioscience, Inc.
NASDAQ · Healthcare · Medical - Instruments & Supplies · US
$8.02
+0.25%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+30.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jun 12, 2026 | Eade Katherine A. · director | A-Award | 16,556 | $0.00 |
| Jun 11, 2026 | DENELSKY STEPHEN J · director | A-Award | 16,556 | $0.00 |
| Jun 11, 2026 | Gagnon Robert E. · director | A-Award | 16,556 | $0.00 |
| Jun 11, 2026 | Snider William · director | A-Award | 16,556 | $0.00 |
| Jun 11, 2026 | Benson Seth Benjamin · director | A-Award | 16,556 | $0.00 |
| Mar 23, 2026 | Duke John D · director, officer: Chief Executive Officer | A-Award | 75,000 | $0.00 |
| Mar 18, 2026 | DENELSKY STEPHEN J · director | Purchase | 10,000 | $4.87 |
| Mar 17, 2026 | Duke John D · director, officer: Chief Executive Officer | Purchase | 5,000 | $5.01 |
| Dec 30, 2025 | Snider William · director | A-Award | 110,000 | $0.00 |
| Oct 7, 2025 | DENELSKY STEPHEN J · director | A-Award | 110,000 | $0.00 |
| Aug 19, 2025 | Green James W · director | F-InKind | 11,540 | $0.53 |
| Aug 19, 2025 | Green James W · director | F-InKind | 33,200 | $0.53 |
| Aug 11, 2025 | Duke John D · director, officer: Chief Executive Officer | A-Award | 500,000 | $0.00 |
| Jul 25, 2025 | Benson Seth Benjamin · director | A-Award | 110,000 | $0.00 |
| Jul 18, 2025 | Eade Katherine A. · director | A-Award | 110,000 | $0.00 |
| Jul 18, 2025 | Gagnon Robert E. · director | A-Award | 110,000 | $0.00 |
| May 14, 2025 | Frost Mark T · officer: Interim CFO | A-Award | 100,000 | $0.00 |
| Mar 21, 2025 | Cote Jennifer · officer: Chief Financial Officer | F-InKind | 5,687 | $0.69 |
| Mar 21, 2025 | Green James W · director, officer: Chief Executive Officer | F-InKind | 38,413 | $0.69 |
| Dec 31, 2024 | Cote Jennifer · officer: Chief Financial Officer | F-InKind | 3,797 | $1.98 |
| Dec 31, 2024 | Cote Jennifer · officer: Chief Financial Officer | F-InKind | 4,731 | $1.98 |
| Dec 31, 2024 | Green James W · director, officer: Chief Executive Officer | F-InKind | 25,310 | $1.98 |
| Dec 31, 2024 | Green James W · director, officer: Chief Executive Officer | F-InKind | 56,915 | $1.98 |
| Jun 14, 2024 | Green James W · director, officer: Chief Executive Officer | Purchase | 10,000 | $2.91 |
| Jun 7, 2024 | Green James W · director, officer: Chief Executive Officer | Purchase | 20,000 | $3.07 |
| May 23, 2024 | Eade Katherine A. · director | A-Award | 45,872 | $0.00 |
| May 23, 2024 | Loewald Thomas W · director | A-Award | 45,872 | $0.00 |
| May 23, 2024 | EDRICK ALAN I · director | A-Award | 45,872 | $0.00 |
| May 23, 2024 | LOY BERTRAND · director | A-Award | 56,575 | $0.00 |
| Mar 7, 2024 | Green James W · director, officer: Chief Executive Officer | A-Award | 214,797 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 4Increased 2Reduced 32Sold out 36
| Filer | Action | Shares | Filed |
|---|---|---|---|
| WEBER CAPITAL MANAGEMENT LLC /ADV | Reduced | 320,037 | Apr 23, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | 179,614 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 163,313 | May 15, 2026 |
| CORSAIR CAPITAL MANAGEMENT, L.P. | Reduced | 124,810 | May 15, 2026 |
| MEROS INVESTMENT MANAGEMENT, LP | Reduced | 118,522 | May 14, 2026 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | Reduced | 117,500 | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | Reduced | 114,117 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 101,427 | May 14, 2026 |
| BLACKROCK, INC. | Reduced | 62,226 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 59,511 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 49,751 | Mar 25, 2026 |
| MILLENNIUM MANAGEMENT LLC | Reduced | 46,332 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 27,730 | May 8, 2026 |
| WILLIAMS & NOVAK, LLC | Reduced | 27,052 | Apr 21, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | Reduced | 27,021 | May 11, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jun 12, 2026