🕵️ Harvard Bioscience Inc ($HBIO)
SEC insider & ownership activity, last 12 months · CIK 1123494 · every row links its SEC filing
Over the last 12 months insiders bought $202K with no open-market selling against it. Snider William bought $104K in discretionary trades (Mar). Weber Capital Management, LLC added 5.8% → 7.3%; Leviticus Partners LP trimmed 7.6% → 6.5%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
4 buyers, $202K (5 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Snider William | 2 | $104K | 0 | – | Mar 17, 2026 |
| Stephen J. Denelsky | 1 | $49K | 0 | – | Mar 17, 2026 |
| John D. Duke | 1 | $25K | 0 | – | Mar 16, 2026 |
| Mark T. Frost | 1 | $25K | 0 | – | Mar 16, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| William Snider | 16.0% | 13D | Dec 17, 2025 | filing ↗ | |
| Broadoak Capital Partners, LLC | 15.6% | 13D | Dec 17, 2025 | filing ↗ | |
| Broadoak Income Fund, L.P. | 15.3% | 13D | Dec 17, 2025 | filing ↗ | |
| AMH Equity LLC | 9.2% | 13G | Aug 7, 2025 | filing ↗ | |
| Weber Capital Management, LLC | 7.3% | 13G | May 8, 2025 | filing ↗ | |
| Leviticus Partners LP | 6.5% | 13G | May 14, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Jun 2, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 2, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Earnings (2.02) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 17, 2026 | filing ↗ |
| Earnings (2.02) | Mar 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 6, 2026 | filing ↗ |
| Shareholder vote (5.07) | Mar 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 6, 2026 | filing ↗ |
| Other events (8.01) | Mar 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 6, 2026 | filing ↗ |
| Earnings (2.02) | Feb 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 10, 2026 | filing ↗ |
| Exit or disposal costs (2.05) | Jan 23, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 23, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Jan 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 19, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |
| Material agreement (1.01) | Dec 17, 2025 | filing ↗ |
| Agreement terminated (1.02) | Dec 17, 2025 | filing ↗ |
| New financial obligation (2.03) | Dec 17, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 17, 2025 | filing ↗ |