Company profile
Harvard Bioscience Inc Insider Trading
HBIOEvery SEC Form 4 insider trading filing for Harvard Bioscience Inc (HBIO) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Laboratory Analytical Instruments
- CIK
- 0001123494
- Filings
- 40
- Insiders
- 12
- Last filing
- 2026-06-09
Activity summary
No insider transactions in the last 30 days. The most recent was on June 9, 2026, when Stephen J Denelsky reported 16,556 shares (Award). 40 filings from 12 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q3 23 to Q2 26. Harvard Bioscience Inc insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $1.2M.
No insider activity recorded for HBIO in the last 90 days.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 9, 2026 | Stephen J Denelsky | HBIO | Award | 16,556 | — | — |
| Jun 9, 2026 | Robert E. Gagnon | HBIO | Award | 16,556 | — | — |
| Jun 9, 2026 | Seth Benjamin Benson | HBIO | Award | 16,556 | — | — |
| Jun 9, 2026 | William Snider | HBIO | Award | 16,556 | — | — |
| Jun 9, 2026 | Katherine A. Eade | HBIO | Award | 16,556 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By open-market value traded.
Institutional Ownership
Top 13F-HR holders of Harvard Bioscience Inc as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →