Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-03-16 Purchase | 2026-03-17 5:56 pm | HARVARD BIOSCIENCE INC | HBIO | Duke John D Chief Executive Officer | 5,000 | $5.01 | $25,050 | 105,000 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-03-20 Option Award | 2026-03-23 09:48 am | N/A N/A | HARVARD BIOSCIENCE INC | HBIO | Duke John D Chief Executive Officer | 75,000 | $0 | 180,000 (Direct) | View |
| 2025-08-08 Option Award | 2025-08-11 9:09 pm | N/A N/A | HARVARD BIOSCIENCE INC | HBIO | Duke John D Chief Executive Officer | 500,000 | $0 | 1,000,000 (Direct) | View |