Harvard Bioscience Inc (HBIO) insider trading
Every open-market stock purchase and sale by Harvard Bioscience Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders bought $202K over the last 12 months (4 buys).
- Last insider buy: Stephen J Denelsky (Director), $48.7K, 7 months ago.
Last 12 months: insiders bought $202K (4 buys) and sold $0 (0 sales). Last close $6.20 on Jun 4, 2026.
Recent HBIO insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 9, 2026 | Katherine A. Eade (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Seth Benjamin Benson (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Stephen J Denelsky (Director) | Bought (not open market) | — |
| Jun 9, 2026 | William Snider (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Robert E. Gagnon (Director) | Bought (not open market) | — |
| Mar 20, 2026 | John D Duke (CEO) | Bought (not open market) | — |
| Mar 20, 2026 | Mark T Frost (CFO) | Bought (not open market) | — |
| Mar 17, 2026 | Stephen J Denelsky (Director) | Bought | $48.7K |
| Mar 17, 2026 | William Snider (Director) | Bought | $41.1K |
| Mar 16, 2026 | William Snider (Director) | Bought | $62.5K |
| Mar 16, 2026 | John D Duke (CEO) | Bought | $25.1K |
| Mar 16, 2026 | Mark T Frost (CFO) | Bought | $25K |
| Dec 17, 2025 | William Snider (Director) | Bought (not open market) | — |
Who's trading HBIO
- Seth Benjamin Benson, Director: other filings, last Jun 9, 2026
- Stephen J Denelsky, Director: bought $48.7K (1 buy), last Jun 9, 2026
- Katherine A. Eade, Director: other filings, last Jun 9, 2026
- Robert E. Gagnon, Director: other filings, last Jun 9, 2026
- William Snider, Director: bought $104K (2 buys), last Jun 9, 2026
- Mark T Frost, CFO: bought $25K (1 buy), last Mar 20, 2026
- John D Duke, CEO: bought $25.1K (1 buy), last Mar 20, 2026
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